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Finite-time stability and stabilisation of time-varying stochastic systems with multiplicative noise and time-delays Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-03-14 Cheng Tan, Qinglong Zhang, Zhengqiang Zhang, Hongtao Sun
This article investigates the problem of finite-time stability and stabilisation (FTSS) in time-varying stochastic systems with multiplicative noise and time-delays. To simplify research process, t...
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Saturated adaptive control for high-order fully actuated systems with an extended state Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-03-14 Fu-Zheng Xiao, Li-Qun Chen
The present study focuses on controller design for high-order fully actuated systems that experience input saturation and are affected by bounded disturbances, such as nonlinear uncertainties and t...
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Reliable finite-frequency H∞ control for switched systems with actuator faults and mode-dependent average dwell time Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-03-07 Hongzheng Quan, Tianliang Zhang, Xiao Yan, Fujin Jia
This paper deals with the reliable finite-frequency H∞ control problem for switched systems with actuator faults and mode-dependent average dwell time (MDADT). The objective of designing reliable c...
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Data-driven predictive ILC for nonlinear nonaffine systems Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-03-07 Wenzhi Cui, Puzhao Li, Ronghu Chi
This paper proposes a data-driven predictive iterative learning control (DDPILC) for nonlinear nonaffine systems. First, we develop an iterative predictive model (IPM) where an iterative dynamic li...
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Stability analysis of nonlinear systems with delayed impulses: a generalised average dwell-time scheme Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-03-02 Zhiwen Fu, Shiguo Peng
This paper studies the input-to-state stability (ISS) and uniform stability for impulsive nonlinear systems with delayed impulses, where delays are flexible between two consecutive impulsive instan...
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Bipartite consensus tracking of second-order fractional-order multi-agent systems on directed signed graphs Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-03-02 Junyan Yu, Ting Wei
This paper studies the bipartite consensus tracking problems of fractional-order multi-agent systems on directed signed graphs. Each agent is modelled as a second-order fractional-order dynamics wi...
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Stability of stochastic differential-algebraic equations with delay Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-03-02 Do Duc Thuan, Nguyen Hong Son
The aim of this paper is to study solvability and stability of stochastic differential-algebraic equations (SDAEs) with delay. It is difficult to investigate these properties for SDAEs with delay b...
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LQR controller design for affine LPV systems using reinforcement learning Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-03-02 Hosein Ranjbarpur, Hajar Atrianfar, Mohammad Bagher Menhaj
In this paper, a data-driven sub-optimal state feedback is designed for a continuous time linear parameter varying (LPV) system using reinforcement learning. Time-varying parameters lie in a poly t...
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Safe-by-construction autonomous vehicle overtaking using control barrier functions and model predictive control Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-03-02 Dingran Yuan, Xinyi Yu, Shaoyuan Li, Xiang Yin
Ensuring safety for vehicle overtaking systems is one of the most fundamental and challenging tasks in autonomous driving. This task is particularly intricate when the vehicle must not only overtak...
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Adaptive consensus with limited information for uncertain nonlinear multi-agent systems Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-03-02 Xiaoyu Xu, Yungang Liu
This paper investigates the adaptive consensus with limited information for a class of uncertain nonlinear multi-agent systems (MASs). The limited information, meaning the incomplete information tr...
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The causal α-exponential and the solution of fractional linear time-invariant systems Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-29 G. Bengochea, M. Ortigueira, L. Verde-Star
Closed-form expressions for the impulse and step responses of commensurable linear time-invariant systems are deduced and exemplified. The algorithm is based on obtaining the solution in terms of t...
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A cardinal-based numerical method for fractional optimal control problems with Caputo–Katugampola fractional derivative in a large domain Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-27 Sh. Karami, A. Fakharzadeh Jahromi, M. H. Heydari
In this paper, the piecewise Chebyshev cardinal functions (PCCFs) are handled to design a highly accurate direct method to solve a category of fractional optimal control problems (FOCPs) involving ...
