The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 14, 1999
Filed:
Oct. 13, 1998
Applicant:
Inventors:
Minoru Hamamura, Shizuoka-ken, JP;
Sadaji Hayama, Shizuoka-ken, JP;
Jun Fujita, Shizuoka-ken, JP;
Takao Date, Shizuoka-ken, JP;
Kazuo Nagashima, Shizuoka-ken, JP;
Assignee:
Toshiba Kikai Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G05B / ; G05B / ; G05D / ; G11B / ;
U.S. Cl.
CPC ...
318560 ; 318632 ; 318561 ; 318618 ; 318610 ;
Abstract
Letting a differential value of a command value of a position command to a position control loop be an input variable, a feed forward compensation value is calculated depending on the input variable and a combination of a proper vibration frequency and an attenuation constant of a vibration in a moving direction of a moving mechanism to be set in a parameter setting manner, and a feed forward compensation is effected for the command value of the position command to the position control loop by the feed forward compensation value.