Acceleration sensor

Details Acceleration sensor Acceleration sensor

1996-05-24

1998-09-01

Sircus, Brian

Electricity: motive power systems

Positional servo systems

With particular 'error-detecting' means

318651, 74 175, 74382R, 7451401, G05B 1112

Patent

active

058015078

ABSTRACT:
An acceleration sensor includes a first acceleration sensor and a second acceleration sensor both disposed neither parallel to the plumb plane nor perpendicularly to the plumb plane, wherein the first acceleration sensor and the second acceleration sensor are disposed such that they are symmetrical to each other with reference to the plumb plane. A summing circuit is provided for obtaining the sum of an output signal of the first acceleration sensor and an output signal of the second acceleration sensor, and a differential circuit for obtaining the difference between the respective output signals of the first acceleration sensor and the second acceleration sensor, so that acceleration in the horizontal direction is obtained from one of the output signals of the summing circuit and the differential circuit, and the gravitational acceleration is obtained from the other of the output signals of the summing circuit and the differential circuit. Also provided is a control system for controlling the positions of the first acceleration sensor and the second acceleration sensor so as to maximize the output signal corresponding to the gravitational acceleration.

REFERENCES:
patent: 3537307 (1970-11-01), Pliha

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