CUSUM和Cuscore控制圖平均運(yùn)行長(zhǎng)度上界的估計(jì)
發(fā)布時(shí)間:2019-06-14 02:57
【摘要】:平均運(yùn)行長(zhǎng)度(ARL)是判斷一類控制圖監(jiān)測(cè)變點(diǎn)效果好壞的重要工具。文章首先給出了特征指數(shù)取值(0,1)且均值不為常數(shù)時(shí)CUSUM控制圖在Levy穩(wěn)定過(guò)程中ARL上界的估計(jì),改進(jìn)了均值為常數(shù)時(shí)的結(jié)論;隨后給出了特征指數(shù)取值(0,1)且均值不為常數(shù)時(shí)Cuscore控制圖在Levy穩(wěn)定過(guò)程中ARL上界的近似估計(jì),完善了特征指數(shù)取值(0,2]時(shí)Cuscore控制圖ARL的估計(jì);最后通過(guò)數(shù)值模擬比較了兩種控制圖在監(jiān)測(cè)Levy穩(wěn)定過(guò)程均值變點(diǎn)中的效果和差異,結(jié)果表明Cuscore控制圖比CUSUM控制圖的監(jiān)測(cè)效果好。
[Abstract]:The average running length(ARL)is an important tool for judging the effect of a kind of control chart to monitor the change point. Firstly, the estimation of the upper bound ARL of CUSUM control diagram in the process of Levy stability when the characteristic exponential value(0,1)is taken and the mean value is not constant is given. Subsequently, the approximate estimation of the upper bound ARL of Cuscore control diagram in the process of Levy stability when the characteristic exponential value(0,1)and the mean value is not constant is given. Finally, the results show that the results show that the Cuscore control chart is better than CUSUM control chart.
【作者單位】: 上海理工大學(xué)理學(xué)院;
【基金】:國(guó)家自然科學(xué)基金資助項(xiàng)目(11271260) 中國(guó)滬江基金資助項(xiàng)目(B14005) 上海市一流學(xué)科資助項(xiàng)目(XT-KX2012)
【分類號(hào)】:O213.1
[Abstract]:The average running length(ARL)is an important tool for judging the effect of a kind of control chart to monitor the change point. Firstly, the estimation of the upper bound ARL of CUSUM control diagram in the process of Levy stability when the characteristic exponential value(0,1)is taken and the mean value is not constant is given. Subsequently, the approximate estimation of the upper bound ARL of Cuscore control diagram in the process of Levy stability when the characteristic exponential value(0,1)and the mean value is not constant is given. Finally, the results show that the results show that the Cuscore control chart is better than CUSUM control chart.
【作者單位】: 上海理工大學(xué)理學(xué)院;
【基金】:國(guó)家自然科學(xué)基金資助項(xiàng)目(11271260) 中國(guó)滬江基金資助項(xiàng)目(B14005) 上海市一流學(xué)科資助項(xiàng)目(XT-KX2012)
【分類號(hào)】:O213.1
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