Adaptive Formation Keeping and Interception of Autonomous Surface Vehicles with Partial Actuator Faults

2021 ◽  
pp. 1531-1541
Author(s):  
Yu Lu ◽  
Xiaotong Cheng ◽  
Rong Luo ◽  
Weidong Zhang
Keyword(s):  
Actuator Faults ◽  
Autonomous Surface Vehicles ◽  
Formation Keeping

Robust adaptive formation tracking of autonomous surface vehicles with guaranteed performance and actuator faults

2021 ◽  
Vol 237 ◽  
pp. 109592
Author(s):  
Yu Lu ◽  
Xinli Xu ◽  
Lei Qiao ◽  
Weidong Zhang
Keyword(s):  
Actuator Faults ◽  
Autonomous Surface Vehicles ◽  
Formation Tracking ◽  
Robust Adaptive

scholarly journals Adaptive fault tolerant control against actuator faults

2016 ◽  
Vol 31 (2) ◽  
pp. 147-162 ◽  
Author(s):  
Qikun Shen ◽  
Bin Jiang ◽  
Peng Shi
Keyword(s):  
Fault Tolerant ◽  
Fault Tolerant Control ◽  
Actuator Faults

scholarly journals A Robust Fault-Tolerant Predictive Control for Discrete-Time Linear Systems Subject to Sensor and Actuator Faults

Sensors ◽  
2021 ◽  
Vol 21 (7) ◽  
pp. 2307
Author(s):  
Sofiane Bououden ◽  
Ilyes Boulkaibet ◽  
Mohammed Chadli ◽  
Abdelaziz Abboudi
Keyword(s):  
Model Predictive Control ◽  
Linear Systems ◽  
Predictive Control ◽  
Robust Stability ◽  
Discrete Time ◽  
Fault Tolerant ◽  
Linear Matrix ◽  
Input Constraints ◽  
Actuator Faults ◽  
Time Linear

In this paper, a robust fault-tolerant model predictive control (RFTPC) approach is proposed for discrete-time linear systems subject to sensor and actuator faults, disturbances, and input constraints. In this approach, a virtual observer is first considered to improve the observation accuracy as well as reduce fault effects on the system. Then, a real observer is established based on the proposed virtual observer, since the performance of virtual observers is limited due to the presence of unmeasurable information in the system. Based on the estimated information obtained by the observers, a robust fault-tolerant model predictive control is synthesized and used to control discrete-time systems subject to sensor and actuator faults, disturbances, and input constraints. Additionally, an optimized cost function is employed in the RFTPC design to guarantee robust stability as well as the rejection of bounded disturbances for the discrete-time system with sensor and actuator faults. Furthermore, a linear matrix inequality (LMI) approach is used to propose sufficient stability conditions that ensure and guarantee the robust stability of the whole closed-loop system composed of the states and the estimation error of the system dynamics. As a result, the entire control problem is formulated as an LMI problem, and the gains of both observer and robust fault-tolerant model predictive controller are obtained by solving the linear matrix inequalities (LMIs). Finally, the efficiency of the proposed RFTPC controller is tested by simulating a numerical example where the simulation results demonstrate the applicability of the proposed method in dealing with linear systems subject to faults in both actuators and sensors.

Active fault tolerant control of turbofan engines with actuator faults under disturbances

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Yan-Hua Ma ◽  
Xian Du ◽  
Lin-Feng Gou ◽  
Si-Xin Wen
Keyword(s):  
Active Fault ◽  
Fault Tolerant ◽  
Fault Tolerant Control ◽  
Feedback Controller ◽  
Actuator Faults ◽  
Error Feedback ◽  
Turbofan Engine ◽  
Turbofan Engines ◽  
Interval Observer ◽  
State Error

AbstractIn this paper, an active fault-tolerant control (FTC) scheme for turbofan engines subject to simultaneous multiplicative and additive actuator faults under disturbances is proposed. First, a state error feedback controller is designed based on interval observer as the nominal controller in order to achieve the model reference rotary speed tracking control for the fault-free turbofan engine under disturbances. Subsequently, a virtual actuator based reconfiguration block is developed aiming at preserving the consistent performance in spite of the occurrence of the simultaneous multiplicative and additive actuator faults. Moreover, to improve the performance of the FTC system, the interval observer is slightly modified without reconstruction of the state error feedback controller. And a theoretical sufficiency criterion is provided to ensure the stability of the proposed active FTC system. Simulation results on a turbofan engine indicate that the proposed active FCT scheme is effective despite of the existence of actuator faults and disturbances.

scholarly journals Adaptive Fuzzy Output-Constrained Control of Uncertain MISO Nonlinear Systems With Actuator Faults

2020 ◽  
Vol 53 (2) ◽  
pp. 13739-13744
Author(s):  
Zhengwei Ruan ◽  
Qinmin Yang
Keyword(s):  
Nonlinear Systems ◽  
Constrained Control ◽  
Actuator Faults ◽  
Adaptive Fuzzy
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