标题:
?????????????????????????????¤??????????[×?]
[打印本页]
作者:
????
时间:
2004-3-16 19:46
标题:
?????????????????????????????¤??????????[×?]
?????????????????????????????¤??????????[×?]
?????????????¨????????
???????¨??±??¨???????°?ú?·?????¨?????????????¨???±???????ê?????¨???????????±?ò?¨???????°?????¨?????????????¨?±?????ù???í???????????±???§±í?????????ù?????????±??(MTBF)?????????????ú??????????±????????????????????????????????????è?????ò???????????????????í?????????ù?ù????×·????×????ù???????????ì???????????????????????????í????????????????±?×·?????????????ú????????1995?ê?????????????????¨???á?????????????·????????????????????(MFOP)???ú??????MTBF???????????è?ú??·???????????±??ò?????????????ú???ú?§?§??·¨±??????????????ò?????±?°?ú?????????????????¤?????????§?§???í·?·¨?????±?÷???è?????????????ú?§?§???ú?·??·??????????????±???????????í×??????????¤·????????????è???ú?·??·??è?????±±????????ú?·???á???ù·??ú????????°????±·??ú????????
??×??????????????????·±???×÷???????????¤×÷????
1????±????????è?????·??
??×????????????????è??·?·¨?????ú????MTBF????×???????·???·?·¨???±?ú?·???????????è???ê?????ó?????????è???????????è???°??·??????????????é???·????????????·??ú?????????ü???°???????????ú?í?????è???±????????????????×????????????????????????????????????×???????????????????????????¨?????¤?????ù???????????????·±???????????????±ê??????·????à???????±±????ò?è???ó??·??????????????ü???è????????·??±?????§???????????????????????è?????????¤
????×????à???????????????????¤???è?????¤
???????í?????à?è???¤
?????????è???¤
?????è???¤
?????í???è???¤
?·??·??¤?è???¤
???à?è???¤
???????????????°?ì?????????????????????????è??????
2????±????????¤???¤×÷·?·¨??
?????????ú?·????????????????±???°??????????????????ú?·??·??????×???????????????????????ì?????÷????????????????????×????????????????è??·?·¨???????÷???ú?·????????????±????·?????????§?§???í·?·¨?¤×÷?????????§???????¤·???????????×????°?????????????±??????????×??????¤×÷????
?§?§???í·?????????????????
?????????????????é???°??±????è???±???????????§????????????
?????????????????é(HAST)??±????ú?·±????·???è????????
?????è?????ó???????????è????????
???????í?¤·????????????è?????????¤
????????????????±ê?????°???é?¤ ??
?±?°??×??ú?·??±é?????ù?????????±??MTBF??±í?÷??MTBF???ú?·?ù±?????????±ê???????????¤???±???????????????ù?????????§×??????????????????????????ù???ü?????????±??MTBCF?????ü?·??????????????MTBF????????????????±ê?é?¤???é?±????????MTBF????????????????????????????????????°???°????????é?¤???é???ú?·??????×????ò?????°????×????±???í?????????ú?·???????ê?????¨?????????????????????????ê?????¨????????????????·?????±?????????????±????ò??????????0????????1????????????·??à?????????¨???????¤?????????????????????ó???????¤?÷???ú?·???????????ì?????°?ì?????????????ó???????????§???ó(???×???ú?··????ú?????????ò???¨????)???????ó???á??(?????????§?§???????÷???????±??????)?????§??????????°??????ó?????????????????????????????????????????????í???????????é?????????à·????????ú?·???????é?¤?????????????·????????????????·?·¨?????????????????í???±?????????ú?·???ú????·????????????????????í???±??????????°?±???????·????±??????×??è???????à?è???ó?±?????????????ò????????70?ê?ú???ú???????ú?·??·??????????????¨????????????·?·¨????×??÷?????????????????á???????·?¨???????????í?????????????????????????????????ù??????1980?ê???ü±ê×?MIL??STD??785B°????ó?????????¨???í·?·¨±???????????785B±ê×??????????????¨???????????ú?·???????é?¤?????????????°????×????±???í?????í????????????????????ù?????????ú???ü???×????????????ר???????ù?????é?¤·?°???????°??ú?·????????±ê????·?????·?±??é?¤????°????????÷×°±?????×?????·????????????????????¤
?????ú?ê??????(Missionworthy)?¤
?????¨?±?????????????ó???ê??????(Missionworthy)?¤
???ê??????????????????(Missionworthy impaired)?¤
?????ê??????(Non??missionworthy)?¤
?????ê?????????§???ú??????(Non??mission??worthy) ??
