1.School of Electric and Automatic Engineering, Shandong University of Science and Technology, Qingdao , China;2.Beijing Tiandi-Marco Electronic-Hydraulic Control System Company Limited, Beijing , China

为解决现有矿用液压支架测高方案智能化程度低、准确度差等问题,研究了液压支架在不同姿态下的测高方案,提出了一种基于倾角传感器的矿用液压支架测高系统设计方法,搭建了基于倾角传感器的矿用液压支架测高系统。并针对井下强烈电磁和振动干扰导致信号降质的问题,对采集到的数据进行小波分解和重构,提高了测高系统在恶劣环境下的准确性,同时从提高通信抗干扰能力,增加传输距离等方面,提出下一步研究的方向,矿用液压支架测高系统在实验室和井下进行测试试验,结果表明,在井下恶劣环境下系统测高误差在10 cm内,可以满足工作面的实际需求。

In order to solve a low intelligent degree, poor accuracy and other problems of the available mine height measuring plan for the hydraulic powered support, a height measuring plan of the hydraulic powered support under different attitude was studied, a design method of height measuring system based on inclination sensor was provided for the mine hydraulic powered support and the height measuring system of the mine hydraulic powered support was established based on the inclined sensor. And according to the strong electromagnetic and vibration interference caused the signal degradation problem in the underground mine, the wavelet decomposition and reconstruction were conducted on the collected data and the accuracy of the height measuring system was improved under the harsh environment. Meanwhile,from the aspects to improve the anti-interference capability of the communication, to increase the transmission distance and others, the further study orientation was provided. The height measuring system of the mine hydraulic powered support was tested in the lab and the underground mine. The results showed that under the harsh environment, the error of the height measuring system was within 10 cm and could meet the actual requirements of the coal mining face.

国家高技术研究发展计划(863计划)资助项目(2013AA06A410)；中国煤炭科工集团科技创新基金资助项目(2017QN010)；煤炭科学研究总院科技创新基金资助项目(2016ZYQN004)；