Title :
A novel smart resistive-capacitive angular PSD
Author :
Li, X.J. ; Meijer, G.C.M.
Author_Institution :
Dept. of Electr. Eng., Delft Univ. of Technol., Netherlands
Abstract :
A novel smart resistive-capacitive angular PSD is presented. The main advantages of this low-cost system are its high stability and high reliability. A very linear oscillator is used in the processing circuit to convert the position quantity to a period-modulated signal which can directly be read out by a microcontroller. The system does not need an A/D converter. The nonlinearity of the smart PSD system is less than ±0.3% (±0.9°) over the range of 270°
Keywords :
angular measurement; computerised instrumentation; electric sensing devices; intelligent sensors; measurement errors; microcomputer applications; position measurement; signal processing; signal processing equipment; A/D converter; CMOS IC; linear oscillator; microcontroller; period-modulated signal; position quantity; position sensitive detector; processing circuit; reliability; smart resistive-capacitive angular PSD; stability; Analog processing circuits; Capacitance; Capacitors; Circuit stability; Costs; Electrical resistance measurement; Electrodes; Oscillators; Potentiometers; Signal processing;
Conference_Titel :
Instrumentation and Measurement Technology Conference, 1994. IMTC/94. Conference Proceedings. 10th Anniversary. Advanced Technologies in I & M., 1994 IEEE
Conference_Location :
Hamamatsu
Print_ISBN :
0-7803-1880-3
DOI :
10.1109/IMTC.1994.352062
