نتایج جستجو برای: electrical system control

تعداد نتایج: 3392027  

Optimal linear controllers and high computational non-linear controllers are normally applied to control the nonlinear systems. Flatness control method is a control technique for linear systems as well as nonlinear systems by static and dynamic feedback namely as endogenous dynamic feedback. This method takes into account the non-linear behavior of the process while preventing complicated compu...

حسن ربانی, , فاطمه آقابابایی, , محمد مردانی, ,

In this paper, we investigate the electrical conductance and density of states of a nanocrystal including an electrical charge or dipole located at cross section of nanocrystal by using Green’s function method in the nearest neighbor tight-binding approach. The results show that moving the electrical charge from center to the edge of the nanocrystal increases the system transmission coefficient...

بیورانی, حسن , حبیبی, فرشید , حسامی نقشبندی, علی ,

This paper proposed a new voltage control strategy for an islanded Microgrid (MG). A MG is consists of several Distributed Generation (DG) and local loads and controllers which it should be capable to operates in both connected and disconnected mode from main grid. Often there are some uncertainties in load and system parameters in isolated mode hence, robust control of electrical quantities is...

Journal: :IEICE Transactions 2008
Takashi Watanabe Tomoya Masuko Achmad Arifin Makoto Yoshizawa

Functional Electrical Stimulation (FES) can be effective in assisting or restoring paralyzed motor functions. The purpose of this study is to examine experimentally the fuzzy controller based on cycle-to-cycle control for FES-induced gait. A basic experimental test was performed on controlling maximum knee extension angle with normal subjects. In most of control trials, the joint angle was cont...

Journal: :Transactions of the Society of Instrument and Control Engineers 1983

Journal: :the modares journal of electrical engineering 2005
mehdi siahi hossein soghrati

this paper introduces an indirect adaptive fuzzy sliding mode controller as a power system stabilizer for damping local and inter-area modes of oscillations of multi-machine power systems. this controller is designed based on the combination of sliding mode controller and the fuzzy logic systems. the fuzzy systems are used to approximate the unknown functions of power system model. generator sp...

2011
Marius Georgescu

Electrical energy control systems for energy storage devices are required for power quality and balance within wind systems. In the context of rapidly expanding of distributed energy sources, the wind energy turbines are in the center of interest. This paper presents a control system for small power wind turbines of 3kW. As practical results are depicted modeling and simulation waveforms for th...

Journal: :JCIT 2010
Mohd Helmy Abd Wahab Norzilawati Abdullah Ayob Johari Herdawatie Abdul Kadir

This paper presents the development of GSM-based control home appliances for smart home system. The main aim of the prototype development is to reduce electricity wastage. GSM module was used for receiving short message service (SMS) from user’s mobile phone that automatically enable the controller to take any further action such as to switch ON and OFF the home appliances such as light, aircon...

2013
Alok Kumar Shubham Vyas

In this paper, an understanding of reactive power associated with power transmission networks is developed. To make transmission networks operate within desired voltage limits, methods of making up or taking away reactive power— hereafter called reactive-power control—are discussed. Before proceeding further, however, a thorough understanding of the reactive power in ac systems is necessary. Th...

Journal: :Biomed. Signal Proc. and Control 2010
Andrew Pennycott Kenneth J. Hunt

Functional electrical stimulation can be used to enable spinal cord injured children to participate in cycling training as part of a fitness programme or exercise testing procedure. Exercise can reduce the impact of secondary health conditions due to the injury. Functional electrical stimulation has shown promising results in adults with a spinal cord injury, but additional considerations are n...

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