COMPEL - The international journal for computation and mathematics in electrical and electronic engineering: Volume 33 Issue 3

Topology optimization of rotor poles in a permanent-magnet machine using level set method and continuum design sensitivity analysis

In this paper, a numerical approach to the topology optimization is proposed to design the permanent magnet excited machines with improved high-speed features. For this purpose…

Bi-objective optimization of induction machine using interval-based interactive algorithms

Discrete highly constrained optimization of induction machine taking into consideration two objective functions: efficiency and total costs of production. The paper aims to…

Framework for the optimization of online computable models

– The purpose of this paper is to make easily accessible models to test and compare the optimization algorithms we develop.

A modified lambda algorithm for optimization in electromagnetics

The purpose of this paper is to show with the help widely used analytical and application-oriented benchmark problems that a novel and relatively uncommon optimization method…

Simple sensitivity calculation for inverse design problems in electrical engineering

The purpose of this paper is to present a simple approach for calculation of the sensitivities in the free-form inverse design problems. The approach is based on the analogy with…

Optimal household energy management using V2H flexibilities

The use of energy storage devices helps the consumers to utilize the benefits and flexibilities brought by smart networks. One of the major energy storage solutions is using…

Optimization of EMI filters for electrical drives in aircraft

The purpose of this paper is to deal with the design of passive filter for power electronics voltage inverters used in aircraft electrical drives (a permanent magnet synchronous…

Adaptive level set method for accurate boundary shape in optimization of electromagnetic systems

– The purpose of this paper is to present a new numerical technique, called adaptive level set method, for use with the finite element method.

A modified immune algorithm with spatial filtering for multiobjective topology optimisation of electromagnetic devices

In the development of electromagnetic devices, multiobjective topology optimisation is effective to obtain diverse design candidates for production models. However, multiobjective…

Use of compensation theorem for the robustness assessment of electromagnetic devices optimal design

The purpose of this paper is to present the use of the compensation theorem (CT), well known in the analysis of linear electric networks, to compute sensitivity of the performance…

Multi-physics optimisation of an energy harvester device for automotive application

Supplying remote wireless sensors is not an easy task if the site where the device is located is not easily accessible. In order to obtain direct measurements of the road-vehicle…

Stochastic modeling error reduction using Bayesian approach coupled with an adaptive Kriging-based model

Magnetic material properties of an electromagnetic device (EMD) can be recovered by solving a coupled experimental numerical inverse problem. In order to ensure the highest…

n-level output space mapping for electromagnetic design optimization

– The aim of this paper is to reduce the evaluations number of the fine model within the output space mapping (OSM) technique in order to reduce their computing time.

High-speed functionality optimization of five-phase PM machine using third harmonic current

The purpose of this paper is to apply some surrogate-assisted optimization techniques in order to improve the performances of a five-phase permanent magnet machine in the context…

Topology optimization of magnetostatic shielding using multistep evolutionary algorithms with additional searches in a restricted design space

The purpose of this paper is to improve the multistep algorithm using evolutionary algorithm (EA) for the topology optimization of magnetostatic shielding, and the paper reveals…

Adaptive unscented transform for uncertainty quantification in EMC large-scale systems

The purpose of this paper is to introduce a novel methodology for uncertainty quantification in large-scale systems. It is a non-intrusive approach based on the unscented…

Ant colony optimization for the topological design of interior permanent magnet (IPM) machines

– The purpose of this paper is to apply an Ant colony optimization approach for the solution of the topological design of interior permanent magnet (IPM) machines.

Drive optimization of a pulsatile total artificial heart

Total artificial hearts (TAHs) are required for the treatment of cardiovascular diseases. In order to replace the native heart a TAH must provide a sufficient perfusion of the…

Multiobjective approach developed for optimizing the dynamic behavior of incremental linear actuators

– The purpose of this paper is to develop an optimal approach for optimizing the dynamic behavior of incremental linear actuators.

Radial output space mapping for electromechanical systems design

The purpose of this paper is to set a relation through adaptive multi-level optimization between two physical models with different accuracies; a fast coarse model and a fine time…

Minimum energy control of descriptor positive discrete-time linear systems

– The purpose of this paper is to formulate and solve the minimum energy control problem of descriptor positive discrete-time linear systems.

Current spectrum estimation using Prony's estimator and coherent resampling

A highly accurate method of current spectrum estimation of a nonlinear load is presented in this paper. Using the method makes it possible to evaluate the current injection…

Optimal shape design of flux barriers in IPM synchronous motors using the phase field method

The purpose of this paper is to present an optimization method for flux barrier designs in interior permanent magnet (IPM) synchronous motors that aims to produce an advantageous…

Conformal antennas arrays radiation synthesis using immunity tactic

– The purpose of this paper is to introduce to scientific community a new optimization technique and its application to the radiation synthesis case.

Multi-level design of an isolation transformer using collaborative optimization

The purpose of this paper is to present an application of a multidisciplinary multi-level design optimization methodology for the optimal design of a complex device from the field…

Model-free discrete control for robot manipulators using a fuzzy estimator

– Discrete control of robot manipulators with uncertain model is the purpose of this paper.

Optimization and inverse problems in electromagnetism