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《Industry and Mine Automation》 2015-08
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Application of SOI pressure sensor to working resistance monitoring of hydraulic support

FU Dongbo;Coal Mining and Designing Department,Tiandi Science and Technology Co. , Ltd.;Mining and Design Branch,China Coal Research Institute;State Key Laboratory of Coal Mining and Clean Utilization ( China Coal Research Institute);  
In order to improve reliability of monitoring of hydraulic support working resistance, a new silicon SOI pressure sensor was developed. The sensor fuses strain meter with double-deck resistance grid and stainless steel elastomer, the control circuit uses sampling mode with constant value and time to ensure effectiveness and coherence of the data. The field application results show that the new silicon SOI pressure sensor can get accurate monitoring data and can be used to analysis of mine roof supports crushing accident.
【Fund】: 国家自然科学基金青年基金项目(51304115);; “十二五”科技支撑计划项目(2012BAB13B02-02);; 中国煤炭科工集团科技创新基金重点资助项目(2013ZD002)
【CateGory Index】: TD355.4
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