-
Optimization tools for Twin-in-the-Loop vehicle control design: analysis and yaw-rate tracking case study Eur. J. Control (IF 3.4) Pub Date : 2024-04-16 Federico Dettù, Giacomo Delcaro, Simone Formentin, Stefano Varisco, Sergio Matteo Savaresi
Given the urgent need to simplify the end-of-line tuning of complex vehicle dynamics controllers, the Twin-in-the-Loop Control (TiL-C) approach was recently proposed in the automotive field. In TiL-C, a digital twin is run in real time on-board the vehicle to compute a nominal control action; an additional controller is used to compensate for the mismatch between the simulator and the actual vehicle
-
Edge-based distributed primal–dual algorithms for seeking generalized Nash equilibria Eur. J. Control (IF 3.4) Pub Date : 2024-04-15 Huaqing Li, Lüming Fan, Liang Ran, Zheng Wang, Zuqing Zheng, Zhe Li, Songyang Li, Lifeng Zheng, Jun Li
This paper introduces two novel distributed algorithms aimed at finding the generalized Nash equilibria (GNE) in noncooperative games. To tackle this, we utilize the variational inequality framework, transforming the noncooperative game into the challenge of identifying the zeros of a sum of monotone operators. Within noncooperative games, the decisions made by individual players are interlinked via
-
A new [formula omitted] control method of singular time-delay systems based on a variable memory state feedback Eur. J. Control (IF 3.4) Pub Date : 2024-04-15 Ya-Li Zhi, Lanyu Xiong, Xiaohan Fang, Ying Wang, Changbo He
This paper is concerned with the control problem of singular time-delay systems. A variable memory state feedback is established with state decomposition. It is verified that this feedback including the traditional memory and memoryless state feedbacks as special cases, and thus it is more general than these existing feedback strategies Based on the proposed feedback, a new control method with better
-
Reset Unknown Input Observer for robust actuator and sensor fault estimation based on a descriptor system approach Eur. J. Control (IF 3.4) Pub Date : 2024-04-05 Iman Hosseini, Abbas Karami, Mirko Fiacchini
This paper proposes a Reset Unknown Input Observer (R-UIO) using descriptor approach. The proposed R-UIO can be employed for estimating actuator and sensor faults in linear systems which are subject to external disturbances. In the R-UIO, states of the observer are reset to the after-reset value based on an appropriate reset law in order to decrease the sum of estimation squared error. By introducing
-
Robust output regulation of a class of uncertain nonlinear minimum phase systems perturbed by unknown external disturbances Eur. J. Control (IF 3.4) Pub Date : 2024-04-05 Yizhou Gong, Fanglai Zhu, Yang Wang
This paper addresses the problem of robust output regulation for uncertain nonlinear minimum phase systems affected by an unknown external disturbance. We present a novel unknown input observer (UIO)-embedded high-gain stabilizer to completely reconstruct the disturbance in a finite time. A new saturation function is introduced to prevent finite time escape of the closed-loop trajectories. This allows
-
Active fault control based on interval observer for discrete-time linear switched systems Eur. J. Control (IF 3.4) Pub Date : 2024-04-05 Ghassen Marouani, Dang Khai Nguyen, Thach Ngoc Dinh, Tarek Raïssi
This paper presents a comprehensive investigation on active fault tolerant control (AFTC) for discrete-time switched systems subject to disturbances and known switching signals. The proposed approach employs interval observers in a two-step implementation strategy. Firstly, a fault detection and isolation (FDI) module based on interval observers is introduced to estimate actuator faults affecting the
-
On feedback linearization of multi-input nonlinear control systems via time scaling and prolongation Eur. J. Control (IF 3.4) Pub Date : 2024-04-05 Dmitry A. Fetisov
Currently, there are no necessary and sufficient conditions for linearizability of multi-input nonlinear control systems of general form in a class of transformations that include not only state and input changes, but also time scaling. In the present paper, we show that the problem of feedback linearizing a multi-input nonlinear control system via time scaling can be solved by constructing the Pfaffian
