Dynamic payload monitor

Details Dynamic payload monitor Dynamic payload monitor

1989-03-15

1990-04-24

Miller, Jr., George H.

Weighing scales

Structural installation

Vehicle

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

Patent

active

049192221

ABSTRACT:
A dynamic payload monitor measures and displays payload weight for a loader vehicle by sensing the hydraulic pressure and position of the lift arm cylinders. The payload weight is computed by curve fitting the sensed cylinder pressure and position data to a second order polynomial, and then performing interpolation or extrapolation with a pair of pressure versus position 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: 3913690 (1975-10-01), Hutchings et al.
patent: 4039084 (1977-08-01), Shinohara et al.
patent: 4055255 (1977-10-01), Vasquez
patent: 4230196 (1980-10-01), Snead
patent: 4390075 (1983-06-01), Snead
patent: 4511974 (1985-04-01), Nakane et al.
patent: 4588038 (1986-05-01), Takagi
patent: 4677579 (1987-06-01), Radomilovich

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