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For a long time, permanent magnet synchronous motors (PMSM) were only applied in some particular fields, e.g. for servo drives. However, in recent years PMSM gained increasing importance in novel domains like automotive hybrid drive trains. For Mexico, this boom represents a valuable opportunity for universities and research institutions, so that together with Mexican industry of the Electric Vehicle...
In this paper, the speed observer design problem for induction motors is approached by means of an estimation technique which exploits some properties of the error dynamics that make feasible to express this system as a feedback interconnection, subject to a disturbance signal, of two subsystems that can be rendered passive via a proper choice of the output injection terms. Then, a semiglobal convergent...
The speed controlled AC drives without mechanical speed sensors have the attraction of low cost and high reliability. The sensorless control techniques require of the estimation of internal state variables of the machine like the linkage fluxes and the rotor speed. Generally, the estimation of the rotor speed is achieved through only the measurement of voltages and currents. Robustness of the open...
The main purpose of this paper is to present a simple strategy to control speed of parallel connected multi-induction motor fed by a single inverter. In this paper, it is proposed a novel "smart" switching strategy to control the voltages necessities of each motor and it is applied the electronic virtual line shafting (EVLS) for speed synchronization. Simulation and experimental constrains...
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