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Decentralized Fault Detection and Fault-Tolerant Control for Nonlinear Interconnected Systems
| Content Provider | MDPI |
|---|---|
| Author | Zhou, Shun Bai, Jianjun Wu, Feng |
| Copyright Year | 2021 |
| Description | The nonlinear interconnected system is a complex and important system in daily production and life in general. Due to the interconnection influence between subsystems and external disturbance factors, the system is prone to failure. For this kind of system, a decentralized fault detection and fault tolerant control method is proposed here. Compared with the traditional control scheme, this paper designs a subsystem communication protocol to reduce the information exchange between subsystems. Based on this communication protocol, a fault detection scheme is then designed. Due to the existence of a fault detection threshold in this scheme, the system can detect the fault in time without missing it or having a false alarm. Under the assumed condition, the adaptive control rate is obtained by establishing the adaptive approximation model to approximate the upper bound of the fault, and the subsystem adaptively adjusts the control rate according to the fault condition, so that the system can quickly recover to stability. Finally, a simulation program is used to verify the proposed method. |
| Starting Page | 591 |
| e-ISSN | 22279717 |
| DOI | 10.3390/pr9040591 |
| Journal | Processes |
| Issue Number | 4 |
| Volume Number | 9 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2021-03-29 |
| Access Restriction | Open |
| Subject Keyword | Processes Industrial Engineering Interconnection Influence Decentralized Fault Detection Fault-tolerant Control Communication Protocol |
| Content Type | Text |
| Resource Type | Article |
