Development of Low Cost Microcontroller Based Spirometer

Development of Low Cost Microcontroller Based Spirometer Spirometer is an instrument which is used to measure the volume and capacity of lung. It collects the air expired by the patient to measure the lung volume or capacity. The spirometer has a device attached to it which will measure the movement of gas in and out of chest and this device is called as Spirograph. And in some spirometers spirographs are replaced by printer called Spirogram. In most of the computerized system the spirographs or the spirogram will display the predicted value next to the observed value. Using spirometer various tests are carried out to determine whether the patient is having any respiratory disorder or not.Some of the tests carried out are- Tidal Volume (TV)-The amount of air that is breathed in and out by an individual during normal respiration. Forced Vital Capacity (FVC)-The amount of air that is maximally forced out of the lung after maximum inspiration. Forced Expiratory Volume In 1sec (FEV1)- The amount of air that can be maximally forced out of the lung in the first second of forced expiratory manuever. 1.2 OBJECTIVE OF THE PROJECT To design a low cost microcontroller based spirometer and carry out the various lung functioning tests. To develop a program for the microcontroller to measure the lung volume and display the result digitally on a LCD interfaced with it. CHAPTER 2: LITERATURE SURVEY AUTHORS:  Agarwal.V ,Ramachandran N.C.S,2008,[1] TECHNIQUES USED:  The patient exhales through the mouthpiece where the gas exchange is being acquired as the voltage signal by the transducer(sensor). This signal from the sensor is amplified by an instrumentation amplifier(INA 114). Then the amplified signal is filtered using a low-pass-filter which is then given to a ADC(ADS7812) for digitisation. After digitisation it is given to the microcontroller(Intel) from which the data is displayed on the LCD screen. For further interface for communication on internet ETHERNET device is used. RESULTS:  The output voltage from the amplifier is digitised using ADC which corresponds to the pressure difference across mouthpiece is computed by the microcontroller and displayed on the LCD screen. LIMITATIONS/FUTURE VISION:  In future the system is expected to be inexpensive  medical care for thousands of patient. AUTHORS:  Nagaraja K.A,Nanda.S, 2007,[2] TECHNIQUES USED:  The patient exhales the air through the mouthpiece which consists of a flow sensor, differential pressure sensor, instrumentation amplifier,low pass filter and ADC. The flow sensor relates the velocity and the pressure of air blown if there is no air flow through the sensor the velocity is converted to pressure and this pressure difference is sensed by the difference flow sensor which inturn provide the electrical quantity of the air flow. Inorder to remove noise and amplify the signal an instrumentation amplifier is used. Which is then fed to the band pass filter of the range 0.05Hz to 1.3Hz,where the spirometer lies in the range of 0.1Hz to 12Hz. The filtered signal is digitised using ADC and this data is read by a microcontroller which is then interfaced to a computer. RESULTS:  Various tests are performed and FVC,FEV1 and their ratio are calculated and monitored.Depending on these values we determine whether its normal (or) restrictive (or) obstructive. LIMITATIONS/FUTURE VISION:  Not portable AUTHORS:  Dr.David Van Sickle et.al ,2009,[3] TECHNIQUES USED:  Initially the patient is allowed to expire through the spirometer. The spirometer consists of a pressure sensor(HW 24) which gives a DC voltage as output. This DC voltage is propotional to the pressure drop between the leads which is recorded by the spirometer. This analog data is then converted to digital using ZMD 31014 iLite chip. Microcontroller(PIC18f13k50) is used to convert the digital data to USB. Using mathematical algorithm implemented in the computer it calculates the volume and displays on the screen. RESULTS:  Graphical display of flow vs volume is evaluated and monitored from which the following values can be calculated :PEF,FVC, FEV(t) and FEV1/FVC ratio. LIMITATIONS/FUTURE VISION:  Highly expensive. AUTHORS:  Ovlyaguli et.al,2001[4] TECHNIQUES USED:  The test is performed using wedge bellow type spirometer the FVC and FEV1 data collected are investigated where the test is performed on different patient and are grouped accordingly. Then a mathematical modeling process is carried out based on fuzzy values obtained from the flow graphs. These values for the subject with COPD is compared with healthy subject belonging to same age,sex and height. Then normalized for fuzzy labels Very low,low,Normal,High,Very Highwhich is the generated on rule base and simulated. RESULTS:  Provide the interrelationship between characteristic constants obtained from the curves and degree of disease and FEV1 values are measured. LIMITATIONS/FUTURE VISION:  In future it eliminates the error factors and helps in accurate diagnosis. CHAPTER 3 RESPIRATORY DISORDER: SYMPTOMS CAUSES 3.1 RESPIRATORY DISORDER Respiratory disorder  deals with the  diseases  of the  respiratory system which include diseases of the  lung,  pleural cavity and bronchial  tube. Respiratory diseases range from mild to life-threatening such as  bacterial pneumonia  or  pulmonary embolism which may lead to illness and death. The study of respiratory disease is known as  pulmonology. A doctor who specializes in respiratory disease is known as a pulmonologist. Some of the common respiratory diseases are: Inflammatory lung disease. Obstructive lung disease. Restrictive lung disease. Pleural cavity diseases. 3.2 OBSTRUCTIVE LUNG DISEASE Obstructive lung diseases  are diseases of the lung in which the  bronchial  tubes become narrowed. COPD Two examples for obstructive lung disease are: Chronic Obstructive Pulmonary Disease (COPD) is a disease in which the airways become damaged and hence making them narrow. Asthma causes obstruction to the airflow out of the lungs.And the obstruction is reversible.   3.2.1 SYMPTOMS Persistent cough. Sputum  or mucus production. Wheezing. Chest tightness. Tiredness. 3.2.2 CAUSES Smoking. Occupational exposures. Air pollution. Genetics. Autoimmune disease. 3.3 RESITRICTIVE LUNG DISEASE Restrictive lung disease  is also known as  restrictive ventilatory which restricts the lung expansion and there by decreases the lung volume and increases work  of breathing. SYMPTOMS Shortness of breath, cough 3.3.2 CAUSES Asbestos is caused by long-term exposure to asbestos dust. Radiation fibrosis(radiation used for cancer treatment). Rheumatoid arthritis. 