A Suggestion of Fractional-Order Controller for Flexible Spacecraft Attitude Control

被引：10

作者：

Shunji Manabe

机构：

来源：

Nonlinear Dynamics | 2002年 / 29卷

关键词：

partial differential equation; fractional-order control; flexible structure; spacecraft;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A controller design method for flexible spacecraft attitude control isproposed. The system is first described by partial differential equationwith internal damping. Then the frequency response is analyzed, and thethree basic characteristics of the flexible system, namely, averagefunction, lower bound and upper bound are defined. On this basis, afractional-order controller is proposed, which functions as phasestabilization control for lower frequency and smoothly enters toamplitude stabilization at higher frequency by proper amplitudeattenuation. It is shown that the equivalent damping ratio increases inproportion to the square of frequency.

引用

页码：251 / 268

页数：17

共 15 条

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[6] Manabe S.(1962)The system design by the use of a model consisting of a saturation and non-integer integrals Journal of Institute of Electrical Engineers of Japan 82 1731-1740
[7] Takeda H.(1959)The effects of mechanical resonance systems on control loop Journal of Institute of Electrical Engineers of Japan 79 611-618
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[10] Bernstein D. S.(1999)Fractional-order systems and PI IEEE Transaction of Automatic Control 44 208-216

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