According to the popular communication model base on CAN, this paper proposes a distributed real time communication model: producer-arbitrator-consumer (PAC) model.

• 针对现在的基于CAN总线的分布式实时系统通讯模型,提出一个具有优先级的分布式实时系统通讯模型:生产者-仲裁者-消费者模型(Producer-Arbitrator-Consumer Model)。