Low-cost, high-precision measurement system for capacitive sensors

1998 ◽  
Vol 9 (3) ◽  
pp. 510-517 ◽  
Author(s):  
C Kolle ◽  
P O'Leary
Keyword(s):  
High Precision ◽  
Measurement System ◽  
Precision Measurement ◽  
Low Cost ◽  
Capacitive Sensors ◽  
High Precision Measurement

Research on a Novel High-Precision Intelligent Displacement Sensor

2006 ◽  
Vol 113 ◽  
pp. 435-441 ◽  
Author(s):  
Xiao Kang Liu ◽  
Dong Lin Peng ◽  
Xing Hong Zhang ◽  
Xi Hou Cheng
Keyword(s):  
High Precision ◽  
Precision Measurement ◽  
Angular Displacement ◽  
Low Cost ◽  
High Accuracy ◽  
Displacement Sensor ◽  
Test Results ◽  
High Precision Measurement ◽  
Time Space ◽  
Space Coordinate

A theory of time-space coordinate transformation is presented for measuring space with time. A novel type of displacement sensor named time grating is developed, and methods of electronic rectifying, self-compensation and self-correction are proposed to intelligentize the sensor. Experiment results coming from applications conform to the validity of the proposed theory and methods. The experiment and test results show that high-precision measurement is achieved without high-precision manufacture and that angular displacement is measured very accurately without a dividing scale, which embeds the remarkable characteristics of low cost but high accuracy to the time grating sensor.

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