Coliolis rate sensor using tunnel-effect displacement sensor

Details Coliolis rate sensor using tunnel-effect displacement sensor Coliolis rate sensor using tunnel-effect displacement sensor

1993-05-17

1994-02-15

Chapman, John E.

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

G01P 904

Patent

active

052856860

ABSTRACT:
A rate detection system (10) uses a balanced resonant sensor (12) having first and second tines (14,16) interconnected with a mounting pad (20). A sensing circuit (50) including a tunnel effect displacement sensor (38) having a first probe (40) connected to the mounting pad (20) and a second probe (42) connected to a reference pad (32) detects an output signal having a Coriolis component. A feedback circuit provides a compensation signal to the balanced resonant sensor (12).

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W. J. Kaiser et al., "Tunnel-Effect Displacement Sensor", NASA Tech Brief vol. 13, No. 9, Item #155, from JPL Invention Report NPO-17362/6677 (Sep., 1989).
R. H. Halsing, II, "Single Coriolis Inertial Rate and Acceleration Sensor," Journal of The Institute of Navigation, vol. 35, No. 3, pp. 347-359 (Fall 1988).
S. B. Waltman et al., "An Electron Tunneling Sensor," Sensors and Actuators, 19 (1989) 201-210.

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