Design of Variable Fractional Order Differentiator Using A Modular Cascade Structure

被引：0
|
作者：
Tseng, Chien-Cheng [1 ]
Lee, Su-Ling [1 ]
机构：
[1] Natl Kaohsiung First Univ Sci & Tech, Dept Comp & Commun Engn, Kaohsiung, Taiwan
来源：
2012 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS 2012) | 2012年
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D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, a modular cascade structure is presented to design the variable fractional order differentiator (VFOD). First, a product expansion of exponential function is used to obtain a modular cascade implementation structure of VFOD. This structure is easily implemented by using only one basic modular cell. Then, the digital first order logarithm differentiator designed by the least squares method is applied to realize basic cell in the proposed structure. Finally, several numerical examples are demonstrated to show the effectiveness of the proposed VFOD design method.
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页数：4
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