A motor, a current controller and method for the motor or the like or a calculator unit for use in these or a system having these.

摘要

The current controller has provided therein assumed response generating means (13) and load model means (15) so as to realize repetitive type control with no influence of control delay against a periodically repetitive current response. This current controller is applied to a 120-degree current flow type motor (21) using a pulse width modulation inverter (20), so that the DC current control including the process of response to the rise of the current can be realized only by a microcomputer.