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Title:
SERVO CONTROLLER
Document Type and Number:
Japanese Patent JP2003047270
Kind Code:
A
Abstract:

To provide a servo controller wherein there is no possibility of switching shock and switching operation is implemented with accuracy.

The servo controller is provided with control switching portions 7 and 8 so that control modes can be switched. The servo controller is provided with a speed command estimating portion 9 which operates according to control mode switching signals. Thus, the value of a speed command to a motor 1 is corrected when the control mode is switched, and fluctuation in the rotational speed of the motor 1 is thereby reduced when the control mode is switched.


Inventors:
TAKANO HIROMICHI
TOBARI KAZUAKI
Application Number:
JP2001000226323
Publication Date:
February 14, 2003
Filing Date:
July 26, 2001
Export Citation:
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Assignee:
HITACHI LTD
International Classes:
H02P21/00; H02P23/16; H02P23/18; H02P27/04; H02P29/00; (IPC1-7): H02P5/00; H02P21/00
Attorney, Agent or Firm:
Ichiro Suzuki (1 person outside)



 
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