... of the corrupted current and the values of missing or unknown parameters (resistance, the observed current variance in the measurement model, the mean and variance of the current prior distribution) which are the main concern in electrical engineering is considered. Design/methodology/approach Optimal...

... hydrodynamic bearing is possible. © Emerald Group Publishing Limited 2012 Electrical engineering Electronic equipment and components Drive design Finite element method Finite element analysis Differential evolution algorithm Ventricular assist device According to the World Health...

... engineering Circuits Apart from the Faraday‐Maxwell theory of electromagnetic fields, the theory of electrical networks is one of the basic disciplines of electrical engineering. The theory of networks is even the elder of the two theories. Its beginnings go back to the work of G.S. Ohm and G.R...

... Electrical engineering The ease in controllability, high efficiency and high‐power density has resulted permanent magnet synchronous machines (PMSMs) as real competitors to the induction and variable reluctance type motors. PMSM motors are still not renowned for their fault‐tolerant operations...

... Emerald Group Publishing Limited 2009 Magnetic devices Electrical engineering Windings Inductance The winding inductance plays a key role in determining various aspects of the performance of permanent magnet (PM) brushless machines. These include the flux‐weakening capability...

... different from its value in the proposed optimal project. Optimization techniques Production management Tolerances Electrical engineering Surface fitting When mathematical description of the cost function in the optimized problem is analytical, for example consisting of polynomials obtained...

... to an optimal solution without need of Lagrange multipliers or weight coefficients. An optimal design of tram traction system is used as a practical example in the aim to show the algorithm robustness dealing with problems in electrical engineering. Finally, some concluding remarks are given. © Emerald...

... assumptions. Originality/value The paper is of value in presenting a detailed description of the multi‐objective optimization procedure. © Emerald Group Publishing Limited 2009 Magnetic devices Electrical engineering Optimization techniques Algorithmic languages Magnetic induction...

... to guide the attractive/repulsive behavior of DE algorithms. © Emerald Group Publishing Limited 2009 Electromagnetism Optimization techniques Algorithmic languages Electrical engineering Evolutionary algorithms (EAs) are a class of nonlinear optimization approaches based on natural...

... converters. © Emerald Group Publishing Limited 2009 Voltage Circuit theory Electrical engineering The same graphics have been obtained by numerical solution of the differential equations. The relative magnitudes of the load voltage versus the parameters...

... are listed in Table V . Equation 1 Equation 2 Equation 3 Equation 4 © Emerald Group Publishing Limited 2009 Electrical engineering Modelling Electromagnetic fields The applications of the physical‐based Jiles‐Atherton hysteresis model...

... with true field regulation capability. The principle of operation has been presented. A prototype has been built and tested. The paper also presents a 3D finite elements analysis of this machine and an analytical modelling. © Emerald Group Publishing Limited 2008 Electrical engineering Finite...

... yoke. In this paragraph, an idea, consisting in building all massive parts of the magnetic circuit by just one material in order to simplify manufacturing, is developed. © Emerald Group Publishing Limited 2008 Model Electrical engineering Torque Electric power systems...

... and unity power factor. In all, the instability problems associated with use of multilevel inverters are solved. © Emerald Group Publishing Limited 2008 Electrical engineering Direct current Electric power systems Electric converters The apparition of new power components controllables...

... Electrical engineering Acoustic testing Noise control Electromagnetism Electrical notations f_s=fundamental stator supply frequency f_mn^r=rotor current harmonic frequency linked to the n‐th stator current time harmonic...

..., the reactive fundamental component is not filtered as shown in Figure 4 . Electrical engineering Electric converters Voltage Wind power With the increasing wind penetration into the grid, the impact of wind farms on the power system becomes more and more important. In this context, assuring...

... of any solution will disappear if a mode of free vibrations of the coil is excited by the electrodynamics forces. Electrical engineering Noise control Acoustic testing Stress (materials) Mechanical systems A Lorentz‐force acts immediately on a wire when it is plunged into a magnetic...

... and algorithm theory Electrical engineering Micro‐organisms Optimization by means of mathematical procedures is becoming a standard tool in the engineering design process. In this area the use of classical optimization algorithms, based on regularity properties of the objective function, can...

...J. Régnier; B. Sareni; X. Roboam Purpose This paper presents a methodology based on Multiobjective Genetic Algorithms (MOGAs) for the design of electrical engineering systems. MOGAs allow one to optimize multiple heterogeneous criteria in complex systems, but also simplify couplings...

... MCB UP Limited 2001 Electrical engineering Mathematical models By a polyhedral or piecewise‐linear configuration C in Rⁿ we mean the finite union of finite intersections of open or closed halfspaces. Observe that the assumption of finiteness here...