3.4 DIAGNOSIS OF ABNORMALITY OF RESPIRATORY SYSTEM USING FEV1/FVC RATIO In restrictive lung disease, both  FEV1  and  FVC  are reduced so the  FEV1/FVC ratio  is normal. In obstructive lung disease  FEV1  is reduced while the  FVC  is normal thus the  FEV/FVC ratio is lower CHAPTER 4: PRINCIPLE OF WORKING The spirometer consists of a turbine flow sensor containing LED(source) on one side and a photo-diode(detector) on the opposite side.Inbetween the LED and the detector there is a rotor.The rotor is a fan like structure with 3 fins.The above arrangement is present inside a cylindrical case which is opened on both the sides.The LED and the photo-diode are molded with a light weight plastic design inside the case.A mouth piece is fitted on one side and the opposite side is kept open.When the patient blows air inside the mouth piece a pressure difference is created due to the atmospheric air(atmospheric pressure) that enters from the opposite side.A power supply circuit is designed to provide power supply to the spirometer.When the patient exhales through the mouth piece the rotor rotates.Whenever the rotor is in-between the source and the detector the light from the source is not detected by the detector and when the rotor is not in-between them then the light from the source is detecte d by the detector.Each pulse will be detected only if 7ml of gas has been exhaled by the patient.These pulses are then given to the comparator which will give binary output only if the patient is exhaling.And when the patient is not exhaling there is no output from the comparator.This ouput is then given to a microcontroller which is programmed in such a way that it will count the number of pulses from the comparator and these pulses are converted into total number of rotations by dividing them(no of pulses) by 3(since the rotor has 3 fins).These rotations are then used to measure the lung volume.The lung volume is then displayed on a LCD which is interfaced with the microcontroller as digital output. CHAPTER 5:  SYSTEM DESCRIPTION 5.1 ELECTRONIC CIRCUIT 5.1.1 POWER SUPPLY CIRCUIT A 12V and a 5V power supply circuit was implemented. 5.1.1.1 IC 7812 IC 7805 The two ICs are used to provide 12V and 5V supply respectively. 12V from IC7812 is given to the turbine flow sensor. 5V from IC7805 is given to LM324 Microcontroller. 5.1.1.2 STEP-DOWN TRANSFORMER Transformer being used is a 230V-step down transformer. It converts AC to AC without any change in frequency. BRIDGE RECTIFIER The diode used is IN4007 which acts as bridge rectifier and converts the given AC current to DC. 5.1.2 SENSOR The sensor used here is FT-330 Turbine flow sensor.The input to the sensor is the air blown by the patient. 5.1.2.1 FEATURES Can withstand temperature upto 80 degree celcius. Molded with electronics and a light weight plastic design. 5.1.2.2 ADVANTAGES Highly accurate. Very compact. Reliable. 5.1.2.3 POTENTIAL DIVIDER AND ZENER DIODE The output of the turbine flow sensor is given to the potential divider. The potential divider will reduce 12V from the turbine flow sensor and allows a reduced voltage to zener diode. The zener diode is used to fix a threshold i.e it allows only voltage within 5V to the comparator. 5.1.2.4 COMPARATOR LM324 acts as a comparator which gives a voltage within 5V(square wave) when the patient exhales through the sensor. And when the patient does not exhale, the comparator output gets reduced to 0V.The output of the comparator is given to the microcontroller. 5.1.2.4.1 FEATURES Internally frequency compensated for unity gain. Large DC voltage gain of 100 dB. Wide bandwidth (unity gain) 1 MHZ. Wide power supply range: Single supply 3V to 32Vor dual supplies  ±1.5V to  ±16V. 5.1.2.4.2 ADVANTAGES Eliminates need for dual supplies. Four internally compensated op amps in a single package. Power drain suitable for battery operation. 5.1.3 MICROCONTROLLER The microcontroller used here is 16F877A. The microcontroller receives input from LM324. The microcontroller is programmed in such a way that it will count the number of pulses from the comparator and these pulses are converted into total number of rotations by dividing them(no of pulses) by 3(since the rotor has 3 fins).These rotations are then used to measure the lung volume(TV,FVC,FEV1). 5.1.3.1 FEATURES RAM=368 bytes EEPROM=256bytes PROGRAM MEMORY=8Kilo bytes I/O PINS=33 5.1.3.2 ADVANTAGES This IC can be reprogrammed and erased up to 10,000 times. It is very cheap. It can also be very easily assembled. Additional components needed to make this IC work is a 5V power supply , 20MHz crystal oscillator and two 22pF capacitors. 5.1.3.3 LCD DISPLAY The output(TV,FVC,FEV1)from the microcontroller is displayed on the LCD according to the program. 5.2 MECHNICAL DESIGN( MATERIALS USED): 5.2.1.TURBINE FLOW SENSOR 5.2.1.1 MODEL FT-330 Turbine flow sensor 5.2.1.2 ADVANTAGE Highly accurate, compact and reliable. 5.2.1.3 FEATURES Can withstand temperature upto 80 degree celcius. Molded with electronics and a light weight plastic design. 5.2.2. MOUTH PIECE Made up of plastic with a diameter of 2cm. CHAPTER 6:  CIRCUIT DESCRIPTION 6.1 OVERVIEW OF CIRCUIT WORKING Initially the patient is allowed to blow through the sensor and the output voltage from the sensor is given as input to the potential divider circuit which limits the current to zener diode and which inturn reduces 12V supply from the potential divider o/p and allows only 5V to be given to the inverting terminal of LM324(comparator). Reference voltage is given to pin 3 which gets the feedback from LM324 output. Hence when the patient doesnt blow, a high voltage is received by pin 2(inverting terminal) which is compared with the reference voltage and in this case the i/p voltage >reference voltage and hence we get a low voltage(0V) at the output and no pulse is seen and when the patient blows, i/p voltage CHAPTER 7:  EXPERIMENTAL STUDY 7.1 ALGORITHM Initialize the count to 0. When the patient exhales, the number of pulses from LM324 will be counted i.e.; the count gets incremented. This count is converted into rotations since the rotor has 3 fins, if we get 3 pulse, it is considered as 1 rotation. So by dividing the count by 3 we will get the total number of rotations. The LM324 will give 1 pulse only if 7 ml of gas is exhaled . So the total number of rotations is multiplied by 7 to obtain the lung volume. Initially the flag will be 0.When the patient exhales TV will be displayed. When the reset is done the flag will be 1.Now when the patient exhales FVC will be displayed. When the reset is done again the flag will be 2.Now when the patient exhales FEV1 will be displayed .Again when the reset is done and the patient exhales then TV will be displayed. 