Work vehicle magnetorheological fluid joystick systems operable in modified joystick stiffness modes

The invention relates to work vehicle magnetorheological fluid joystick systems operable in modified joystick stiffness modes. Embodiments of a work vehicle magnetorheological fluid (MRF) joystick system include a joystick device having a base housing, a joystick movably mounted to the base housing,...

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Bibliographic Details
Main Authors GRAHAM BARNEY S, KRAFT ANTHONY K, ANDERSON MARK D, FRANCK KENNETH, CHRISTOFFERSON CRAIG, BENSON CHRISTOPHER R, VELDE TODD F, JONES AMY K, VANDEGRIFT ALEX R, MEYER CHRISTOPHER J
Format Patent
LanguageChinese
English
Published 02.11.2021
Subjects
DREDGING
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
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Summary:The invention relates to work vehicle magnetorheological fluid joystick systems operable in modified joystick stiffness modes. Embodiments of a work vehicle magnetorheological fluid (MRF) joystick system include a joystick device having a base housing, a joystick movably mounted to the base housing, and a joystick position sensor configured to monitor joystick movement. An MRF joystick resistance mechanism is controllable to vary a joystick stiffness resisting movement of the joystick relative to the base housing, while a controller architecture is coupled to the joystick position sensor and to the MRF joystick resistance mechanism. The controller architecture is configured to: (i) selectively place the work vehicle MRF joystick system in a modified joystick stiffness mode during operation of the work vehicle; and (ii) when the work vehicle MRF joystick system is placed in the modified joystick stiffness mode, command the MRF joystick resistance mechanism to vary the joystick stiffness based, at least in part
Bibliography:Application Number: CN202110332176