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Spindle-motor control method, spindle-motor control device, spindle-motor drive circuit and disk device

机译：主轴电动机控制方法，主轴电动机控制装置，主轴电动机驱动电路及盘装置

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摘要

This invention relates to a control method, control device, and drive circuit for controlling the rpm of a spindle motor in order to reduce the rise time of the spindle motor. There is a discharge circuit (91-2) in the charge pump (91) of a spindle-motor driver (38). A control circuit (12) detects when the rpm of the spindle motor reaches near a target rpm, and discharges the charge pump (91). In this way, the rotation error near the target rpm is discharged, so it is possible to control and suppress overshoot. This makes it possible to reduce the rise time.

机译：控制方法，控制装置和驱动电路技术领域本发明涉及一种控制方法，控制装置和驱动电路，其用于控制主轴电动机的转速以减少主轴电动机的上升时间。主轴电机驱动器（ 38 <的补油泵（ 91 ）中有一个放电回路（ 91 - 2 ） / B>）。控制电路（ 12 ）检测主轴电动机的rpm何时达到目标rpm附近，并排放电荷泵（ 91 ）。以这种方式，排放了接近目标rpm的旋转误差，因此可以控制和抑制过冲。这使得可以减少上升时间。 展开▼

著录项

公开/公告号US6459220B1

专利类型

公开/公告日2002-10-01

原文格式PDF

申请/专利权人 FUJITSU LIMITED;
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申请/专利号US20000546916

发明设计人 HIDESHI MOCHIZUKI;HIROSHI KUMITA;SHIGENORI YANAGI;TOMOKI YOKOYAMA;
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申请日2000-04-11

分类号H02P60/20;

国家 US

入库时间 2022-08-22 00:47:28

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