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For active steering vehicle, a proper steering ratio is important to the driver's handling stability. This paper focuses on variable steering ratio. Based on the structure of double planet gear set, the relationship of steering wheel angle and motor angle is described, and the kinematic model of front wheel's additional angle is established. In order to overcome the large steering workload in low...
In this paper, we propose a yaw moment control based on fuzzy-logic controller to enhance the vehicle stability. A two-degree-of-freedom nonlinear model of the considered vehicle is briefly presented. The feedback of the yaw rate and sideslip angle are regarded as inputs of the controller. The developed controller generates the suitable steering angle so that the vehicle follows the target values...
To enhance yaw stability of the vehicle with Active Front Steering System, a vehicle two-degree-of-freedom simple model is set up. The feedback of the yaw rate is regarded as an input; we propose a yaw moment control based on fractional-order PID controller, and parameters in-line setting in the process of control is realized. The developed controller generates the suitable yaw moment so that the...
The paper is about how to evaluate the intelligent knowledge. We think that the criteria is not only distinguishing ability and accuracy of the algorithm, but also algorithm robustness, stability and so on. Besides positive characters listed above, a fair evaluation system of intelligent knowledge should also include negative characters, such as storage space, running time, training and testing time...
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