Grade angle and acceleration sensor

Details Grade angle and acceleration sensor Grade angle and acceleration sensor

1992-09-30

1994-10-04

Woodiel, Donald

Measuring and testing

Speed, velocity, or acceleration

With response to a nonspeed condition

73178R, 73517R, 73146, G01P 1508

Patent

active

053515404

ABSTRACT:
A grade and acceleration sensor having a weight, a first sensor for measuring a first parameter of the weight due at least to the force of gravity to generate a first signal, a second sensor for measuring a second parameter of the weight due to both the force of gravity and the acceleration of the vehicle on which the sensor is mounted to generate a second signal, a grade angle generator generating the grade angle .theta. in response to the first and second signal, and an acceleration generation generating a signal having a value corresponding to the acceleration of the vehicle in response to the first and second signals. In a first embodiment, the weight is a bob of a pendulum, the first parameter is a displacement angle of the bob due to acceleration and gravity and the second parameter is the force on the arm of the bob due to gravity and acceleration. In a second embodiment, the first parameter is force generated by a weight due to gravity along a first axis and the second parameter is the force generated by the weight due to acceleration and gravity along a second axis normal to the first axis.

REFERENCES:
patent: 3588188 (1971-06-01), Shattock
patent: 3752251 (1973-08-01), Gaeke
patent: 4713764 (1987-12-01), Klatt
patent: 5187977 (1993-02-01), Koschorek et al.

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