Tactile electronic steering system
First Claim
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1. A vehicle steering system comprising:
- a steering device;
a position sensor that senses the position of the steering device; and
a steering controller in operative communication with the steering device and the position sensor, wherein the steering controller;
determines a rate of change of the position of the steering device; and
generates a steering command signal for moving wheels of the vehicle in a desired direction at a desired speed based on the determined rate of change.
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Abstract
A steering control system adjusts steering gain and position of the vehicle wheels based on a rate of change of the steering wheel. The steering control system provides a passive feedback control signal to a passive tactile feedback device. The steering control system provides electronic steering control that is consistent with the feel of a standard hydrostatic steering system.
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Citations
21 Claims
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1. A vehicle steering system comprising:
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a steering device;
a position sensor that senses the position of the steering device; and
a steering controller in operative communication with the steering device and the position sensor, wherein the steering controller;
determines a rate of change of the position of the steering device; and
generates a steering command signal for moving wheels of the vehicle in a desired direction at a desired speed based on the determined rate of change. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method of controlling steering in a slow-moving off-highway vehicle, the method comprising:
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detecting a position of a steering device;
determining a rate of change of the position of the steering device; and
based on the determined rate of change, generating a steering command signal for moving wheels of the vehicle in a desired direction at a desired speed. - View Dependent Claims (17, 18)
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19. A steering control system comprising:
a steering controller in operative communication with a steering device and a position sensor that senses the position of the steering device, wherein the steering controller;
determines a rate of change of the position of the steering device; and
generates a steering command signal for moving wheels of the vehicle in a desired direction at a desired speed based on the determined rate of change. - View Dependent Claims (20, 21)
Specification