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Event-triggered interval type-2 fuzzy control of networked systems with extended dissipative under Markovian switching Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-27 Xuan Zhao, Shaosheng Zhou
In this technical note, the problem of the extended dissipative control for interval type-2 fuzzy model with nonlinear network systems in the event-triggered framework is investigated. A novel dyna...
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Open-loop and closed-loop local and remote stochastic nonzero-sum game with inconsistent information structure Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-22 Xin Li, Qingyuan Qi, Xinbei Lv
In this paper, the open-loop and closed-loop local and remote stochastic nonzero-sum game (LRSNG) problem is investigated. Different from previous works, the stochastic nonzero-sum game problem und...
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Controllability and control for discrete periodic systems based on fully-actuated system approach Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-22 Lingling Lv, Zikai Li, Rui Chang, Xinyang Liu
The problem of controllability and control of linear discrete-periodic systems is investigated in this paper. The high-order fully-actuated models for linear discrete periodic time-varying systems ...
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Appointed-time safety-guaranteed control for spacecraft flying around non-cooperative target based on fully actuated system theory Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-22 Youpeng Xing, Zeyang Yin, Caisheng Wei
Oriented to the control problem of the spacecraft flying around the non-cooperative target, an appointed-time safety-guaranteed control method based on the fully actuated system theory is proposed ...
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Fully actuated system approach for spacecraft rendezvous system with actuator saturation Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-22 Qian Wang, Yan Jin
This paper explores the application of a fully actuated system (FAS) approach to a spacecraft rendezvous system with actuator saturation. A FAS model for the spacecraft rendezvous system is develop...
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Tracking control for nonlinear high-order fully actuated system with state constraints: an explicit reference governor approach Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-22 Lin Yang, Yuanlong Li
This paper studies the tracking control problem of nonlinear high-order fully actuated system subject to state constraints. In order to guarantee the stability of the closed-loop system, a generali...
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Identification of nonlinear system with time delay based on wavelet packet decomposition and Gaussian kernel GMDH network Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-22 Jun Yan, Junhong Li, Guixiang Bai, Tiancheng Zong
This article addresses the identification problem of the input nonlinear closed-loop system with unknown time delay (INCTD). An identification algorithm of the INCTD system which combines the wavel...
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High-order fully actuated system models for discrete-time strict-feedback systems with increasing dimensions Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-22 Xiang Xu
This work aims to propose a high-order fully actuated system (FAS) model for discrete-time strict-feedback systems with nonuniform dimensions. In most of existing works, the authors only consider s...
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A high-order fully actuated predictive control approach for spacecraft flying-around Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-17 Da-Wei Zhang, Guo-Ping Liu
Under the framework of high-order fully actuated (HOFA) system theory, this study investigates a spacecraft flying-around problem in a sight coordinate system. In this sight coordinate system, a no...
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Improved μ-state estimation for Markovian switching CVNNs with mixed delays: event-triggered mechanism Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-17 Tengfei Duan, Weiqiang Gong, Qiang Li, Kai Wang, Fanrong Sun
In this paper, the μ-state estimation issue for Markovian switching complex-valued neural networks with mixed delays has been addressed. To conserve communication resources, an effective event-trig...
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Optimal design of I-PD controller for disturbance rejection of time delayed unstable and integrating-unstable processes Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-17 Erdal Cokmez, Ibrahim Kaya
Disturbance rejection has always been a major phenomenon in control theory. Disturbances that arise in control of unstable or integrating unstable processes with time delay present considerable dif...
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Safe tracking control based on a secure boundary protection method for nonlinear systems with unknown initial tracking condition Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-16 Songnan Zou, Xiaohua Li, Yang Liu
Aiming to the sudden change of the system actual output constraint, a novel safe tracking control strategy is investigated for a class of non-strict feedback nonlinear systems with unknown initial ...
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Backstepping-based adaptive fuzzy tracking control for pure-feedback nonlinear multi-agent systems Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-13 Yi Chang, Zhiguang Feng, Xun Zhang
This work developed an adaptive fuzzy tracking control strategy for pure-feedback nonlinear multi-agent systems via backstepping. The relevant unknown functions are addressed by fuzzy logic systems...