-
LMI-based robust PID controller with measurement filter for nth-order systems Eur. J. Control (IF 3.4) Pub Date : 2024-04-05 Elder Pereira Fenili, Leonardo Amaral Mozelli, Fernando Oliveira Souza
A new method for designing control loops containing a Proportional–Integral–Derivative (PID) controller and measurement filter is proposed. For this purpose, a closed-loop system composed of an uncertain transfer function of arbitrary degree, a PID controller in parallel form, and a measurement filter is rewritten in the state-space. Under this new setting, the performance constraints can be formulated
-
Pinning control of simplicial complexes Eur. J. Control (IF 3.4) Pub Date : 2024-04-04 Ruya Xia, Linying Xiang
In this paper, pinning control of simplicial complexes is investigated. The -dimensional simplicial complex can be successfully pinned to a desired state (i.e., an equilibrium of the intrinsic dynamics) under the proposed control scheme. The local stability of synchronization in the pinned simplicial complex is analyzed and discussed. The relationship between pinning synchronization and the individual
-
A new approach for dynamic output feedback control design of time-delayed nonlinear systems Eur. J. Control (IF 3.4) Pub Date : 2024-04-04 Márcia L.C. Peixoto, Paulo S.P. Pessim, Reinaldo M. Palhares
This paper introduces a full-order dynamic output-feedback (DOF) controller for discrete-time nonlinear systems with time-varying delays represented by Linear Parameter-Varying (LPV) systems. The controller design is carried out by developing delay-dependent Linear Matrix Inequality based conditions using Lyapunov–Krasovskii stability arguments. A notable characteristic of the proposed approach is
-
A numerical method for ergodic optimal control of switching diffusions with reflection Eur. J. Control (IF 3.4) Pub Date : 2024-04-04 Saul C. Leite, Marcelo D. Fragoso
The ergodic or long run average cost control problem for diffusions is one of the classical problems of stochastic control that still eludes a completely satisfactory treatment. This is certainly true for the setting in which the systems to be controlled is modeled by the solution of a (SSDER). In this paper, we advance in this rather difficult problem by setting forth preliminary results for the unidimensional
-
Remarks on a controlled degenerate diffusion process Eur. J. Control (IF 3.4) Pub Date : 2024-04-04 Cloud Makasu
We establish explicit estimates for a two-dimensional LQG homing problem with a zero terminal cost under the assumption that the controlled diffusion process is degenerate. The present results extend and complete those in Lefebvre (2013) which are given explicitly for a particular interesting case. Our main tool is a nonlinear integral inequality of the Gronwall type. As an application, we consider
-
Optimal time-invariant distributed formation tracking for second-order multi-agent systems Eur. J. Control (IF 3.4) Pub Date : 2024-04-04 Marco Fabris, Giulio Fattore, Angelo Cenedese
This paper addresses the optimal time-invariant formation tracking problem with the aim of providing a distributed solution for multi-agent systems with second-order integrator dynamics. In the literature, most of the results related to multi-agent formation tracking do not consider energy issues while investigating distributed feedback control laws. In order to account for this crucial design aspect
-
Semi-global exponential stabilization of stochastic nonlinear systems with distributed delay under discrete-time state observations and application to circuit systems Eur. J. Control (IF 3.4) Pub Date : 2024-04-04 Ning Zhang, Yajun Yao, Wenxue Li
This paper is aimed at studying the semi-global exponential stabilization problem for stochastic nonlinear systems with distributed delay under discrete-time state observations. An extended definition of horizontal translation of the segment function along the investigated systems is given, related to the stochastic disturbance and Brownian motion. Basically, the right and upper Dini’s derivative of
-
Analysis of the exponential stability of a beam-string-beam transmission problem with local damping on the string Eur. J. Control (IF 3.4) Pub Date : 2024-04-01 Bienvenido Barraza Martínez, Jonathan González Ospino, Jairo Hernández Monzón
