品質管理之計數(shù)值抽樣計劃-預覽頁
【正文】 00、n1= 31Ac1= 10；n2 = 80Ac2= 4LTPD = %。◎ 通常樣本很小，且合格判定數(shù)(Ac)為零。反之，拒收?！?檢驗費較少，適用於破壞性試驗。 p1 )Pd = C(n, d) pd (1p) nd (d = 1, 2,…., p = 不合格品率)其逐次機率比(Sequential Probability RatioSPR) SPR= C(n, d) p1d (1p1)nd / C(n, d) p0d (1p0)ndSPR = (p1 / p0)d[(1p1) / (1p0)]nd 判定法則：(a = 、b = ) b/(1a) SPR (1b)/a繼續(xù)抽驗 SPR 163。 hr + sn Reject 範例一： AQL = 、 a = 、 LTPD = 、 b = 逐次抽樣計劃： (1) 已知：p0 = AQL = ，a = p1 = LTPD = ， b = g1 = log(p1 / p0) = log() = g2 = log[(1p0 )/(1p1)]= log() = a = log[(1b)/a]= log() =b = log[(1a)/b]= log () = ha = b/(g1 + g2) =(+) = hr = a/(g1 + g2) =(+) = s = g2 /(g1 + g2) = (+) = 判定線da = ha + sn = + dr = hr + sn = + 逐次抽樣計畫(AQL = 、 a = 、 LTPD = 、 b = )nAcRenAcRenAcRe1＊＊110321252＊2120322253＊2130323254＊2141424255＊2151425256＊216142625703171427258031814283690319142936100320143036＊表示不能判定允收或拒收跳批抽樣計畫◎ 跳批抽樣計畫(Skiplot Sampling PlanCkSp1)Dodge發(fā)展。◎ 步驟與程序：開始時進行每一批之檢驗連續(xù)i批合格時，則允收中止每一批之檢驗，進行跳批抽樣有一批檢驗不合格時，則拒收l 連續(xù)抽樣計畫◎ 連續(xù)抽樣計畫(Continuous Sampling Plan)Dodge發(fā)展
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