为了使大容量电力电子变换器在恶劣的电磁环境中高速、可靠地传输大量信息,结合光纤和控制器局部网(CAN)技术,应用于通信系统。基于CAN的总线定时和同步机制,结合光纤传输,总线波特率1 M b/s和网络节点控制器不对称等特点,分析了该通信...为了使大容量电力电子变换器在恶劣的电磁环境中高速、可靠地传输大量信息,结合光纤和控制器局部网(CAN)技术,应用于通信系统。基于CAN的总线定时和同步机制,结合光纤传输,总线波特率1 M b/s和网络节点控制器不对称等特点,分析了该通信系统的总线定时要求,设计了可靠的总线定时方案。为验证定时方案的稳定性,对该通信系统进行了误码率实验。实验结果表明:该通信系统在此定时方案下运行时波特率较低,该定时方案具有一定的实用价值。展开更多
The specific features of the CAN bus is analyzed and the functional performances in the Controller Area Network (CAN) bus system of Wire Harness Assembly Machine (WHAM) is discussed. A reasonable definition of applica...The specific features of the CAN bus is analyzed and the functional performances in the Controller Area Network (CAN) bus system of Wire Harness Assembly Machine (WHAM) is discussed. A reasonable definition of application layer which is not defined in the CAN specification is given for the control system of WHAM. So application layer planning of CAN bus for dynamic priority is presented. With the mechanism of dynamic priority,it becomes easily to find out the error nodes in the CAN bus system of WHAM and realize multi-mode operation.展开更多
文摘为了使大容量电力电子变换器在恶劣的电磁环境中高速、可靠地传输大量信息,结合光纤和控制器局部网(CAN)技术,应用于通信系统。基于CAN的总线定时和同步机制,结合光纤传输,总线波特率1 M b/s和网络节点控制器不对称等特点,分析了该通信系统的总线定时要求,设计了可靠的总线定时方案。为验证定时方案的稳定性,对该通信系统进行了误码率实验。实验结果表明:该通信系统在此定时方案下运行时波特率较低,该定时方案具有一定的实用价值。
文摘The specific features of the CAN bus is analyzed and the functional performances in the Controller Area Network (CAN) bus system of Wire Harness Assembly Machine (WHAM) is discussed. A reasonable definition of application layer which is not defined in the CAN specification is given for the control system of WHAM. So application layer planning of CAN bus for dynamic priority is presented. With the mechanism of dynamic priority,it becomes easily to find out the error nodes in the CAN bus system of WHAM and realize multi-mode operation.
