Method of positioning a part

Details Method of positioning a part Method of positioning a part

1996-07-12

1998-07-07

Ro, Bentsu

Electricity: motive power systems

Plural diverse motor controls

Motor-reversing

318266, 318286, B60J 112, G05B 902, E05F 1516

Patent

active

057774463

ABSTRACT:
A method of positioning a part includes the steps of reciprocatingly moving a part between two end positions by a drive, generating a control signal for the drive upon reaching the end positions, stopping the drive or changing a drive direction of the drive upon receipt of the control signal; detecting a position of the drive after a first reaching of at least one of the end positions by the part, storing the detected position of the drive, and during further approaches of the end positions by the part, stopping the drive or changing the drive direction before reaching the end positions. After a selectable number of approaches of the part to at least one of the end positions the drive is stopped only when the end position is reached and the position of the drive is detected and stored once again.

REFERENCES:
patent: 4514670 (1985-04-01), Fassel et al.
patent: 4563625 (1986-01-01), Kornbrekke et al.
patent: 4730152 (1988-03-01), Foust et al.
patent: 4999551 (1991-03-01), Yoshida et al.
patent: 5038087 (1991-08-01), Archer et al.
patent: 5198974 (1993-03-01), Orsat
patent: 5610484 (1997-03-01), Georgin

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