We consider a beam-string-beam problem, where two undamped beams are coupled to a locally damped string (first by a damping of frictional type and then by one of Kelvin–Voigt (K–V) type) by transmission conditions. We show that for this structure, the dissipation produced by the frictional part is strong enough to produce an exponential decay of the solution no matter how small is its size, but the
-
Fixed-time stabilization and [formula omitted] control of time-delay port-controlled Hamiltonian systems Eur. J. Control (IF 3.4) Pub Date : 2024-03-30 Yufei Chen, Qihuai Liu
In this paper, we investigate the fixed-time stability (FxTS) and fixed-time control design of time-delay port-controlled Hamiltonian (PCH) systems. Firstly, we establish an improved FxTS criterion. Secondly, by utilizing this criterion and interconnection and damping assignment passivity-based (IDA-PBC) technique, two new FxTS results are given for PCH systems with the assumption about Hamiltonian
-
Performance recovery-based adaptive saturated fault-tolerant control of uncertain nonlinear systems with actuator switching and periodic disturbances Eur. J. Control (IF 3.4) Pub Date : 2024-03-07 WenJing Wu, Ben Niu, Ning Xu, Xudong Zhao, Yunfeng Liu
This paper studies an adaptive saturated fault-tolerant control problem for uncertain nonlinear systems with periodic disturbances. In contrast to previous fault-tolerant control methods, a case of deferred actuator switching is taken into account, which stands for a more common situation. By designing monitoring functions and reconfigurable controllers, tracking errors can be recovered to prescribed
-
Predefined-time sliding mode attitude control for liquid-filled spacecraft with large amplitude sloshing Eur. J. Control (IF 3.4) Pub Date : 2024-02-29 Xiaojuan Song, Zhiwen Fan, Shufeng Lu, Yulong Yan, Baozeng Yue
In the present study, a predefined-time attitude stabilization for liquid-filled spacecraft with large liquid sloshing is investigated under input saturation and external disturbance. First, the large slosh of the liquid is equivalent to the motion pulsating ball model (MPBM), and the dynamic model of the rigid-liquid coupling system is established. Then, liquid sloshing state quantity-related items
-
A practical solution for multivariable control of temperature and humidity in greenhouses Eur. J. Control (IF 3.4) Pub Date : 2024-02-25 Francisco García-Mañas, Tore Hägglund, José Luis Guzmán, Francisco Rodríguez, Manuel Berenguel
This paper presents a simple and effective control solution to regulate temperature and humidity inside a greenhouse, which are the main climatic variables affecting crop growth and health. A multivariable control strategy with inverted decoupling is proposed in two schemes. The nighttime control scheme uses heating and dehumidification, and the daytime control scheme uses natural ventilation, dehumidification
-
Adaptive prescribed performance output feedback control for full-state-constrained DC motors subject to uncertainties and input saturation Eur. J. Control (IF 3.4) Pub Date : 2024-02-24 Zhangbao Xu, Jialin Ren, Xin Zhou, Jianyong Yao
An adaptive output feedback controller with prescribed performance is performed for full-state-constrained DC motors with uncertainties (including parametric uncertainties and disturbances). A distinguishing feature is that when only partial states are measurable, not only parametric uncertainties and disturbances are addressed but also the quantitative analysis of control error and state constraints
-
Integral sliding mode control for uncertain impulsive stochastic systems Eur. J. Control (IF 3.4) Pub Date : 2024-02-24 Lei Song, Yongming Li, Shaocheng Tong
This paper studies the integral sliding mode control (ISMC) for uncertain impulsive stochastic systems. An ISMC law is proposed by designing a new integral sliding surface. Then, by constructing a piecewise time-dependent Lyapunov function, the uniformly almost surely exponentially stability conditions of the closed-loop system are established. Furthermore, an optimal design algorithm of solving control
-
Arbitrary coefficient assignment to the characteristic function of the scalar type for linear systems with state delays by linear static delayed output feedback Eur. J. Control (IF 3.4) Pub Date : 2024-02-20 Vasilii Zaitsev, Inna Kim
