Abstract: A method and apparatus for controlling stratum deformation in a shield construction process, a non-volatile storage medium, and a processor are disclosed. The method includes: monitoring settlement characteristic parameters in a shield construction process; predicting a settlement proportion according to the settlement characteristic parameters, the settlement proportion being a ratio between a predicted settlement value and a corresponding settlement threshold; and determining construction parameters in the shield construction process according to the settlement proportion.
Type:
Grant
Filed:
May 7, 2020
Date of Patent:
March 12, 2024
Assignees:
CHINA RAILWAY 14TH BUREAU GROUP CO., LTD., CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP CO., LTD.
Inventors:
Jian Chen, Mingqing Xiao, Chengzhen Wang, Xiuting Su, Shuchen Li, Feng Xue, Xiudong Li, Yankun Wu, Wenhao Sun
Abstract: A method for analyzing a correlation between rail transit and direct current (DC) magnetic bias of a transformer includes the steps of, A: obtaining a current of a feed cable and a DC magnetic bias current: measuring the feed cable current in rail transit and the DC magnetic bias current of a transformer in a power grid within a certain period by a monitoring apparatus; B: calculating a characteristic quantity of the feed current within the measurement period based on the obtained current of the feed cable; C: calculating a characteristic quantity of the DC magnetic bias current within the measurement period based on the DC magnetic bias current; and D: calculating a support degree and a confidence coefficient based on the calculated characteristic quantity of the feed current and the calculated characteristic quantity of the DC magnetic bias current, and generating a correlation rule.
Type:
Grant
Filed:
August 11, 2021
Date of Patent:
November 14, 2023
Assignees:
State Grid Hubei Electric Power Research Institute, State Grid Hubei Wuhan Electric Power Supply Company, Wuhan Power Supply Design Institute Co., Ltd., State Grid Hubei Electric Power Co., Ltd., China Railway Siyuan Survey and Design Group Co., Ltd., Wuhan Xindian Electric Co., Ltd., Shenzhen Metro Construction Group Co., Ltd.