Reconfigurable Integrated Coordination Control for Multi-Wheel Distributed Vehicles

被引：0
|
作者：
Li F. [1 ]
Zhang Y. [1 ]
Wei C. [1 ]
Hu J. [1 ]
Wu W. [1 ]
机构：
[1] School of Mechanical Engineering, Beijing Institute of Technology, Beijing
来源：
Binggong Xuebao/Acta Armamentarii | 2023年 / 44卷 / 01期
关键词：
integrated coordination control; multi-wheeled distributed vehicle; reconfigurable control allocation; redistributive weighted pseudo-inverse algorithm;
D O I：
10.12382/bgxb.2022.0795
中图分类号：
学科分类号：
摘要：
The evolution of motion control technology of multi-wheel distributed independent drive platform plays an important strategic role in improving the fast maneuverability and handling stability of the special unmanned vehicles. However, at the same time, failure rate or the possibility of mutual interference of chassis active execution systems also greatly increases. To improve the performance of multi-wheel distributed drive vehicles, this paper proposed a reconfigurable integrated coordination control scheme. Considering parameter uncertainty, a sliding mode controller was introduced in the upper layer to track the reference and generate the required generalized control force. In the allocation layer, a weighted pseudo-inverse control distributor was proposed, and the configuration matrix and weight parameters were introduced to realize the model reconfiguration and adjustment of allocation target. Then the initial results were redistributed by analyzing the null-space of the control effectiveness matrix to avoid the premature saturation of the actuator. Finally, the optimal allocation from the center of gravity force vector to wheel force was completed. By setting the active executor, the implementation of the distribution target was achieved. The control distribution technology was verified by simulations and field tests based on the 6 × 6 distributed drive electric vehicle prototype. The results demonstrated the effectiveness and accuracy of the proposed method, which can achieve efficient, accurate, and stable drive distribution control of multi-wheel vehicles with improved steering stability and maneuverability. © 2023 China Ordnance Society. All rights reserved.
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页码：260 / 269
页数：9
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