Multivariable transducer interfacing circuit for wireless monitoring of smart implants
The increasing use of microprocessors and microcontrollers in measurement and data acquisition systems has necessitated the need for obtaining sensor response in a digital format, thus avoiding the need for an analog-to-digital conversion stage. Further, in quite of a number of automation appli...
| Main Authors: | , , , , , , |
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| Format: | Conference or Workshop Item |
| Language: | English |
| Published: |
2009
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| Subjects: | |
| Online Access: | http://irep.iium.edu.my/12010/ http://irep.iium.edu.my/12010/ http://irep.iium.edu.my/12010/1/Multivariable_tranducer_FP_10.pdf |
| Summary: | The increasing use of microprocessors and
microcontrollers in measurement and data acquisition
systems has necessitated the need for obtaining sensor
response in a digital format, thus avoiding the need for an
analog-to-digital conversion stage. Further, in quite of a
number of automation applications, there is the need of
wireless transmission of data signals over narrow gaps. The
signal obtained is loaded with data from transducers
measuring parameters of interest for monitoring or other
reasons. Changes in resistive sensors as a result of
parameters changes are obtained as a digital signal with its
time-period, amplitude and duty cycle directly proportional
to variations in three different resistors. This is one useful
way of reading data signals from more than a single sensors
at the same time by using a measurement circuit with a
single output signal. The utility of this work lies in
applications where the allowable room for proper wiring is
either impossible or the congestion of wiring is be avoided
for more clarity and better automation. The experimental
results obtained in this paper match with the simulation
details of the interface circuit. |
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