Title:
RAILWAY VEHICLE, AND CONTROL METHOD AND SYSTEM FOR TREAD PROFILE OF RAILWAY VEHICLE
Document Type and Number:
WIPO Patent Application WO/2022/116457
Kind Code:
A1
Abstract:
A railway vehicle, and a control method and system for a tread profile of a railway vehicle. The control method comprises: step S1, obtaining a lateral acceleration signal of a wheel set; step S2, determining whether a first number of continuous peak values greater than or equal to a first set value present in the lateral acceleration signal or not, and if yes, executing the following step S3; step S3, controlling a tread modification device of a corresponding wheel set to enter a modification mode; step S4, determining whether a first action condition is satisfied or not, and if yes, executing the following step S5; step S5, controlling the tread modification device to perform online state repair on tread profiles of wheels of the corresponding wheel set; step S6, determining whether a second number of continuous peak values less than or equal to a second set value present in the lateral acceleration signal or not, and if yes, executing the following step S7, the second set value being less than the first set value; and step S7, controlling the tread modification device of the corresponding wheel set to exit the modification mode. By means of the control method, an off-line lathing cycle of wheels can be extended.
Inventors:
MA LIJUN (CN)
ZHANG ZHENXIAN (CN)
FENG YONGHUA (CN)
ZHAO CHANGLONG (CN)
LIU SHAOQING (CN)
LIANG HAIXIAO (CN)
WEI JIAQI (CN)
ZHAO GUMENG (CN)
LIANG JUNHAI (CN)
ZHANG ZHIYI (CN)
LIU YAPING (CN)
ZHANG ZHENXIAN (CN)
FENG YONGHUA (CN)
ZHAO CHANGLONG (CN)
LIU SHAOQING (CN)
LIANG HAIXIAO (CN)
WEI JIAQI (CN)
ZHAO GUMENG (CN)
LIANG JUNHAI (CN)
ZHANG ZHIYI (CN)
LIU YAPING (CN)
Application Number:
PCT/CN2021/085545
Publication Date:
June 09, 2022
Filing Date:
April 06, 2021
Export Citation:
Assignee:
CRRC QINGDAO SIFANG CO LTD (CN)
International Classes:
B61K9/12
Foreign References:
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| CN110775094A | 2020-02-11 | |||
| CN110803190A | 2020-02-18 | |||
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| CN1065431A | 1992-10-21 | |||
| JPH08272418A | 1996-10-18 | |||
| US20150020655A1 | 2015-01-22 | |||
| CN202011393449A | 2020-12-02 |
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
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