Control system for controlling object at constant state

Details Control system for controlling object at constant state Control system for controlling object at constant state

1991-12-10

1993-11-23

Shoop, Jr., William M.

Electricity: motor control systems

Closed loop speed control system for dc motor with commutator

Armature control by digital or combined analog and digital...

3889075, 388811, 318609, H02P 5168

Patent

active

052651886

ABSTRACT:
A control system controls a motor so that a controlled speed is maintained at an object value supplied from an external unit. The control system includes: an operation block for obtaining a difference between the object value and the controlled speed; an integrating block for integrating the difference obtained by the operation block and for outputting an integrated value; a limiting block for outputting a limited value when the integrated value obtained by the integrating block is equal to or greater than the limited value and for outputting the integrated value from the integrating block as it is when the integrated value is less than the limited value; and a control block for maintaining the controlled speed of the motor at the object value based on the integrated value or the limited value output from the limiting unit.

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