Title:
リニアモータシステム
Document Type and Number:
Japanese Patent JP6916053
Kind Code:
B2
Abstract:
Provided is a linear motor system that can prevent mobile element impact, without the need for a sensor that detects impact. A linear motor system 100 that comprises: a linear motor 104 that has a winding 8 to which at least alternating current voltage is applied and a mobile element 6 to which an elastic body 23 is connected; and a linear motor drive device 101 that detects fluctuations in the amplitude of the alternating current flowing in the winding 8 and, when the detected amplitude has exceeded a prescribed value, detects that the mobile element 6 has exceeded a maximum displacement.
Inventors:
Suzuki Takahiro
Masayoshi Koyama
Masayoshi Koyama
Application Number:
JP2017132626A
Publication Date:
August 11, 2021
Filing Date:
July 06, 2017
Export Citation:
Assignee:
Hitachi Astemo, Ltd.
Hitachi Global Life Solutions, Inc.
Hitachi Industrial Equipment Systems Co., Ltd.
Hitachi Global Life Solutions, Inc.
Hitachi Industrial Equipment Systems Co., Ltd.
International Classes:
H02P25/064; H02K41/02
Domestic Patent References:
| JP2009275828A | ||||
| JP2011209830A | ||||
| JP2003339188A |
Attorney, Agent or Firm:
Polaire Patent Business Corporation