Work vehicle magnetorheological fluid joystick systems having adjustable joystick return positions
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United States of America Patent
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Nov 22, 2022
Grant Date -
Nov 4, 2021
app pub date -
Sep 30, 2020
filing date -
May 1, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
In embodiments, a work vehicle magnetorheological fluid (MRF) joystick system includes a joystick device. The joystick device includes, in turn, a base housing and a joystick, which is rotatable relative to the base housing and which is biased toward a joystick return position. An MRF joystick resistance mechanism is controllable to vary an MRF resistance force impeding movement of the joystick relative to the base housing, while a controller architecture is coupled to the MRF joystick resistance mechanism. The controller configured to: (i) selectively enable an operator adjustment of the joystick return position by a work vehicle operator; and (ii) when enabling the operator adjustment of the joystick return position, command the MRF joystick resistance mechanism to maintain the MRF resistance force at a predetermined level until the operator adjustment of the joystick return position is terminated.
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