QR METHOD OPERATING PUBLIC TRANSPORTATION USING BLOCKCHAIN BASED QR CODE
VEHICLE BODY FLAW ELIMINATION METHOD USING VIRTUAL MARK AND SYSTEM THEREOF
Vehicle body flaw elimination method using virtual mark and system thereof
Driving control system with driving assistance control and autonomous driving control
PANTOGRAPH MONITORING APPARATUS AND METHOD FOR ELECTRIC RAILWAY BASED ON IMAGE PROCESSING
Monitoring and control-parameter controlling device of electric vehicle drive system