| Summary: | In view of problem that existing hydraulic support monitoring system had not realized comprehensive monitoring and evaluation of conditions of hydraulic support, evaluation model of comprehensive condition for hydraulic support was established.Through attitude sensors installed on top beam, front connecting rod and base of the support, angles between top beam and horizontal plane, front connecting rod and horizontal plane, base and horizontal plane were collected. Mining height, total length of column, total length of balance cylinder was calculated according to the evaluation model. Comprehensive evaluation of support conditions was achieved by analysis of attitude and force state of hydraulic support.
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