MULTISYSTEM SERVO ACTUATOR CONTROL DEVICE AND MULTISYSTEM CONTROL DEVICE

PROBLEM TO BE SOLVED: To easily execute adjustment for removing dispersion while maintaining the independence of each system. SOLUTION: Control circuits 2a to 2c are respectively provided with position sensors 41a, 41b for detecting the displacement variables of actuators 40a, 40b, amplifiers 66a to 66c for amplifying position signals Pa to Pc outputted from the sensors 41a, 41b, subtractors 60a to 60c for subtracting the amplified position signals Pa to Pc from a command signal Cm, amplifiers 61a to 61c for amplifying outputs from the subtractors 60a to 60c, position sensors 32a, 32b for detecting the displacement variables of spools 30a, 30b, amplifiers 64a to 64c for amplifying position signals Sa to Sc outputted from the sensors 32a, 32b, subtractors 62a to 62c for subtracting the amplified position signals Sa to Sc from respective output signals outputted from the amplifiers 61a to 61c, and amplifiers 63a to 63c for amplifying respective outputs from the subtractors 62a to 62c. In addition, the control circuits 2b, 2c are respectively provided with calibration conversion parts 65b, 65c for calibrating the position signals Pb, Pc.