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- research-articleJune 2024
Analyzing complex fractional order systems physical phenomena in IOPI controller design
AbstractThe Fractional Complex Order Plant model, which has lately gained popularity in applied physics and control systems, is the main subject of this study. The major contribution of this study to the literature is the discussion of the physical ...
- research-articleJune 2024
Novel Caputo fractional differential approach and hybrid control scheme for finite‐time synchronization of nonidentical delayed reaction–diffusion neural networks
AbstractThis work focuses on the finite‐time synchronization (F‐TS) for nonidentical delayed neural networks (DNNs) including Caputo fractional partial differential operator and reaction–diffusion terms. A novel F‐TS lemma is proposed by constructing a ...
- research-articleJune 2024
Structural properties of linear discrete periodic systems based on fully actuated system approaches
AbstractIn this paper, the structural properties of linear discrete‐periodic systems are investigated using fully actuated system approaches and the related criteria are presented, with emphasis on the observability and controllability criteria based on ...
- research-articleJune 2024
Stability equivalence between regime‐switching jump diffusion delayed systems and corresponding systems with piecewise continuous arguments and application to discrete‐time feedback control
AbstractIn this paper, we mainly study the equivalence of exponential stability for regime‐switching jump diffusion delayed systems (RSJDDSs) and RSJDDSs with piecewise continuous arguments (RSJDDSs‐PCA). Our results show that if one of the RSJDDS and ...
- research-articleMay 2024
Model adaptive reference tracking control for uncertain robotic manipulators with input disturbance
AbstractThis article presents a simple approach for designing a linear adaptive controller, employing the model reference systems concept, to enable the tracking of uncertain robotic manipulators under the influence of input disturbances. The combined ...
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- research-articleMay 2024
Trajectory tracking of a wheeled mobile robot based on the predefined‐time sliding mode control scheme
AbstractIn this paper, a double‐loop control method is proposed to improve the trajectory tracking performance of a wheeled mobile robot (WMR) with slippage properties and external disturbances. Considering the strong robustness and the ability to ...
- research-articleMay 2024
Adaptive containment fault‐tolerant control for saturated nonlinear multiagent systems with multiple faults and periodic disturbances
AbstractThis paper addresses the problem of adaptive containment fault‐tolerant control for nonlinear multiagent systems with periodic disturbances. Different from most existing fault‐tolerant control schemes, the form of multiple faults is explicitly ...
- research-articleMay 2024
Semiglobal interval observer‐based robust coordination control of multi‐agent systems with input saturation
AbstractThis paper investigates the problem of robust coordination control based on interval observers for multi‐agent systems in the presence of input saturation and disturbances. Firstly, in the scenario where the system state is not directly ...
- research-articleMay 2024
Simultaneous robust model predictive control and state estimation for nonlinear systems with state‐ and input‐dependent uncertainties
AbstractThe convergence and stability of uncertain nonlinear systems is a challenging problem in the nonlinear control area. Besides, in many practical cases, all states are not measurable and are affected by measurement noise. Based on this motivation, ...
- research-articleMay 2024
Observer‐based controller design for blood glucose regulation for type 1 diabetic patients with disturbance estimation: A backstepping approach
AbstractIn this paper, an observer‐based nonlinear controller is proposed to regulate blood glucose concentration (BGC) in type 1 diabetes mellitus (T1DM). The considered virtual patient model is the extended Bergmann minimal model, which is augmented ...
- research-articleApril 2024
Stability analysis of stochastic nonlinear switched systems with time‐delay and its application
AbstractThis paper studies the stability of stochastic nonlinear time‐delay systems with arbitrary switching and its application. A novel Krasovskii‐type stability theorem is introduced for stochastic nonlinear systems featuring arbitrary switching and ...
- research-articleApril 2024
Stochastic convergence to recurrent state equilibrium for state‐based games
AbstractState‐based games contain an additional state space by comparing with normal games. Correspondingly, the equilibrium of state‐based games is called recurrent state equilibrium (RSE). For state‐based games, the stochastic convergence to RSE is ...
- research-articleApril 2024
New anti‐windup Proportional‐Integral‐Derivative for motor speed control
AbstractThe proportional‐integral‐derivative (PID) was developed and recognized for its reliability. A PID controller is not only simple but also relatively cheap. However, the controller causes system performance degeneration over time due to the ...
- research-articleApril 2024
Flatness‐based control in successive loops for mechatronic motion transmission systems
- Gerasimos Rigatos,
- Jorge Pomares,
- Pierluigi Siano,
- Mohammed AL‐Numay,
- Masoud Abbaszadeh,
- Gennaro Cuccurullo
AbstractMechatronic systems with nonlinear dynamics are met in motion transmission applications for vehicles and robots. In this article, the control problem for the nonlinear dynamics of mechatronic motion transmission systems is solved with the use of ...
- research-articleApril 2024
Optimal control for networked control system with Markovian packet loss and delay
AbstractThis paper focuses on the optimal output‐feedback control and stabilization of a networked control system, where both time delay and packet loss are involved. Different from most previous work, the packet loss is Markovian, and the time delay ...
- research-articleApril 2024
Adaptive neural network finite‐time control for fractional‐order nonlinear systems with external disturbance
AbstractThis paper is concerned with the finite‐time tracking control problem of fractional‐order nonlinear systems (FONSs) with uncertainty and external disturbance. A novel design scheme of the adaptive neural network finite‐time controller (ANNFTC) ...
- research-articleApril 2024
Adaptive neural event‐triggered near‐optimal control for affined uncertain nonlinear discrete‐time system
AbstractA novel event‐triggered heuristic dynamic programming (HDP) algorithm is proposed for the near‐optimal control of uncertain discrete‐time nonlinear input‐affine systems. Based on input‐to‐state stability (ISS) analysis, a new event‐triggered ...
- research-articleApril 2024
Tracking control of a flexible‐link manipulator based on an improved barrier function adaptive sliding mode
AbstractIn this paper, a novel controller designed for robust tracking control of a flexible‐link manipulator operating in the presence of parameter uncertainties and external disturbances within the joint space is introduced. The proposed controller ...
- research-articleApril 2024
Exponential stability for switched semi‐Markov jump systems with mode‐dependent average dwell time and generally uncertain transition rates
AbstractThis paper investigates the exponential stability in mean square sense for a class of stochastic switched semi‐Markov jump systems (ssSMJS). In this model, a hierarchical control switched regulation is designed, considering the external ...
- research-articleApril 2024
Design of finite‐time convergent functional observer for descriptor systems: Application to fault estimation
- Carlos Ríos‐Ruiz,
- Gloria Lilia Osorio Gordillo,
- Mohamed Darouach,
- Harouna Souley Ali,
- Carlos Manuel Astorga‐Zaragoza
AbstractIn this paper, a finite‐time functional observer design for linear time‐invariant descriptor systems is presented. A generalized observer based on additional degrees of freedom is developed. This observer can be considered of a general structure ...