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To design a control system it is desirable to represent the actual system in mathematical form. So a mathematical representation of a permanent magnet synchronous motor is presented here. The inductances of a PMSM vary as a function of rotor position, the d-q model is commonly used to represent PMSM. The d-q model is obtained to implement the current control in rotor reference frame. A fuzzy logic...
This paper presents simulation studies on the optimal energy control of an inverter-fed three-phase induction motor (1 hp). An overview of various controllers: loss model controller, search controller and their hybridization are given. Induction motor parameter variations due to temperature rise and core saturation are considered when loss models are derived. Mine hoist drive of a mineral industry...
This paper presents an optimal design and its realization of poly-phase induction motor using particle swarm optimization (PSO). The optimization algorithm considers the efficiency, starting torque and temperature rise as objective function (which are considered separately) and nine performance related items as constraints. The PSO algorithm was implemented on a test motor and the results are compared...
The present paper deals with the selection of an optimal value of capacitor at the motor terminals of modified self-commutating CSI-fed induction motor drive. The mathematical model of the complete drive system is developed in the synchronously rotating d-q reference frame to evaluate the performance of the drive. Closed form mathematical expressions are developed for torque, phase voltage, efficiency,...
This paper describes design of a reusable motor control peripheral for system on chip applications. It integrates previously carried out work on motor speed sensing, current monitoring and generation of power device triggering signals. The idea of creating a customized PMAC (permanent magnet AC ) motor control peripheral, which can connect to a standard chip wide bus is presented. Since a peripheral...
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