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http://dx.doi.org/10.5302/J.ICROS.2006.12.9.912

16 Channel Strain Gauge Measuring Ubiquitous System Development  

Jang, Soon-Suk (조선대학교 정보통신공학부)
Kim, Kyung-Suk (조선대학교 정보통신공학부)
Won, Yong-Ill (조선대학교 정보통신공학부)
Kim, Dae-Gon (조선대학교 정보통신공학부)
Publication Information
Journal of Institute of Control, Robotics and Systems / v.12, no.9, 2006 , pp. 912-917 More about this Journal
Abstract
A strain gauge weight measuring instrumentation system was designed with RF sensor network facilities. In the sensor module system data conversion and a series of signal processing were totally equipped. 16 strain gauges are incoming sensors and each output of the strain gauge was amplified and filtered for proper analog signal processing. Several measuring instrumentation OP amps and general purposed OP amps were used. 12 bits A/D converters converted analog signals to digital bits and a PIC microprocessor controlled the 16 channels of strain gauges. RF RS232 modules were used for wireless communication between the PIC microprocessor and an Ethernet host far a remote sensor monitoring system development.
Keywords
strain gauge; instrumentation amplifier; opAmp; sample and holder; analog to digital converter; micro sontroller; RS-232; RF;
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