基于专利数据的城市轨道交通技术发展现状与趋势分析

城市轨道交通是城市公共交通的重要组成部分,基于专利数据的城市轨道交通技术分析旨在发现城市轨道交通技术的发展现状与趋势,为城市轨道交通行业发展提供导向参考,为该领域研究人员提供情报支撑。基于世界知识产权组织的国内专利数据,综合利用专利计量、文本挖掘、关键词共现网络、专利地图方法,对国内城市轨道交通专利进行分析,结果表明国内城市轨道交通正处于稳中有升的成长期。

Analysis of development status and trend of urban rail transit technology based on patent data

Urban rail transit is an important part of urban public transport.Based on patent data,the analysis of urban rail transit technology aims to identify the development status and trend of urban rail transit technology,provide guidance and reference for the development of urban rail transit industry,and provide information support for researchers in this field.Based on the domestic patent data of the World Intellectual Property Organization(WIPO),this paper analyzes the domestic urban rail transit patents by using the methods of patent measuring,text mining,keyword co-occurrence networking and patent mapping.The results show that the domestic urban rail transit is in a steady growing period.