Nicolas Léchevin

Publication date : May 2001
Paper File : artemis_vs_tustin.pdf

Authors

Nicolas Léchevin, Jean Bélanger, Guillaume Murere,

Abstract

This application note reports how the TUSTIN method in PSB and the ART5 method in the ARTEMIS Add-On compare in terms of precision, particularly for long-term simulation. The ARTEMIS Add-On uses the ART5 method and the ‘Zero hold for input’ option is not checked.

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eMEGAsim PowerGrid Real-Time Digital Hardware in the Loop Simulator
RT-LAB Professional

Publication date : Sep 2000
Paper File : kundur_performance.pdf

Authors

Nicolas Léchevin, Jean Bélanger, Guillaume Murere,

Abstract

This application note explains a two areas, four machines power system is considered in this note in order to demonstrate numerical advantages of ARTEMIS’ fixed-step-size integration method versus Tustin method currently used by power system simulators such as Power System Blockset (PSB). Proposed methods are also compared to the variable step solver, which is supposed to give the closest response to the actual system’s one.

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Publication date : Jul 2002
Paper File : 315m_ouhrouche.pdf

Authors

Simon Abourida, Nicolas Léchevin, Mohand Ouhrouche,

Abstract

In this paper, the authors present a real-time PC-based simulation of a direct field-oriented controller (DFOC) for an induction motor using RT-LAB software package. The use of a real-time simulator to achieve Hardware-in-the-Loop (HIL) simulation allows rapid prototyping of this kind of complex system in particular, and the development and testing of embedded systems in general. The implemented system presented in this paper consists of an induction motor with its static converter and speed, torque and flux controllers. These controllers are designed to take into account the variations of the rotor resistance.

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Publication date : Nov 2000
Paper File : power_converter_3.pdf

Authors

Nicolas Léchevin, Jean Bélanger, Guillaume Murere,

Abstract

This application note (Part 3) explains the design and optimization of fast PWM energy conversion control systems is time-consuming when the power electronics converters (PEC) are simulated in detail. Variable-step integration algorithms, or fixed time step integration at every microsecond, are required.

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RT-LAB Professional

Publication date : Nov 2000
Paper File : power_converter_2.pdf

Authors

Nicolas Léchevin, Jean Bélanger, Guillaume Murere,

Abstract

This application note (Part 2) reports the results of a study conducted to see whether averaged models can be used to study electromagnetic transients, either caused by a large disturbance in the control system, or by faults in the power circuits.

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RT-LAB Professional

Publication date : Oct 2000
Paper File : power_converter_1.pdf

Authors

Nicolas Léchevin, Jean Bélanger, Guillaume Murere,

Abstract

This application note (Part 1) explains that in rapid control prototyping of power converter systems, real-time simulation of power-converter and controller models is highly desirable.

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RT-LAB Professional

Publication date : Feb 2002
Paper File : apec2002_pc_simulator.pdf

Authors

Simon Abourida, Nicolas Léchevin, Jean Bélanger, Guillaume Murere, Christian Dufour, Biao Yu,

Abstract

This paper presents a novel computer-based tool for real-time simulation and rapid control prototyping of power electronic systems and drives. The tool consists of innovative algorithmic software (ARTEMIS) for the fixed-time-step simulation of stiff electric circuits, and a real-time laboratory package (RT-LAB) for the execution of a Simulink block diagram and circuits over a cluster of PCs, for fully digital real-time simulation or hardware-in-the-loop applications.

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RT-LAB Professional

Publication date : Dec 2000
Paper File : path_plan.pdf

Authors

Jason Michel Lambert, Nicolas Léchevin, Iraj Mantegh,

Abstract

This paper presents a methodology in dealing with the path planning of robotic systems and its implementation. It includes a description of the software integration in an offline and real-time system. The resulting environment provides a framework, which addresses all stages of controller design and implementation on a hardware system.

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