Reduced-Order Modeling of Commensurate Fractional-Order Systems

被引：0
|
作者：
Saxena, Sahaj [1 ]
Hote, Yogesh V. [1 ]
Arya, Pushkar Prakash [1 ]
机构：
[1] Indian Inst Technol Roorkec, Dept Elect Engn, Roorkee 247667, Uttar Pradesh, India
来源：
2016 14TH INTERNATIONAL CONFERENCE ON CONTROL, AUTOMATION, ROBOTICS AND VISION (ICARCV) | 2016年
关键词：
Model order reduction; optimization; transfer function; step response; Bode plot; REDUCTION;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper proposes a new method of finding reduced-order model of a commensurate fractional-order (FO) system. The FO system is first converted to integer-order (IO) and then a mixed method of model-order reduction (MOR) scheme is applied. In this scheme, the denominator is obtained using time-moment matching method and the numerator is determined using the recently developed big bang-big crunch (BB-BC) optimization algorithm. This formulated reduced-order model is reconverted into its commensurate form of FO model. Three examples are presented to validate and illustrate the efficacy of the proposed approach.
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页数：6
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