Data acquisition and its vital role in our
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DATA ACQUISITION AND ITS VITAL
ROLE IN OUR LIFE
BY PRAKASH KUMAR
SRI KRISHNA INSTITUTE OF TECHNOLOGY
ELECTRONICS AND COMMUNICATION
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AGENDA
Introduction to DATA ACQUISITION. Working Background Advantages Real life applications Future prospects Conclusion
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Introduction(what is it???) The process of gathering real-world data
to validate models and simulations.
In its broadest sense , data acquisition is the process of gathering information in an automated fashion from analog and digital measurement sources and presenting that information in meaningful way.
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Data Acquisition systems
sensorSignal
conditioning
Acquisition
hardwarecomputer software
actuator
Data analysis
Physical phenomenon
Physical phenomenon
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Working Background
Signal Conditioning
Amplification
Isolation
Filtering
Linearization
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Analog to digital convertor
Step size=1/2^n * vref , where n is no of bits used
n-bit ADC Digital outputAnalog input
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Advantages
Does not require programming. Enables developers to design the custom
instrument best suited to their application. Examples- TestPoint , LabViEW ,
SnapMaster. Involve the use of programming language
like c++ , BASIC, development tools
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Real life application
Refrigerator Water control system Water boiler Electric arc furnace Life support system Blood pressure monitoring Heart beat monitoring Oxygen monitoirng
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Electric arc furnace Industrial arc furnace temperatures can
be up to 1800 *c, while laboratory units can exceed 3000*c
The electrodes are automatically raised and lowered by a positioning system which may use hydraulic cylinders
By using of electronic device it sends a data to the furnace so that it automatically stop working
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Life Support System
Providing breathable oxygen Removing carbon dioxide humidity Portable life support system contained a
radio transceiver and antenna for communication
Plss controls were provided the remote control unit(RCU) mounted on the astronaut’s chest
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HEART BEAT MONITOR
Sensor fusion algorithm allow these monitors to detect core temperature and dehydration
When a heart beat is detected a radio signal is transmitted,which the receiver uses to determine the current heart rate
This signal can be simple radio pulse or a unique coded signal from the chest.
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Future prospects
Have found applications. incredibly broad usage in areas as diverse as monitoring agricultural
To testing the next generation NASA space telescope.
Expect to see continued growth and adoption of USB and added flexibility with onboard FPGA.
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CONCLUSION
Thus , finally we conclude that data acquisition is the need of time which is required in varieties of field from life saving process to industrial and product manufacturing process .
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CONCLUSION
Thus , finally we conclude that data acquisition is the need of time which is required in varieties of field from life saving process to industrial and product manufacturing process .