Velocity-free prescribed performance control for spacecraft hovering over an asteroid with input saturation

Zhang, Bo; Jiang, Lihong; Bai, Junqiang

doi:10.1016/j.jfranklin.2020.03.036

Cited by 9 publications

(5 citation statements)

References 37 publications

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“…Despite of the effectiveness of the addressed methods above on coping with actuator saturation and guaranteeing transient performance, all of them cannot deal with actuator saturation when tracking errors converge to the steady state. This is because that in the steady-state phase, the prescribed boundaries are usually chosen as very small values while actuator saturation will cause the increasing of errors, further yielding a control singular problem [131][132][133][134].…”

Section: Ppc Of Dynamic Systems With Actuator Saturationmentioning

confidence: 99%

Prescribed performance control approaches, applications and challenges: A comprehensive survey

2022

Asian Journal of Control

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As to control systems, transient performance is as important as steady‐state performance. For some special dynamic systems, transient performance is a more prior index in comparison with the steady‐state one. Prescribed performance control (PPC) has been proved to be a powerful tool that guarantees control system outputs/errors with desired transient performance as well as steady‐state performance. The purpose of this paper is to give a comprehensive review on the latest developments of PPC theories and applications. The existing performance functions are classified into five different categories, and their features are comprehensively compared, providing a useful guidance for further applications. Then, the latest developments of PPC's applications in all kinds of control systems are recalled. Specially, the faced challenges and theoretical defects of PPC are discussed, which is expected to point out the further research direction for PPC.

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Section: Ppc Of Dynamic Systems With Actuator Saturationmentioning

confidence: 99%

Prescribed performance control approaches, applications and challenges: A comprehensive survey

2022

Asian Journal of Control

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“…Theorem 1: Considering the system (21) and the controller (24), the closed-loop system is stable and the tracking error converges to a neighborhood of the origin within the prescribed performance boundary for all t ³ 0.…”

Section: Design Of Lyapunov Function-based Mpc With Prescribed Perfor...mentioning

confidence: 99%

“…It is hard and even unknown for current control approaches of ATCLs to estimate the control effect without prescribed performance. Until now, PPC has been extensively applied to several control areas [22]- [24]. A neural adaptive output tracking PPC of a chaotic permanent magnet synchronous motor system is investigated in [25], and adaptive control with prescribed performance for active suspension systems is designed in [26].…”

Section: Introductionmentioning

confidence: 99%

Improved Model Predictive Control with Prescribed Performance for Aggregated Thermostatically Controlled Loads

et al. 2022

Journal of Modern Power Systems and Clean Energy

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Aggregate thermostatically controlled loads (AT-CLs) are a suitable candidate for power imbalance on demand side to smooth the power fluctuation of renewable energy. A new control scheme based on an improved bilinear aggregate model of ATCLs is investigated to suppress power imbalance. Firstly, the original bilinear aggregate model of ATCLs is extended by the second-order equivalent thermal parameter model to optimize accumulative error over a long time scale. Then, to ensure the control performance of tracking error, an improved model predictive control algorithm is proposed by integrating the Lyapunov function with the error transformation, and theoretical stability of the proposed control algorithm is proven. Finally, the simulation results demonstrate that the accuracy of the improved bilinear aggregate model is enhanced; the proposed control algorithm has faster convergence speed and better tracking accuracy in contrast with the Lyapunov function-based model predictive control without the prescribed performance.

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“…On the other hand, many practical systems suffer from the input saturation problem. By using the auxiliary dynamic systems, the input saturation problem was solved for marine surface vessels [4] and spacecraft systems [34]. Based on the designed auxiliary system and BLFs, a fuzzy two-bits-triggered control method for nonlinear uncertain systems with input saturation and output constraint has been proposed in [35].…”

Section: Introductionmentioning

confidence: 99%

“…Zhu et al [37] extended this result to the stochastic nonlinear systems. However, the control methods in [4,[33][34][35][36][37] are not suitable for the controller design of nonlinear time-delay systems. To the best of our knowledge, the adaptive finite-time tracking control problem has not been fully studied for nonlinear time-varying delay systems with full state constraints and input saturation.…”

Section: Introductionmentioning

confidence: 99%

Adaptive Finite-Time Tracking Control for Nonlinear Time-Varying Delay Systems With Full State Constraints and Input Saturation

2021

IEEE Access

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This paper investigates the adaptive finite-time tracking control problem for a class of nonlinear time-varying delay systems subject to full state constraints and input saturation. The nonlinear state-dependent functions (NSDFs) are introduced to handle the asymmetric time-varying full state constraints without feasibility conditions. To cope with the unknown time-varying delays, the radial basis function neural networks (RBF NNs) and the finite covering lemma are utilized. Avoiding the use of the Lyapunov-Krasovskii functionals (LKFs), no restriction on the derivative of the time-varying delays is needed. Meanwhile, the effect of the input saturation is eliminated by the augmented function with an auxiliary control signal. The adaptive finite-time tracking controller with only one adaptive parameter is constructed by applying the command filter approach and backstepping technique. It is proved that the proposed controller can ensure that all signals in the closed-loop system are bounded and the tracking error converges to a small neighborhood of the origin in a finite time. Finally, the effectiveness of the proposed scheme is demonstrated by two simulation examples.

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Velocity-free prescribed performance control for spacecraft hovering over an asteroid with input saturation

Cited by 9 publications

References 37 publications

Prescribed performance control approaches, applications and challenges: A comprehensive survey

Prescribed performance control approaches, applications and challenges: A comprehensive survey

Improved Model Predictive Control with Prescribed Performance for Aggregated Thermostatically Controlled Loads

Adaptive Finite-Time Tracking Control for Nonlinear Time-Varying Delay Systems With Full State Constraints and Input Saturation

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