Steering compensation with grip sensing
First Claim
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1. A system for grip-based handwheel compensation, the system comprising:
- a net handwheel torque moment determination module that determines a net handwheel torque moment between a left grip and a right grip on a handwheel;
a filter transition compensation module that applies a filter to smooth transitions in the net handwheel torque moment as a bias compensation; and
a handwheel torque compensation module that determines a grip compensated handwheel torque based on a difference between a sensed handwheel torque and the bias compensation; and
a control module that controls an actuator motor based on the grip compensated handwheel torque.
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Abstract
A system for grip-based handwheel compensation includes a net handwheel torque moment determination module that determines a net handwheel torque moment between a left grip and a right grip on a handwheel. The system also includes a filter transition compensation module that applies a filter to smooth transitions in the net handwheel torque moment as a bias compensation. The system further includes a handwheel torque compensation module that determines a grip compensated handwheel torque based on a difference between a sensed handwheel torque and the bias compensation.
302 Citations
20 Claims
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1. A system for grip-based handwheel compensation, the system comprising:
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a net handwheel torque moment determination module that determines a net handwheel torque moment between a left grip and a right grip on a handwheel; a filter transition compensation module that applies a filter to smooth transitions in the net handwheel torque moment as a bias compensation; and a handwheel torque compensation module that determines a grip compensated handwheel torque based on a difference between a sensed handwheel torque and the bias compensation; and a control module that controls an actuator motor based on the grip compensated handwheel torque. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A steering system comprising:
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a handwheel torque sensor operable to produce a sensed handwheel torque; a steering actuator motor; and a control module operable to determine a net handwheel torque moment between a left grip and a right grip on a handwheel, apply a filter to smooth transitions in the net handwheel torque moment as a bias compensation, determine a grip compensated handwheel torque based on a difference between the sensed handwheel torque and the bias compensation, and control the steering actuator motor based on the grip compensated handwheel torque. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A method for grip-based handwheel compensation, the method comprising:
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determining, by a control module of a steering system, a net handwheel torque moment between a left grip and a right grip on a handwheel; applying a filter to smooth transitions in the net handwheel torque moment as a bias compensation; determining a grip compensated handwheel torque based on a difference between a sensed handwheel torque and the bias compensation; and controlling an actuator motor based on the grip compensated handwheel torque. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification