Title:
DRIVE CIRCUIT
Document Type and Number:
Japanese Patent JP3263556
Kind Code:
B2
Abstract:
PURPOSE: To improve the drive circuit for servo motor.
CONSTITUTION: The drive circuit comprises a section 21 for detecting the actual rotational speed of a servo motor M to produce a digital data indicating the detection results, i.e., a speed detection data KD, and a section 20 for comparing a digital data indicating a target rotational speed of the servo motor M, i.e., a target speed data, with the speed detection data, to control the servo motor M such that the actual rotational speed follows up the target rotational speed. The drive control section 20 varies the starting time, i.e., the time being elapsed before the servo motor M reaches the target rotational speed, based on a digital starting time set data T0, T1.
Inventors:
Ryoichi Takahashi
Atsushi Kato
Masatoshi Komada
Atsushi Kato
Masatoshi Komada
Application Number:
JP4076095A
Publication Date:
March 04, 2002
Filing Date:
February 28, 1995
Export Citation:
Assignee:
Sanyo Electric Co., Ltd.
International Classes:
H02P1/30; H02P7/06; (IPC1-7): H02P1/30; H02P5/06
Domestic Patent References:
| JP4886021A | ||||
| JP59109296U |
Attorney, Agent or Firm:
Masamasa Shibano
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