7.2 INFERENCE Thus the tests results obtained from the designed spirometer matches with the tests results obtained from the laboratory spirometer. Minor differences in the value is due to effect of surrounding environment and moving air. CHAPTER 8:  CONCLUSION The objective of the project was to design a low cost spirometer for the rural health care centers,private clinicians and primary function laboratories.In order to substantiate the objective of our work, we compared the market price of currently available spirometer(MIR SpiroDoc Spirometer),the starting price of which is around $1974.50. Thus the tests results of four subjects obtained from the designed spirometer was compared with the tests results obtained from HELIOS Pulmonary Function test.The values had some minor differences due to effect of surrounding environment and moving air.But they were of acceptable accuracy.Future work involves interfacing the device with PC and implementation of the product in Telemedicine application for distance monitoring of respiratory parameter. APPENDIX 1 1.1 PIN CONFIGURATION OF LM324(COMPARATOR) Fig 1.1 Ref:www.voltage current.info 1.2 PIN CONFIGURATION OF PIC16F877A Fig 1.2 Ref:http://www.best-microcontroller-projects.com/schematic.drawing-program.html 1.3 OVERVIEW OF PIC 16F877A Fig 1.3 Ref:http://www.best-microcontroller-projects.com/schematic.drawing-program.html

Themes of Honor and Shame in Invisible Man Essay -- Ralph Ellison

EXECUTE SHAME GENTLY Invisible Man is a novel by Ralph Ellison, addressing many social and moral issues regarding African-American identity, including the inside of the interaction between the white and the black. His novel was written in a time, that black people were treated like degraded livings by the white in the Southern America and his main character is chosen from that region. In this figurative novel he meets many people during his trip to the North, where the black is allowed more freedom. As a character, he is not complex, he is even naà ¯ve. Yet, Ellison’s narration is successful enough to show that he improves as he makes radical decisions about his life at the end of the book. The nameless narrator is a young black person, who attends his college regularly. He follows certain directions to lead a normal life. Yet, his life has to diverge from what it is as he makes a huge mistake, which can not be forgiven by the Headmaster, Dr. Bledsoe. Mr. Norton, one of the trustees, is chauffeured by the narrator and in the trip they take together, the narrator shows him the places, where the real life that blacks have is obvious. Raged at this, Dr. Bledsoe’s reaction towards the naà ¯ve narrator is harsh and he is sent away from the college. The events have key points to them in terms of how the characters choose to behave under certain conditions. These conditions are mostly related to honor and shame, pride and humiliation, ambition to take over and passivity. Dr. Bledsoe is a black person and the Headmaster of the College. For the analysis of his character and his role, the understanding of the college should be complete and clear. It is an education institute, founded by white people in the name of educating the ... ...s this is not done, the actual shameful people are the white who tolerate it. They should feel shameless, helpless, defeated and flawed as they lower themselves for their benefit. Dr. Bledsoe’s ideas and thoughts and actions should be re-examined now that the white society is analyzed. He is not a man of honor in any case, in any definition but knowing what to do should be tolerated by the readers and he should not be accused of being a hypocrite just because of the sympathy we have for the narrator. The abstraction of â€Å"honor† and â€Å"shame† may often lead to different perspectives. Ralph Ellison’s novel helps us to discuss the themes of honor and shame by providing disputable subjects, emplaced in the complex issue of racism. Now is the time to turn into ourselves and look for the true and honorable self. Please execute the shameless part of you gently†¦

The BMW M5 has the capacity

The BMW M5 has the capacity of a sedan and it excels like a sports car in terms of performance.The car has spacious seats and effective temperature control system to ensure a comfortable ride. Independent suspension for all the four wheels improves overall handling of the car. The M5 does not slack behind in the entertainment department either and offers a host of features including a high-end music system and high-definition radio. The car is very stable under almost any road condition including slippery ice roads, sandy surfaces and rain-slicked roads using its dynamic stability control system.The car also has an on-board GPS navigation system and recognizes voice commands from the driver. BMW lays great emphasis on safety; its cars are very sturdily built with state-of-the-art safety features such as head protection system, automatic-locking retractors for seatbelts, and side airbags to provide additional protection.The M5 also has an Impact sensor to automatically turn off the ig nition and fuel supply, and switches on the emergency lights in the event of an accident. In terms of after-sales service, BMW guarantees free maintenance for either four years or fifty thousand miles. This service is inclusive of standard servicing as well as free replacement of items that wear off. BMW has also recently introduced a tele-service called BMW Safety Plan which enables the car to directly contact the service center when it needs service.BMW is a German automobile manufacturer which has a rich tradition of building reliable cars and has earned worldwide recognition among general consumers as well as motorcar enthusiasts. The BMW M5 is a brand family. It falls under the ‘Motor vehicles and car bodies’ industry category and its corresponding SIC code is 3711 (Business & Company Resource Center).DaimlerChrysler, Ford, Volkswagen, General Motors, Ducati, Fiat, Harley-Davidson, Honda, Kawasaki Heavy Industries and Mazda are some of the competitors of BMW in thi s category. Following are some of the factors that make BMW a compelling choice for any car buyer,

Battle of Hobkirks Hill in the American Revolution

Independent 3d Animation Production - Free Essay Example

