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

Table 2

Topic keywords.

Topic 1

Topic 2

Topic 3

Topic 4

Topic 5

Topic 6

Topic 7

Topic 8

Topic 9

Topic 10

Topic 11

Topic 12

Power

Bolster

Cable

Shell

Heat Dissipation

Electrical Machinery

Activity

Installation

Charging Pile

Fixed Block

Base

Battery Pack

High Voltage

Support Plate

Material

Electric Vehicle

Cooling

Drive

Joint Lever

Fixed

Set

Water Tank

Adjust

Terminal

Assembly

Positioning

Insulation

Sealing

Setting

Gear

Swerve

Structure

Base

Mounting Holes

Testing

Wiring

Power Battery

Car body

Wires

Waterproof

Temperature

Spindle

Clamping

Weld

Interior

Water Pump

Battery Pack

Dispose

Engine

Structure

Conductor

Plug

Interior

Transmission

Base

Fixed Plate

Installation

Connection

Lifting and Lowering

Collecting

Low Voltage

Beam

Insulation Layer

Connector

Heating

Bearing

Wheels

Setting

Defend

Compress

Clamp

Absorb

Control

Cylinder

Performance

Socket

Effect

Turn

Switch

Mounting Plate

Fixing

Battery Case

Platform

Fixed Ring

Control module

Guidance

Jacket

Hump

Lithium Battery

Rotation

Tire

Bolt

Bottom

Setting

Height

Vacuum Pump

The Whole Car

Turn Plate

Preparation

Protection

Heat

Output Shaft

Workbench

Convenience

Protection

Pressure

Setting

Vacuum

Relay

Frame

Polish

Seal Ring

Air

Setting

Fixture Block

Junction Plate

Display Screen

Connecting Pipe

Seat

Mainframe

Topic 13

Topic 14

Topic 15

Topic 16

Topic 17

Topic 18

Topic 19

Topic 20

Topic 21

Topic 22

Topic 23

Topic 24

Topic 25

Equipment

Check

Tank

Product

Charging Gun

Power Source

Storage Battery

Organization

Charging

Brake

Module

Element

Battery

Baseboard

Vehicles

Brackets

Design

Charging

Rotor

Setting

Shell

Solar Energy

Vehicles

Controller

Lead

Air Conditioner

Setting

Method

Damping

Appearance Design

Charging Cable

Stator

Car body

Cover

Vehicles

Hub

Circuit

Module

Slip

Process

Information

Setting

Element

Setting

Dc

Cover

Airbag

Equipment

Recycle

Control

End Caps

Compressor

Locking

Data

Battery Box

Mold

Conductivity

Electric Motors

Telescopic Rods

Lower Shell

Cleaning

Energy

Signal

Pipeline

Replacement

Roof

Control

Fixation

Installing

Jack

Direct Current

Electromotion

Interior

Generate Electricity

Electron

Voltage

Engine Housings

Joints

Installation

Monitor

Buffer

Molding

Resistance

Capacitance

Wire Harness

Protection

End Face

Hydraulic Pressure

Input

Setting

Stamping

Side Plate

Sensor

Spring

Shape

Wires

Switch

Annulus

Prevent

Equipment

Slide

Output

Accommodate

Install

Automation

Operation

Interior

Electrical Core

Charging Plug

Docking

Support Frame

Rim

Cleaning

Pedal

Current

Air Pipe

Store

Production

Malfunction

Install

Circuit Board

Avoid

Iron Core

Mounting Bracket

Dustproof

Power Supply

Electronic Control

Control System

Opening

Carriage