ELECTRIC POWER STEERING SYSTEM AND METHOD FOR CONTROLLING THE SAME
First Claim
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1. An electric power steering system comprising:
- an electric assist motor configured to assist steering according to a steering assist amount;
a controller configured to control the steering assist amount in accordance with an input steering force;
a first corrector configured to correct the steering assist amount with a correction amount in accordance with a steering torque during running on a cant road; and
a second corrector configured to correct the correction amount in accordance with a steering angular velocity.
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Abstract
An electric power steering system includes an electric assist motor, a controller, a first corrector, and a second corrector. The electric assist motor is configured to assist steering according to a steering assist amount. The controller is configured to control the steering assist amount in accordance with an input steering force. The first corrector is configured to correct the steering assist amount with a correction amount in accordance with a steering torque during running on a cant road. The second corrector is configured to correct the correction amount in accordance with a steering angular velocity.
22 Citations
6 Claims
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1. An electric power steering system comprising:
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an electric assist motor configured to assist steering according to a steering assist amount; a controller configured to control the steering assist amount in accordance with an input steering force; a first corrector configured to correct the steering assist amount with a correction amount in accordance with a steering torque during running on a cant road; and a second corrector configured to correct the correction amount in accordance with a steering angular velocity. - View Dependent Claims (2, 3, 4)
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5. A method for controlling an electric power steering system, the method comprising:
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assisting steering according to a steering assist amount; controlling the steering assist amount in accordance with an input steering force; correcting the steering assist amount with a correction amount in accordance with a steering torque during running on a cant road; and correcting the correction amount in accordance with a steering angular velocity.
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6. An electric power steering system comprising:
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means for assisting steering according to a steering assist amount; means for controlling the steering assist amount in accordance with an input steering force; first correct means for correcting the steering assist amount with a correction amount in accordance with a steering torque during running on a cant road; and second correcting means for correcting the correction amount in accordance with a steering angular velocity.
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Specification