期刊
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
卷 63, 期 11, 页码 7029-7039出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIE.2016.2585559
关键词
Data-driven methods; digital proportional-integral-derivative (PID) controller; fault detection; fault-tolerant control (FTC); output-feedback control
资金
- National Natural Science Foundation of China [61273148, 61273155, 61420106016]
- Research Fund through the State Key Laboratory of Synthetical Automation for Process Industries [2013ZCX01]
For digital proportional-integral-derivative control systems with unknown dynamics, the data-driven output-feedback fault-tolerant control (FTC) problem is studied in this paper. In a framework of active FTC, the issue of online recursive identification of the residual generator, the state observer, and the observability canonical form of the plant under consideration is addressed; the problem of reconfiguration of the data-driven fault-tolerant compensation controller with L-2-gain properties is also dealt with by means of the above-obtained results, the prefilter and the Riccati equation related to H-infinity control so as to accommodate faults and ensure tracking performance. The resulting fault-tolerant compensation control scheme is designed based on the closed-loop systems, and therefore has more practical significance than the existing FTC methodologies developed in terms of the open-loop systems. Finally, the effectiveness of the proposed FTC approach is validated by the speed control experiment on a dc motor.
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