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STRUCTURE OF PREDICTIVE HYBRID REDUNDANCY USING EXPONENTIAL SMOOTHING METHOD

机译:指数平滑法的预测混合冗余结构

摘要

A structure of predictive hybrid redundancy using an exponential smoothing method is provided to secure fault control performance better than that of an average voter or a median voter used for the existing TMR(Triple Module Redundancy) by estimating a threshold through the exponential smoothing method. A structure of predictive hybrid redundancy(40) using an exponential smoothing method is composed of: a threshold predicting unit(31) for estimating a threshold for fault detection by using the exponential smoothing method; a fault detection unit(32) judging whether an input signal is reliable or not on the basis of the threshold calculated in the threshold predicting unit; an exception processing unit(33) generating an output value according to the increase and decrease tendency of the input value if the fault detection unit determines that all input values are unreliable; a reconstruction unit(34) controlling a switch determining the passing of the input value, according to the fault detection result of the fault detection unit; and an output computation unit(35) determining the final output value by correcting the value passed through the reconstruction unit.
机译:通过使用指数平滑方法估计阈值,提供了一种使用指数平滑方法的预测混合冗余结构,以确保其故障控制性能优于现有TMR(三重模块冗余)所使用的平均选民或中值选民。一种使用指数平滑方法的预测混合冗余(40)的结构包括:阈值预测单元(31),用于通过使用指数平滑方法来估计故障检测的阈值;以及故障检测单元(32)基于在阈值预测单元中计算出的阈值,判断输入信号是否可靠;如果故障检测单元确定所有输入值都不可靠,则异常处理单元(33)根据输入值的增加和减少趋势生成输出值;重构单元(34),根据故障检测单元的故障检测结果,控制开关确定输入值的通过;输出计算单元(35)通过校正通过重构单元的值来确定最终输出值。

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