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以矿井提升系统中柔性钢丝绳的纵向振动为研究对象,考虑钢丝绳刚性运动与变形运动的相互影响,应用Hamliton原理建立变长度提升系统钢丝绳的运动方程。同时,设计出在预定加速时间内,既使系统达到预定的运动状态,又使其振动大幅度减小的变结构控制算法。仿真结果表明,这种方法明显地降低了系统的振动幅度,为矿井提升系统钢丝绳纵向振动特性的进一步分析提供了依据。
Taking the longitudinal vibration of the flexible steel wire rope in mine hoisting system as the research object, the interaction between the rigid wire rope motion and the deformation motion was considered. The Hamliton principle was used to establish the motion equation of the wire rope with variable length hoisting system. At the same time, a variable structure control algorithm is designed to reduce the vibration greatly even if the system reaches the predetermined state of motion within the predetermined acceleration time. The simulation results show that this method significantly reduces the vibration amplitude of the system and provides a basis for further analysis of the longitudinal vibration characteristics of steel wire rope hoisting system.