Improved disturbance rejection for predictor-based control of MIMO linear systems with input delay

Shang Shi, Wenhui Liu, Junwei Lu and Yuming Chu

International Journal of Systems Science, 2018, vol. 49, issue 3, 653-661

Abstract: In this paper, we are concerned with the predictor-based control of multi-input multi-output (MIMO) linear systems with input delay and disturbances. By taking the future values of disturbances into consideration, a new improved predictive scheme is proposed. Compared with the existing predictive schemes, our proposed predictive scheme can achieve a finite-time exact state prediction for some smooth disturbances including the constant disturbances, and a better disturbance attenuation can also be achieved for a large class of other time-varying disturbances. The attenuation of mismatched disturbances for second-order linear systems with input delay is also investigated by using our proposed predictor-based controller.

Date: 2018
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DOI: 10.1080/00207721.2017.1418032

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