Invention Grant
- Patent Title: Operator selectable steering mode with variable torque feedback and system thereof
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Application No.: US17004143Application Date: 2020-08-27
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Publication No.: US11541862B2Publication Date: 2023-01-03
- Inventor: Nathanael K. Rehn , Jeffrey M. Tott , Trent L. Goodnight
- Applicant: DEERE & COMPANY
- Applicant Address: US IL Moline
- Assignee: DEERE & COMPANY
- Current Assignee: DEERE & COMPANY
- Current Assignee Address: US IL Moline
- Agency: Taft Stettinius & Hollister
- Agent Stephen F. Rost
- Main IPC: B60W30/045
- IPC: B60W30/045 ; B60W30/18 ; B60W40/107 ; B62D5/00 ; B62D6/00 ; G05B15/02 ; B60W10/20 ; B60W50/10 ; B62D5/09 ; B60W40/109 ; B60W40/105

Abstract:
A method of controlling a work machine having at least one wheel includes providing a controller, an operator control, and a steering system including a steering wheel position sensor, a road wheel angle sensor, a speed sensor, and a feedback device. The method includes detecting a change in steering wheel position via the steering wheel position device and a wheel speed of the at least one wheel via the speed sensor. A predicted lateral acceleration is calculated by the controller as a function of wheel speed and a feedback torque is determined by the controller as a function of the predicted lateral acceleration. The feedback torque is determined from a plurality of feedback torque curves stored by the controller, where each of the plurality of feedback torque curves corresponds to a sensitivity level selectable from the operator control. The feedback torque is commanded to the feedback device.
Public/Granted literature
- US20220063581A1 OPERATOR SELECTABLE STEERING MODE WITH VARIABLE TORQUE FEEDBACK AND SYSTEM THEREOF Public/Granted day:2022-03-03
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