Event-Triggered Adaptive Practical Fixed-Time Trajectory Tracking Control for Unmanned Surface Vehicle

Song, Shuai; Park, Ju H.; Zhang, Baoyong; Song, Xiaona

doi:10.1109/tcsii.2020.3001314

Cited by 58 publications

(20 citation statements)

References 24 publications

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“…Future studies can be performed based on fixed-time control techniques to ensure that the convergence time is independent of the initial states of the investigated systems. 43…”

Section: Discussionmentioning

confidence: 99%

Design of a non-singular fast terminal sliding mode control for second-order nonlinear systems with compound disturbance

Kolahi

Gharib

Heydari

2021

Proceedings of the Institution of Mechanical Engineers, Part C:

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This paper investigates a new disturbance observer based non-singular fast terminal sliding mode control technique for the path tracking and stabilization of non-linear second-order systems with compound disturbance. The compound disturbance is comprised of both parametric and non-parametric uncertainties. While warranting fast convergence rate and robustness, it also dominates the singularity and complex-value number issues associated with conventional terminal sliding mode control. Furthermore, due to the estimation properties of the observer, knowledge about the bounds of the uncertainties is not required. The simulation results of two case studies, the velocity and path tracking of an autonomous underwater vehicle and the stabilization of a chaotic Φ6-Duffing oscillator, validate the efficacy of the proposed method.

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“…Future studies can be performed based on fixed-time control techniques to ensure that the convergence time is independent of the initial states of the investigated systems. 43…”

Section: Discussionmentioning

confidence: 99%

Design of a non-singular fast terminal sliding mode control for second-order nonlinear systems with compound disturbance

Kolahi

Gharib

Heydari

2021

Proceedings of the Institution of Mechanical Engineers, Part C:

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show abstract

“…Then, the actual control law u i is designed as (30) where b i,ni+1 > 0, k i,ni,1 > 0, k i,ni,2 > 0 are design positive parameters,…”

Section: Event-triggered Based Ftadrc Consensus Tracking Control Strategymentioning

confidence: 99%

“…Also, they are divided into fixed threshold triggered conditions [25][26][27] and time-varying threshold ones [28]. In addition, several triggered locations are concerned including the following several channels: from a sensor to a controller [19][20][21][22], from a controller to an actuator [23,24,29,30], and two channels mentioned above [31]. Consequently, compared with traditional time-triggered control, event-triggered control effectively reduces the number of control tasks, thus significantly saving communication resources on the basis of ensuring the closed-loop system performance.…”

mentioning

confidence: 99%

Fixed-time Active Disturbance Rejection Consensus Tracking Control of A Multi-Agent System via Event-Triggered Mechanism

Yang

Zhang

2022

Preprint

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A fixed-time active disturbance rejection control (FTADRC) consensus tracking strategy is proposed for a class of non-affine nonlinear multi-agent systems with an event-trigger-based communication. Non-affine followers are transformed into affine ones by combining the implicit function theorem with the mean value theorem. A distributed event-triggered estimator is introduced based on its neighbor output information. It is for estimation of a leader’s signal for parts of followers, who are not able to access the leader signal in a direct manner. A distributed FTADRC control strategy is then developed via an event-triggered communication in the framework of backstepping technology. With the help of the fixed-time control, the settling time of an MAS is assignable and independent on initial conditions. Extended state observers and tracking differentiators are employed to compensate unknown dynamics of each follower in real time and estimate derivatives of virtual control laws, respectively. It is proven theoretically that the MAS achieves input-to-state practically stability and the consensus tracking error converges to a neighborhood around the origin in a fixed time. Also, Zeno behavior is excluded. Finally, two examples are performed to illustrate the effectiveness of the proposed strategy.

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“…Recently, the command filtered backstepping technique, initially proposed by Farrell et al [29], provides one effective solution to reduce the computational complexity of the traditional backstepping design. To this end, this technique has been widely employed to fulfill the controller design in the backstepping control framework (see [30]- [33] and reference therein). However, there is no result reported on command filter-based adaptive secure control problem for nonlinear time-delay systems with cyberattacks.…”

Section: Introductionmentioning

confidence: 99%

Adaptive NN Finite-Time Resilient Control for Nonlinear Time-Delay Systems With Unknown False Data Injection and Actuator Faults

Song

Park

Zhang

et al. 2022

IEEE Trans. Neural Netw. Learning Syst.

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This article considers neural network (NN)-based adaptive finite-time resilient control problem for a class of nonlinear time-delay systems with unknown fault data injection attacks and actuator faults. In the procedure of recursive design, a coordinate transformation and a modified fractionalorder command-filtered (FOCF) backstepping technique are incorporated to handle the unknown false data injection attacks and overcome the issue of "explosion of complexity" caused by repeatedly taking derivatives for virtual control laws. The theoretical analysis proves that the developed resilient controller can guarantee the finite-time stability of the closed-loop system (CLS) and the stabilization errors converge to an adjustable neighborhood of zero. The foremost contributions of this work include: 1) by means of a modified FOCF technique, the adaptive resilient control problem of more general nonlinear time-delay systems with unknown cyberattacks and actuator faults is first considered; 2) different from most of the existing results, the commonly used assumptions on the sign of attack weight and prior knowledge of actuator faults are fully removed in this article. Finally, two simulation examples are given to demonstrate the effectiveness of the developed control scheme.

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Event-Triggered Adaptive Practical Fixed-Time Trajectory Tracking Control for Unmanned Surface Vehicle

Cited by 58 publications

References 24 publications

Design of a non-singular fast terminal sliding mode control for second-order nonlinear systems with compound disturbance

Design of a non-singular fast terminal sliding mode control for second-order nonlinear systems with compound disturbance

Fixed-time Active Disturbance Rejection Consensus Tracking Control of A Multi-Agent System via Event-Triggered Mechanism

Adaptive NN Finite-Time Resilient Control for Nonlinear Time-Delay Systems With Unknown False Data Injection and Actuator Faults

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