|本期目录/Table of Contents|

[1]孟范伟,何朕,王毅,等.磁悬浮系统的H∞状态反馈设计[J].电机与控制学报,2009,(02):282-286.
 MENG Fan-wei,HE Zhen,WANG Yi,et al.H∞ state feedback design of an electromagnetic suspension system[J].,2009,(02):282-286.
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磁悬浮系统的H状态反馈设计(PDF)
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
期数:
2009年02
页码:
282-286
栏目:
出版日期:
2009-03-15

文章信息/Info

Title:
H state feedback design of an electromagnetic suspension system
作者:
孟范伟; 何朕; 王毅; 周荻
哈尔滨工业大学控制科学与工程系
Author(s):
MENG Fan-wei;HE Zhen; WANG Yi; ZHOU Di
关键词:
H∞状态反馈 鲁棒性 灵敏度 磁悬浮系统
Keywords:
H∞ state feedback robustness sensitivity electromagnetic levitation system
分类号:
TP273
DOI:
-
文献标志码:
A
摘要:
理论上H∞状态反馈设计只要求解一个Riccati方程,但常会得出一种无意义的结果。提出H∞状态反馈设计还应该加一个鲁棒性约束,即灵敏度函数的峰值。增加了鲁棒约束下的设计是最佳的设计,才能得到最佳的扰动抑制性能。还指出H∞状态反馈设计中的性能指标γ和权系数都是有量纲的,并详细说明了性能指标和权系数的确定方法。以磁悬浮系统为例,对H∞状态反馈设计中的权系数进行了详细的讨论。所提出的设计思想对一般的状态反馈设计也是有益的。
Abstract:
Theoretically there is only one Riccati equation needed to be solved in the H∞ state feedback design.But this may lead to an useless result.It proposed that a robust constraint must be added to the state feedback design.The peak value of the sensitivity function can be used as the robustness index.The state feedback design in addition with a robust constraint can also provide an optimal design for the disturbance attenuation problem.It also pointed out that the performance index γ and the weighting coefficients in the H∞ state feedback are all dimensional quantities and must be determined carefully and properly.An electromagnetic levitation system was used as a design example.The selection of γ and the weighting coefficients were discussed in detail.The design idea proposed in the paper is also helpful for the general state feedback design.

参考文献/References:

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备注/Memo

备注/Memo:
国家自然科学基金(60674102);; 哈尔滨工业大学优秀青年教师培养计划(HIT.20060103)
更新日期/Last Update: 2009-07-08