发明名称 Motor driving apparatus and optical apparatus
摘要 The motor driving apparatus includes a motor driving a driven member, and a controller performing, from a start of driving of the motor, acceleration drive of the motor on the basis of a predetermined acceleration pattern with open-loop control, and then perform, in response to increase of a driving speed of the motor or the driven member to a predetermined speed, drive of the motor with feedback control. The controller changes the predetermined acceleration pattern and the predetermined speed depending on a magnitude of a load acting on the motor or the driven member.
申请公布号 US8576504(B2) 申请公布日期 2013.11.05
申请号 US201113216652 申请日期 2011.08.24
申请人 AKADA HIROSHI;CANON KABUSHIKI KAISHA 发明人 AKADA HIROSHI
分类号 G02B7/02 主分类号 G02B7/02
代理机构 代理人
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