We consider a control system defined by a system of linear differential equations in real or complex space with multiple lumped and distributed delays in the state variable. For this system, we study the problem of arbitrary coefficient assignment for the characteristic function of the scalar type by linear static delayed output feedback with lumped and distributed delays. We obtain necessary and sufficient
-
Active disturbance rejection control of flexible industrial manipulator: A MIMO benchmark problem Eur. J. Control (IF 3.4) Pub Date : 2024-02-15 Safinaz Ben Messaoud, Mohammed Belkhiri, Ahmed Belkhiri, Abdelhamid Rabhi
Robotic manipulators are widely used in modern industry. In order for robot manipulators to achieve trajectory tracking control, the end-effectors must move precisely along the given trajectories. The nonlinearity, strong coupling, and uncertainty of the system make trajectory tracking very complicated and difficult. An approach for robust feedback control is presented in this paper as a solution to
-
Fuzzy observer-based control of MIMO interconnected systems subject to state delay, input nonlinearities, quantized input and output and sensor and actuator faults Eur. J. Control (IF 3.4) Pub Date : 2024-02-13 Aref Ghoreishee, Mohammad Shahrokhi, Mohammaderfan Mohit
This work investigates the design of a fault-tolerant quantized fuzzy observer-based controller for MIMO interconnected non-strict feedback time-delay systems subject to quantized output, sensor and actuator faults, input nonlinearities, and unknown dynamics. Compared to existing controllers for MIMO interconnected systems, the quantization of input and output signals are considered which makes the
-
Adaptive tracking control of a magnetic levitation system based on class [formula omitted] function Eur. J. Control (IF 3.4) Pub Date : 2024-02-09 Ke Shao
In this letter, an adaptive nonsingular terminal sliding mode (ANTSM) controller is proposed for a magnetic levitation system (MLS). Class function is utilized for designing the adaptive gain and based on which, the sliding variable asymptotically converges to a neighborhood around zero whose size can be tuned to be arbitrarily small by tuning the function’s parameters. Then, the introduced nonsingular
-
Adaptive command-filtered control for system with unknown control direction caused by input backlash Eur. J. Control (IF 3.4) Pub Date : 2024-02-09 Guofa Sun, Guoju Zhang
For nonlinear system subject to unknown control direction caused by input backlash, an adaptive command-filtered control strategy is presented in this work. The proposed control method not only overcomes “computational complexity explosion” inherent in traditional backstepping method, but also guarantees rapid convergence of tracking error. Meanwhile, a salient characteristic of command-filtering error
-
Continuous–discrete derivative-free extended Kalman filter based on Euler–Maruyama and Itô–Taylor discretizations: Conventional and square-root implementations Eur. J. Control (IF 3.4) Pub Date : 2024-01-30 Maria V. Kulikova, Gennady Yu. Kulikov
In this paper, we continue to study the derivative-free extended Kalman filtering (DF-EKF) framework for state estimation of continuous–discrete nonlinear stochastic systems. Having considered the Euler–Maruyama and Itô–Taylor discretization schemes for solving stochastic differential equations, we derive the related filters’ moment equations based on the derivative-free EKF principal. In contrast
-
Impulse analysis in Kronecker form and impulse elimination for rectangular descriptor systems Eur. J. Control (IF 3.4) Pub Date : 2024-01-30 Abhinav Kumar, Mahendra Kumar Gupta
Contrary to regular descriptor systems, there are various notions for impulse freeness and impulse controllability for rectangular linear descriptor systems. Moreover, rectangular descriptor systems generally do not have solutions for arbitrary initial conditions. This paper studies the conditions for free of impulse, and no impulsive modes admitting arbitrary initial conditions in the form of Kronecker
-
-
A minimum operator based discrete variable structure control Eur. J. Control (IF 3.4) Pub Date : 2024-01-18 Parijat Prasun, Shyam Kamal, Sandip Ghosh, Thach Ngoc Dinh
