Gravitational accelerometer provided with zero adjuster

Details Gravitational accelerometer provided with zero adjuster Gravitational accelerometer provided with zero adjuster

1994-12-02

1996-06-11

Teska, Kevin J.

Boots, shoes, and leggings

36442602, 364566, 36457102, 73 1D, G01P 2100

Patent

active

055262635

ABSTRACT:
A gravitational accelerometer for use in an automotive vehicle includes a plurality of wheel speed sensors for outputting a wheel speed by measuring a rotational speed of at least one of vehicle wheels, an acceleration sensor for detecting and outputting an acceleration Am applied to the automotive vehicle, an estimated vehicle acceleration computing unit for computing and outputting an estimated vehicle acceleration Aw estimated from the wheel speed, and a correction quantity computing unit for computing variable correction quantity Ao for each calculation cycle. A horizontal road surface detection unit is provided to detect a generally horizontal road surface. A horizontal correction quantity storage stores and outputs a horizontal correction quantity AoH, which is a correction quantity with respect to the generally horizontal road surface, in response to an output from the horizontal road surface detection unit. A zero correction unit corrects the acceleration Am based on the correction quantity Ao or the horizontal correction quantity AoH to compute a corrected acceleration Ac.

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European Search Report and Annex.

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