Reconfigurable control of piecewise affine systems with actuator and sensor faults: Stability and tracking

Richter, Jan; Heemels, W.P.M.H.; Wouw, Nathan van de; Lunze, Jan

doi:10.1016/j.automatica.2011.01.048

Cited by 124 publications

(92 citation statements)

References 59 publications

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“…We consider the presence of misbehaving sensors and actuators, which could be acting according to different types of failures such as outages [16], partial degradation and loss of effectiveness [17], incipient faults [24], or even controlled by malicious cyber adversaries [25], [26]. Furthermore, we suppose that misbehaving devices are detected and isolated using suitable FDD schemes [1], [10], [12], after which they are removed from the system.…”

Section: A System Modelmentioning

confidence: 99%

“…Many types of faults in sensors, actuators and other system components have been considered in both linear and nonlinear systems. However, the vast majority of the solutions rely on a centralized approach [13], [14], [15], [16], [17]. Due to the increased complexity and size of current control systems, such techniques may be impractical [18], [6].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Distributed Sensor and Actuator Reconfiguration for Fault-Tolerant Networked Control Systems

Teixeira

Araújo

Johansson

2018

IEEE Trans. Control Netw. Syst.

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Abstract-In this paper, we address the problem of distributed reconfiguration of networked control systems upon the removal of misbehaving sensors and actuators. In particular, we consider systems with redundant sensors and actuators cooperating to recover from faults. Reconfiguration is performed while minimizing a steady-state estimation error covariance and a quadratic control cost. A model-matching condition is imposed on the reconfiguration scheme. It is shown that the reconfiguration and its underlying computation can be distributed. Using an average dwell-time approach, the stability of the distributed reconfiguration scheme under finite-time termination is analyzed. The approach is illustrated in a numerical example.

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Section: A System Modelmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Distributed Sensor and Actuator Reconfiguration for Fault-Tolerant Networked Control Systems

Teixeira

Araújo

Johansson

2018

IEEE Trans. Control Netw. Syst.

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“…When the reconfiguration block aims at tolerating actuator faults, it is named virtual actuator. Initially proposed in a state space form for LTI systems (Lunze and Steffen, 2006), this paradigm has been successfully extended to other system structures (Rotondo Dziekan et al, 2011;Richter et al, 2011;Blesa et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Fault Tolerant Control of a PEM Fuel Cell using qLPV Virtual Actuators

2015

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Abstract:This paper proposes a fault tolerant control (FTC) strategy based on the use of quasi-linear parameter varying (qLPV) virtual actuators approach for proton exchange membrane (PEM) fuel cells. The overall solution relies on adding a virtual actuator in the control loop to hide the fault from the controller point of view, allowing it to see the same plant as before the fault, in this way keeping the stability and some desired performances. The proposed methodology is based on the use of a reference model, where the resulting nonlinear error model is brought to a qLPV form that is used for control design by means of linear matrix inequalities (LMI)-based techniques. The resulting closed-loop error system is stable with poles placed in some desired region of the complex plane. Simulation results are used to show the effectiveness of the proposed approach.

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“…Lunze and Steffen (2006) showed that control reconfiguration of a linear system after an actuator fault is equivalent to disturbance decoupling. Control reconfiguration methods using virtual actuators and sensors for piecewise affine systems and Hammerstein-Wiener systems were proposed in , , Richter et al (2011) andRichter (2011).…”

Section: Introductionmentioning

confidence: 99%

Reconfigurable Control of Input Affine Nonlinear Systems under Actuator Fault

Tabatabaeipour

Galeazzi

2015

IFAC-PapersOnLine

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This paper proposes a fault tolerant control method for input-affine nonlinear systems using a nonlinear reconfiguration block (RB). The basic idea of the method is to insert the RB between the plant and the nominal controller such that fault tolerance is achieved without re-designing the nominal controller. The role of the RB is twofold: on one hand it transforms the output of the faulty system such that its behaviour is similar to that of the nominal one from the controller's viewpoint; on the other hand it modifies the control input to the faulty system such that the stability of the reconfigured loop is preserved. The RB is realized by a virtual actuator and a reference model. Using notions of incremental and input-to-state stability (ISS), it is shown that ISS of the closed-loop reconfigured system can be achieved by the separate design of the virtual actuator. The proposed method does not need any knowledge of the nominal controller and only assumes that the nominal closed-loop system is ISS. The method is demonstrated on a dynamic positioning system for an offshore supply vessel, where the virtual actuator is designed using backstepping.

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Reconfigurable control of piecewise affine systems with actuator and sensor faults: Stability and tracking

Cited by 124 publications

References 59 publications

Distributed Sensor and Actuator Reconfiguration for Fault-Tolerant Networked Control Systems

Distributed Sensor and Actuator Reconfiguration for Fault-Tolerant Networked Control Systems

Fault Tolerant Control of a PEM Fuel Cell using qLPV Virtual Actuators

Reconfigurable Control of Input Affine Nonlinear Systems under Actuator Fault

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