E. Andresen, B. Racinowski and G. Szymański
In this paper the calculation method of High Speed Induction Machine with solid rotor is presented. 2D model is assumed. FD method is used. Nonlinear effect of permeability is…
Abstract
In this paper the calculation method of High Speed Induction Machine with solid rotor is presented. 2D model is assumed. FD method is used. Nonlinear effect of permeability is take into account.
Sławomir Stępień and Andrzej Patecki
To present modelling and control technique of an electromagnetic actuator.
Abstract
Purpose
To present modelling and control technique of an electromagnetic actuator.
Design/methodology/approach
A 3D modelling technique of voltage‐forced electromechanical actuator takes into account: motion, magnetic non‐linearity and eddy current phenomena. Control problem of closed loop system is described by coupled electro‐magneto‐mechanical equations and non‐linear PID controller equations.
Findings
Presented methodology offers a powerful tool for analysis of control systems with distributed parameters models and may contribute to the improvement of the electromechanical performance of electrodynamic devices.
Originality/value
As original contribution a position feedback control using conventional PID controller is applied for iterative determining inverse dynamic problem, that is finding input voltage for a given position of an actuator.
Details
Keywords
Electromagnetic field problems arising in electrical machinery and devices are in general truly three dimensional in nature. In many devices natural excitation is the voltage…
Abstract
Electromagnetic field problems arising in electrical machinery and devices are in general truly three dimensional in nature. In many devices natural excitation is the voltage excitation, for example: relays and electrical motor. Several research papers have been published on the subject of three dimensional field solutions. Many different formulations of the 3D electromagnetic problems are possible. They involve differential or integral formulations in terms of scalar or vector unknowns. The aim of this paper is to present a method capable of solving general 3D eddy currents with voltage excitation in nonlinear magnetic field using the A, A‐V formulation. The method of the finite difference equations formulation based on minimising of the energy functional has been given.