Sample details Pages: 11 Words: 3251 Downloads: 4 Date added: 2017/06/26 Category Statistics Essay Did you like this example? 2.1 Definition of Animation 2.1.1 A Technical Definition of Animation Various definitions of animation exist that cover technical, physiological, through to philosophical aspects. In a technical sense, Myers (1999, [Online]) describes animation, the form that we have become familiar with, as a series of drawings that are linked together and photographed. The drawings have been slightly changed between individualized frames so when they are played back in rapid succession there appears to be seamless movement within the drawings'(Myers 1999, [Online]). Jonsson (1978, p. 2) also describes animation in a technical sense: Don’t waste time! Our writers will create an original "Independent 3d Animation Production" essay for you Create order A strip of movie film consists of still pictures called frames each one slightly different from the one preceding it. When the film is projected and run continuously these still pictures give an illusion of movement (Jonsson 1978, p. 2). Morrison (1994, p. 5) simply defines, animation as the illusion of movement: This illusion of movement can be achieved by quickly displaying a series of images that show slight incremental changes in one of the depicted objects. If you play back these images fast enough, the eye will perceive movement (Morrison 1994, p. 5). It is safe for one to conclude that animation and motion picture in general, when viewed by a human is an illusion, the rapid succession of ordered singular frames tricking the viewers eye into perceiving there is an apparent seamless movement. This technical definition of animation is closely linked to the history and evolution of motion picture, also to human physiology and how the eye and the brain perceive movement. ÂÂ   2.1.2 The Beginnings of the Motion Picture Animation cannot be achieved without first understanding a fundamental principle of the human eye: the persistence of vision'(James 2002, [Online]). Animation literature shows that the appreciation of this principle is not only linked with the history of animation and motion picture but much earlier, beginning long ago in our past. Since the beginnings of time, human beings have tried to capture a sense of motion in their art'(James 2002, [Online]). Williams (2001) points out several examples; a 35,000 year old pre-historic cave painting of a boar in Northern Spain displaying four pairs of legs to show motion'(Williams 2001, p. 11). Egyptian temple paintings of figures that progressively changed position'(Williams 2001, p. 12). Ancient Greek decorated pots with figures in successive stages of action. Spinning the pot would create a sense of motion'(Williams 2001, p. 12). Other examples are cave and wall paintings, medieval tapestries, scrolls, and paintings which all tell continuous storiesand some of which attempt to illustrate repetitive motions'(James 2002, [Online]). Theories that were born in the ancient world by classical scholars were to prove very important in the genesis of animation, as The Private Lessons Channel (2002, [Online]) points out. It identifies historical figures such as the Greek Aristotle (384-322 BC), who observed light and motion after effects, dating back to 340 BC (The Private Lessons Channel 2002, [Online]). The Private Lessons Channel (2002, [Online]) then points out that later, in 130 AD, Greek astronomer and geographer Ptolemy (100-178 AD) discovered the aforementioned persistence of vision. In elaborating a point made by Thomas (1964, p. 8), one can see how these ancient scholars came to such discoveries; Imagine a torch lighted with fire, being whisked around in a circular motion in the darkness, the eye seeing a continuous unbroken circle of light. This type of phenomenon must have been known to the ancients'(Thomas 1964, p. 8). ÂÂ   2.1.3 A Physiological Definition of Animation The Persistence of Vision While there is evidence of a fascination with the visual documentation of movement and narrative in prehistoric and classical periods, it was not until these notions were later revisited by 19th century inventors, that modern animation principles emerged. One of these inventors was the Frenchman Peter Mark Roget, also the author of the famous Rogets Thesaurus, who in the 1820s rediscovered the vital principle, the persistence of vision'(Williams 2001, p. 13). Williams (2001, p. 13) explains the persistence of vision on the following way: This principle rests on the fact that that our eyes temporarily retain the image of anything theyve just seen. If this wasnt so, we would never get the illusion of an unbroken connection in a series of images, and neither movies nor animation would be possible. Many people dont realise the movies dont actually move, and that they are still images that appear to move when they are projected in a series (Williams 2001, p. 13). Jonsson (1978, p. 2) gives a more physiologically oriented explanation: What makes this possible is a quality of our brain called persistence of vision that is; although the frame we are viewing at any given moment is in fact still, the image burns itself onto our retina, so that it remains with us for a small fraction of time while we view the next one and if the difference seems to be a reasonable follow-on, an illusion is created (Jonsson 1978, p. 2). Concluding that technical and physiological aspects work hand-in-hand in motion picture, Jonsson (1978, p. 2) explains that for the eye to record an apparent continuous seamless movement, a certain frequency of frames per second needs to be displayed. Morrison (1994, p. 5) states that human visual acuity is low enough that only 12-15 different pictures (or frames) need to be displayed per second to produce the illusion of movement. The Private Lessons Channel (2002, [Online]) states that the number of frames per second, or fps, directly correlates to how smooth the movement appears. If the frame rate is too slow, the motion will look awkward and jerky. If the frame rate is too high the motion will blur'(The Private Lessons Channel 2002, [Online]). For the eye to record a normal, continuous movement that is not too fast, and not too slow there needs to be a frequency of around 24 to 30 fps displayed by a projector. Jonsson (1978, p. 2), states that this is the sole principle by which both live-action and animated films work. 24 fps is used in cinema, 25 fps is used for PAL television (Europe and Australia), and 30 fps is used for NTSC television (America and Japan). In relation to the illusion of movement and persistence of vision, both Wells (1998 p. 10) and Furniss (1998 p. 5) portrays the view of well-known Scottish-born animation identity Norman McClaren: Animation is not the art of drawings that move, but rather the art of movements that are drawn. What happens between each frame is more important than what happens on each frame; Animation is therefore the art of manipulating the invisible interstices that lie between the frames (McClaren qtd. in Furniss 1998 p. 5). James (2002, [Online]) states that Roget demonstrated the persistence of vision principle in his invention, the thaumatrope. James (2002, [Online]) and Williams (2001, p. 13), describe it as a disc held between two pieces of string, which was attached to both of the disc edges. Each flat side of the disc had different images; one a bird, the other an empty birdcage. Twirling of the disc with the pulling of the string results in the bird appearing to be in the cage. This