Process for compensating acceleration sensor errors

Details Process for compensating acceleration sensor errors Process for compensating acceleration sensor errors

1990-07-26

1993-11-30

Noland, Tom

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

73510, 36442601, G01P 1500, G01P 2100

Patent

active

052654729

ABSTRACT:
A process for compensating systematic errors of an acceleration sensor. The result of a sliding average of the output of the accelerometer, determined when acceleration in the primary measurement direction is zero, is subtracted from the output of the accelerometer thus producing a signal representative of acceleration only in the primary direction. A functional check of the accelerometer is provided by aligning the accelerometer in a second direction and comparing the acceleration measured in this second direction to the acceleration measured in the primary direction by a second device for determining acceleration and indicating a malfunction when the two measured accelerations are different and it is determined that acceleration only in the primary direction is present.

REFERENCES:
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patent: 5040115 (1991-08-01), Fukushima et al.

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