辛剑峰,茹秋生,郭强.基于LSI模型的品检机走纸系统稳定性分析[J].包装工程,2016,37(19):168-172.
XIN Jian-feng,RU Qiu-sheng,GUO Qiang.Stability Analysis of Quality Inspection Machine Feeding System Based on LSI[J].Packaging Engineering,2016,37(19):168-172. |
| 基于LSI模型的品检机走纸系统稳定性分析 |
| Stability Analysis of Quality Inspection Machine Feeding System Based on LSI |
| 投稿时间：2016-01-11 修订日期：2016-10-10 |
| DOI： |
| 中文关键词: 品检机 LSI模型 串联系统 |
| 英文关键词: quality inspection machine LSI model series system |
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| 中文摘要: |
| 目的 提高品检机整机走纸系统的稳定性。方法 采用LSI强度干涉模型对单元进行理论建模，对比分析高速单张品检机整机串联系统单元独立失效和单元共载荷失效等2种不同失效形式下的系统可靠度。对系统进行定数截尾实验，测量参与单元数目发生变化时，系统2次故障间连续工作时间的变化，对整个串联系统的平均故障发生时间与理论值进行比较，绘制样条拟合曲线。结果 单元共载荷失效模型样条曲线拟合度更高。结论 对于服从指数分布的品检机串联系统，单元共载荷失效模型更能准确地评估整机的可靠度和稳定性。 |
| 英文摘要: |
| The work aims to improve the stability of the whole paper feeding system on quality inspection machine. The reliability of the high-speed single sheet paper feeding system was analyzed under unit independent failure and element total load failure modes through the LSI intensity interference model. Destiny truncation experiment was carried out for the system. Change in continuous working hours between two faults was measured when the amount of concerned units was changing. The failure mean time of the whole system was compared with the theoretical value. Spline fitting curve was drawn. Spline fitting curve of unit load total failure model had higher degree of fitting. In conclusion, for the series system of quality inspection machine that is in compliance with the exponential distribution, the unit total load failure model can assess the reliability and stability of the series system more accurately. |
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