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MESSAGE LOSS PREVENTION IN CAN SYSTEMS

  • US 20100180003A1
  • Filed: 01/14/2009
  • Published: 07/15/2010
  • Est. Priority Date: 01/14/2009
  • Status: Active Grant
First Claim
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1. A method for preventing message loss in a controller area network (CAN) system, said CAN system including a plurality of distributed nodes capable of communicating with each other through a CAN bus, each of the plurality of distributed nodes being allocated a task, where the plurality of distributed nodes include at least one node of a first type and at least one node of a second type, said method comprising:

  • determining a synchronization frequency;

    sending synchronization frames from the node of the first type to the node of the second type, wherein the synchronization frames are sent at the synchronization frequency; and

    performing a task activation synchronization on the node of the second type based on information included in the synchronization frames.

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