Showing papers in "International Journal of Systems Science in 2020"
TL;DR: The interaction estimation theory is introduced to study an on-line algorithm for joint state-parameter estimation and a bilinear state observer based recursive least squares algorithm is developed using the least squares method.
Abstract: The identification of state-space models of bilinear systems is studied in this paper. The parameters to be identified of the considered system are coupled with the unknown states, which makes the ...
TL;DR: Sufficient conditions are proposed to guarantee the existence of addressed set-membership filter in terms of certain recursive matrix inequality and an optimisation problem is proposed to minimise the hyper-ellipsoid (containing the true network state) in the sense of trace.
Abstract: This paper investigates the set-membership filtering problem for a class of nonlinear time-varying complex networks with uniformly quantised measurements over redundant channels. The network output...
TL;DR: A robust filter is first constructed for the stochastic uncertain system by utilising the average transmission power, and an upper bound is recursively obtained for the filtering error covariance in the presence of random transmission power and parameter uncertainties.
Abstract: This paper is concerned with the recursive filtering problem for a class of uncertain systems with amplify-and-forward (AF) relays. The parameter uncertainties are described by a set of norm-bounde...
TL;DR: A sufficient condition for the existence of piecewise linear filters is obtained and aconvex optimisation method is presented to derive the minimized ellipsoid in the sense of matrix trace.
Abstract: In this paper, the set-membership filtering problem is investigated for a class of piecewise linear systems with state constraintsand censored measurements under the Round-Robin (RR) protocol. Firs...
TL;DR: A novel stochastic time-delay system model is established, in which randomly occurring nonlinearities and sensor saturation phenomena are considered, and a novel functional containing negative definite terms is constructed to relax the constraints on the functional.
Abstract: This work investigates L2-L∞ filtering problem for a class of stochastic systems with time-delay and randomly occurring phenomena. The purpose of the addressed problem is to design a full order fil...
TL;DR: A sufficient stochastic passivity condition is presented on the passive control problem for Markov jump systems with piecewise-constant transition rates, random nonlinearities and random communication delays based on average dwell time method and Lyapunov stability theory.
Abstract: This paper focuses on the passive control problem for Markov jump systems with piecewise-constant transition rates, random nonlinearities and random communication delays. An observer is used to obt...
TL;DR: This paper focuses on the non-fragile distributed state estimation of discrete-time nonlinear systems over sensor networks subject to DoS attacks, whose probabilistic characterisations are adopted to reflect the reality better.
Abstract: This paper focuses on the non-fragile distributed state estimation of discrete-time nonlinear systems over sensor networks subject to DoS attacks, whose probabilistic characterisations are adopted ...
TL;DR: The robust dissipativity problem is analysed in this article for the Markovian switching complex-valued neural networks perturbed by stochastic noises, where several mode-dependent dissipativity/passivity criteria are obtained in terms of complex matrix inequalities.
Abstract: The robust dissipativity problem is analysed in this article for the Markovian switching complex-valued neural networks perturbed by stochastic noises, where the transition rates of the Markovian s...
TL;DR: A novel integral sliding surface is proposed to eliminate the singularity completely by integrating the proposed sliding surface and finite-time stability theory, and a simple nonsingular terminal sliding mode control is developed.
Abstract: This paper presents a new terminal sliding mode control for global finite-time tracking of uncertain robot manipulators. A novel integral sliding surface is proposed to eliminate the singularity co...
TL;DR: The criteria of regular, causal and stochastically stable with a certain performance for the closed-loop system are obtained and the co-design of asynchronous controllers and the dynamic event-triggered scheme is proposed in terms of a group of feasible linear matrix inequalities.
Abstract: In this paper, the problem of asynchronous H∞ control for singular Markov jump systems with redundant channels under the dynamic event-triggered scheme is studied. To save the resource of bandwidth...
TL;DR: The main purpose of this paper is to design the MFDF such that, for all nonlinearities, external disturbances and randomly occurring deception attacks, the resultant augmented system is finite-time stable and attains the performance.
Abstract: In this paper, the finite-time memory fault detection filter (MFDF) is designed for nonlinear discrete systems with randomly occurring deception attacks, where the phenomenon of the randomly occurr...
TL;DR: Using the monotonicity theory combined with the Lyapunov stability, some sufficient conditions are developed to ensure the closed-loop system with the given event-triggering scheme is input-to-state stable with the simultaneous presence of external disturbances and unknown nonlinearities.
Abstract: This paper is concerned with the interval observer-based control for a class of nonlinear systems with unknown nonlinearities. For the purpose of effectively reducing network congestion and improvi...
TL;DR: An RASMC law is synthesised to ensure the reachability criterion of pre-designed sliding surface, where an adaptive mechanism is introduced to estimate the related unknown bounds.
Abstract: This paper is concerned with the problem of robust adaptive sliding mode control (RASMC) for discrete singular systems subject to randomly occurring mixed time-delays (ROMTDs) under uncertain occur...
TL;DR: A combination of the chaotic encryption method as multi-shift cipher encryption and double chaotic masking has been suggested to enhance security in the communication system.
Abstract: This paper proposes a chaotic secure communication system between a base transmitter station and mobile equipment. To make the chaotic keys, the Chua chaotic systems are used in the mobile equipmen...
TL;DR: A novel adaptive dynamic sliding mode scheme is developed to control a group of agents to follow desired trajectories to achieve time-varying formation for second-order multi-agent systems with actuator hysteresis, unknown system dynamics and external disturbances.
