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Monitoring and handling of actuator faults in a distributed model predictive control system

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5 Author(s)
Chilin, D. ; Dept. of Chem. & Biomol. Eng., Univ. of California, Los Angeles, CA, USA ; Jinfeng Liu ; Muñoz de la Peña, D. ; Christofides, P.D.
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In this work, we focus on monitoring and handling of actuator faults in a distributed model predictive control (DMPC) system to maintain operation at a desired steady state in the presence of control actuator faults. A model-based fault detection (FD) system is designed which detects the actuator faults in the closed-loop system and suitable strategies are devised for how to reconfigure the algorithms in the DMPC system to account for the faults and maintain stability of the closed-loop system. A chemical process example, consisting of two continuous stirred tank reactors (CSTR) and a flash tank separator with a recycle stream, is used to demonstrate the approach.

Published in:

American Control Conference (ACC), 2010

Date of Conference:

June 30 2010-July 2 2010