The objective of this article is to propose a reaching law for discrete variable structure control that utilizes a minimum operator based structure. The proposed solution has the features of modified Gao’s method when the system states are distant with respect to the equilibrium point and Utkin’s equivalent control-based method when states are in the vicinity of the equilibrium point. As a result,
-
Data-driven Second-order Sliding Mode Fault-Tolerant Control for a Class of Discrete-time Nonlinear Systems Eur. J. Control (IF 3.4) Pub Date : 2024-01-17 Yaozhen Han, Mingdong Hou
The current paper presents a data-driven discrete-time integral second-order sliding mode fault-tolerant control (DISSM-FTC) strategy for a category of discrete-time nonlinear systems. The characteristic of the presented control strategy can be easily implemented because it only employs the system's input and output data model through a partial form dynamic linearization (PFDL) approach. At the same
-
Uniform asymptotic and input to state stability by indefinite Lyapunov functions Eur. J. Control (IF 3.4) Pub Date : 2024-01-11 Gökhan Şahan, Derya Özdemir
In this work, we study uniform, uniform asymptotic, and input-to-state stability conditions for nonlinear time-varying systems. We introduce an easily verifiable condition for uniform attractivity by utilizing an indefinite sign upper bound for the derivative of the Lyapunov function. With this bounding structure, we propose novel conditions that enable us to test uniform stability, uniform asymptotic
-
On the regional tracking problem of the bilinear wave equation subject to bounded controls Eur. J. Control (IF 3.4) Pub Date : 2024-01-06 El Hassan Zerrik, Abderrahman Ait Aadi, Mohamed Ouhafsa
This research focuses on a regional optimal control problem of a bilinear wave equation evolving on a spatial domain , where . The equation is excited by bounded controls that act on the velocity term. The main objective of this study is to minimize a functional cost, which involves tracking a desired state within a subregion of and the energy term over the time interval . We successfully prove the
-
Nonlinear control providing the plant inputs and outputs in given sets Eur. J. Control (IF 3.4) Pub Date : 2024-01-05 Igor B. Furtat, Pavel A. Gushchin, Ba Huy Nguyen
The paper considers the design of a novel control law that guarantees to find inputs and outputs in given (prescribed) sets. The proposed method is based on two coordinate changes. The first coordinate change transforms the output variable into a new one whose dimension is equal to or less than the dimension of the input. The second coordinate change transforms a constrained control problem into an
-
Mathematical modelling and optimal control analysis of pandemic dynamics as a hybrid system Eur. J. Control (IF 3.4) Pub Date : 2024-01-03 Sheetal Dharmatti, Nandakishor Krishnan
The study of epidemics using mathematical modelling is critical in understanding its dynamics and proposing potential control measures. We propose a generalised epidemiological model corresponding to a pandemic wherein its dynamics is represented as a novel hybrid system obtained by coupling a deterministic model with a stochastic model. The hybrid system dynamics is established in individualistic
-
A game approach to multi-dimensional opinion dynamics in social networks with stubborn strategist agents Eur. J. Control (IF 3.4) Pub Date : 2024-01-03 Hossein B. Jond, Aykut Yıldız
In a social network, individuals express their opinions on several interdependent topics, and therefore the evolution of their opinions on these topics is also mutually dependent. In this work, we propose a differential game model for the multi-dimensional opinion formation of a social network whose population of agents interacts according to a communication graph. Each individual’s opinion evolves
-
Boundedness analysis of neutral stochastic systems driven by G-Brownian motion Eur. J. Control (IF 3.4) Pub Date : 2023-12-15 Liguang Xu, Danhua He, Quanxin Zhu
This paper is concerned with exponential ultimate boundedness problem for a class of neutral stochastic differential systems driven by G-Brownian motion. By developing a method that combines the comparison principle and the reduction to absurdity, we provide sufficient conditions for exponential ultimate boundedness in the mean square of neutral stochastic differential systems driven by G-Brownian
