Event-Triggered Fault Estimation and Fault Tolerance for Cyber-Physical Systems with False Data Injection Attacks
This paper investigates an event-triggered framework for addressing fault estimation and fault tolerance issues in discrete-time cyber-physical systems (CPSs) with partial state saturations and random false data injection attacks (FDIAs). A stochastic variable is introduced to characterize the rando...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2023-05-01
|
| Series: | Actuators |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2076-0825/12/5/197 |
| _version_ | 1797818851100983296 |
|---|---|
| author | Yunji Li Wenzhuo Zhou Yajun Wu |
| author_facet | Yunji Li Wenzhuo Zhou Yajun Wu |
| author_sort | Yunji Li |
| collection | DOAJ |
| description | This paper investigates an event-triggered framework for addressing fault estimation and fault tolerance issues in discrete-time cyber-physical systems (CPSs) with partial state saturations and random false data injection attacks (FDIAs). A stochastic variable is introduced to characterize the random FDIAs and to establish the corresponding model. A reduced-order fault estimator and an event condition are co-derived to reconstruct system states and actuator faults. The proposed event-triggered transmission scheme helps reduce network utilization in the sensor-to-estimator channel. A sufficient condition for the proposed event-triggered estimator is derived, which minimizes state and fault estimation errors even when the controlled plants are subject to exogenous disturbances, fault signals, and random attacks. Furthermore, a fault-tolerant compensation controller is proposed using the estimated states and faults, ensuring that the considered systems achieve mean-squared stability. Finally, a DC motor platform is developed to further demonstrate the effectiveness of the designed estimator-based fault-tolerant controller. |
| first_indexed | 2024-03-13T09:14:13Z |
| format | Article |
| id | doaj.art-78916aaaec2d40cba1280c70f2836b64 |
| institution | Directory Open Access Journal |
| issn | 2076-0825 |
| language | English |
| last_indexed | 2024-03-13T09:14:13Z |
| publishDate | 2023-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Actuators |
| spelling | doaj.art-78916aaaec2d40cba1280c70f2836b642023-05-26T13:20:24ZengMDPI AGActuators2076-08252023-05-011219719710.3390/act12050197Event-Triggered Fault Estimation and Fault Tolerance for Cyber-Physical Systems with False Data Injection AttacksYunji Li0Wenzhuo Zhou1Yajun Wu2Jiangsu Provincial Sensor Network Engineering Technology Research Center, Wuxi Institute of Technology, Wuxi 214121, ChinaJiangsu Provincial Sensor Network Engineering Technology Research Center, Wuxi Institute of Technology, Wuxi 214121, ChinaAnhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, ChinaThis paper investigates an event-triggered framework for addressing fault estimation and fault tolerance issues in discrete-time cyber-physical systems (CPSs) with partial state saturations and random false data injection attacks (FDIAs). A stochastic variable is introduced to characterize the random FDIAs and to establish the corresponding model. A reduced-order fault estimator and an event condition are co-derived to reconstruct system states and actuator faults. The proposed event-triggered transmission scheme helps reduce network utilization in the sensor-to-estimator channel. A sufficient condition for the proposed event-triggered estimator is derived, which minimizes state and fault estimation errors even when the controlled plants are subject to exogenous disturbances, fault signals, and random attacks. Furthermore, a fault-tolerant compensation controller is proposed using the estimated states and faults, ensuring that the considered systems achieve mean-squared stability. Finally, a DC motor platform is developed to further demonstrate the effectiveness of the designed estimator-based fault-tolerant controller.https://www.mdpi.com/2076-0825/12/5/197fault estimation and toleranceevent-triggered transmissionstate saturationsfalse data injection attacks |
| spellingShingle | Yunji Li Wenzhuo Zhou Yajun Wu Event-Triggered Fault Estimation and Fault Tolerance for Cyber-Physical Systems with False Data Injection Attacks Actuators fault estimation and tolerance event-triggered transmission state saturations false data injection attacks |
| title | Event-Triggered Fault Estimation and Fault Tolerance for Cyber-Physical Systems with False Data Injection Attacks |
| title_full | Event-Triggered Fault Estimation and Fault Tolerance for Cyber-Physical Systems with False Data Injection Attacks |
| title_fullStr | Event-Triggered Fault Estimation and Fault Tolerance for Cyber-Physical Systems with False Data Injection Attacks |
| title_full_unstemmed | Event-Triggered Fault Estimation and Fault Tolerance for Cyber-Physical Systems with False Data Injection Attacks |
| title_short | Event-Triggered Fault Estimation and Fault Tolerance for Cyber-Physical Systems with False Data Injection Attacks |
| title_sort | event triggered fault estimation and fault tolerance for cyber physical systems with false data injection attacks |
| topic | fault estimation and tolerance event-triggered transmission state saturations false data injection attacks |
| url | https://www.mdpi.com/2076-0825/12/5/197 |
| work_keys_str_mv | AT yunjili eventtriggeredfaultestimationandfaulttoleranceforcyberphysicalsystemswithfalsedatainjectionattacks AT wenzhuozhou eventtriggeredfaultestimationandfaulttoleranceforcyberphysicalsystemswithfalsedatainjectionattacks AT yajunwu eventtriggeredfaultestimationandfaulttoleranceforcyberphysicalsystemswithfalsedatainjectionattacks |