Method for securing the operation of a voltage-holding device for a vehicle
AssigneePeugeot Citroen Automobiles SA
InventorOlivier Daunas
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Abstract
The invention relates to a method for securing the operation of a voltage-holding device (DMT) used for starting or restarting the heat engine of a vehicle, said device being electrically connected by a multiplex network (12) to an electric machine (10) and to a monitoring computer (4). According to the invention, the DMT can be activated only if it has previously received an activation authorisation message (16, 18), which can be a starting or restarting (16) message, sent by said computer (14) to said electric machine (10) and to said voltage holding device (DMT), or a message (18) transmitted by said electric machine (10) indicating it is about to restart the heat engine.
Claims5
A method for securing the operation of a voltage holding device (DMT) used for starting or restarting of the combustion engine of a vehicle, whereby said voltage holding device is electrically connected, through a network to an electrical machine and a processor, the method comprising activating said voltage holding device only after receiving an activation authorization message.
Dependencies are inferred from the claim text.