中国机械工程Issue(15)：2103-2108,6.DOI:10.3969/j.issn.1004132X.2015.15.020
迈步式超前支护过渡过程的支撑力控制策略
Suporting Force Control Strategy of Transition Process for Steppingtype Advanced Supporting Equipment
摘要
Abstract
To solve the problem of fluctuations of supporting force during transition process and improve the efficiency of support,using advanced electrohydraulic proportional control technology, combining theoretical basis of valve control cylinder,a control strategy was put forward,that used spool displacement of the direction valve to control supporting force of cylinder groups.For the electrohydraulic system of advanced supporting equipment,the mathematical model and simulation model of control system were established.The system simulation was carried out by AMESim software,the control effect of different control spool displacement curves was analyzed during supporting rack up and down.The results show that the spool displacement control curve that studys on volume increG ment principle is conform to the requirements of the actual working conditions.Combining experimenG tal study of the prototype,the control law of experiments and simulation was analyzed and the reasonG ableness of the control strategy was verified.关键词
迈步式超前支护/过渡过程/支撑力控制/仿真Key words
steppingtype advanced supporting equipment/transition process/control of support- ing force/simulation分类
通用工业技术引用本文复制引用
毛君,杨振华,卢进南,谢苗..迈步式超前支护过渡过程的支撑力控制策略[J].中国机械工程,2015,(15):2103-2108,6.基金项目
国家自然科学基金资助项目(51304107) （51304107）
辽宁省教育厅创新团队资助项目(LT2013009) （LT2013009）
