Extended state observer–based finite-time controller design for coupled spacecraft formation with actuator saturation

Ye, Dong; Zhang, Jianqiao; Sun, Zhiyong

doi:10.1177/1687814017696413

Cited by 25 publications

(20 citation statements)

References 29 publications

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“…after performing the congruence transformation with matrix diag{Z 1 , I, I, Z 1 , I} on condition (35), and matrix diag{I, Z 1 } on condition (36), we obtain the same results as those of (29) and (30). This verifies equivalency between condition (32) and condition (35), as well as condition (33) and condition (36).…”

Section: Convex Synthesis Of Dynamic Relative Output-feedback Satusupporting

confidence: 69%

“…This verifies equivalency between condition (32) and condition (35), as well as condition (33) and condition (36). The controller reconstruction formula (26) can also be verified by inverting the relations in (30). This ends the proof.…”

Section: Convex Synthesis Of Dynamic Relative Output-feedback Satusupporting

confidence: 60%

“…The most straightforward idea to overcome the above drawback is to construct an observer for each agent to online estimate their full state information, which has been well realized by many researchers in the field (e.g., [18], [27]- [30], [45]). However, the state-observer-based method has its inherent limitations in saturated MAS consensus control designs.…”

Section: Introductionmentioning

confidence: 99%

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Dynamic Relative Output-Feedback Consensus for Multi-Agent Systems Subject to Actuator Saturation

Huang

Yuan

2020

IEEE Access

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This paper deals with the problem of leaderless consensus control for a class of nonintrospective linear multi-agent systems (MASs) subject to input saturation and external disturbances. A novel dynamic relative output-feedback saturated consensus control protocol is proposed, which utilizes not only relative system outputs but also relative controller states from neighboring agents for distributed feedback control. With this new controller structure, the associated control synthesis conditions that guarantee optimal disturbance attenuation performance are fully characterized as linear matrix inequalities (LMIs) using a complete form of Lyapunov function matrix, which can be solved efficiently via convex optimization. The proposed approach unifies the designs for both continuous-time and discrete-time MASs. Two application examples are used to demonstrate effectiveness and usefulness of the proposed results.

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Section: Convex Synthesis Of Dynamic Relative Output-feedback Satusupporting

confidence: 69%

Section: Convex Synthesis Of Dynamic Relative Output-feedback Satusupporting

confidence: 60%

Section: Introductionmentioning

confidence: 99%

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Dynamic Relative Output-Feedback Consensus for Multi-Agent Systems Subject to Actuator Saturation

Huang

Yuan

2020

IEEE Access

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“…A composite control law that employs extended state observer (ESO) and an additive controller was developed to remove external disturbance in Chen et al (2018). Another ESO-based control laws were presented in Ye et al (2017) and Li et al (2016) for formation flying of spacecraft. Back-stepping was combined with the observer to formulate a stabilization control scheme in Sun and Zheng (2017).…”

Section: Introductionmentioning

confidence: 99%

Disturbance-observer-based attitude control under input nonlinearity

Javaid

Dong

2021

Transactions of the Institute of Measurement and Control

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A disturbance observer-based control scheme is proposed in this paper to deal with the attitude stabilization problems of spacecraft subjected to external disturbances, parameter uncertainties, and input nonlinearities. Particularly, the proposed approach addresses the dead-zone issue, a non-smooth nonlinearity affiliated with control input that significantly increases controller design difficulties. A novel nonlinear disturbance observer (NDO) is developed, which relaxes the strong assumption in conventional NDO design that disturbances should be constants or varying with slow rates. After that, a special integral sliding mode controller (ISMC) is combined with the NDO to achieve asymptotic convergence of system states. Simulations are performed in the presence of time-varying disturbances, parameter uncertainties, and dead-zone nonlinearity to justify the effectiveness of the proposed control scheme.

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“…In the paper by Zhi et al, 10 the spectral radius of extremal graphs for the unicyclic graphs is investigated using graft transformation and matching, and the upper bounds of the spectral radius of unicyclic graphs are obtained using the relations between degree and the second degree. The second group starts with a paper on finite-time controller design for coupled spacecraft formation with actuator saturation by Ye et al 11 This article investigates the consensus tracking control issue for a class of leader-follower spacecraft formation system, considering the occurrence of model uncertainties, external disturbances, and actuator saturation. A 6degree-of-freedom (DOF) relative-coupled translational and rotational dynamics model is derived with the aid of exponential coordinates on the Lie group SE(3).…”

mentioning

confidence: 99%

Modeling, optimization, and control for complex networked systems

Zhu

Zhong

Karimi

et al. 2018

Advances in Mechanical Engineering

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Over the last decade, a succession of various complex systems has emerged in the field of automatic control, following the rapid development of information and communication technologies, such as manufacturing and production systems, robotics, spacecraft, smart grids, and intelligent transportation. The development of network technology brings many challenges for the modeling, control, and optimization of today's complex systems, as well as their engineering applications. In recent years, some preliminary results have emerged on complex systems in network environments, ranging from academic research to industrial applications, including Antsaklis and Baillieul, 1 Zhang et al., 2 Zhang et al., 3 Zhu et al.,4 Hespanha et al., 5 Gupta and Chow. 6 More and more researchers are working on addressing various analysis and synthesis issues simultaneously, compensating for the deficiencies associated with this medium. Therefore, the main purpose of this special collection is to brief researchers on both the theory and practice of advances in modeling, optimization, and control for complex dynamic systems in network environments, especially on those developments that have been made in the field of engineering, and mechanical engineering in particular.This special collection consists of 12 papers, all of which cover, but are not limited to, the proposed topics and can be divided into three groups. The first group mainly focuses on the issues of modeling and simulation analysis for mechanical systems in network environments, while the second addresses the issue of advanced control in complex networked systems. Finally, the third group is concerned with stability analysis and optimization for complex networked systems.In the first group, the paper by Tian et al. 7 presents an omnidirectional mobile platform with six mecanum wheels, positing that an omnidirectional mobile platform with six mecanum wheels is more flexible and can reach the desired position more easily in narrow workspaces. The kinematic model for this platform is constructed and verified using four kinds of motion state in the simulation. The motion features of the platform corresponding to the cases of six and four wheels are discussed, and the authors demonstrate the advantages of the platform with six wheels. Moreover, thanks to

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Extended state observer–based finite-time controller design for coupled spacecraft formation with actuator saturation

Cited by 25 publications

References 29 publications

Dynamic Relative Output-Feedback Consensus for Multi-Agent Systems Subject to Actuator Saturation

Dynamic Relative Output-Feedback Consensus for Multi-Agent Systems Subject to Actuator Saturation

Disturbance-observer-based attitude control under input nonlinearity

Modeling, optimization, and control for complex networked systems

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