-
Output feedback and adaptive output feedback control design for input-affine nonlinear systems based on Riemannian metrics Eur. J. Control (IF 3.4) Pub Date : 2023-12-14 Mohammad Boveiri, Mohammad Saleh Tavazoei
This paper deals with output feedback and adaptive output feedback control design for input-affine nonlinear systems on the basis of Riemannian metrics. Firstly, an observer for the considered class of nonlinear systems is proposed. Then, it is shown that by combining the introduced observer with state-feedback controllers in a suitable way, output tracking can be achieved. Moreover, the obtained results
-
Uncertainty and velocity observer-based predefined-time nonsingular terminal sliding mode control of the underwater robot manipulators Eur. J. Control (IF 3.4) Pub Date : 2023-12-13 Saeed Zaare, Mohammad Reza Soltanpour
This paper introduces an observer-based predefined-time nonsingular terminal sliding mode control to the position tracking control of the n-degree-of-freedoms underwater robot manipulators subject to the uncertainty compensation and sensor reduction. The proposed sliding surface has only the sliding phase, while the reaching phase is eliminated using a continuous augmented function. Besides, the sliding
-
Optimal analytical cascade control for FOPDT systems Eur. J. Control (IF 3.4) Pub Date : 2023-12-04 Arnaldo Pinheiro de Azevedo, Tito Luís Maia Santos, Julio Elias Normey-Rico
This paper proposes a novel control strategy based on optimal Linear Quadratic Regulator (LQR) design applied to cascade systems with stable, integrative, and unstable First Order plus Dead-Time (FOPDT) outer loop models. The secondary (inner) and primary (outer) loop controller designs are performed using the Simplified Filtered Smith Predictor (SFSP). The optimal analytical design is derived from
-
State estimation and sliding-mode fault-tolerant control of a class of nonlinear systems with actuator faults under the event-triggered mechanism Eur. J. Control (IF 3.4) Pub Date : 2023-12-02 Enze Zhang, Qingnan Huang, Qiqi Wu, Shan Su, Zhongqing Wei
The current work is an analytical study of the problem of state estimation and fault-tolerant control (FTC) based on dynamic event triggered mechanism (ETM) in the event of actuator fault for a class of nonlinear systems in a network environment. First, a state estimator module is designed in conjunction with the designed dynamic ETM, and an integral sliding surface (SS) is designed in the estimation
-
Optimal non-fragile control design for linear systems under amplitude and rate saturation: An LMI approach Eur. J. Control (IF 3.4) Pub Date : 2023-12-02 Majid Shahbazzadeh, Homa Salehifar
In this paper, the problem of optimal non-fragile guaranteed cost control design for linear systems subject to input amplitude and rate saturation is addressed. Sufficient conditions for the existence of a non-fragile state feedback are obtained by Lyapunov stability theory. The designed controller not only guarantees the asymptotic stability of the overall closed-loop system with a minimum upper bound
-
Improved prescribed performance fuzzy control for nonlinear multiagent systems with actuator faults and dual input saturations Eur. J. Control (IF 3.4) Pub Date : 2023-12-02 Quan Wan, Liang Cao, Yingnan Pan, Wenshuai Lin
This paper conducts the distributed adaptive prescribed performance fuzzy control design for nonlinear multiagent systems (MASs) subjected to actuator faults and dual input saturations. A unified smooth characterizing function is constructed to approximate a practical input saturations model. Then, with the aid of the mean-value theorem, Nussbaum-type function and boundary estimation method, the distributed
-
Surveillance evasion between two identical differential drive robots Eur. J. Control (IF 3.4) Pub Date : 2023-12-02 Ubaldo Ruiz
This paper addresses the problem of keeping a Differential Drive Robot (evader) inside the detection region of another Differential Drive Robot (pursuer) equipped with a bounded range sensor. The sensor is modeled as a circle centered at the pursuer’s location. The pursuer’s goal is to maintain surveillance of the evader for as long as possible. The evader has the opposite objective and wants to escape
