光电产品的新型寿命预测模型及其应用 
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A Novel Model of Life Prediction for Photoelectric Products and Its Application
1 上海电力学院能源与机械工程学院, 上海 200090
2 上海大学新型显示技术及应用集成教育部重点实验室, 上海 200072
3 浙江易鑫电子科技有限公司, 浙江 金华 321200
图 & 表
图 1. 寿命预测模型流程图
Fig. 1. Flow chart of life prediction model
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图 2. VFD寿命实验台
Fig. 2. Life test platform of VFD
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图 3. 平均亮度衰减数据及其威布尔拟合曲线
Fig. 3. Average luminance attenuation data and corresponding Weibull fitting curves
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图 4. Power函数拟合加速寿命和加速应力的曲线
Fig. 4. Fitting curve of accelerated life and accelerated stress by Power function
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表 1各应力下VFD平均亮度随时间衰减的数据
Table1. Data of the average luminance of VFD attenuating with time under each stress
| j | T1=1023.00 K | T2=1055.56 K | T3=1087.85 K | T4=1123.33 K |
|---|
| tj /h | D1(tj) /(cd·m-2) | | tj /h | D2(tj) /(cd·m-2) | | tj /h | D3(tj) /(cd·m-2) | | tj /h | D4(tj) /(cd·m-2) |
|---|
| 0 | 0 | 1515.83 | 0 | 1468.12 | 0 | 1490.73 | 0 | 1492.65 | | 1 | 238 | 879.09 | 46 | 1051.22 | 46 | 805.85 | 22 | 749.11 | | 2 | 332 | 734.51 | 92 | 809.91 | 92 | 576.09 | 44 | 516.09 | | 3 | 426 | 653.41 | 138 | 678.92 | 138 | 432.35 | 66 | 358.80 | | 4 | 520 | 572.09 | 184 | 596.36 | 206 | 297.28 | 88 | 249.65 | | 5 | 614 | 526.12 | 230 | 523.61 | 228 | 261.15 | 110 | 160.32 | | 6 | 708 | 485.70 | 276 | 465.20 | 250 | 223.86 | 132 | 98.80 | | 7 | 802 | 440.95 | 322 | 411.23 | 272 | 199.22 | | | | 8 | 896 | 406.15 | 368 | 364.06 | 294 | 178.36 | | | | 9 | 990 | 377.76 | 414 | 331.06 | 316 | 155.80 | | | | 10 | 1084 | 348.58 | 460 | 298.62 | 338 | 132.40 | | | | 11 | 1178 | 322.23 | 482 | 280.70 | | | | | | 12 | 1272 | 305.19 | 504 | 268.54 | | | | | | 13 | 1366 | 273.80 | 526 | 264.92 | | | | | | 14 | 1454 | 265.02 | 548 | 249.29 | | | | | | 15 | 1542 | 242.49 | 570 | 232.89 | | | | | | 16 | 1630 | 225.99 | 592 | 225.45 | | | | | | 17 | 1718 | 211.16 | 614 | 215.44 | | | | | | 18 | 1806 | 191.06 | 636 | 207.28 | | | | | | 19 | 1894 | 178.44 | 658 | 195.48 | | | | | | 20 | 1982 | 165.91 | 680 | 189.73 | | | | | | 21 | 2048 | 153.11 | 702 | 180.36 | | | | | | 22 | | | 724 | 170.17 | | | | | | 23 | | | 746 | 163.27 | | | | | | 24 | | | 768 | 154.13 | | | | |
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表 2各应力下亮度衰减公式中的参数
Table2. Parameters in the formula of luminance attenuation under each stress
| Parameter | T1=1023.00 K | T2=1055.56 K | T3=1087.85 K | T4=1123.33 K |
|---|
| /(cd·m-2) | 1515.83 | 1468.12 | 1490.73 | 1492.65 | | mi | 0.6302 | 0.6477 | 0.6814 | 0.7555 | | ηi | 577.2547 | 222.3388 | 97.7008 | 38.5721 | | 0.9970 | 0.9976 | 0.9974 | 0.9893 |
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表 3基于外推函数的拟合优度检验参数
Table3. Parameters of goodness-of-fit test based on extrapolated functions
| | βe | βP |
|---|
| 0.9995 | 0.9997 | 29.1611 | 21.8637 |
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表 4寿命对比
Table4. Life comparison
| Item | μ0 | μe | μ1 |
|---|
| Lifetime /h | 41686.5 | 47092.2 | 42457.1 | | Relative error /% | 1.81 | 10.92 | - |
|
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张建平, 宗雨, 朱文清, 易勐. 光电产品的新型寿命预测模型及其应用[J]. 光学学报, 2018, 38(2): 0223001. Jianping Zhang, Yu Zong, Wenqing Zhu, Meng Yi. A Novel Model of Life Prediction for Photoelectric Products and Its Application[J]. Acta Optica Sinica, 2018, 38(2): 0223001.
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