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A hybrid system design integrating a thermoelectric (TE) module has recently represented the advanced photovoltaic (PV) prototype with promoted efficiency for utilizing solar energy from the surroundings. Our present work during development of such a hybrid PV/TE system evaluates the thermal behaviors and the cooling performance associated with when integrating TE and heat sink modules. It has been...
This paper addresses the issue of controller design for a class of uncertain systems with multiple delays. Each system matrix is confined by two constant matrices, and each delay may be time-varying even unbounded. The control objective is to design a family of gain matrices such that the resulted closed-loop system is not only asymptotically stable, but also positive. A system is said to be positive...
Considered in this paper is the problem of constrained control for uncertain systems with delays. The system matrices are confined by two constant matrices serving as the lower and upper bounds, respectively. The delays may be time-varying even unbounded, the unique requirement imposed on them is they should be nonnegative. When designing controller, two constraints are considered: 1). The corresponding...
This paper proposed a method to achieve general projective synchronization of two fractional order Rossler systems. First, we construct the fractional order Rossler system’s corresponding approximation integer order system. Then, a control method based on a partially linear decomposition and negative feedback of state errors was utilized on the integer order system. Numerical simulations show the...
In this paper, we introduced a method to construct controller for the synchronization between two fractional order Rossler systems. The key thought is converting the fractional order system to integer system. The controller uses general linear state error feedbacking. Numerical examples are given to demonstrate the effectiveness of the proposed method.
In this paper, a fractional order chaotic masking scheme is proposed. First, a synchronization control system was establishment. based on this stage, a general masking scheme was applied in secure communication. Numerical examples are given to demonstrate the effectiveness of the proposed method.
In this paper, we introduced a fractional order chaotic masking scheme for secure communication. Based on the General projective synchronization of two coupled fractional Chen systems, a popular masking scheme is designed. Numerical example is given to demonstrate the effectiveness of the proposed method.
This paper proposed a method to achieve general projective synchronization of two fractional order Rossler systems. First, we construct the fractional order Rossler system's corresponding approximation integer order system. Then, a control method based on a partially linear decomposition and negative feedback of state errors was utilized on the integer order system. Numerical simulations show the...
This paper proposed a method to achieve projective synchronization of two fractional order Chen systems. First, construct the fractional order Chen system's corresponding approximation integer order system. Then, a control method based on a partially linear decomposition and negative feedback of state errors was utilized on the integer order system. Numerical simulations show the effectiveness of...
In this paper, based on the stability theory, a nonlinear feedback control scheme is proposed to achieve projective synchronization of two coupled fractional order chaotic electronic oscillators. The advantage of this scheme is that the controller is designed analytically in detail, not only relying on the common numerical simulation. The numerical simulations are given to confirm the correctness...
In this paper, we introduce a new delayed state-feedback controller for the synchronization between two chaotic systems. The controller uses Takagi-Sugeno (T-S) fuzzy model to represent the two original chaotic systems. Based on the T-S fuzzy chaotic models, the delayed state-feedback fuzzy controllers for chaotic synchronization are designed via exact linearization techniques. Result obtained in...
In this paper, we propose a new delayed state-feedback chaotic mapping control approach. This approach uses Takagi-Sugeno fuzzy model to represent original chaotic system and adopts parallel distributed compensation (PDC) scheme via delayed state feedback. Result obtained in this paper is represented in terms of linear matrix inequalities (LMIs), thus designing controller becomes very convenient....
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