proved that the eye retains images when it is exposed to a series of pictures, one at a time'(James 2002, [Online]). The Private Lessons Channel (2002, [Online]) notes that two other inventors are credited with this invention, the Frenchman Dr. John Ayrton, and Englishman Dr. Fitton, depending on the source. ÂÂ   2.1.4 The Early Evolution of the Motion Picture Crucial to the evolution of Animation and indeed Motion Picture were other related inventions. James (2002, [Online]) describes other optical devices of a similar nature to the thaumatrope, such as the phenakistoscopeinvented in 1826 by Joseph Plateau, and the zoetropeinvented in 1860 by Pierre Desvignes. Williams (2001, p. 14) mentions another similar invention, the praxinoscope, invented by the Frenchman Emile Reynaud in 1877. Clark (1979, p. 8) states that these contraptions relied for their effect on either an endless paper band or a cardboard disc bearing series of pictures drawn in progressive stages of an action. Viewed intermittently through slots or reflected in mirrors the drawings came to life and appeared to move'(Clark 1979, p. 8). Another invention included the flipbook, or kineograph pad, first appearing in 1868. Another important invention relevant to Motion Picture was photography. The first photographs were taken in the late 1820s by a Frenchman, NicÃÆ'Â ©phore NiÃÆ'Â ©pce'(Thomas 1964, p. 6). In the 1870s Sir Charles Wheatstones moving picture stereoviewerwas created to view a series of actual photographs in ordered succession (Thomas 1964, p. 16). Thomas (1964, p. 18) points out that the first to capture and record a sequence of images, was the English/American Eadweard J. Muybridge, where he famously captured a horse and carriage trotting. He then played the captured images back in a viewing device, known as the zoopraxiscope. Another important revolution in the evolution of the Motion Picture was that of nitrate celluloid film invented by H.W. Goodwin in 1887. Nitrate celluloid film was a chemical combination of gun cotton and gum camphor'(McLaughlin 2001, [Online]). Thomas (1964, p. 29) acknowledges the birth of Cinema to the famous American inventor Thomas A. Edison, and the Scot William Kennedy Laurie Dickson. In 1892 Edison and Dickson succeeded in building a camera capable of taking moving pictures at a rate of forty-six per second on Eastman celluloid film'(Thomas 1964, p. 29). Edisons and Dicksons viewing device, influenced by Austrian Ottomar AnschÃÆ'Â ¼tz, was named the kinetoscope. Thomas (1964, p. 29) describes it as a viewing cabinet by means of which only one person could view a film at a time. As the images were not projected, the viewer had to use a small eyepiece to look into the cabinet in order to see the moving images. Instigated and influenced by the work Edison and Dickson, other inventors set about evolving the kinetoscoperesulting in viewing devices with the ability to project images. The most well-known of these inventors were the LumiÃÆ'Â ¨re brothers, who in 1895 designed a camera and projector which they call the cinÃÆ'Â ©matographe'(Thomas 1964, p. 30). The LumiÃÆ'Â ¨re brothers became the first to give a public exhibition of moving pictures'(Thomas 1964, p. 30), which they held on the 28th of December 1895, at the Grand CafÃÆ'Â © in Paris. It is interesting to note that Estonian animator Priit PÃÆ'Â ¤rn in his surrealist-inspired short film 1895, pays tribute to the LumiÃÆ'Â ¨re brothers, and invention of the cinÃÆ'Â ©matographe. Thomas (1964, p. 31), concludes that the interest shown by the public in these first cinema shows gave rise to a rapid growth in a new industry. In time, with the advent and advancement of various technologies and techniques, the first true animated films were born. ÂÂ   2.1.5 A Philosophical Definition and Discussion of Animation Animation is the art of bringing something to life. How its brought to life can be done any number of different ways, simply states Ludwin (1998, [Online]). Bringing something to life is indeed a very important theme in animation. To better understand the definition of animation, it is useful to find out the original term from which the word animation derives. Wells (1998, p. 10) notes that animation derives from the latin word animare, which means to give life to, and that the animated film largely means the artificial creation of the illusion of movement in inanimate lines and forms. The famous Zagreb School of Croatia relates the definition of to animate back to this original meaning. They suggest, that to animate is to give life and soul to a design, not through the copying but through the transformation of reality'(Wells 1998, p. 10). When youre animating and moving an object, youre instilling life in something'(Lubin 2003). This leads us onto animators philosophies, ideologies and animation aesthetics. There are many differences in philosophy among animators and opinion of what the essence of animation actually is. One interesting example illustrating the philosophical differences of opinion is with respect to the extent of which animation should reflect real-life. For instance, the copying of real-life movements using motion capture techniques, are not favoured by all animators. Stefan Marjoram of the Aardman studio notes that motion capture is alright in sports games, but it doesnt necessarily make you a good animator. Animations not about copying real life, after all a lot of people use motion capture for that. For me animation is about exaggerating real life'(Ricketts 2002, p. 51). Lubin (2003) agrees: Thats absolutely right. I mean if youre doing a game and you want to get Tiger Woodsswing, fine. But Motion Capture which is only about animating humanoid animation, why bother? Just get real actors (Lubin 2003). When asked the question on what the public perception of Animation is, Tom Lubin in an interview on 1 April 2003 stated that it depends on who you askand it depends on the show. Some animation would be dismissed as stuff for something to baby-sitlittle kids with, whilst other animation has a broader market encompassing all age groups. I think the public has a very broad view of it depending on their interests'(Lubin 2003). Lubin (2003) also pointed out that animation has been successful for a really long time, and he stated that it was telling that the Academy Awards now, in the last few years, actually gives an Oscar for the best feature in animation. This has to do with the publics perception of animation as a viable stand alone'(Lubin 2003). Animation at its most creative, is a truly beautiful artform'(White 1988, p. 9). The term art and its related words feature heavily in many animation definitions and philosophies originating from the birth of modern animation. Winsor McCay the first American animator of the early 1900s, who