Publication: Output-Boundary Regulation Using Event-Based Feedforward for Nonminimum-Phase Systems
Issued Date
2016-01-01
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ISSN
10636536
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2-s2.0-84941883361
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Mahidol University
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SCOPUS
Bibliographic Citation
IEEE Transactions on Control Systems Technology. Vol.24, No.1 (2016), 265-275
Suggested Citation
Arom Boekfah, Santosh Devasia Output-Boundary Regulation Using Event-Based Feedforward for Nonminimum-Phase Systems. IEEE Transactions on Control Systems Technology. Vol.24, No.1 (2016), 265-275. doi:10.1109/TCST.2015.2432153 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/40618
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Title
Output-Boundary Regulation Using Event-Based Feedforward for Nonminimum-Phase Systems
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Abstract
© 2015 IEEE. This paper seeks to bound the effects of disturbances on the output by considering an output-boundary regulation (OBR) problem. If a priori (preview) information of the disturbance is available, feedforward approaches can overcome the limits of feedback methods for nonminimum-phase systems. The main contribution of this paper is to develop a feedforward-based control approach for nonminimum-phase systems when the disturbance is not known a priori. Furthermore, the performance of the proposed approach is quantified by providing the acceptable disturbance for a given output-error bound. Simulation results for a benchmark flexible-structure example are presented to show substantial performance improvement with the proposed optimal OBR approach compared with dc-gain-based or step-input-based approaches.