Noise analysis for the triaxial capacitive displacement transducer

Author

Bertone, Gregory A. ; Meiksin, Z.H. ; Carroll, Norman L.

Author_Institution

Electron. Instrum. Res. Ltd., Irwin, PA, USA

Volume

39

Issue

5

fYear

1990

fDate

10/1/1990 12:00:00 AM

Firstpage

735

Lastpage

738

Abstract

A computer simulation and experimental study of electric noise in the triaxial capacitance displacement transducer is presented. When combined with a measurement instrument, the simulation and study lead to an optimal design range for the value of the reference capacitor of the transducer. The range is defined in terms of the decrease in noise, relative to the increase in capacitance. A SPICE program is used to predict the noise characteristics of the triaxial displacement transducer. It is found that the signal-to-noise ratio improves as the reference capacitance of the device is increased, but also that the rate of improvement decreases with an increase in capacitance

Keywords

computer aided analysis; digital simulation; displacement measurement; electron device noise; electronic engineering computing; random noise; transducers; SPICE program; computer simulation; electric noise; noise analysis; optimal design; optimisation; reference capacitor; signal-to-noise ratio; triaxial capacitance displacement transducer; triaxial capacitive displacement transducer; Amplitude modulation; Capacitance; Capacitors; Displacement measurement; Electrodes; Instruments; Shafts; Transducers; Virtual reality; Voltage;

fLanguage

English

Journal_Title

Instrumentation and Measurement, IEEE Transactions on

Publisher

ieee

ISSN

0018-9456

Type

jour

DOI

10.1109/19.58617

Filename

58617