Title:
DIGITAL SERVO SYSTEM
Document Type and Number:
Japanese Patent JP3030185
Kind Code:
B2
Abstract:
PURPOSE: To provide a digital servo system, which is short in the time for leading in phase at the rise of rotation and high in the resistance to disturbance in a steady state in the digital servo system of a rotor.
CONSTITUTION: The title servo system has a digital filter 6 provided in a servo loop and constituted by the use of a delay means, coefficient multiplier means and addition and/or subtraction means on the basis of difference equations and a coefficient changing means 8 for gradually changing the coefficient of the-coefficient multiplier means.
Inventors:
Junichiro Tabuchi
Application Number:
JP16193593A
Publication Date:
April 10, 2000
Filing Date:
June 30, 1993
Export Citation:
Assignee:
Sanyo Electric Co., Ltd.
International Classes:
G11B15/467; G11B15/473; H02P29/00; (IPC1-7): H02P5/00; H02P5/00
Domestic Patent References:
| JP1241912A | ||||
| JP3150084A | ||||
| JP515187A |
Attorney, Agent or Firm:
Masamasa Shibano