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- Title
A novel k-step fault estimation and fault-tolerant control scheme in wireless power transfer systems.
- Authors
Hua, Xingxing; Dai, Xin; Sun, Shaoxin; Sun, Yue
- Abstract
This paper proposes a novel incipient fault estimation and fault-tolerant control approach for wireless power transfer (WPT) systems with disturbances and incipient sensor faults. Firstly, the dynamic models of the WPT system and incipient faults are established. Then, a k-step incipient fault estimation observer method is analyzed for estimating the states and incipient faults of the system. Based on it, a nonlinear dynamic output feedback fault-tolerant controller is devised to ensure the stability of the WPT system when considering incipient faults and disturbances. Further, the designed controller can monitor the system in real time without the knowledge of the system states. Besides, the stability analysis approach is rigorous, and the proof method can also apply to other similar systems. At last, the simulation example shows that the proposed fault diagnosis method is correct and effective.
- Subjects
WIRELESS power transmission; FAULT-tolerant control systems; FAULT diagnosis; ADAPTIVE control systems; FAULT-tolerant computing; ADAPTIVE fuzzy control
- Publication
Neural Computing & Applications, 2024, Vol 36, Issue 15, p8843
- ISSN
0941-0643
- Publication type
Article
- DOI
10.1007/s00521-024-09515-2