-
Finite-time high-order sliding mode control of supercavitating vehicle based on perturbation observer Eur. J. Control (IF 3.4) Pub Date : 2023-11-30 Yuliang Bai, Zichen Zhang, Siyuan Rong, Xiaogang Wang
High precision control is one of the most important problems in the research of supercavitating vehicle. Specific motion mode and complicated environmental factors lead to some great challenges in control, such as model uncertainties, strong coupling and nonlinearity, and unknown external disturbances. Under the influence of these factors, effectively ensuring the integrated control of the depth and
-
Multi-control commercial aircraft trajectory optimization in a vertical plane with state-inequality constraints via singular control theory Eur. J. Control (IF 3.4) Pub Date : 2023-11-29 Amin Jafarimoghaddam, Manuel Soler
We present a computational framework based on singular control theory to optimize commercial aircraft flights in a vertical plane. The optimization problem involves the lift coefficient (a regular control), and throttle setting (a singular control). However, given a small aerodynamic path angle typically associated with commercial aircraft flights and the significant time-scale separation in flight
-
An adaptive continuous nonsingular fast terminal SMC for permanent magnet synchronous motor fed electric vehicle Eur. J. Control (IF 3.4) Pub Date : 2023-11-28 Dimna Denny C., Ramesh Kumar P.
This article focuses on the traction control of an electric vehicle (EV) with a permanent magnet synchronous motor (PMSM). A continuous nonsingular fast terminal sliding mode controller (CNFTSMC) with disturbance estimation capability is proposed to enhance the dynamic performance of the system. The CNFTSMC provides high accuracy, robustness against uncertainties, finite-time convergence and non-singularity
-
Interconnection-based model order reduction - a survey Eur. J. Control (IF 3.4) Pub Date : 2023-11-27 Giordano Scarciotti, Alessandro Astolfi
In this survey we present in an organic, complete, and accessible style the interconnection framework for model order reduction. While this framework originally started as a revisitation of the moment matching method, in the last 15 years it has expanded to provide solutions to the model order reduction problem for general classes of systems, such as nonlinear, time-delay, stochastic, and hybrid, and
-
-
Proportional multi-integral observer design for Takagi–Sugeno systems with unmeasurable premise variables: Conservatism reduction via polyquadratic Lyapunov function Eur. J. Control (IF 3.4) Pub Date : 2023-11-02 Wail HAMDI, Mohamed Yacine HAMMOUDI, Madina HAMIANE
In this paper, we present the design of a new unknown-input observer for Takagi–Sugeno fuzzy systems with unmeasurable premise variables. The work proposes an improvement of the simultaneous state and unknown-input observer. The main idea is to consider a non-quadratic Lyapunov function in order to reduce the conservatism of its quadratic counterpart. Moreover, the mean value theorem is used to express
-
Trochoidal patterns generation using generalized consensus strategy for double-integrator dynamic agents Eur. J. Control (IF 3.4) Pub Date : 2023-10-30 Jerome Moses Monsingh, Arpita Sinha, Hoam Chung
This article studies a distributed consensus law to achieve a coordinated trochoidal formation among a team of mobile agents. The mobile agents are modeled as double integrators. We generalize an existing consensus algorithm for double-integrator dynamics (1) to achieve trochoidal patterns under a general network topology and (2) to extend the pattern formation in a 3-D plane. Since the trochoidal
-
On Dirac structure of infinite-dimensional stochastic port-Hamiltonian systems Eur. J. Control (IF 3.4) Pub Date : 2023-10-30 François Lamoline, Anthony Hastir
Stochastic infinite-dimensional port-Hamiltonian systems (SPHSs) with multiplicative Gaussian white noise are considered. In this article we extend the notion of Dirac structure for deterministic distributed parameter port-Hamiltonian systems to a stochastic ones by adding some additional stochastic ports. Using the Stratonovich formalism of the stochastic integral, the proposed extended interconnection
-
