Oversteering/understeering compensation with active front steering using steer by wire technology
First Claim
1. A system for compensating understeer and oversteer in a vehicle having a steer by wire system, the system comprising:
- a driver interface system for receiving steering input;
a sensor system to sense the steering input and generate a steering control signal;
a controller in electrical communication with the sensor system to receive the steering control signal, wherein the controller is configured to determine when an understeer or oversteer condition exists and generate a steering assist signal; and
a road wheel steering actuation system configured to receive the steering assist signal and adjust a road wheel angle based on the steering assist signal.
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Accused Products
Abstract
The present invention provides a system for compensating understeer and oversteer in a vehicle having a steer by wire system. The system includes a driver interface system, a sensor system, a controller, and a road wheel steering actuation system. The driver interface system receives steering input from the driver. The sensor system senses the steering input and generates a steering control signal that is received by the controller. The controller determines if an understeer or oversteer condition exists and generates an appropriate steering assist signal that is then communicated to the road wheel steering actuation system. In response to the steering assist signal, the road wheel steering actuation system adjusts the road wheel angle to compensate for the understeer or oversteer condition.
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Citations
26 Claims
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1. A system for compensating understeer and oversteer in a vehicle having a steer by wire system, the system comprising:
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a driver interface system for receiving steering input;
a sensor system to sense the steering input and generate a steering control signal;
a controller in electrical communication with the sensor system to receive the steering control signal, wherein the controller is configured to determine when an understeer or oversteer condition exists and generate a steering assist signal; and
a road wheel steering actuation system configured to receive the steering assist signal and adjust a road wheel angle based on the steering assist signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for compensating understeer and oversteer in a vehicle having a steer by wire system, the method comprising:
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receiving steering input from a driver interface system;
sensing the steering input with a sensor system;
generating a steering control signal;
receiving the steering control signal into a controller;
determining when an understeer or oversteer condition exists utilizing the controller;
generating a steering assist signal; and
adjusting a road wheel angle based on the steering assist signal. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification