Zina Elhajji

Zina Elhajji
National Engineering School of Gabes · Department of Electrical Engineering

Doctor of Engineering
Contractual assistant professor


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Additional affiliations
September 2014 - November 2018
National Engineering School of Gabes
  • docteur


Publications (7)
The present paper deals with the design of a discrete-time integral sliding mode controller (DISMC) using only input-output measurement. The proposed strategy of control is developed and considered as a new method for voltage controller of electronic power systems, such as DC-DC buck converter. An input-output model of DC-DC buck converter is given...
The main challenge of sliding mode control is how to reduce chattering phenomenon. In this work, a discrete terminal neuro-sliding mode control with adaptive switching gain for a nonlinear system is presented. This new strategy blends the benefits of terminal sliding mode control and neuronal network. It guarantees a finite-time convergence of the...
Conference Paper
Full-text available
Blocks oriented models are the most structure used to describe nonlinear systems. These models are composed with two blocks: the first is a nonlinear part and the second is a linear part. Hammerstein model is one of block oriented models. Recently, the design of sliding mode control (SMC) in discrete-time for nonlinear systems is done using this st...
Full-text available
The sliding mode control (SMC) has several advantages in terms of good transient performance and system robustness. However, the sensitivity of this control technique to disturbance before reaching the sliding surface and the existence of the chattering phenomenon can be considered as the major problems in its implementation. To overcome these prob...
Full-text available
In this paper, we propose two methods of discrete sliding mode control. The first is the discrete fast terminal sliding mode control (DFTSM) and the second is the discrete integral sliding mode control (DISMC). These methods are proposed in order to overcome sliding mode problems, such as chattering phenomenon, convergence speed and rejection of ex...


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