Patent ID: 8427004
Filing Date: 2013-04-23
Classification: B60L,Y02T

Abstract:
1. An electric-vehicle controller comprising: an inverter that is connected to a DC power source and drives a motor; a DC-to-DC converter having first and second terminal pairs, the first terminal pair connected across the DC power source and connected across the inverter; a power storage unit connected to the second terminal pair of the DC-to-DC converter to receive and store DC electric power; a switch disposed between the power storage unit and the second terminal pair of DC-to-DC converter; a vehicle speed detector for detecting a speed of an electric vehicle; and a control unit that is configured to: wherein the control unit opens the switch so as to separate the power storage unit from the DC-to-DC converter, in response to the emergency brake status signal being present and the detected speed being the same as or higher than the predetermined value.