2005•elib (German Aerospace Center)Requires access

Dynamic Simulation of a Free-Piston Linear Alternator in Modelica

Sven-Erik Pohl, M. Gräf

Abstract

This paper presents the modeling and simulation of a novel development of a free-piston engine in Modelica. The investigated concept is a combination of a combustion process and a linear alternator designed to provide clean, efficient energy in a compact engine. To study the features of free-piston engines a Modelica library is outlined containing basic and advanced component models. Detailed sub-models are investigated in order to design and improve hardware components. Control strategies are developed and dynamically tested within the Modelica simulation. Dymola/Modelica was found to be the best tool to examine the dynamic system behavior.

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Available abstract

Key concepts: Modelica, Piston (optics), Alternator, Process (computing), Component (thermodynamics), Control engineering, Automotive engineering, Computer science