Journal
MECHATRONICS
Volume 18, Issue 5-6, Pages 264-272Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.mechatronics.2008.03.001
Keywords
hysteresis; mathematical models; numerical simulation; partial differential equations; time-varying systems
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In this paper, four mathematical modeling approaches for the electro-mechanical behaviour of piezoelectrically actuated fuel injectors are discussed. Models with lumped and distributed parameters are investigated together with linear and nonlinear piezoelectric submodels. For the four resulting sets of nonlinear differential equations, numerical integration methods are described. The simulation results of the parameterized models are compared to measurements of a real injection valve. (c) 2008 Elsevier Ltd. All rights reserved.
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