many have dubbed the father of the animated cartoon, once stated: Animation should be an artwhat you fellows have done with it is making it into a tradenot an art, but a tradebad luck (Crandol 1999, [Online]). Crandol (1999, [Online]) points out that McCays warning and prediction inevitably became true. Indeed a studio production system with a streamlined, assembly-line processwas formed out of the necessity to satisfy time, expense and demand factors (Crandol 1999, [Online]). Wells (1998) also mentions several times that the domination and the proliferation of mass-produced cel animation'(p. 35), such as that produced in America and Japan, has led to animation being understood in a limited wayby society (p. 24). Wells (1998, p. 35) elaborates stating that: The amount of cheaply produced, highly industrialised cel animation made in the USA and Japan had colonised television schedules, and perhaps, more importantly, the imaginations of viewers (Wells 1998, p. 35). Crandol (1999, [Online]) also points out that the collective nature of the studio may prevent the artists from receiving the amount of praise an artist working solo garners. Wells (1998, p. 7) makes the point that this type of animation has somewhat diminished animation in the eyes of society as a legitimate artform: Animation has been trivialised and ignored despite its radical tendencies and self-evident artistic achievements at the technical and aesthetic level. Ironically, the dominance of the cartoon(i.e. traditional celanimation in the style of Disney or Warner Brothers, which is predicated on painting forms and figures directly onto sheets of celluloid which are then photographed) has unfortunately misrepresented and the animated film because it art seems invisible or, more precisely, is taken for granted by its viewers. The cartoon seems part of an easily dismissed popular culture; animation, as a term, at least carries with it an aspiration for recognition as an art and, indeed the popular evaluation of other animated forms (Wells 1998, p. 7). Although there appears to be a domination of the of American and Japanese style of animation and its entertainment premise as suggested, affecting the common perception of animation, large difference in styles and approaches have occurred and do exist. In an interview with an animation Domain Expert on 1 May 2003, he made the point that European animation, due to the many various nations and peoples, have contributed a large number of diverse artistic visual styles, contrasting to the American or Japanese styles. He also stated that many animated works are not always of the purely entertainment premise. One example he stated was in the communist period of Eastern Europe where animation was state controlled, focusing on allegorical social comment, the animators slipping in their own secret messages in the films past the censors. Even with the domination of industrialised mass-produced animation, and the influences it has on the audience, Crandol (1999, [Online]) remarks that there have been many animators careful not to let business logistics overwhelm the artistic potential of the medium. Crandol (1999, [Online]) concludes that as long as are creative people working, animation will continue to be the best of both worlds: a trade and an art. Tom Lubin, Head of Training at FTI (Film Television Institute), in an interview on 1 April 2003, in response to the question of animation being an art responded I think it is. Well you need art skills to do it. But actually that not as important to me as storytelling. What animation is, is storytelling. Storytelling and its importance to Animation will be specifically discussed and investigated in Chapter 3: The Principles of Storytelling. To give life towas a major inspirational theme in the animation process I went through, so to was the art of animation, as I have personally and purposefully embraced it when conducting the creative animation process. This will be touched upon in part 2 of the dissertation; The Self-Reflective Case Study. ÂÂ   2.2 The Animation Process The Angus Robertson Dictionary and Thesaurus (1992, p. 788) defines the word process as a series of actions which produce a change or development, and a method of doing or producing something. From these meanings the animation process can be described as what I am researching and undertaking in my Honours project; the pattern of methods an animator undertakes from start to finish in the creation of an animated work, or animation. Animation and the animation process, like many other disciplines, have undergone a paradigm shift due to technological advancements. Indeed technology has been the catalyst for many paradigm shifts as Utz (1993, p. 16) points out. Due to the ever-increasing accessibility and affordability of various technologies, an animators methods, actions and options have changed when implementing the animation process. See Appendix 2: Paradigm Shift in the Animation Process, for a more detailed discussion of this subject. Referring to these changes in the animation process, animator George Griffin believes the role of the animator in an artistic sense has changed very little: Despite the enormous upheavals in technology, the independent animators artistic role remains essentially the same: to draw time, to construct a model of ideas and emotions, using any means available (Griffin qtd. in Laybourne 1998, p. xi). ÂÂ   2.3 Types of Animation For a description of the various types of animation such as traditional 2D animation, stop-motion animation and computer generated 3D animation, please refer to Appendix 2: Paradigm Shift in the Animation Process. ÂÂ   2.4 Conclusion Through investigating the various definitions of animation it can be seen that they cover and include many different aspects. The technical definition of animation is closely linked to the history and evolution of motion picture, and this is turn is linked to the understanding of human physiology and how the eye and the brain perceive movement. The different philosophical definitions and viewpoints animators hold also cover many different aspects, varying immensely. This chapter directly relates to the practical component of the Honours project, as described in part 2 of the dissertation; The Self-Reflective Case Study. This is due to the fact that when creating the 3D animated pilot and series concept, I related to and strongly agreed with various animation philosophies that were discussed in this chapter e.g. to give life to, as mentioned beforehand. On some occasions these philosophies affected and influenced the way that I would conduct my own practical animation process. A brief investigation on societys perception of animation subject matter was also relevant for the target audience of the series concept.

