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

Yongguang Liu, Xiaohui Gao and Xiaowei Yang

Mathematical Problems in Engineering, 2015, vol. 2015, 1-6

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.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:167628

DOI: 10.1155/2015/167628

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