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Time synchronization slave apparatus capable of adjusting time synchronization period, and method of determining time synchronization period
Time synchronization slave apparatus capable of adjusting time synchronization period, and method of determining time synchronization period
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机译:能够调整时间同步周期的时间同步从设备以及确定时间同步周期的方法
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摘要
A time synchronization slave apparatus and a method of determining a time synchronization period are disclosed. In the apparatus, a time synchronization processing unit performs a time synchronization operation and determines an offset and a rate used to correct local time error based on a calculated time error, a timer corrects the local time based on the determined offset and rate, a time error estimation unit estimates a time error in the local time during a present time synchronization period, and generates excess error information regarding an excess point at which the estimated time error exceeds a threshold allowable time error range, a time synchronization period determination unit determines a subsequent time synchronization period based on the excess error information, and a synchronization period information transmission unit transmits synchronization period information regarding the subsequent time synchronization period to a time synchronization master apparatus.
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