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Research of Control Strategy in the Large Electric Cylinder Position Servo System

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  • Yongguang Liu
  • Xiaohui Gao
  • Xiaowei Yang

Abstract

An ideal positioning response is very difficult to realize in the large electric cylinder system that is applied in missile launcher because of the presence of many nonlinear factors such as load disturbance, parameter variations, lost motion, and friction. This paper presents a piecewise control strategy based on the optimized positioning principle. The combined application of position interpolation method and modified incremental PID with dead band is proposed and applied into control system. The experimental result confirms that this combined control strategy is not only simple to be applied into high accuracy real-time control system but also significantly improves dynamic response, steady accuracy, and anti-interference performance, which has very important significance to improve the smooth control of the large electric cylinder.

Suggested Citation

  • Yongguang Liu & Xiaohui Gao & Xiaowei Yang, 2015. "Research of Control Strategy in the Large Electric Cylinder Position Servo System," Mathematical Problems in Engineering, Hindawi, vol. 2015, pages 1-6, October.
    • Handle: RePEc:hin:jnlmpe:167628
    DOI: 10.1155/2015/167628
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