Adaptive fault‐tolerant control for affine non‐linear systems based on approximate dynamic programming

Fan, Quan-Yong; Yang, Guang-Hong

doi:10.1049/iet-cta.2015.1081

Cited by 47 publications

(26 citation statements)

References 34 publications

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“…A fault estimate approach is proposed by Xiao et al 27 to achieve the actuator LOE fault estimation in the presence of external disturbances, but actuator bias fault and complete failure are ignored. The other fault estimate approach is developed by Fan and Yang 28 to estimate the actuator LOE fault and bias fault simultaneously, but the external disturbance and complete failure are not considered. Compared with the results obtained by Xiao et al 27 and Fan and Yang, 28 a RBF neural networks–based fault estimation observer is developed in this article for the attitude systems of spacecraft, such that the actuator LOE fault, bias fault and complete failure could be estimated in the existence of external disturbance and inertia uncertainty.…”

Section: Actuator Fault Detection and Diagnosis Schemementioning

confidence: 99%

“…In the study by Xiao et al, 27 an active FTC scheme is proposed for a flexible spacecraft using both iterative learning observer and backstepping control techniques, but it could only handle the effects of actuator partial LOE fault. In the study by Fan and Yang, 28 an adaptive FTC scheme is proposed for an affine nonlinear systems using approximate dynamic programming technique, but it could not deal with the effects of actuator complete failure fault. In the study by Han et al, 30 the actuator fault is regarded as a part of lump disturbances and then a passive FTSM-based FTC scheme is proposed for a rigid spacecraft.…”

Section: Fault-tolerant Controller Designmentioning

confidence: 99%

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Active fault-tolerant control approach design for rigid spacecraft with multiple actuator faults

Gao

Peng

Qian

et al. 2018

Proceedings of the Institution of Mechanical Engineers, Part I:

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In this study, the active fault-tolerant control problem is investigated for a rigid spacecraft in the presence of inertia uncertainty, external disturbance, multiple actuator faults and actuator saturation. The attitude system model of spacecraft and actuator fault model are first given. A sliding mode-based fault detection observer and a radial basis function neural networks-based fault estimation observer are designed to detect the time of actuator fault occurred and estimate the amplitude of unknown fault, respectively. On that basis, an active fault-tolerant control scheme is proposed to accommodate the effects of multiple actuator faults, and it guarantees that the state trajectory of attitude systems without actuator saturation converges to a neighborhood of the origin in finite time. Another active fault-tolerant control scheme is further proposed in actuator saturation constraint case; it ensures that all the closed-loop signals are finite time convergence. Finally, simulation results are given to illustrate the effectiveness of the proposed fault-tolerant control approach.

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Section: Actuator Fault Detection and Diagnosis Schemementioning

confidence: 99%

Section: Fault-tolerant Controller Designmentioning

confidence: 99%

Active fault-tolerant control approach design for rigid spacecraft with multiple actuator faults

Gao

Peng

Qian

et al. 2018

Proceedings of the Institution of Mechanical Engineers, Part I:

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show abstract

“…However, the optimisation result of these methods cannot have a good control effect on the energy storage system because it belongs to a complex non-linear system and has no precise charging and discharging efficiency model. Action dependent heuristic dynamic programming (ADHDP) is one of the adaptive dynamic programming (ADP) methods, proposed by Fan et al [20]. It has demonstrated powerful self-learning capability for optimisation of complex non-linear systems by taking neural network as approximate structure of function [21][22][23].…”

Section: Literature Reviewmentioning

confidence: 99%

Double‐deck optimal schedule of micro‐grid based on demand‐side response

Dou

Meng

Yue

et al. 2018

IET Renewable Power Generation

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In order to fully consume renewable energies and schedule demand-side resources more hierarchically, a doubledeck optimal schedule model of micro-grid, which connects to power grids and concludes battery energy storage system (BESS), is proposed. Unlike the original peak-valley time-of-use (TOU) price, in the upper layer optimal schedule, the improved TOU price which takes account into the user's satisfaction can express the adjusted loads accurately and the resulting net loads can be treated as a link between upper and lower layer scheduling. For the reason of having no precise model of BESS, the lower model for the goal of minimising the operation cost is solved by action dependent heuristic dynamic programming algorithm that is not relying on the accurate controlled object model. This algorithm is used to obtain the most optimal performance index function and control strategy by the optimal iterative process, which is based on the back propagation neural network used for evaluating the optimal performance index. Analysis of examples and results has been presented to show the effectiveness of the proposed strategies.

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“…Therefore, it is important to detect fault occurrence and then take necessary measures to suppress the effect of faults. As an effective way of coping with faults, fault diagnosis and fault-tolerant control have been widely studied in the past decades [1][2][3][4][5][6]. Among the existing results, model-based fault detection technique is one of the most widely used methods [7,8].…”

Section: Introductionmentioning

confidence: 99%

fault detection observer design in finite‐frequency domain for Lipschitz non‐linear systems

Zhou

Wang

Shen

et al. 2017

IET Control Theory & Applications

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This study is about H − /H ∞ fault detection observer design in finite-frequency domain for Lipschitz non-linear systems with actuator fault. To make the generated residual sensitive to fault while robust against disturbance, the authors derive design conditions for the fault detection observer to achieve H − fault sensitivity performance in finite-frequency domain and H ∞ disturbance attenuation performance. The authors further transform the design conditions as a set of linear matrix inequalities to facilitate the observer design. Besides, some extra design degrees of freedom parameters are provided in the proposed method to further reduce some conservatism. Numerical simulations of a single-link flexible joint robot are conducted to verify the effectiveness of the proposed approach.

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Adaptive fault‐tolerant control for affine non‐linear systems based on approximate dynamic programming

Cited by 47 publications

References 34 publications

Active fault-tolerant control approach design for rigid spacecraft with multiple actuator faults

Active fault-tolerant control approach design for rigid spacecraft with multiple actuator faults

Double‐deck optimal schedule of micro‐grid based on demand‐side response

fault detection observer design in finite‐frequency domain for Lipschitz non‐linear systems

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