Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Construction or agricultural-type vehicle
Patent
1996-07-25
2000-05-02
Louis-Jacques, Jacques H.
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Construction or agricultural-type vehicle
172 2, 172 8, A01B 4106, G06F 770
Patent
active
060583428
ABSTRACT:
A system for controlling a function of a machine system including an off-road work vehicle, a moveable device, and a positioning assembly including an actuator for moving the device in response to a control signal. The system includes an operator-adjustable input device which generates an input signal, and a control circuit which generates the control signal for moving the moveable device in a first or a second manner depending upon the rate of change of the input signal. The first manner is selected when the input signal changes slowly, and the second manner is selected when the input signal changes quickly. The system may include a sensor for sensing a parameter of the machine system and a command device for generating a command signal. A control signal is generated based at least upon the difference between the sensed parameter and command signals. Also disclosed is a system for controlling the elevation of an implement carried or trailed by a work vehicle. An implement positioning assembly includes an actuator for raising and lowering the implement in response to a control signal. The control signal is generated in a first manner when the command signal changes slowly, and in a second manner when the command signal changes quickly. An input device can also be used to override the normal rate of movement of an actuator with a slower value.
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Orbach Abraham
Schubert William L.
Case Corporation
Louis-Jacques Jacques H.
LandOfFree
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