Capa do livro de Sensorless Control of IM Drives considering 0 Hz crossover
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Sensorless Control of IM Drives considering 0 Hz crossover

Control Theoretical Analysis and Synthesis

LAP LAMBERT Academic Publishing (2011-03-18 )

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Electrical drives based on sensorless control has the advantage that neither encoder or speedsensor on the rotorshaft is needed. This book presents sensorless control adopted on the induction machine by a fairly unique kind of rotorflux estimator based on the so-called voltage model (VM). The VM estimates frequency and is developed from a vector controlled scheme of the machine model, here with one of the two channels open controlled. Then the VM and machine dynamics together defines a complete model for further control theoretical analysis and design. The analysis mainly considers instability problems and parameter variations, here especially focused on the 0 Hz crossover problem. The open controlled channel then gives an important mean for stabilizing design and parameteridentification. By nonlinear and linear analysis an optimized solution is achieved for the 0 Hz crossover problem, completed with Kalmanfiltering design for parameteridentification in the nominal speed range.
LAP LAMBERT Academic Publishing
Por (autor):
Ove Glenberg
Número de páginas:
Publicado em:
Eletrônicas, eletro-tecnologia, tecnologia da comunicação
68 €
Palavras chave:
ac drives, induction machine, sensorless control, identification, Adaptation, region of attraction, error angle, Vector Control, rotorflux, nonlinear analysis, state space model, Induction Machines, Sensorless control, vector control., state space models

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