威布尔分布
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6.117647059 14.85714286
0.593977217 0.992688929
mean alpha beta
-0.523113266 4.252482204 693,380
可靠性 寿命 0 77,600 155,200 232,800 310,400 388,000 465,600 543,200 620,800 698,400 776,000 853,600 931,200 1,008,800 1,086,400 1,164,000 1,241,600 1,319,200 1,396,800 1,474,400 1,552,000 1,629,600 1,707,200 设计A 100.00% 99.99% 99.83% 99.04% 96.77% 91.88% 83.20% 70.18% 53.53% 35.66% 19.91% 8.89% 3.01% 0.73% 0.12% 0.01% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 设计B 100.00% 99.65% 97.98% 94.47% 88.90% 81.30% 72.01% 61.58% 50.67% 40.02% 30.25% 21.84% 15.01% 9.81% 6.08% 3.56% 1.97% 1.03% 0.50% 0.23% 0.10% 0.04% 0.02%
1,784,800 1,862,400 1,940ຫໍສະໝຸດ Baidu000
0.00% 0.00% 0.00%
0.01% 0.00% 0.00%
寿命曲线
设计A 设计B
寿命
X
设计B
ln(Design A Cycles)
12.8598499 13.088457 13.13838829 13.15231239 13.33007974 13.41007445 13.4953659 13.53476835
ln(ln(1/(1-Median Rank)))
-2.663843085 -1.72326315 -1.202023115 -0.821666515 -0.508595394 -0.230365445 0.032924962 0.299032932
807,863 848,953
0.836538462 0.932692308
13.60214777 13.6517591
959,903 973,224
0.836538462 0.932692308
13.32632029
mean alpha beta
Y
X
1/(1-Median Rank)
1.072164948 1.195402299 1.350649351 1.552238806 1.824561404 2.212765957 2.810810811 3.851851852
ln(ln(1/(1-Median Rank)))
-2.663843085 -1.72326315 -1.202023115 -0.821666515 -0.508595394 -0.230365445 0.032924962 0.299032932
ln(Design A Cycles)
12.46073812 12.74630172 13.00770196 13.17889871 13.38560418 13.50074091 13.50086693 13.50167614
100.00% 90.00% 80.00% 70.00% 60.00% 50.00% 40.00% 30.00% 20.00% 10.00% 0.00%
100.00% 95%
100.00%
存活几率
Y
Design A Cycles Median Ranks 1/(1-Median Rank)
0.067307692 0.163461538 0.259615385 0.355769231 0.451923077 0.548076923 0.644230769 0.740384615 1.072164948 1.195402299 1.350649351 1.552238806 1.824561404 2.212765957 2.810810811 3.851851852
威布尔分布
1.原始数据区 样本序号 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 目标寿命值 目标值可靠性 要求置信水平 2.计算区 设计A 384,558 483,331 508,077 515,201 615,432 666,686 726,044 755,223 设计A 726,044 615,432 508,077 807,863 755,223 848,953 384,558 666,686 515,201 483,331 设计B 529,082 729,957 650,570 445,834 343,280 959,903 730,049 730,640 973,224 258,006
6.117647059 14.85714286
0.593977217 0.992688929
13.77458752 13.78836955
-0.523113266 2.530029895 723,105
13.28454857
Design A Cycles
258,006 343,280 445,834 529,082 650,570 729,957 730,049 730,640
Median Ranks
0.067307692 0.163461538 0.259615385 0.355769231 0.451923077 0.548076923 0.644230769 0.740384615