US 12,436,941 B2
Data consistency control method applied to railway signal centralized monitoring system
Xiaofeng Liu, Shanghai (CN); Xiangbo Yang, Shanghai (CN); Enhua Hu, Shanghai (CN); and Pengfei Tu, Shanghai (CN)
Assigned to CASCO SIGNAL LTD., Shanghai (CN)
Appl. No. 18/720,604
Filed by CASCO SIGNAL LTD., Shanghai (CN)
PCT Filed Nov. 11, 2022, PCT No. PCT/CN2022/131333
§ 371(c)(1), (2) Date Jun. 14, 2024,
PCT Pub. No. WO2023/116251, PCT Pub. Date Jun. 29, 2023.
Claims priority of application No. 202111581012.4 (CN), filed on Dec. 22, 2021.
Prior Publication US 2025/0053558 A1, Feb. 13, 2025
Int. Cl. G06F 16/23 (2019.01); G06F 16/27 (2019.01); H04L 9/06 (2006.01)
CPC G06F 16/2365 (2019.01) [G06F 16/275 (2019.01); H04L 9/0643 (2013.01); H04L 2209/34 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A data consistency control method, applied to a centralized railway signal monitoring system, comprising:
acquiring, by a center of the centralized railway signal monitoring system, all data in a target time interval locally;
encoding, by the center, all the acquired data according to one or more types of data to generate a first data consistency identifier;
wherein a mode of the encoding, by the center, all the acquired data according to the one or more types of the data comprises: a single data consistency identifier encoding mode and an overall data consistency identifier encoding mode taking the time interval as a unit, wherein the single data consistency identifier encoding mode is an encoding mode based on one or more key fields of the data, and each of the one or more key fields comprises a unique identifier field and an index information field; the overall data consistency identifier encoding mode is an encoding mode based on a single data consistency identifier;
sending, by the center to a station, a data consistency detection command;
inquiring, by the station, all the data in the target time interval locally upon receiving the data consistency detection command and encoding, by the station, the data to generate a second data consistency identifier,
sending, by the station to the center, the second data consistency identifier;
comparing, by the center, the first data consistency identifier with the second data consistency identifier; and
finishing a data consistency control in response to that the first data consistency identifier and the second data consistency identifier that are compared are consistent.