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Vol. 168, Issue 4, April 2014, pp. 16-22




The Research of Time Delay of Wireless Network Control System in Coal Mine

Xiaohu ZHAO, * Min ZHANG, Chenjun HU, Qianqian ZHANG

Research Centre of the Internet of Things (Perception of Mine), China University of Mining & Technology, Xuzhou, 221006, China
* Tel.: 18361262190

E-mail: xiaohuzhao@126.com, zhang_min518@163.com, huchenjun777@gmail.com, zhangqiancumt@126.com



Received: 30 December 2013 /Accepted: 28 February 2014 /Published: 30 April 2014

Digital Sensors and Sensor Sysstems


Abstract: Widely distributed sensors, controller and actuator can be combined into WINCS for special purposes on coal mining working face of wireless network control system. It has an extremely significance for real-time monitoring of mine equipment, personnel positioning and disaster relief communications. In order to meet the most basic real-time requirement for the system based on the characteristics of coal face, this paper to improving the GPC (Generalized Predictive Control). According to the characteristics of the variable and dynamic face, the GPC controller could be set into analog mode, and analog GPC controller sends the output directly to the time delay compensator. It not only reduces the artificially added calculation but also compensates the effect of time delay on the performance of the system effectively. Finally, the simulation result shows that the improved algorithm has an apparent improvement on stability of the system, and the anti-interference ability has been improved. It can be applied to coal face of wireless network control system in theory.


Keywords: WINCS, Real-time monitoring, GPC, GPC controller, Improved algorithm, Coal face.


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