Abstract
AbstractThere are many requests for selecting freely the moment of inertia, even though the moment of inertia is determined by the materials, structure, shape, and size of the motors. From the standpoint of control, reducing the moment of inertia will make it possible to construct well‐controlled drive systems and expand the applications in which a motor may be used to replace another nonelectric machine. An “inertia‐lowering control” system has been developed that uses disturbance observer to reduce inertia.To realize this control system with vector‐controlled induction motors, the equations and machine constants needed for designing the systems have been clarified. A digital signal processor and a microprocessor were adopted for induction motor control, and good results were obtained through the experiments.
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