Vehicle motion control device
First Claim
1. A vehicle motion control device comprising:
- a controllable variable operational unit to operate a value of a yaw moment required for controlling and operate controllable variables including at least the yaw moment; and
a vehicle behavior control unit to control vehicle behaviors based on the controllable variables;
wherein the controllable variable operational unit operates a reference lateral acceleration from at least a lateral acceleration to be operated based on a linear vehicle motion model from a driving state of the vehicle and a preset coefficient according to the driving state of the vehicle, and uses difference between the reference lateral acceleration and the actual lateral acceleration for a correction value of the value of the yaw moment.
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Accused Products
Abstract
A transfer clutch control units operates a second transfer clutch torque corresponding to a yaw moment out of the transfer clutch torque to be output to a transfer clutch drive unit by a second transfer clutch torque operational unit. The second transfer clutch torque operational unit operates a reference lateral acceleration from a lateral acceleration to be operated based on a linear vehicle motion model from a vehicle driving state and a preset coefficient according to the vehicle driving state, in addition to the yaw moment sensing the yaw rate and the yaw moment sensing the steering wheel angle, and operate the yaw moment corresponding to the deviation between the reference lateral acceleration and the actual lateral acceleration as a corrected value of the yaw moment. Not only a high μ road but also a low μ road, even abrupt change of road surfaces or the like can be consistently and optimally coped with in excellent response.
10 Citations
20 Claims
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1. A vehicle motion control device comprising:
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a controllable variable operational unit to operate a value of a yaw moment required for controlling and operate controllable variables including at least the yaw moment; and
a vehicle behavior control unit to control vehicle behaviors based on the controllable variables;
wherein the controllable variable operational unit operates a reference lateral acceleration from at least a lateral acceleration to be operated based on a linear vehicle motion model from a driving state of the vehicle and a preset coefficient according to the driving state of the vehicle, and uses difference between the reference lateral acceleration and the actual lateral acceleration for a correction value of the value of the yaw moment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification