Researching Motion Control Strategy for Visual AGV
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摘要: 为了解决视觉AGV路径跟踪存在较严重的抖振问题,提出了一种免疫粒子群算法,通过其对滑模控制律参数进行优化,以达到更加精确、稳定地运动控制要求。介绍了基本粒子群算法,并引入免疫机理对其进行改进;分析了视觉AGV运动学模型,并设计了离散滑模控制律;在MATLAB软件中分别对直线、圆周两种轨迹进行了仿真。仿真试验证明:优化后的滑模控制器性能得到明显地提高,最大侧向偏差可以控制在0.038 m以内。Abstract: In order to solve the severe buffeting problems of path tracking for visual automated guided vehicle (AGV), an immune particle swarm optimization method is presented to optimize the parameters of sliding mode control law to satisfy achieve more accurate and stable control requirements. Firstly, this paper describes the basic particle swarm optimization and improves it with the introduction of immune mechanism. Then the kinematics model of the visual AGV is analyzed and discrete sliding mode control law is designed. Finally, the simulation of straight-line path and circular path is made with the MATLAB software. The simulation results show that the performance of optimized sliding mode controller is significantly improved.
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Key words:
- automated guided vehicle (AGV) /
- computer simulation /
- controllers /
- design
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