CAJ | 학술논문

针对长寿命的磨削电主轴极小子样的可靠性评估问题，提出了Bayes结合虚拟增广样本的分析方法。首先，在 Bayes 法基本流程的指导下，研究了基于 Bayes 法的磨削电主轴可靠性评估方法。根据定时截尾试验的原则对电主轴进行可靠性试验，应用 Bayes 法结合磨削电主轴试验样本的可靠性试验数据，综合虚拟增广样本法对其可靠性进行评估，最终获得电主轴的可靠性评估结果。最后，将基于 Bayes 法与基于伪寿命分布法的磨削电主轴极小子样可靠性评估结果进行比较，以验证基于 Bayes 法可靠性评估理论的合理性。
침대장수명적마삭전주축겁소자양적가고성평고문제，제출료Bayes결합허의증엄양본적분석방법。수선，재 Bayes 법기본류정적지도하，연구료기우 Bayes 법적마삭전주축가고성평고방법。근거정시절미시험적원칙대전주축진행가고성시험，응용 Bayes 법결합마삭전주축시험양본적가고성시험수거，종합허의증엄양본법대기가고성진행평고，최종획득전주축적가고성평고결과。최후，장기우 Bayes 법여기우위수명분포법적마삭전주축겁소자양가고성평고결과진행비교，이험증기우 Bayes 법가고성평고이론적합이성。
Aiming at the reliability evaluation of a long life grinding motorized spindle's extremely small sample,a Bayes method combined with virtual augmented sample was proposed.Firstly,under the guidance of the basic process of Bayes method,the reliability evaluation method of a grinding motorized spindle based on Bayes method was studied. According to the principle of timing truncation tests,the reliability tests of the motorized spindle were conducted.Then, Bayes method combined with the reliability testing data of the grinding motorized spindle's testings sample and the virtual augmented sample method was applied to assess the reliability of the spindle.Furthermore,the reliability evaluation results of the motorized spindle were obtained.Finally,the reliability evaluation results of the grinding motorized spindle based on Bayes method and those based on the false life's distribution method were compared to verify the correctness of the proposed method.