Tuning of fault tolerant control design parameters

• Published in: ISA transactions 2008, Vol.47 (1), p.127-142
• Main Authors: DeLima, Pedro G., Yen, Gary G.
• Format: Article
• Language: English
• Subjects: Adaptive critics; Algorithms; Applied sciences; Computer science; control theory; systems; Computer Simulation; Control system synthesis; Control theory. Systems; Exact sciences and technology; Fault detection and diagnosis; Fault tolerant control; General equipment and techniques; Industry - statistics & numerical data; Instruments, apparatus, components and techniques common to several branches of physics and astronomy; Linear Models; Modelling and identification; Physics; Quality Control; Servo and control equipment; robots; Tuning and adaptation
• ISSN: 0019-0578; 1879-2022
• DOI: 10.1016/j.isatra.2007.09.002

This paper presents two major contributions in the field of fault tolerant control. First, it gathers points of concern typical to most fault tolerant control applications and translates the chosen performance metrics into a set of six practical design specifications. Second, it proposes initialization and tuning procedures through which a particular fault tolerant control architecture not only can be set to comply with the required specifications, but also can be tuned online to compensate for a total of twelve properties, such as the noise rejection levels for fault detection and diagnosis signals. The proposed design is realized over a powerful architecture that combines the flexibility of adaptive critic designs with the long term memory and learning capabilities of a supervisor. This paper presents a practical design procedure to facilitate the applications of a fundamentally sound fault tolerant control architecture in real-world problems.