Fault-Tolerant Control Redesign for Noisy High-Order Fully Actuated Systems
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View abstract on PubMed
Summary
This summary is machine-generated.This study introduces two fault-tolerant control (FTC) frameworks for high-order fully actuated systems (HOFASs). A novel FTC redesign effectively suppresses measurement noise and enhances fault compensation for improved system performance.
Area Of Science
- Control Systems Engineering
- Fault-Tolerant Control
- System Dynamics
Background
- High-order fully actuated systems (HOFASs) are susceptible to actuator faults, sensor faults, and measurement noise.
- Existing fault-tolerant control (FTC) methods may have limitations in noise suppression and fault compensation accuracy.
Purpose Of The Study
- To develop and evaluate two novel FTC frameworks for HOFASs.
- To address actuator faults, sensor faults, and measurement noise simultaneously.
- To improve the performance and robustness of control systems.
Main Methods
- Analysis of observable architectures for fault detection and isolation.
- Compensation of actuator faults using fusion observers.
- Rejection of sensor faults via redundant observability.
- Application of a dead-zone fusion observation strategy for noise suppression.
Main Results
- The first FTC framework achieves ultimately uniformly bounded (UUB) error systems.
- The redesigned FTC framework with dead-zone fusion observation demonstrates superior noise suppression, particularly in linear HOFAS models.
- Experimental validation confirms improved trajectory tracking and noise suppression capabilities.
Conclusions
- The proposed FTC frameworks offer effective solutions for fault tolerance in HOFASs.
- The novel FTC redesign significantly enhances measurement noise suppression.
- The developed methods provide robust control performance in the presence of various system uncertainties.
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