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LIU Qingguo, CAO Peng. Improved memory program control strategy of height adjustment of shearer roller[J]. Journal of Mine Automation, 2017, 43(1): 34-37. DOI: 10.13272/j.issn.1671-251x.2017.01.009
Citation: LIU Qingguo, CAO Peng. Improved memory program control strategy of height adjustment of shearer roller[J]. Journal of Mine Automation, 2017, 43(1): 34-37. DOI: 10.13272/j.issn.1671-251x.2017.01.009
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Improved memory program control strategy of height adjustment of shearer roller

  • CCTEG Shanghai Research Institute, Shanghai 200030， China

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  • In order to improve accuracy of height adjustment of shearer roller, static height adjustment model of shearer roller was given, relationship between response time of hydraulic height adjustment system and memory program control strategy was analyzed, and improved memory program control strategy which considered response time of hydraulic system was proposed. The improved strategy simplifies roller height variation to linear variation, can avoid phenomenon of cutting roof during process of roller height adjustment. It improves cutting safety, and has advantages of simple algorithm and high adjustment precision.
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