Crowell & Moring LLP
Electric vehicle and control device thereof
The present invention aims to provide an electric vehicle which provides good usability for a user and is economical and to provide a control device for an electric vehicle, which is high in reliability. An AC motor is used as a motor for driving running or driving wheels, and DC motors are respectively used as a steering auxiliary motor and a motor for driving a forklift device. Further, in order to achieve the above aim, an inverter circuit and chopper circuits are connected in parallel with a battery, and an electrolytic capacitor is connected in parallel with the inverter circuit, whereas an electrolytic capacitor is connected in parallel with the chopper circuit.
Hitachi, Lyd. Hitachi Car Engineering Co., Ltd.
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Kaname Kazuhito Minoru Hiroyuki
Sasaki Ishida Kaminaga Yamada