Technology Topic Identification and Trend Prediction of New Energy Vehicle Using LDA Modeling

Table 3

New energy vehicle technology topics.

Number	Topic	Number	Topic
1	Vehicle System	14	Vehicle Data Monitoring
2	Body Structure	15	Vibration Damping
3	Cable Insulation Materials	16	Product Design
4	Waterproof	17	Charging Gun
5	Heat Radiating and Cooling	18	Electric Motors
6	Electric Drive System	19	Storage Battery
7	Chassis	20	Safety
8	Installation and Fixation	21	Wireless Charging
9	Charging Pile	22	Energy Recovery
10	Cooling Pump	23	Circuit Control
11	Battery Pack	24	Module
12	Vacuum Pump	25	Air Conditioning System
13	Production and Processing