Adaptive diagnosis and compensation for hypersonic flight vehicle with multisensor faults

Chen, Fuyang; Gong, Jingxiu; Li, Yuqing

doi:10.1002/rnc.4711

Cited by 6 publications

(2 citation statements)

References 41 publications

(94 reference statements)

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“…where S is the nominal aerodynamic area; S s is the variable-structure aerodynamic area; δ e denotes the elevator deflection control signals; C T , C D , and C L are the coefficients of throttle, drag, and lift, respectively; C M (�) is the pitch moment coefficient with respect to (�). More parameter details are presented in [5]; C T contains another control signal, δ T .…”

Section: Variable-structure Hfv Modelmentioning

confidence: 99%

“…Advanced hypersonic flight vehicles (HFVs) are equipped with active variable-structure fuselages to reduce air resistance and provide redundant control torque [1][2][3]. However, variablestructure HFVs are more sensitive to the influence of external disturbances and uncertainties than other aircraft are; thus, they are required to be more robust [4,5]. Furthermore, changes in atmospheric conditions usually lead to actuator and sensor faults, thereby causing a catastrophic effect on flight performance [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Fuzzy adaptive fault diagnosis and compensation for variable structure hypersonic vehicle with multiple faults

Cheng

2021

PLoS ONE

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Based on the type-II fuzzy logic, this paper proposes a robust adaptive fault diagnosis and fault-tolerant control (FTC) scheme for multisensor faults in the variable structure hypersonic vehicles with parameter uncertainties. Type-II fuzzy method approximates the original models while eliminating the parameter uncertainties. Hence the sensor faults are detected and isolated by the multiple output residuals and thresholds considering nonlinear approximation errors and disturbance. Based on the fuzzy adaptive augmented observer, the faults and disturbance are all estimated accurately by an improved proportional-differential part. Then a variable structure FTC scheme repairs the faults by the estimation, the fast-varying disturbance is considered in FTC scheme and is compensated by the control parameters designed based on its derivative function, thereby enhancing the output robust tracking accuracy of the variable structure hypersonic vehicles. The Lyapunov theory proves the system robust stability, semi-physical simulation verifies the validity of the proposed method and the superiority compared with the traditional method.

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Section: Variable-structure Hfv Modelmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Fuzzy adaptive fault diagnosis and compensation for variable structure hypersonic vehicle with multiple faults

Cheng

2021

PLoS ONE

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Global wavelet-integrated residual frequency attention regularized network for hypersonic flight vehicle fault diagnosis with imbalanced data

Dong,

Jiang,

Liu

et al. 2024

Engineering Applications of Artificial Intelligence

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Adaptive backstepping fault-tolerant control for hypersonic aircraft with unknown control direction under actuator and sensor faults

Gou,

Liu,

Zhang

2023

Aeronaut. j.

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In this paper, an adaptive backstepping controller of hypersonic flight vehicle (HFV) system is investigated in the presence of unknown actuator and sensor faults, unknown control direction and varying external disturbance, which expands traditional fault-tolerant control (FTC) approaches in HFV field. The control-oriented model is established with reasonable and comprehensive analysis of various fault types. Compared with the previous FTC research on HFV system, the time-varying and fixed fault types are simultaneously designed for actuator and sensors, and the control direction is unknown, which can more accurately simulate the real fault situations in the hypersonic flight environment. To avoid singularity problems caused by the unknown control direction, the Nussbaum gain function technique is adopted in the control algorithm, which is also capable of overcoming the influence of unknown time-varying fault parameters. The boundness and stability of system under the designed control scheme are theoretically verified. Finally, numerical simulation results demonstrate the effectiveness and superiority of the proposed control strategy.

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Adaptive diagnosis and compensation for hypersonic flight vehicle with multisensor faults

Cited by 6 publications

References 41 publications

Fuzzy adaptive fault diagnosis and compensation for variable structure hypersonic vehicle with multiple faults

Fuzzy adaptive fault diagnosis and compensation for variable structure hypersonic vehicle with multiple faults

Global wavelet-integrated residual frequency attention regularized network for hypersonic flight vehicle fault diagnosis with imbalanced data

Adaptive backstepping fault-tolerant control for hypersonic aircraft with unknown control direction under actuator and sensor faults

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