Loader boom control system

Details Loader boom control system Loader boom control system

2006-09-29

2010-12-14

Mancho, Ronnie (Department: 3664)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Construction or agricultural-type vehicle

C037S348000, C037S091000, C414S699000, C056S01020R, C056S01020G, C340S684000

Reexamination Certificate

active

07853382

ABSTRACT:
A work vehicle that includes a boom; a boom actuator connected to the boom, the boom actuator being adapted to controllably move the boom about a boom pivot in response to receiving a boom control signal; and a controller having computational and time-keeping capabilities. The controller communicates with the boom actuator, and calculates the boom velocity, compares the calculated velocity to a commanded velocity to obtain a velocity error, and, if necessary, de-rates the tractive effort of the wheels to prevent the boom from stalling. The controller also determines if the operator is actuating the boom, and reads the boom position to calculate the boom velocity based upon the current boom position and a previous boom position. The controller uses a predefined algorithm to de-rate the tractive effort of the wheels as a function of the power train configuration.

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