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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- Korean Institute of Information Scientists and Engineers Journal of Electrical Engineering and Information Science Journal of Electrical Engineering and Information Science Vol.2 No.1
- 발행연도
- 1997.2
- 수록면
- 56 - 61 (6page)
이용수
초록· 키워드
오류제보하기
This paper develops a simple approach to balanced model reductions for unstable linear continuous-time SISO systems. First, the controllability, observability, and cross Gramians are directly obtained from the coefficients of the transfer function using the Routh army in a closed-form. Based on these Gramians, a simple algorithm is proposed to compute a reduced order model based on balancing and truncation technique for unstable systems. If the unstable system can be balanced, then the proposed algorithm gives a reduced order model which has the same number of unstable poles as the original model. This algorithm is simpler and numerically more efficient in computing the Gramians than presently existing algorithms. Thus, it can be very useful for adaptive control or model reduction of time-varying discrete-time systems.
목차
Abstract
Ⅰ. Introduction
Ⅱ. Closed-form Expressions for Gramians
Ⅲ. Reduced Order Model
Ⅳ. Conclusion
Acknowledgement
References
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