机电工程技术
機電工程技術
궤전공정기술
MACHANICAL & ELECTRICAL ENGINEERING TECHNOLOGY
2014年
5期
96-99,165
,共5页
协调器%故障%FMECA%熵权%决策实验室方法
協調器%故障%FMECA%熵權%決策實驗室方法
협조기%고장%FMECA%적권%결책실험실방법
harmony device%failure%FMECA%entropy weight%DEMATEL method
协调器作为供输弹机的关键部件之一,要求其具有较高的可靠性。基于协调器结构原理,综合运用FMECA (故障模式、危害度分析)和DEMATEL (决策实验室)方法,充分考虑故障模式影响概率的不确定性、危害度计算贡献因子的不同性,以及故障之间的联系与影响程度,对协调器的故障模式、故障原因进行排序,并结合传统危害度法、改进危害度法的比较,找到协调器薄弱环节,为协调器的研制、结构改进和科学维修提供指导意义。
協調器作為供輸彈機的關鍵部件之一,要求其具有較高的可靠性。基于協調器結構原理,綜閤運用FMECA (故障模式、危害度分析)和DEMATEL (決策實驗室)方法,充分攷慮故障模式影響概率的不確定性、危害度計算貢獻因子的不同性,以及故障之間的聯繫與影響程度,對協調器的故障模式、故障原因進行排序,併結閤傳統危害度法、改進危害度法的比較,找到協調器薄弱環節,為協調器的研製、結構改進和科學維脩提供指導意義。
협조기작위공수탄궤적관건부건지일,요구기구유교고적가고성。기우협조기결구원리,종합운용FMECA (고장모식、위해도분석)화DEMATEL (결책실험실)방법,충분고필고장모식영향개솔적불학정성、위해도계산공헌인자적불동성,이급고장지간적련계여영향정도,대협조기적고장모식、고장원인진행배서,병결합전통위해도법、개진위해도법적비교,조도협조기박약배절,위협조기적연제、결구개진화과학유수제공지도의의。
The harmony device is one of important parts of auto-loading system, and its high reliability has been required. The priority analysis of failure modes and failure causes for harmony device has been made by failure,effect,and criticality analyses (FMECA) and Decision Making and Trial Evaluation Laboratory (DEMATEL) technique, with fully considering effect probability of failure mode uncertainty,difference of criticality contribution factors,and the links between the failure modes and effects of the harmony device. The weak of harmony device taches are found comparing with the conventional FMECA and improved criticality method. The research fruit can provide guidance for manufacture,structure improvement and servicing of harmony device.