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Non-predictor event-triggered controller for high-order feedforward nonlinear systems with unknown time-varying delays in the states and input Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-13 Min-Sung Koo, Ho-Lim Choi
This paper studies the global regulation problem by a non-predictor event-triggered controller for high-order feedforward nonlinear systems with unknown time-varying delays in the states and input....
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A heterogeneous picture fuzzy SWARA-MARCOS evaluation framework based on a novel cross-entropy measure Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-13 Juan Juan Peng, Xin Ge Chen, Hao Tan, Jing Yi Sun, Qing Qi Long, Luo Luo Jiang
Multi-criteria decision-making (MCDM) entails a heterogeneous decision-making problem, which poses challenges for decision-makers (DMs) in generating an optimal solution. To address this, we have p...
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Optimal portfolio strategy of wealth process: a Lévy process model-based method Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-13 Haoran Yi, Yuanchuang Shan, Huisheng Shu, Xuekang Zhang
This paper is concerned with the optimal portfolio problem for a company that can invest in two risky assets, where a novel Lévy-process-driven model is constructed to describe the dynamics of the ...
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Fixed-time adaptive event-triggered control for multiagent systems with full-state constraints Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-13 Chenyu Tian, Hongjing Liang
This paper investigates the fixed-time adaptive event-triggered control problem for a class of nonlinear multiagent systems with full-state constraints. The problem of full-state constraints is sol...
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Improved stability and stabilisation conditions of uncertain switched time-delay systems Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-13 Cai Liu, Fang Liu, Tianqing Yang, Kangzhi Liu
This article is concerned with the stability and stabilisation of switched time-delay systems (STDSs) with exponential uncertainty. Based on the Hurwitz convex combination and the energy attenuatio...
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Finite-time adaptive optimal control of uncertain strict-feedback nonlinear systems based on fuzzy observer and reinforcement learning Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-08 Yue Sun, Ming Chen, Kaixiang Peng, Libing Wu, Cungen Liu
This paper proposes an adaptive optimal control strategy of finite-time control for high-order uncertain strict-feedback nonlinear systems. Firstly, a reinforcement learning (RL) based an optimal c...
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A model-free deep integral policy iteration structure for robust control of uncertain systems Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-08 Ding Wang, Ao Liu, Junfei Qiao
In this paper, we develop an improved data-based integral policy iteration method to address the robust control issue for nonlinear systems. Combining multi-step neural networks with pre-training, ...
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Robust fault-tolerant stabilisation of uncertain high-order fully actuated systems with actuator faults Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-08 Mengtong Gong, Li Sheng, Donghua Zhou
This paper presents a novel fault tolerance strategy for a class of uncertain high-order fully actuated systems (FASs) with actuator faults. Recently, the FAS approaches have been rapidly developed...
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Robust estimation and control of uncertain affine nonlinear systems using predictive sliding mode control and sliding mode observer Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-06 Khadidja Saoudi, Khansa Bdirina, Kamel Guesmi
This paper proposes an enhanced and robust tracking control method for the class of uncertain and disturbed affine nonlinear systems. The approach is based on predictive sliding mode control (PSMC)...
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Cyber resilience assessment and enhancement of cyber-physical systems: structural controllability perspective Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-06 Zahra Azimi, Ahmad Afshar
In this paper, we address the problem of developing a unified method for quantifying and improving the cyber resilience of large-scale cyber-physical systems (CPSs) against cyber-attacks targeting ...
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Enhanced decentralised fractional-order control using tree seed optimisation and singular value analysis Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-02 K. R. Achu Govind, Subhasish Mahapatra, Soumya Ranjan Mahapatro
Higher-order multi-input multi-output systems pose challenges in terms of stability and control performance due to increased complexity and interactions between multiple subsystems. Hence, this res...
