The invention relates to an electric motor vehicle. The electric motor vehicle includes a voltage conversion circuit (20A), a primary-side smoothing capacitor (14), a battery (10), a system main relay (16), an inverter circuit (30A), a secondary-side smoothing capacitor (15), an electric motor (50), a first voltage sensor (61), a collision sensor (64), and a controller (70). The controller (70) is configured to adjust an operation of the voltage conversion circuit (20A), detect primary-side voltage by using the first voltage sensor (61) in a state that the voltage conversion circuit is operated (20A) in a case where a collision is detected by the collision sensor (64), and detect a state that the system main relay (16) is off based on a change in the detected primary-side voltage.
Electric motor vehicle
2015-11-25
Patent
Electronic Resource
English
IPC: | H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
ELECTRIC VEHICLE ELECTRIC MOTOR CONTROL METHOD AND ELECTRIC VEHICLE ELECTRIC MOTOR CONTROL DEVICE
European Patent Office | 2020
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