PURPOSE: To provide a controller obtaining satisfactory control performance and reducing the burden of software.
CONSTITUTION: This controller A' is provided with a sensor 2 detecting the controlled variable of a motor 1, a microcomputer 3 operating the manipulated valuable of the moter 1 based on the detected controlled variable and an observer ASIC 4 estimating a compensated variable to the manipulated variable and the controlled variable based on the detected controlled variable and the operated manipulated variable. Then, at the time of controlling the motor 1 through the use of the estimated compensated variable and the operated manipulated variable, the control period of the compensated variable estimated by the observer ASIC 4 is made independent from the control period of the operation of the manipulated variable by the microcomputer 3. With this consitution, satisfactory control performance is obtained and the burden of software is reduced.
NISHIDA YOSHIHARU
ODERA NOBUYUKI
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