Ultra-sonic sensor system for monitoring rolling and/or pitching

Details Ultra-sonic sensor system for monitoring rolling and/or pitching Ultra-sonic sensor system for monitoring rolling and/or pitching

1986-01-27

1988-02-02

Love, John J.

Land vehicles

Wheeled

Running gear

280DIG1, 364424, B60G 1708

Patent

active

047225475

ABSTRACT:
An ultra-sonic senor system suitable for monitoring movement of a vehicle, relative to the horizontal employs two or more coordinated ultra-sonic sensors. The sensors may be mounted at opposite ends or on opposite sides of the vehicle, depending on whether pitch or roll respectively is to be monitored. Each sensor broadcasts ultra-sonic waves and receives ultra-sonic waves reflected by the road surface. The transmission time is known; the reception time is measured upon detection of the peak of the reflected waves. The difference between the two above times yields the distance between the vehicle and the road. The difference between the distances measured by two sensor yields the inclination of the vehicle relative to the horizontal plane.

REFERENCES:
patent: 3003783 (1961-10-01), Brueder
patent: 4528563 (1985-07-01), Takeuchi
patent: 4600215 (1986-07-01), Kuroki et al.

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