Robust Output Disturbance, Actuator and Sensor Faults Reconstruction Using H∞ Sliding Mode Descriptor Observer for Uncertain Nonlinear Boiler System

Alaei, Hesam Komari; Yazdizadeh, Alireza

doi:10.1007/s12555-017-0376-8

Cited by 10 publications

(6 citation statements)

References 33 publications

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“…These faults describe inputs acting on the system actuators independent of the plant leaks, loads and so forth. It should be noted that additive actuator faults will be handled as anonymous deterministic functions of time 34,43 . The compensation principle of these faults is based on adding an additive control

{u}_f(t)

to the nominal control law

u(t)

.…”

Section: State‐space Formulation Of Nonlinear System With Time Delaymentioning

confidence: 99%

Fault‐tolerant controller design for nonlinear systems with multiple input and state delays based on sliding mode algorithm

Azmi

Yazdizadeh

2022

Intl J Robust & Nonlinear

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In this article, a novel sliding mode control (SMC) strategy for nonlinear Lipschitz systems with multiple and dissimilar time delays in the states and inputs is proposed. Using linear matrix inequality, a modified integral sliding surface scientifically based on which the innovative SMC approach is developed. Lyapunov–Krasovskii's theory is employed to guarantee asymptotic stability of the closed‐loop system, such that states starting from any arbitrary initial conditions reach the sliding surface in a finite time and stay on it for all subsequent time. It is also proved that the practical effects of the actuator's faults are simultaneously attenuated. An online adaptive tuning law is used to estimate and isolate actuators' possible faults reliably. From the implementation point of view, the controller structure is more straightforward than the most existing recent fault‐tolerant control methods. Simulation results performed on practical nonlinear systems (quadruple tank and industrial continuous stirred tank reactor) verified the outstanding merits of the proposed approach. The operational capabilities of the proposed scheme in the presence of actuators' faults and multiple delays in the states and inputs were also demonstrated.

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{u}_f(t)

to the nominal control law

u(t)

.…”

Section: State‐space Formulation Of Nonlinear System With Time Delaymentioning

confidence: 99%

Fault‐tolerant controller design for nonlinear systems with multiple input and state delays based on sliding mode algorithm

Azmi

Yazdizadeh

2022

Intl J Robust & Nonlinear

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show abstract

“…Zhao Kaihui et al also transformed sensor faults into actuator faults by introducing a new state variable [8]. By considering the sensor fault and output disturbance as auxiliary state vectors, a robust sliding mode descriptor 2 of 15 observer is discussed for estimating states and reconstructing actuator and sensor faults simultaneously in the presence of uncertainties, measurement noise, and output disturbances [9,10].…”

Section: Introductionmentioning

confidence: 99%

Sensor Fault Reconstruction based on Adaptive Sliding Mode Observer for Forklift Fault-Tolerant Control System

Zhang

Xiao

2020

Applied Sciences

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For the problem of multiple sensor fault detection and reconstruction in the forklift fault-tolerant control system, a sliding mode observer (SMO) with adaptive regulation law is proposed. Based on the three-degree-of-freedom (3-DOF) model of forklift, a linear state equation with output disturbance is designed as its equivalent sensor fault model. The sensor fault is converted into an actuator fault by defining an auxiliary state variable as an output signal filter. Then the SMO-based method of sensor fault detection and reconstruction is given. Without knowing the upper bound of an unknown fault, an adaptive sliding mode observer (ASMO) can also be effective through the adaptive algorithm. Finally, experimental results further verify the effectiveness of the method, and provide a foundation for forklift fault-tolerant control.

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“…In [28], sensor fault reconstruction in a nuclear power plant is investigated by the combination of several methods with optimised principal component analysis method for optimising performance. In [29], concepts and linear matrix inequality method are used for minimising the effect of uncertainty for faults reconstruction and state estimation with a robust sliding mode descriptor observer in an industrial boiler system. In [30], fault‐tolerant compensation problem has been applied for a linear system with disturbance by using an integral sliding mode control approach.…”

Section: Introductionmentioning

confidence: 99%

Wind turbines robust fault reconstruction using adaptive sliding mode observer

Taherkhani

Bayat

2019

IET Generation, Transmission & Distribution

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Robust Output Disturbance, Actuator and Sensor Faults Reconstruction Using H∞ Sliding Mode Descriptor Observer for Uncertain Nonlinear Boiler System

Cited by 10 publications

References 33 publications

Fault‐tolerant controller design for nonlinear systems with multiple input and state delays based on sliding mode algorithm

Fault‐tolerant controller design for nonlinear systems with multiple input and state delays based on sliding mode algorithm

Sensor Fault Reconstruction based on Adaptive Sliding Mode Observer for Forklift Fault-Tolerant Control System

Wind turbines robust fault reconstruction using adaptive sliding mode observer

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