Method and apparatus for monitoring payload

Details Method and apparatus for monitoring payload Method and apparatus for monitoring payload

1990-08-20

1992-01-21

Miller, Jr., George H.

Weighing scales

Computer

Electrical

177139, 177141, G01G 1940, G01G 1908, G01G 1910

Patent

active

050820710

ABSTRACT:
In many applications, it is important to measure and display payload weight for a loader vehicle. The subject apparatus and method senses only the hydraulic pressure of a lift cylinder. The payload weight is computed by curve fitting the sensed cylinder pressure to a second order time dependent polynomial and comparing the time dependent polynomial to one of a series of predetermined second order geometric polynomials. The weight computation algorithms used in the 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: 4919222 (1990-04-01), Kyrtsos et al.

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