Robust multivariable feedback control
Robust multivariable feedback control
Diagnosis and Fault-Tolerant Control
Diagnosis and Fault-Tolerant Control
Reliable decentralized PID controller synthesis for two-channel MIMO processes
Automatica (Journal of IFAC)
Brief paper: Reliable stabilization with integral action in decentralized control systems
Automatica (Journal of IFAC)
Integrity of systems under decentralized integral control
Automatica (Journal of IFAC)
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This paper addresses the design of a reliable control system for a linear, asymptotically stable plant. Specifically, the considered problem consists in finding a regulator which guarantees asymptotic stability, signal tracking and disturbance rejection when all the instrumentation is operational, and ensures that these properties are preserved, to the maximum possible extent, when an arbitrary number of sensors and/or actuators faults occur, that is, some of the feedback loops open. With reference to a centralized control structure and exogenous signals with multiple poles on the imaginary axis, the paper supplies a necessary and sufficient condition for the problem to admit a solution, and a possible least order regulator.