MULTIPLEXED CONTROLLER

摘要

PURPOSE:To ensure the stable control even though the input of a control circuit has an error, by obtaining the deviation of each control output value to the desired value and using this deviation to unify each control output value. CONSTITUTION:A reference signal 100 is supplied to a selecting circuit 14 via differential circuits 10A-10C and control circuits 12A-12C. The circuit 14 consists of maxium value selecting circuits 16A-16C and minimum value selecting circuits 18A and 18B and selects one of the control signals supplied from circuits 12A-12C to apply it to a control subject 20 as well as to differential circuits 22A-22C respectively. The circuits 22A-22C calculate the deviation between the control signal applied to the subject 20 and the output signal of each of circuits 21A-12C and apply the deviation to circuits 10A-10C via compensating circuits 24A-24C. The circuits 10A-10C obtain the difference between the signal 100 and a feedback signal 108 given from the subject 20 and then compensates the difference by the signals given from circuits 24A- 24C. This compensated difference is applied to circuits 12A-12C respectively.