Dynamic payload monitor

Details Dynamic payload monitor Dynamic payload monitor

1991-03-05

1992-04-21

Miller, Jr., George H.

Weighing scales

Structural installation

Vehicle

177141, 177 2514, G01G 1908, G01G 1910, G01G 1940

Patent

active

051058960

ABSTRACT:
A dynamic payload monitor measures and displays payload weight for a loader vehicle by sensing the hydraulic pressure of a lift arm cylinder. The payload weight is computed by curve fitting the second cylinder pressure to a second order polynomial, calculating a pressure differential, and then performing interpolation or extrapolation with a pair of pressure versus position or time reference parabolas obtained during calibration. The weight computation algorithms used in the dynamic payload monitor are applicable to a number of work vehicles having at least one work implement linkage and at least one hydraulic cylinder for modifying the linkage geometry.

REFERENCES:
patent: 4055255 (1977-10-01), Vasquez
patent: 4230196 (1980-10-01), Snead
patent: 4390075 (1983-06-01), Snead
patent: 4835719 (1989-05-01), Sorrells
patent: 4919222 (1990-04-01), Kyrtsos et al.
patent: 4995468 (1991-02-01), Fukuda
patent: 5038876 (1991-08-01), Smith

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