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Multi-axle dynamic steering system of truck-howitzer |
| LI Yanliang, GAO Xiuhua, ZHANG Chunqiu, SUN Yubo |
| College of Mechanical Science and Engineering, Jilin University; |
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Abstract A two-degree-of-freedom (2-DOF) steering model of multi-axle vehicle was established. The steering center position, the relationship between the steering angle and the vehicle velocity, and the minimum turn radius were deduced on the basis of the proportional control with a zero sideslip angle. Results indicate that the system stability is decided by the vehicle barycenter position and the lateral stiffness of a tire. Under this control, the steady value of the lateral acceleration is obviously diminished and the yaw angular velocity changes little under any vehicle velocity. The system rapidly responds, the vehicle smoothly steers, and its handling stability is prominently improved.
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Issue Date: 05 March 2008
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