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Higher-order finite element modeling and optimization of actuator with non-linear materials

Citace: KROPÍK, P., ŠROUBOVÁ, L., HAMAR, R. Higher-order finite element modeling and optimization of actuator with non-linear materials. COMPUTING, 2013, roč. 95, č. 1, s. 487-499. ISSN: 0010-485X
Druh: ČLÁNEK
Jazyk publikace: eng
Anglický název: Higher-order finite element modeling and optimization of actuator with non-linear materials
Rok vydání: 2013
Autoři: Ing. Petr Kropík Ph.D. , Ing. Lenka Šroubová Ph.D. , Ing. Roman Hamar Ph.D.
Abstrakt EN: An electromagnetic actuator with nonlinear structural parts is modelled and optimized. The aim of the optimization is to obtain a flat static characteristic and reach the highest possible force acting on its plunger (manufactured of permanent magnet) at the smallest possible dimensions. The solution of the problem is carried out numerically by the professional software package COMSOL Multiphysics fully controlled by a number of special in-house scripts and procedures. First, two deterministic optimization algorithms are applied to evaluate several different actuator configurations and determine the optimal actuator design from the viewpoint of the maximum force acting on its movable part. Then, a genetic algorithm is used for a multiobjective optimization providing the flattest possible static characteristic. The methodology is illustrated by a typical example whose results are discussed.
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