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分析了基于多协议接口的HXD1型电力机车制动状态监测系统,采用存储器总线时分复用的方法,解决了多协议兼容共享通信存储器造成冲突访问的问题。通过建立多通信接口共访存储器冲突模型,对通信接口的时间相位偏移参数进行评估,得到最小访问冲突下的时分复用参数。
The HXD1 electric locomotive brake status monitoring system based on multi-protocol interface is analyzed. The method of memory bus time-division multiplexing is adopted to solve the problem of conflicting access caused by multi-protocol compatible shared communication memory. By setting up a multi-communication interface to visit the memory conflict model, the time-phase offset parameters of the communication interface are evaluated, and the time-division multiplexing parameters under the minimum access conflict are obtained.