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US Patent Application 20120022738 - ELECTRIC POWERED VEHICLE AND CONTROL METHOD FOR THE SAME

Application 20120022738 Filed on June 10, 2009. Published on January 26, 2012

Inventors

Assignee

US Class

701/22Electric vehicle

International Classes

B60W 30/00
B60L 7/16
B60K 1/00
B60W 10/08
B60W 10/18
B60W 10/188
B60W 10/196
G06F 19/00
B60T 13/58


Abstract text


An electric powered vehicle includes a motor, an inverter, a main power storage device, and a plurality of sub power storage devices. A converter is connected to a selected one of the plurality of sub power storage devices to perform voltage conversion bidirectionally between the selected sub power storage device and an electric power feeding line. A control device executes a disconnection process to disconnect a selected sub power storage device from the converter based on a state of charge of the selected sub power storage device when there is no new sub power storage device that can replace the selected sub power storage device. Further, the control device executes a braking process for the inverter for regenerative braking by the motor. The control device prohibits, during execution of one process of a disconnection process and braking process, the other process.

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