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Now showing items 21-30 of 306
A complex systems modelling approach for decentralized simulation of electrical microgrids
(IEEE, 2010)
The structure and behavior of Electrical Grids share many of the properties of Complex Computer Systems, with microgrids and other decentralized electrical systems attached to them, so they can be interpreted as Systems ...
Modeling smart grids as complex systems through the implementation of intelligent hubs
(INSTICC, 2010)
The electrical system is undergoing a profound change of state, which will lead to what is being called the smart grid. The necessity of a complex system approach to cope with ongoing changes is presented: combining a ...
Using the system dynamics paradigm in teaching and learning technological university subjets
(IATED, 2010)
Knowledge of Differential Equations is applied to various scientific fields such as physics, chemistry, biology and engineering and therefore often an important part in the basic subjects of mathematics in the first college ...
Sliding mode position control for real-time control of induction motors
(ICIC International, 2013-07)
A sliding mode position control for high-performance real-time applications of induction motors in developed in this work. The design also incorporates a simple flux estimator in order to avoid the flux sensors. Then, the ...
A Novel Two Stage Controller for a DC-DC Boost Converter to Harvest Maximum Energy from the PV Power Generation
(MDPI, 2020-04-14)
In this article, an efficient and fast two-stage approach for controlling DC-DC boost converter using non linear sliding mode controller for a PV power plant is proposed. The control approach is based on two online methods ...
A global integral terminal sliding mode control based on a novel reaching law for a proton exchange membrane fuel cell system
(Elsevier, 2021-11-01)
Proton exchange membrane fuel cells are devices with huge potential for renewable and clean industries due to their high efficiency and low emissions. Since the proton exchange membrane fuel cell employed in this research ...
Regulating Grip Forces through EMG-Controlled Protheses for Transradial Amputees
(MDPI, 2021-11-25)
This study aims to evaluate different combinations of features and algorithms to be used in the control of a prosthetic hand wherein both the configuration of the fingers and the gripping forces can be controlled. This ...
Grid Frequency and Amplitude Control Using DFIG Wind Turbines in a Smart Grid
(MDPI, 2021-01-11)
Wind-generated energy is a fast-growing source of renewable energy use across the world. A dual-feed induction machine (DFIM) employed in wind generators provides active and reactive, dynamic and static energy support. In ...
Design and Implementation of High Order Sliding Mode Control for PEMFC Power System
(MDPI, 2020-08-20)
Fuel cells are considered as one of the most promising methods to produce electrical energy due to its high-efficiency level that reaches up to 50%, as well as high reliability with no polluting effects. However, scientists ...
A Real-Time Implementation of Novel and Stable Variable Step Size MPPT
(MDPI, 2020-09-08)
This paper presents a complete study of a standalone photovoltaic (PV) system including a maximum power tracker (MPPT) driving a DC boost converter to feed a resistive load. Here, a new MPPT approach using a modification ...