Title:
METHOD FOR CONTROLLING ROD POSITION OF STEPPING
Document Type and Number:
Japanese Patent JPH05143163
Kind Code:
A
Abstract:
PURPOSE:To attain the rod position control of a stepping cylinder following a position type control command by a simple constitution at an extremely high responsiveness without generating out-of-step by mitigating damping oscilla tion generated after arrival at an object position. CONSTITUTION:In a two-phase pulse motor 8 constituted of equally arranging two pairs of magnetic poles A, A, and B, B on the periphery of a rotor 80, the rotor 80 rotates in the direction indicated by the arrow, and when the rotor 80 approaches the magnetic poles A, A to be the final object positions, the magnetic poles B, B are excited for a short time so as to apply reverse rotation and damping force in the direction shown by a dushed line arrow is applied to the rotor 80. Consequently the rotor 80 approaches the object position in the sufficiently decelerated state and is quickly settled without generating damping oscillation.
Inventors:
HANAZAKI KAZUHARU
Application Number:
JP35550991A
Publication Date:
June 11, 1993
Filing Date:
November 22, 1991
Export Citation:
Assignee:
SUMITOMO METAL IND
International Classes:
B22D11/18; G05D3/12; G05D9/12; (IPC1-7): B22D11/18; G05D3/12; G05D9/12
Attorney, Agent or Firm:
Tono Kono