Composite disturbance-observer-based control and terminal sliding mode control for non-linear systems with disturbances

Wei, Xinjiang; Guo, Lei

doi:10.1080/00207170802455339

Cited by 229 publications

(139 citation statements)

References 15 publications

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“…In [22,34], the disturbance observers are applied to estimate the disturbances and some robust control approaches are considered using the outputs of the disturbance observers. To satisfy the approach of the approximation errors to the origin in the nite time, TSMC disturbance observer has been established in [20,35,36]. In [33,34], composite control design procedures of the disturbance-observer-based controller and TSMC are o ered for the uncertain structural and nonlinear systems where the proposed disturbance observers are based on the regional pole placement and D-stability theories.…”

Section: Literature Reviewmentioning

confidence: 99%

Nonsingular fast terminal sliding-mode stabilizer for a class of uncertain nonlinear systems based on disturbance observer

Mobayen

Tchier

2017

Scientia Iranica

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Abstract. This paper investigates a novel nonsingular fast terminal sliding-mode control method for the stabilization of the uncertain time-varying and nonlinear thirdorder systems. The designed disturbance observer satis es the nite-time convergence of the disturbance approximation error and the suggested nite-time stabilizer assures the presence of the switching behavior around the switching curve in the nite time. Furthermore, this approach can overcome the singularity problem of the fast terminal sliding-mode control technique. Moreover, knowledge about the upper bounds of the disturbances is not required and the chattering problem is eliminated. Usefulness and e ectiveness of the o ered procedure are con rmed by numerical simulation results.

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Section: Literature Reviewmentioning

confidence: 99%

Nonsingular fast terminal sliding-mode stabilizer for a class of uncertain nonlinear systems based on disturbance observer

Mobayen

Tchier

2017

Scientia Iranica

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“…While, the chattering issue of SMC is still an open problem. Recently, several authors have introduced disturbance observer (DO) based SMC to alleviate the chattering problem and retain its nominal control performance [5,16,30]. In Ref.…”

Section: Introductionmentioning

confidence: 99%

Disturbance observer based finite-time attitude control for rigid spacecraft under input saturation

2014

Aerospace Science and Technology

162

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“…Recent developments of nonlinear disturbance observer based control (NDOBC) can be seen in [3,11,12,13,14,15]. In [14], a sliding mode based nonlinear disturbance observer (NDOB) was proposed for motor control.…”

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confidence: 99%

“…Composite methods which combine DOBC with terminal sliding model control or H ∞ control were proposed to solve the problem caused by disturbance model perturbations in Ref. [12,13,15].…”

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confidence: 99%

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Non-linear disturbance observer-based robust control for systems with mismatched disturbances/uncertainties

Yang

Chen

2011

IET Control Theory Appl.

327

180

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Jun Yang * , Wen-Hua Chen † , and Shihua Li * Abstract: Robust control of nonlinear systems with disturbances and uncertainties is addressed in this paper using disturbance observer based control technique. In this framework, the "disturbance" is a generalized concept, which may include external disturbances, unmodeled dynamics, and system parameter perturbations. The existing disturbance observer based control (DOBC) methods were only applicable for the case where disturbances and uncertainties satisfy so called matching condition, i.e., they enter the system in the same channel as the control inputs. By appropriately designing a disturbance compensation gain vector in the composite control law, a nonlinear disturbance observer based robust control (NDOBRC) method is proposed in this paper to attenuate the mismatched disturbances and the influence of parameter variations from system output channels.The proposed method is applied to a nonlinear missile system in the presence of various uncertainties and external disturbances. Simulation shows that, compared with the widely used nonlinear dynamic inversion control (NDIC) and NDIC plus integral action (NDIC+I) methods, the proposed method provides much better disturbance attenuation ability and stronger robustness against various parameter variations. The proposed method significantly extends the applicability of the DOBC methods.

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Composite disturbance-observer-based control and terminal sliding mode control for non-linear systems with disturbances

Cited by 229 publications

References 15 publications

Nonsingular fast terminal sliding-mode stabilizer for a class of uncertain nonlinear systems based on disturbance observer

Nonsingular fast terminal sliding-mode stabilizer for a class of uncertain nonlinear systems based on disturbance observer

Disturbance observer based finite-time attitude control for rigid spacecraft under input saturation

Non-linear disturbance observer-based robust control for systems with mismatched disturbances/uncertainties

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