Steering control system and method
First Claim
Patent Images
1. An electronic control system for a vehicle comprising:
- a sensor that provides information relating to a steering angle of a front vehicle wheel;
wherein the electronic control system uses the information provided by the sensor to determine whether a measured speed at which the steering angle of the front vehicle wheel is changing exceeds a steering relationship deadband; and
wherein the electronic control system is configured to turn a rear wheel in relation to the front wheel based on a steering relationship deadband determination.
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Abstract
An electronic control system may be used to control the steering angle of a vehicle wheel. The electronic control system may be used to determine that a measured speed that a steering angle of a wheel is changing exceeds a threshold speed. The electronic control system may be used to determine that a measured range of motion of the steering angle exceeds a threshold amount. The electronic control system may use an encoder to measure the position of a steering angle of a vehicle wheel.
169 Citations
25 Claims
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1. An electronic control system for a vehicle comprising:
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a sensor that provides information relating to a steering angle of a front vehicle wheel; wherein the electronic control system uses the information provided by the sensor to determine whether a measured speed at which the steering angle of the front vehicle wheel is changing exceeds a steering relationship deadband; and wherein the electronic control system is configured to turn a rear wheel in relation to the front wheel based on a steering relationship deadband determination. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An electronic control system for a vehicle comprising:
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a sensor that provides information relating to a steering angle of a vehicle wheel; wherein the electronic control system uses the information provided by the sensor to determine whether a measured range of motion of the steering angle exceeds a threshold amount and wherein the threshold amount is based on normal vehicle operations; and wherein normal vehicle operations are a vehicle operating condition that conforms to a predetermined vehicle operating condition. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. An electronic control system for a vehicle comprising:
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an encoder that provides information relating to a steering angle of a first vehicle drive wheel; an actuator capable of adjusting a steering angle of a second vehicle drive wheel; wherein the electronic control system uses the actuator to adjust the steering angle of the second vehicle drive wheel based on the information provided by the encoder; and wherein a learning module is configured to calculate a threshold value required to operate a cylinder. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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21. An electronic control system for a vehicle comprising:
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a sensor that provides information relating to a steering angle of a vehicle wheel; wherein the electronic control system uses the information provided by the sensor to determine whether a measured speed at which the steering angle is changing exceeds a steering relationship deadband; wherein the electronic control system is configured to turn a rear wheel in relation to a front wheel based on a steering relationship deadband determination; wherein a learning logic is configured to adjust a threshold value required to operate a cylinder based on at least one of a hydraulic fluid temperature and a vehicle weight; and wherein the learning logic adjusts the threshold value based on at least one of a first difference between a first hydraulic fluid temperature and a second hydraulic fluid temperature and a second difference between a first vehicle weight and a second vehicle weight. - View Dependent Claims (22, 23, 24, 25)
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Specification