Construction and Application of Knowledge Graph for Train Maintenance Field
Journal Title: Urban Mass Transit - Year 2024, Vol 27, Issue 9
Abstract
Objective With its powerful semantic processing and open organization capabilities, the knowledge graph lays the foundation for knowledge-based organization and intelligent applications in various fields. In order to improve the digitization and intelligence level of urban rail transit train maintenance, a knowledge graph for the train maintenance field should be established. Method The knowledge graph technology is briefly introduced, and a top-down approach is adopted to construct the knowledge graph. The construction process of the knowledge graph for the train maintenance field is analyzed from five aspects, i.e. ontology design, information extraction, knowledge mapping, knowledge storage, and knowledge fusion. The outlook for the application of the knowledge graph in the field of train maintenance is described. Result & Conclusion Based on the above graph, not only can the problems of train maintenance data silos be effectively solved, but also the unified management of relevant data in the field of train maintenance can be realized, and intelligent services such as ′one file for one train′, intelligent retrieval, and train fault trend analysis be provided for train maintenance.
Authors and Affiliations
Junjie ZHANG, Shijun JIANG, Weidong LIU
Keywords
Related Articles
- EP ID EP744343
- DOI 10.16037/j.1007-869x.2024.09.035
- Views 9
- Downloads 0
Research on Urban Rail Train Energy-saving Control Strategy Based on Genetic Algorithm
Objective Urban rail transit generates a considerable amount of energy consumption during operation, with traction energy consumption of train operation offering significant optimization potential. Therefore, there is an...
Curve-passing Performance of New Generation Single-axle Straddle Monorail Vehicle
[Objective] The curve-passing performance of a new-model single-axle straddle monorail vehicle on small-radius non-linear curve tracks and linear curve tracks is researched and analyzed. [Method] A dynamics simulation an...
New Method for Metro Tunnel Catenary Height Detection Based on Mobile 3D Laser Scanning Technology
[Objective] The height of metro tunnel catenary is a crucial parameter for ensuring normal train electrification and requires regular inspection. In response to the significant errors and low precision associated with ot...
Identification Algorithm of Rail Transit Pantograph-catenary Contact Force Abnormality Based on LSTM Prediction Error
Objective Contact force is a crucial aspect of comprehensive detection in the rail transit PC (pantograph-catenary) system and serves as an important evaluation factor of PC system performance. However, during the detect...
Door Howling Cause Analysis and Countermeasures of Urban Rail Transit Train Passing through Tunnels
Objective When the urban rail transit train with designed speed of 120 km/h passes through a tunnel at high speed, rear door howling problem of the tail car often occurs, seriously affecting passenger ride comfort. Thus...