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公开(公告)号:JP2003091948A
公开(公告)日:2003-03-28
申请号:JP2001286861
申请日:2001-09-20
Applicant: IBM
Inventor: YAMAZAKI MASAHIDE , OZAWA YUTAKA
Abstract: PROBLEM TO BE SOLVED: To solve a 'connection problem' when a mode is switched and contradiction between short seek and long seek in positioning control of a head. SOLUTION: A gain in feedback control is fluctuated when switching a prescribed control mode when the head is transferred and positioned at an access position by the feedback control.