| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent malfunction of a control system for an electric vehicle by maintaining connection of a main relay even if a reset of a control device occurs several times due to intermittent noise or the like. Ž<P>SOLUTION: A first control part 2 outputs a connection command signal and a holding stop command signal of an SMR 20. An SMR driving circuit 4 is a self-holding driving circuit that connects the SMR 20 by the connection command signal and holds the connection even if there is no connection command signal. A self-holding stop circuit 13 stops connection holding of the SMR driving circuit 4 by the holding stop command signal. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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