Fault-Tolerant Control for Systems With Model Uncertainty and Multiplicative Faults
研究了线性系统在模型不确定性和乘性故障下的容错控制问题，采用互质分解技术建模，设计故障检测与容错控制方案，并通过直流电机案例验证有效性。
This paper addresses fault-tolerant control (FTC) issues for linear systems with model uncertainty and multiplicative faults. The left and right coprime factorization techniques are first adopted for system modeling. Then, the fault detection (FD) approaches are investigated in the coprime factorization context. Based on the information provided by the FD systems, the corresponding FTC architectures and design schemes are presented. Moreover, the gap metric techniques are applied to fault detectability analysis, including the fault detectability indicators to quantify the detection performance in the presence of model uncertainty. The effectiveness of the developed methods for industrial application is illustrated by a case study on a dc motor.