The Causes And Psychological Effects Of Ptsd Essay

The Causes and Psychological Effects of PTSD Megan Nusbickel Caledonia-Mumford High School and GCC Abstract PTSD is particularly common anxiety disorder that can affect people who have underwent a trauma and are unable to cope with the memories and fear that follow. Many people correlate PTSD with veterans or military personnel, however, many ordinary civilians account for the growing number of cases of this disorder. Typically the types of trauma that result in this anxiety disorder have to do with, sexual or physical abuse, combat, or even natural disasters. People who develop PTSD as a result of any one of these traumas are subject to psychological effects such as self-destructive behavior, fight-or-flight response, avoidance, and physical changes to the structure of the brain. These issues come from the underlying anxiety associated with the development of PTSD. The Causes and Psychological Effects of Post-Traumatic Stress Disorder Following World War I and World War II a number of war veterans developed a disorder commonly referred to as, â€Å"Shell shock†, and, â€Å"Battle fatigue.† Following the Vietnam War people began to acknowledge this once undiagnosed issue to be what we refer to now as post-traumatic stress disorder, a disorder that is commonly developed in an individual after an event that caused them extremeShow MoreRelatedPost Traumatic Stress Disorder1086 Words   |  5 Pagesand felt first hand the effects of posttraumatic stress disorder. It is not possible to respond to emergency after emergency and not be subject to some of PTSD’s effects. When I saw this topic in the list I felt compelled to use this opportunity to learn more. My hope is by increasing my knowledge, of a disorder so prevalent in my career field; I can recognize the symptoms in others and myself before there effect becomes devastating. 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Moral Obligations of any Multinational Corporation - Free Sample

Question: How wide do the moral obligations (or duties) of a multinational corporation extend when operating in a global context? Answer: Corporate Social Responsibility today has become a quickly growing, main industrial problem. This exists as an idea that actually has fascinated worldwide attention. Because of the burden intended for improved lucidity plus company citizenship, this term initiated to cuddle the social, ecological and ethical confrontation. Currently, firms are actually conscious of communal plus ecological impact of global making. Also it is established that firms must never be merely money-making, yet also must properly corporate all the citizens. Via globalization and growing economy, the MNCs are enchantingly concerned along with contractors plus consumers throughout the world, particularly if they function in the mounting nations. CSR plan has a very secure relationship along with the global development and growth. CSR in the MNC firms is also seen like a medium via which bigger and recognized organizations can also contribute in the happiness of the developed nations by working sensibly regardin g social as well as environmental issues. Libertarian theories and concepts of normative hub are held by the corporations and their viewpoints are basically accountability of the promotion that held the firms to revisit all the earnings to the stakeholders within boundaries of convinced ethical side-restraints. Side-restraints might be moreover very weak which are accountable with the rules of the game. This study actually deemed libertarian point of view related to the normative hub of firms in context of the international capitalism as well as in the light of the definite corporate performance. Initially, it is also argued that weak side-restraints scene is theoretically disjointed when actually implicated within an international situation. Second, argument is made that the proponents of the libertarian brutal side-restraints view all the lack of proper theory and the privileges. Third, all the two weak side-restraints seem as well as strapping side-restraints view will be demonstrated. Multinational firms are never actually pardoned from the ethical obligations. In reality there always exist some social expectations from the multinationals and these can come from some individuals, government and the customers of the products and the services. MNCs require behaving ethically and the corporate leadership should be guided as well in terms of ethical boundaries that must exist for the organization. The national laws and regulations also help in making the MNCs behave properly and ethically. There has been some good arguments regarding multinationals running away and avoiding the laws through moving functions in various nations. Few multinational firms look for some locations merely for cheap employees plus ecological laws. Some firms discover cheap manual labor yet assume highest benchmarks otherwise regulations through which it actually sells out products and also services. This is for being capable to sell products globally. For instance, a car producer might select to adopt the Californias car production standard for selling their automobiles within all of the United States. While law may not hold multinationals towards a very high standard, the social pressure could also have some impact. Consumers within United States also have demands as well as expectations of the way in which a firm must behave. There also have been several times in news when the clothing designers plus some other manufacturers get accused of carrying their goods manufactured at the sweat shops within foreign nations. This could also cause shareholders as well as some other stakeholders in the firm to change the working circumstances for the factory labors. For instance, Nike currently extra closely monitors all its industrialized partners functions in Asia (Arnold). The actual leadership within a firm does have proper influence upon the way in which a firm behaves. Bureaucracy of any firm is not affected by an individual. There are influences that are received from vario us ends within an organisation. The other fact is that the executives as well as bureaucrats that actually lead any firm do have proper impact that could lead towards social responsible agendas and activities. Stockholders, board of the directors as well as executive level staffs all apply their individual ethicality, through their activities, into the firm. Some companies also do not require laws towards acting morally. Few nations that open their factories in foreign nations for some cheaper labor, maintain health as well as safety policies through establishment of the factories. Some firms also might act ethically for public, media as well as government relationship positive advantages. In current world economy with faster spread of data and information firms have to properly behave plus think internationally. It is also hard to maintain the non-moral business decisions far away from public. Society even holds the multinationals towards a phase of the ethics plus responsibility w hich law may not be capable to do. Als0 Multinationals are actually never free from the morals. In common, less is understood regarding management of the social responsibility in any MNC, moreover virtually or even mentally. Since several locations of study have also examined the nature of the educational otherwise commerce preference towards communal equality, there also has been previously no study upon the actual position of the social responsibility in development of the firms into fresh territories otherwise traditions. Prevailing theoretical loom towards learning the CSR carry outs amongst MNC firms, working within increasing nations, is tasks of many researchers, who have tried to evaluate and analyze common MNCs administration carry outs in the CSR. This structure was later comprehensive to cover all the CSR practices. The researches of all these researchers enabled all the interesting insights like the way in which CSR is controlled and is being handled, potential restrictions towards successful completion of the CSR practices in the domestic locations into function am ong the MNCs. Moreover, conventional study of the responsibilities also was undertaken chiefly on the home issues like labor problems and cultural discrimination, situations of the ladies as well as ecology. Till date also there actually has been very limited investigation within mounting nations circumstance, within meticulously concerning overseas MNC firms. Additional detailed evaluation and examination is required of things that are involved, ethical as well as relational reasons that survive in the schemes that are very dissimilar towards western framework where