Robust data-driven design of a jamming detection filter for airborne electromechanical actuators Eur. J. Control (IF 3.4) Pub Date : 2023-10-30 P. Boni, M. Mazzoleni, F. Previdi
The electrification of the actuations on aircraft is a technological trend towards a greener aviation. Electromechanical Actuators (EMAs) are a key item in the more electric aircraft concept. However, EMAs are still prone to the jamming of their mechanical transmission, leading to possible incidents when flight surfaces can no longer be controlled. Jamming detection algorithms are thus envisaged. In
-
Stabilization of neutral Markovian switching stochastic systems via intermittent noise: A highly nonlinear growth condition Eur. J. Control (IF 3.4) Pub Date : 2023-10-29 Chenxi Zhang, Quanxin Zhu
This paper considers the almost surely asymptotic stability of the neutral Markovian switching stochastic systems via periodically intermittent noise. Under the local Lipschitz and highly nonlinear growth conditions, novel sufficient conditions are obtained to ensure the existence and uniqueness of solutions and pth moment boundedness of intermittent stochastic systems. At the same time, by using the
-
A Lyapunov-based model predictive control strategy with a disturbances compensation mechanism for dual-arm manipulators Eur. J. Control (IF 3.4) Pub Date : 2023-10-29 Van Chung Nguyen, Hue Luu Thi, Tung Lam Nguyen
-
Data-driven design of safe control for polynomial systems Eur. J. Control (IF 3.4) Pub Date : 2023-10-29 Alessandro Luppi, Andrea Bisoffi, Claudio De Persis, Pietro Tesi
We consider the safe control problem of designing a robustly invariant set using only a finite set of data collected from an unknown input-affine polynomial system in continuous time. We consider input/state/state derivative data that are noisy, i.e., are corrupted by an unknown-but-bounded disturbance. We derive a data-dependent sum-of-squares program that enforces robust invariance of a set and also
-
General multi-switching synchronization using sliding mode control Eur. J. Control (IF 3.4) Pub Date : 2023-10-28 Mohammad Shahzad
Chaotic synchronization is a self-organizing phenomenon that occurs when two or more chaotic systems become synchronized. So far for multi-switching synchronization (MSS), only a homogeneous kind of switches have been discussed. This paper presents a generalized approach to MSS in which all possible heterogeneous combinations are presented. This generalization of MSS allows for greater flexibility
-
Lateral string stabilization of connected vehicles with time-varying longitude velocity based on gain-scheduling approach Eur. J. Control (IF 3.4) Pub Date : 2023-10-27 Shaymaa Shohani, Alireza Yazdizadeh, Arash Sadeghzadeh
This paper deals with the controller design for lateral string stabilization and vehicle following in connected vehicles with time-varying longitude velocity. The platoon of the vehicles is modeled based on LPV systems by considering the longitude velocity as scheduling parameter. To derive results less conservative than existing methods, polynomial functions are suggested to approximate various nonlinear
-
Decentralized diffusion-based learning under non-parametric limited prior knowledge Eur. J. Control (IF 3.4) Pub Date : 2023-10-26 Paweł Wachel, Krzysztof Kowalczyk, Cristian R. Rojas
We study the problem of diffusion-based network learning of a nonlinear phenomenon, m, from local agents’ measurements collected in a noisy environment. For a decentralized network and information spreading merely between directly neighboring nodes, we propose a non-parametric learning algorithm, that avoids raw data exchange and requires only mild a priori knowledge about m. Non-asymptotic estimation
-
Mean square H∞ synchronization for time-varying networks with double delays partial differential systems of Markov jump topology Eur. J. Control (IF 3.4) Pub Date : 2023-10-18 Ling Zhao, Zhenkun Huang, Honghua Bin
This paper discusses the mean-square exponential synchronization and H∞ synchronization of double time-delays partial differential systems(PDSs) with Markov jump topology. First, based on the Lyapunov functional approach and Dynkins formula, sufficient conditions are obtained for the mean-square synchronization of double time-varying delays PDSs with Markov jump topology and these conditions are presented