Research on the Theme Identification and Evolution of Intelligent Connected Vehicle Technology from the Perspective of Patents
As the era progresses,the global automotive industry is experiencing significant transforma-tions,with electrification,intelligence,and connectivity emerging as future trends in automotive tech-nology.Intelligent connected vehicles,as a key strategic emerging industry,amalgamate automotive,electronic,and information technologies,playing a crucial role in promoting China's ambitions to be-come a powerhouse in manufacturing and networking.This area also represents a significant aspect of technological research.Thus,applying scientific methods to identify technological themes in the intelli-gent connected vehicle sector,guiding the industry's technological decisions,and providing relevant policy recommendations hold substantial academic and practical value.This paper begins by summari-zing relevant domestic and international research,elucidating the theoretical underpinnings of technolo-gy theme identification and evolution,and establishing the corresponding research models and frame-works.It then analyzes intelligent connected vehicle patent data,employs the LDA model for theme i-dentification in related patent literature,and constructs an HMM model to examine the evolutionary relationships of these technology themes.The study ultimately delineates the evolutionary trajectory and patterns of technological themes in this field.In the realm of intelligent connected vehicles,20 technical themes were identified,and a directed network graph depicting the evolution of these themes was created.This provides strategic guidance and support for relevant enterprises and research and de-velopment institutions.