Trailer backup assist system with off-shoot correction
First Claim
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1. A trailer backup assist system for a vehicle reversing a trailer, comprising:
- a rotatable knob for controlling a desired curvature; and
a controller in communication with the knob and configured to generate a steering command for the vehicle to guide the vehicle and trailer onto a straight path wherein the controller determines the straight path based on a heading of the trailer at the moment the knob is released from a commanded position.
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Abstract
A trailer backup assist system for a vehicle reversing a trailer is provided herein. The system includes a steering input device for controlling a desired curvature. A controller is in communication with the steering input device and is configured to generate steering command for the vehicle to guide the vehicle and trailer onto a straight path when a straight backup request is initiated via the steering input device.
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Citations
12 Claims
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1. A trailer backup assist system for a vehicle reversing a trailer, comprising:
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a rotatable knob for controlling a desired curvature; and a controller in communication with the knob and configured to generate a steering command for the vehicle to guide the vehicle and trailer onto a straight path wherein the controller determines the straight path based on a heading of the trailer at the moment the knob is released from a commanded position. - View Dependent Claims (2, 3, 4, 5)
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6. A trailer backup assist system for a vehicle reversing a trailer, comprising:
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a rotatable knob for controlling a desired curvature; and a controller in communication with the knob and configured to generate a steering command for the vehicle to correct for off-shoot when a straight backup request is initiated by releasing the knob from a commanded position, wherein the controller determines a straight path based on a heading of the trailer at the moment the knob is released. - View Dependent Claims (7, 8, 9, 10)
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11. A method for steering a vehicle reversing a trailer, comprising the steps of:
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providing a rotatable knob for controlling a desired curvature; sensing if an external force is applied to the knob; generating a steering command for the vehicle to correct for off-shoot when a straight backup request is initiated by releasing the knob from a commanded position; and determining a straight path based on the heading of the trailer at the moment the knob is released from the commanded position, wherein the steering command guides the vehicle and trailer along a corrective path that merges with the straight path. - View Dependent Claims (12)
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Specification