Abstract: This paper considers the problem of achieving time-varying formation for second-order multi-agent systems with actuator hysteresis, unknown system dynamics and external disturbances A novel adapti
TL;DR: An improved observer-based stabilising controller is proposed for CPS including random measurements and actuation delays and it is coming under distributed denial of service (DDoS) and deception attacks.
Abstract: Cyber Physical Systems (CPS) such as power plants, water desalination utilities are just a few examples of systems that may come under stealth attacks. These attacks can threaten the proper operati...
TL;DR: The main aim of this work is to study a class of neutral type Fuzzy Cellular Neural Networks with mixed delays and D operator with new criteria established for the existence, uniqueness and global exponential stability of weighted pseudo almost automorphic solutions for the addressed model in Clifford algebra.
Abstract: The main aim of this work is to study a class of neutral type Fuzzy Cellular Neural Networks (FCNNs) with mixed delays and D operator. New criteria are established for the existence, uniqueness and...
TL;DR: This paper converts the problem with unknown coefficients in the constraint equations, performance index and conditions to an optimisation problem, by utilising the proposed collocation method based on FBWFs, pseudo-operational matrix of VO fractional derivative and the dual operational matrix.
Abstract: In the present paper, we apply the fractional-order Bessel wavelets (FBWs) for solving optimal control problems with variable-order (VO) fractional dynamical system. The VO fractional derivative op...
TL;DR: An event-triggered state-feedback controller is designed to ensure that the closed-loop system is finite-time bounded and satisfies the specified disturbance attenuation performance.
Abstract: This paper is concerned with the event-based finite-time H ∞ control problem for a class of networked state-saturated switched systems subject to time delays, nonlinear perturbations and exogenous ...
TL;DR: A system model for the power quality disturbances with multiplicative noises and correlated noises is proposed based on engineering practice and the estimation error covariance is minimised by appropriately designing the estimator gain.
Abstract: In this paper, the recursive estimation problem is investigated for the power quality disturbances. A system model for the power quality disturbances with multiplicative noises and correlated noise...
TL;DR: A method to actively reject aperiodic disturbances and to suppress uncertainties in a modified repetitive-control (RC) system, based on an equivalent-input-disturbance (EID) approach is presented.
Abstract: This paper presents a method to actively reject aperiodic disturbances and to suppress uncertainties in a modified repetitive-control (RC) system, based on an equivalent-input-disturbance (EID) app...
TL;DR: The efficacy of the proposed method is demonstrated through simulated examples based on the two practical applications of satellite control systems and aircraft flight control systems, to ensure that the resulting closed-loop switched system is exponentially stable against DoS jamming attacks and satisfies mixed and passivity performance index.
Abstract: This work studies the event-based fault-tolerant control issue of networked control systems with actuator saturation, resilient event-triggering, randomly occurring nonlinearities, and denial-of-se...
TL;DR: This work introduces the statistical information of channel fading into the measure function on the consensus tracking errors, and a feasible distributed sliding mode controller is designed by means of the received fading states.
Abstract: This paper considers the consensus tracking problem of second-order multi-agent systems. The key feature in this work is that the state transmission among followers may be subject to channel fading...
TL;DR: A novel control scheme for the trajectory tracking in a quadrotor based on a globally asymptotic stability position controller based on the hyperbolic functions that can provide a bounded and smooth control input is presented.
Abstract: This paper presents a novel control scheme for the trajectory tracking in a quadrotor. First, the kinematics and dynamics models of the quadrotor with uncertainties are developed by Newton–Euler me...
TL;DR: It is proved that the practical leader-following consensus can be achieved by the proposed protocol and a numerical simulation is provided to illustrate the effectiveness of the given protocol.
Abstract: This paper investigates the event-triggered leader-following consensus problem for a class of multiple mechanical systems with switched dynamics. Based on the graph theory, Lyapunov stability theor...
TL;DR: A delay-dependent condition is established in terms of the solution to linear matrix inequalities (LMIs) such that the consider CVNNs is asymptotically stable and an estimator gain matrix can be obtained through sampling instant.
Abstract: This paper studies the sampled-data state-estimation problem of delayed complex-valued neural networks (CVNNs). By using Lyapunov–Krasovskii functional (LKF), standard integral inequality together ...
TL;DR: New sufficient conditions are derived to ensure the global dissipativity and global exponential dissipativity of the suggested system and the globally exponential attractive sets and positive invariant sets are presented here.
Abstract: This paper is concerned with the global dissipativity of fuzzy cellular neural networks with inertial term and proportional delays. Based on Lyapunov functionals and linear matrix inequality approa...
TL;DR: The problems of stabilisation and control are addressed for switched port-controlled Hamiltonian (SPCH) systems with unstable modes and actuator saturation (AS) via energy-based multiple Lyapunov functions methods through an alternative switching law with slow/fast mode-dependent average dwell time (MDADT) switching scheme.
Abstract: In this paper, the problems of stabilisation and H∞ control are addressed for switched port-controlled Hamiltonian (SPCH) systems with unstable modes and actuator saturation (AS) via energy-based m...
TL;DR: An internal model control (IMC)-based series cascade control system for different time delay process models using fractional order IMC filter of the first order and higher order for designing controller in the outer loop based on specific maximum sensitivity.
Abstract: The cascade control is widely used in chemical industries for disturbance attenuation as an alternative to a single feedback loop. This article presents an internal model control (IMC)-based series...
TL;DR: A new discontinuous protocol, which combines a singular communication function with a weighted sum of sign functions of the relative velocities among agents, is proposed to guarantee that the agents can attract and repel with each other.
Abstract: This paper focuses on the problem of the finite-time flocking with uniform minimal distance for second-order multi-agent systems. The solutions of these issues can be viewed as the reasonable expla...