The invention relates to a period control method and device based on feedback type dynamic clock adjustment and a medium, and is suitable for an ATP system and an ATO system under a double 2-vote-2 safety redundancy architecture, and the method specifically comprises the steps that in each period, the ATP system or the ATO system carries out redundant state mutual transmission in the respective system, and the ATP system or the ATO system carries out redundant state mutual transmission in the respective system; and each CPU in the system performs time system switching according to the received redundant state information of other CPUs, and judges whether time is out according to the time system task execution condition and the time system control array. Compared with the prior art, the method has the advantages that the time system control array can be dynamically set according to the redundant state fed back by the CPU and is used for time system switching, and the fault-tolerant capability and the operation stability of the system are improved.

    本发明涉及一种基于反馈式动态时钟调整的周期控制方法、设备及介质,适用于二乘二取二的安全冗余架构下的ATP系统和ATO系统,其中方法具体为:每个周期,ATP系统或者ATO系统在各自的系统内部进行冗余状态互发,系内的每个CPU根据接收到的其他CPU的冗余状态消息进行时系切换,并根据时系任务执行情况和时系控制数组判断是否超时。与现有技术相比,本发明具有能够通过CPU反馈的冗余状态动态设置时系控制数组,用于时系的切换,提高了系统的容错能力和运行稳定性等优点。


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    Title :

    Periodic control method and device based on feedback dynamic clock adjustment, and medium


    Additional title:

    基于反馈式动态时钟调整的周期控制方法、设备及介质


    Contributors:
    WANG JIANTAO (author) / ZHANG LIPENG (author) / ZHOU TINGLIANG (author) / YANG HUI (author) / CHEN YIHANG (author) / ZHANG WEI (author) / HUA QING (author) / ZHU AIPENG (author)

    Publication date :

    2024-03-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC



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