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Exponential stability for discrete-time impulsive positive singular system with time delays Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-01 Nguyen Huu Sau, Mai Viet Thuan, Nguyen Thi Phuong
This paper investigates the impulsive stability analysis issues of discrete-time positive singular systems with time delay. First, the paper addresses the positivity problem of the system by provid...
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Second-order neutral impulsive stochastic evolution equations with infinite delay: existence, uniqueness and averaging principle Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-02 Chungang Shi
In this paper, a class of second-order neutral impulsive stochastic evolution equations with infinite delay driven by fractional Brownian motion and Poisson jumps is considered. We utilise the Cara...
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Stabilisation of multi-agent systems over finite fields based on high-order fully actuated system approaches Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-01 Yunsi Yang, Jun-e Feng, Lei Jia
In this paper, the controllability of multi-agent systems over finite fields is studied based on the high-order fully actuated (HOFA) system approaches. The concept of HOFA systems over finite fiel...
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Event-triggered prescribed time adaptive fuzzy output-feedback control for nonlinear systems subject to bounded disturbances via command filtering Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-02-01 Qingkun Yu, Xiqin He, Libing Wu, Liangdong Guo
The issue of prescribed time adaptive fuzzy output-feedback event-triggered control strategy subject to bounded disturbances is considered in this paper. For the unmeasured states, an adaptive fuzz...
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Bayesian filter for failure times identification of moving heat sources in 2D geometry Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-01-31 Mohamed Salim Bidou, Sylvain Verron, Laetitia Perez, Laurent Autrique
This study investigates the application of the Bayesian filter method for identifying failure times in a 2D parabolic partial differential equation system. The identification of failure times in th...
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A comparison of three algorithms in the filtering of a Markov-modulated non-homogeneous Poisson process Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-01-31 Yuying Li, Rogemar Mamon
A Markov-modulated non-homogeneous Poisson process (MMNPP), whose intensity process is designed to capture both the cyclical and nonrecurring trends, is considered for modelling the total count of ...
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A survey on sparrow search algorithms and their applications Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-01-31 Jiankai Xue, Bo Shen
The sparrow search algorithm (SSA) is an efficient swarm-intelligence-based algorithm that has made some significant advances since its introduction in 2020. A detailed overview of the basic SSA an...
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Formation control for swarm system with dynamic obstacles Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-01-31 Z. X. Lan, Y. C. Guan, Y. Chen
This paper presents a formation control method for a swarm system, wherein each agent is capable of avoiding dynamic obstacles to reach a target area on the plane. Firstly, the collision hazard are...
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FlexRay protocol based distributed nonfragile dissipative filtering of state-saturated switched stochastic systems Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-01-31 Chenchen Zheng, Hua Fu, Jianjun Bai, Xueyang Meng, Yun Chen
This article concentrates on the finite-time nonfragile distributed dissipative filtering issue for time-varying switched stochastic systems (SSSs) with state saturations over wireless sensor netwo...
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A survey on fuzzy control for mechatronics applications Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-01-31 Radu-Emil Precup, Anh-Tu Nguyen, Sašo Blažič
Fuzzy control has become one of the most effective tools for dealing with complex engineering processes. Over the years, research on fuzzy control systems has continuously evolved, witnessing numer...
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Improved model order reduction techniques with error bounds Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-01-31 Shabana Bashrat, Muhammad Imran, Safia Akram, Abdul Wakeel, Nauman Anwar Baig, Asim Zaheer Ud-Din
This paper introduces two enhanced model order reduction techniques designed for scenarios involving frequency-weighted and frequency-limited-interval Gramians in the continuous-time domain. The pr...
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Deep variational Luenberger-type observer with dynamic objects channel-attention for stochastic video prediction Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-01-31 Dong Wang, Chuanbo Wen, Xiaoliang Feng
Considering the inherent stochasticity and uncertainty, predicting future video frames is exceptionally challenging. In this work, we study the problem of video prediction by combining interpretabi...
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Privacy-preserving consensus via edge-based state decomposition Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-01-31 Shengtong Lin, Ao Cao, Tongtong Chen, Fuyong Wang
This paper makes further generalisations based on the application of edge-based state decomposition methods on average consensus. The edge-based state decomposition method is a privacy-preserving t...