they also were actually urbanized. Along with internationalization, the need for CSR has propelled to an international context. It has been identified that triple particular contexts of the responsibility towards society regarding the worldwide supremacy exist in the world. Firstly, in current days it is actually predictable that all the MNC companies would construct novel abilities as well as take proper care of all t he issues like working situations, healthcare as well as education plus even respect of the human rights, thereby developing the nations and decreasing level of poverty otherwise child labor. Currently, majority of the multinational firms are facing several challenging issues in the era of the Globalization. It has also been observed that the multinational companies actually are becoming capable to solve and answer all the problems. They also have brought in idea of the "Three segment world", negotiating the multinational firms, the non-governmental companies and the community (McGee and Peet). Within the research, many researchers have compared both the strengths as well as weaknesses of every sector plus have analyzed all of their contributions towards solving the international problems. There have been many research methods which were based upon comparison attempts of the multinational companies within implementation of the CSR in all its developing nations. On the basis of their findings, this was seen noticeable that proper two-way partnership along with society as well as non-governmental firms could also carry some better outcomes in implementing the CSR. Thus CSR within global context would involve something more than the simple implementation of the business; it also requires trade cooperation along with some other firms in reality whose focus also is superior upon CSR. The MNCs within the global context also have a varied and very vital duty as well as obligation towards globe plus societies. Several critics have argued that present neoliberal international financial system permits MNCs towards properly utilizing of all the labors like low-priced labor as well as to exploit some lower standards upon working situations, fundamental worker rights, as well as environmental regulations and rules. MNCs also have motivated some significant debate all around incompatible issues and problems of the competence plus the justice, as well as resultant balance and poise of the economic growth plus also social injustice. Simultaneous these surges within the economic growth as well as inequity that have resulted to grave implications intended for the rights of people within developing globe. Also utilizing a proper rights-oriented standpoint, people bicker that within rights of people field accountable party is usually the actual state, plus that, particularly in situation of the neoliberal internationalization, offenders also are generally firms. Few experts also have argued about the fact that states also are not as well as must not actually be single target and aim of any global legal duty and that total dependence upon the state obligations might not be very adequate towards roughly protecting the rights of people. Very proper agreement has actually come that some definite business activities are disadvantageous to globally renowned rules of the human rights. Some papers have also examined possibility of the exterior governing body towards holding in check tolerant global capitalism as well as towards bringing the accountability to the MNC policies which are communally detrimental. All the way through an assessment of mixed outcomes of the globalization as well as an enhanced awareness of the social responsibilities, some of the studies even conclude that the MNCs would not properly address the specific rights of human beings and their violations if they are assigned merely to an intended set of the principles that are carried out. Few very popular interpretations regarding globalization actually include view about fact that it also is evolutionary procedure of alteration ambitious by the actual technical as well as systematic progress within modern epoch. Also power at the back of this definition also is recent communication as well as information technology rebellion, from which the corporations also function in the global market actually external of the countrywide limits. Novel knowledge even has resulted to force towards international business that is made for attaining relative advantages all amongst their international counterparts. Some other popular meaning of the globalization also maintains that this magnifies as well as intensifies echelon of the communication plus interdependence all along with the country states plus communities. From the realist viewpoint, globalization now has been assumed as a nov el hegemonic scheme upheld by worlds vital industrialist viewpoint. Seen within this, also it is the apparatus of wealthy countries utilized to sustain all of their financial governance. Within its presence chiefly neoliberal itinerary, internationalization is attached to rationalist arrangement of the awareness, capitalist style of manufacture, technical modernism, and also mechanical plus practical equivalence. MNCs actions in developing the world result within the myriad rewards plus expenses. As the effective force for financial integration, MNCs could also generate vast amounts of the income plus wealth intended for all the crowd nations, while in the mean time also supplying jobs within the markets having great stages of the joblessness (Augenstein). Few researches upon MNC actions, disagree that occurrence of the MNCs within the third World financial system also is advantageous and even leads to enhanced life hope as well as decline within the illiteracy as well as infant mor tality tariffs, with increases within first- plus second-cohort rights on a whole. Several other elements also contribute towards increase in power of the corporations. All such include the international fortification of their actual property as well as their prominent duty and role within the international institutions which regulate the trade, like the WTO. As the novel millennium comes in, trends within the global rights of people are also changing. Human rights problems and issues are crossing independent boundaries plus are also no longer merely issues of state. Since extra non-governmental firms are now growing, plus Internet enlarges as well as aids very fast reach of data and information, also there are extra populace raising the anxiety regarding rights of human beings and other interrelated issues. Few of such arrive from more and more superior as well as influential commercial segment including some large, multinational firms. In few situations, some companies have kept the whole governments towards violently supporting the administrations which are encouraging towards them. For instance, particularly within 1970s plus 80s, few tacitly carried authoritarianism like they might manage and organize all of their people, be extra easily influenced as well as corrupted, permit conditions such as inexpensive labor plus sweatshops, and many more. This also is very less realistic in current time as a firms icon along with such relations can extra gladly is marked currently. Additionally then, authority also is getting appropriately spread all t hrough the lobbying intended for international profitable plus trade preparations which are extra advantageous to the firms. Despite the prominence of all this in the political debate, proper corporate power as well as its schemes of the checks as well as steadiness are also not well known. Corporate authority and power at all its present level also were never foreseen by any of the early lawmakers as well as constitutional scholars and researchers, and its groundwork within the law is also very uneasy as well as inconsistent. Yet it is very comprehensible that question of the legitimacy of the corporate authority within the firms has also been distorted. Anyone could incorporate for all the activities that are never illegal. And corporation, granted a minimum of few of constitutionally secured right of the free speech initially contemplated for the individual citizens, that has currently been accorded right towards queries as well as confrontation whether the government is properly performing in communal interest or not. References Arnold, Denis G. 'Libertarian Theories Of The Corporate And Global Capitalism'. Journal of Business Ethics 48.2 (2003): 155-173. Web. Augenstein, Daniel. 'The Crisis Of International Human Rights Law In The Global Market Economy'. SSRN Journal n. pag. Web. McGee, Terry, and Richard Peet. 'Global Capitalism: Theories Of Societal Development'. Economic Geography 68.2 (1992): 210. Web.