【作者】 王福忠；

【导师】 袁世鹰；

【作者基本信息】 中国矿业大学（北京） ， 控制理论与控制工程， 2010， 博士

【摘要】 以“分段式永磁直线同步电机驱动的提升系统”为对象,主要研究了垂直运行的永磁直线同步电动机失步故障前夕的参数变化规律、故障征兆获取和该电机失步预防控制策略。在对分段式永磁直线同步电动机提升系统的基本结构和工作原理分析基础上,推导出了该电机的功率角与动子位置角的关系方程；提出了基于高频注入法的凸极式永磁直线同步电动机动子位置角测量策略,建立了高频电流-电枢电感-动子位置角之间的解析方程,并确定了电气参数的测试方法；提出了在电机动子上附加高频绕组的隐极永磁直线同步电动机动子位置角测量策略,建立了基于动子附加高频绕组的动子位置角测量数学公式；建立了分段式永磁直线同步电机失步预防双模态模糊控制算法；提出了分段式永磁直线同步电动机失步保护策略,建立了该电机的能耗制动数学模型,得到了该电机的能耗制动特性。更多还原

【Abstract】 Permanent Magnet Linear Synchronous Motor with multi-segment primary (PMLSM)driven lifting system is oriented, the parameter variation law before the vertical-moving PMLSM begins to be out-of-step, strategies of out-of-step fault symptom acquisition and prevention control are researched. Based on the analysis of the basic structure and working principle of PMLSM multi-segment primary, the relationship equation between power angle and mover position angle is derived, the mover position angle measurement strategy of the salient pole PMLSM is proposed based on high frequency injection method, an analytic equation among high-frequency current-armature inductance-mover position angle is established, and the measurment method of the electrical parameters is established, the mover position angle measurement strategy and its mathematical formula of non-salient pole PMLSM are proposed based on the additional high-frequency windings of mover, out-of-step prevention dual-mode fuzzy control algorithm of PMLSM with multi-segment primary is present, out-of-step protection strategy of PMLSM with multi-segment primary is proposed,the mathematical model of dynamic braking is established, and the dynamic braking characteristics are obtained.更多还原