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Finite-time sliding-mode observer based distributed robust fault tolerant control for multi-agent systems against actuator and sensor faults Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-01-31 Zhengyu Ye, Ziquan Yu, Yuehua Cheng, Bin Jiang
The faults of actuators and sensors have adverse impacts on the distributed control of the multi-agent systems (MASs). This study addresses the problem of fault-tolerant control (FTC) for MAS subje...
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A proximal forward-backward splitting based algorithmic framework for Wasserstein logistic regression using heavy ball strategy Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-01-31 Bo Zhou, Yuefei Yuan, Qiankun Song
In this paper, a forward-backward splitting based algorithmic framework incorporating the heavy ball strategy is proposed so as to efficiently solve the Wasserstein logistic regression problem. The...
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Improved time-varying Halanay inequality with impulses and its application to stability analysis of time-varying semi-Markov switched systems with time-delays Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-01-31 Qian Liu, Yong He, Chongyang Ning
We propose an improved time-varying Halanay inequality with impulses. This Halanay inequality can be applied to indefinite multiple Lyapunov functions to handle the interactions between subsystems ...
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Efficient LQG control for wireless networked control systems without packet acknowledgement Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-01-31 Jianhuai Dong, Zhixuan Dong
This paper studies the linear quadratic Gaussian (LQG) control problem for wireless networked control systems (WNCSs) without packet acknowledgement. In WNCSs, packets may be randomly lost in both ...
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Attitude tracking of rigid bodies using exponential coordinates and a disturbance observer Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-01-30 Javier Pliego-Jiménez, Miguel Sidón-Ayala, José Daniel Castro-Díaz
In this paper, we study the problem of attitude trajectory tracking of rigid bodies subject to external disturbances. The attitude control problem has been studied in the last decades and novel sol...
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Moving horizon estimation based on distributionally robust optimisation Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-01-30 Aolei Yang, Hao Wang, Qing Sun, Minrui Fei
This paper presents a novel moving horizon estimation approach based on distributionally robust optimisation to tackle the state estimation problem of non-linear systems with missing noise distribu...
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Adaptive security control for uncertain delayed semi-Markov jump systems subject to cyber attacks and actuator failures Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-01-30 Junye Zhang, Zhen Liu, Quanmin Zhu
This note investigates the adaptive security control issue for uncertain delayed semi-Markov jump systems (DSMJSs) within the framework of sliding mode control (SMC), in which the DSMJSs are affect...
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Prescribed-time fault-tolerant control for the formation of quadrotors based on fully-actuated system approaches Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-01-30 Mingsong Li, Ke Zhang, Yonghao Ma, Bin Jiang
This paper investigates the problem of prescribed-time fault-tolerant control for the formation of quadrotors by utilising the fully-actuated system approach. Since not all quadrotors can directly ...
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Adaptive terminal sliding mode active fault-tolerant control for a class of uncertain nonlinear systems with application of aircraft wing model with actuator faults Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-01-30 Mahdi Abbasi Mahalle, Amin Ramezani, Ali Moarefianpour
In this paper, the adaptive finite-time fault-tolerant control (FTC) problem is investigated for uncertain nonlinear strict-feedback systems. The strict-feedback nonlinear system considered in this...
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Adaptive fuzzy anti-saturation tracking control for uncertain nonlinear systems with external disturbance Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-01-30 Baomin Li, Mou Chen
In this paper, a predictive-based adaptive anti-saturation tracking control scheme is designed for uncertain multiple-input and multiple-output (MIMO) nonlinear systems subject to input constraints...
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Dissipativity-based iterative learning control for singular systems Int. J. Syst. Sci. (IF 4.3) Pub Date : 2024-01-30 Meiyu Zhang, Panpan Gu, Senping Tian
In this paper, the framework of dissipativity-based iterative learning control for singular systems (SSs) is established for the first time. Firstly, under the P-type learning algorithm, it has bee...