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Title:
POSITION CONTROLLER
Document Type and Number:
Japanese Patent JP2003167629
Kind Code:
A
Abstract:

To provide a simple and inexpensive position controller capable of executing positioning with high position precision.

The stroke of a piston rod 12 of a cylinder 10 in which a A chamber and B chamber on the both ends of a piston 11 communicate with each other by a diaphragm is detected by a position sensor 14, and the detected output is compared with a target value by a servo amplifier 8. Then, the deviation output of the servo amplifier 18 is supplied to a control valve 20 connected to the B chamber of the cylinder 10 so that the pressure or flow rate of the control valve 20 can be controlled.


Inventors:
IIZUKA HIROMICHI
Application Number:
JP2001000367971
Publication Date:
June 13, 2003
Filing Date:
November 30, 2001
Export Citation:
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Assignee:
ASAHI ENTERP KK
International Classes:
F15B9/08; F15B13/044; G05D3/00; G05D3/12; G05D16/00; G05D16/20; (IPC1-7): G05D3/00; F15B9/08; F15B13/044; G05D3/12; G05D16/00; G05D16/20
Attorney, Agent or Firm:
松村 修



 
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