Title:
RAILROAD CAR VIBRATION DAMPING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/159511
Kind Code:
A1
Abstract:
This railroad car vibration damping device (V1) comprises: an actuator (A) which can be expanded and contracted by hydraulic fluid supplied from a pump (12) that is driven by a motor (15); and a controller (C1) which has an estimation unit (42) for estimating the thrust of the actuator (A) from the current of the motor (15), and which feeds back the estimation thrust (Fm) estimated by the estimation unit (42) and controls the actuator (A).
Inventors:
OGAWA TAKAYUKI (JP)
Application Number:
PCT/JP2018/006867
Publication Date:
September 07, 2018
Filing Date:
February 26, 2018
Export Citation:
Assignee:
KYB CORP (JP)
International Classes:
B61F5/24
Foreign References:
| JP2013001306A | 2013-01-07 | |||
| JP2017022948A | 2017-01-26 | |||
| JP6231634B1 | 2017-11-15 | |||
| JP2011184017A | 2011-09-22 | |||
| JP2013189088A | 2013-09-26 |
Attorney, Agent or Firm:
ISHIKAWA Ken et al. (JP)
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