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无刷直流电机H_∞鲁棒PI控制 被引量:5

BLDCM robust PI controller based on H_∞ design
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摘要 对无刷直流电机系统鲁棒控制问题进行研究。提出无刷直流电机系统保证鲁棒稳定且满足一定带宽的鲁棒性能设计方法;该问题可以在H∞控制框架之下,通过选择权函数进行处理。给出鲁棒性能设计中,将性能权函数的选取直接与系统带宽相联系的选择方法,讨论基于带宽的无刷直流电机系统鲁棒性能设计权函数的选择,求解H∞鲁棒PI控制器。与文献常规H∞设计方法进行了比较,指出本文设计的H∞鲁棒控制系统,在满足PI控制器结构形式简单、易于调整,同样快速性的情况下,超调量小,控制量幅值小,不用增加现有设备的投资。仿真结果表明:本文设计的无刷直流电机控制系统具有较好的鲁棒性能。 H∞ Robust control problem of a BLDCM was studied.It is pointed out that the BLDCM control problem is really a H∞ robust performance design problem,and can be converted to H∞ robust stability and performance requirements.It is also suggested that the design of the BLDCM H∞ robust performance can be formulated as a H∞ control problem,if the uncertainty weighting function and the performance weighting function to system bandwidth and disturbance attenuation are revised and optimized appropriately.It is shown that the selection of performance weighting function is directly associated with the system bandwidth.The BLDCM H∞ robust PI controllers are solved.Compared with conventional H∞ design method,it points out that for the BLDCM H∞ robust control system designed,the PI controller structure is simple,easy to adjust,small overshoot and without increasing the cost for existing equipment.The design of the BLDCM control system has good robust performance.
出处 《中南大学学报(自然科学版)》 EI CAS CSCD 北大核心 2013年第S1期87-91,共5页 Journal of Central South University:Science and Technology
基金 北京德才义国际文化科技创新项目(DCY2012010008)
关键词 无刷直流电机 H∞控制 PI控制器 BLDCM H∞ control PI controller
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参考文献7

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