# Actuator fault tolerance in control systems with predictive constrained set-point optimizers

Piotr M. Marusak; Piotr Tatjewski

International Journal of Applied Mathematics and Computer Science (2008)

- Volume: 18, Issue: 4, page 539-551
- ISSN: 1641-876X

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topPiotr M. Marusak, and Piotr Tatjewski. "Actuator fault tolerance in control systems with predictive constrained set-point optimizers." International Journal of Applied Mathematics and Computer Science 18.4 (2008): 539-551. <http://eudml.org/doc/207906>.

@article{PiotrM2008,

abstract = {Mechanisms of fault tolerance to actuator faults in a control structure with a predictive constrained set-point optimizer are proposed. The structure considered consists of a basic feedback control layer and a local supervisory set-point optimizer which executes as frequently as the feedback controllers do with the aim to recalculate the set-points both for constraint feasibility and economic performance. The main goal of the presented reconfiguration mechanisms activated in response to an actuator blockade is to continue the operation of the control system with the fault, until it is fixed. This may be even long-term, if additional manipulated variables are available. The mechanisms are relatively simple and consist in the reconfiguration of the model structure and the introduction of appropriate constraints into the optimization problem of the optimizer, thus not affecting the numerical effectiveness. Simulation results of the presented control system for a multivariable plant are provided, illustrating the efficiency of the proposed approach.},

author = {Piotr M. Marusak, Piotr Tatjewski},

journal = {International Journal of Applied Mathematics and Computer Science},

keywords = {fault-tolerant control; model predictive control; set-point optimization; nonlinear systems},

language = {eng},

number = {4},

pages = {539-551},

title = {Actuator fault tolerance in control systems with predictive constrained set-point optimizers},

url = {http://eudml.org/doc/207906},

volume = {18},

year = {2008},

}

TY - JOUR

AU - Piotr M. Marusak

AU - Piotr Tatjewski

TI - Actuator fault tolerance in control systems with predictive constrained set-point optimizers

JO - International Journal of Applied Mathematics and Computer Science

PY - 2008

VL - 18

IS - 4

SP - 539

EP - 551

AB - Mechanisms of fault tolerance to actuator faults in a control structure with a predictive constrained set-point optimizer are proposed. The structure considered consists of a basic feedback control layer and a local supervisory set-point optimizer which executes as frequently as the feedback controllers do with the aim to recalculate the set-points both for constraint feasibility and economic performance. The main goal of the presented reconfiguration mechanisms activated in response to an actuator blockade is to continue the operation of the control system with the fault, until it is fixed. This may be even long-term, if additional manipulated variables are available. The mechanisms are relatively simple and consist in the reconfiguration of the model structure and the introduction of appropriate constraints into the optimization problem of the optimizer, thus not affecting the numerical effectiveness. Simulation results of the presented control system for a multivariable plant are provided, illustrating the efficiency of the proposed approach.

LA - eng

KW - fault-tolerant control; model predictive control; set-point optimization; nonlinear systems

UR - http://eudml.org/doc/207906

ER -

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