°?????????±ê·?????±í???????????í????????????????????±ê????·??????¤???°???????????????è??????????·??????????????????ò?????ù?????ü??1986?ê10??17??·?????MIL??STD??7810???¤?????????¨???ú?ú?????????é?·??????±??????×???á???????????é?¤??°??ó??????????°?·??ú??????·????????ü?????????????????á?????????à??????????×??ù?????????????????????????¨???í?????üMI???????????ù×???????
?????ú????±ê×????é???????ü20?????à?ú?·?????????????¨???í?????ü?··?·????????????×???????????é·?·¨?·?????á?????????·??????????YD282??1982???????¨???è±????????¨?????é·?·¨?·???????á?????????¨?????????????????à?ú?·?÷?????????á?????????¨?????????????????é?????????????????¨·?°??????????÷×????????¨?¨???????????????°?????????¨???ù?é?????????????????????????????????????????????????ì?????????????¤
??????±??????????????????????è?????· ?????í?????????è?? ?¤
??×????á???????????????á???????????????????????í??????×????????±?°??×?????(?ò?è±?)?í??????????????????????????±??????????????¨???ú?·????50%???????????°???????????????????????????í???????????°?????±???????í????????·±·??ú?????????ó?????????????????¤???¤×÷?±?????í?????????á?°?????????ò???????????????í?????????¤×÷???í?????ú???????????????????ù???ê?ú?ó???????????????í?????????¤????????°????ê?ú???á?????±???????í?????????????????????ì???????í?à???????????????????ú°????ê?ú??????????ר??????·??????????????????????????ê?ú?í?????????¤?????????????????°???????í?????????í???????ò?¤???????????±???????????????????????????????????????????????ù???í?????????¤?????????ú?·??·???±???·????????????í???????????????????????????????????????ó????????????????·???????
A????????????·?????·???????°?????????·????ò??????·?????????????×??????¨?????????ó????
B??????????±ê?·?¨?à?ù??????
C??±ê?????????????????????é?¤?????????·?¨??????
D????×??è±????í????????????????????????°??????????í???????????????è???±?????????ù??·???????
?????í?????????¤???÷?????????¤×÷????
A???¨????????????????
B???·?¨?????í??????????±ê????
C???????í??????????±ê·???????
D??????????????±ê?¤??????
E???í?????????è??????
·??í?è????
???í?è????
±ê?í?è????
???í?è????
?????????è??????
F?í????????·???????
?í???§?§?????°?ì·???(SFMEA)??
?í???????÷·???(SFTA)??
Pertri??·???·¨??
G?í?????????é?¤???í??????????°??????¨???í?????????????????????????í?????????????????????é?¤???ú????????ר???????????í???????????????ú?????í???é???????????????í?????????????ò???????????í????????·???????·??????????é??????????????GJB899???????????¨???é?????é?·???·?¨?í?????????é??×??ò??
?¤
??????±?????????×??ú?·?á???è?????? ???????????á???è?? ??
????????×??ú?·?á???è????°?±ê×??????á???è???????????é?ò??????????×°???ò????????????????????????°é?????§????·??????????????????????????á???ú?·?????????á???è??????±????????????á???è????????×?·¨?????????????????á???è?????ù?????????á???è???????????ù??????
??×??ú?·?á???è?????ú???????????è???????è????EMC?è???????????è??????·??è?????????è???ò???????????ò?????à?????ò???ü???????????????????????????????è???????¨???????è??????
???????è???ò???????ú???????????è??????×??ó???ú?????????????????÷???ú???????????è?????ù±????????¨??????
A?????????è???????????è???à?á????
B?????????????è?????????????????è???à?á????
C???????è???????????è???à?á????
D???¨???è?????¨???è???à?á????
E???ú???????????è??????±??è???à?á????
F???ú???????????è???????·???????è???à?á????
?????ú????????????±???°??????????????????á???¤???????????????????????ú??????????·???·?·¨???è??·?·¨???¤
???????????????????????í?????·????IPPD???í ??
????1995?ê?????????ú???ì?±??°?·????????????????????íר???????ì?????????±???°???????í???÷???±????×???????????·????·???????°???????????????ú?ú?????????????????????????????????????????????????????????????¨???????????é???????????????ó?????ú???????????????ú?????????í??????±????????????í???????????????±???????°???ò????????????????????×??ü??·????????????ú?ú·??????????é???????¤???????????????¤???±???¤Mark schaeffer?????????ú·??¤???????????á???????°?????ú???????í???????????????????·??×??á???ú???????í???????×????
(1)?????×?????????????ì?é??
(2)80?ê?ú??????????×?????????TQM(Totac Quality Management)??
(3)90?ê?ú??????×??ú?·??·??è????????IPPD?????°???????????°???ì???????????ò?¤·??????????????????????????????°????????ר?????±×??????ú???????????????????????????°?????????±?????§??????????±??????¤???????ì?í??±à?????ú?·???¤??????×?????????????±???????????????×é????·???????IPPD?????????÷?????¤×÷????×÷?????????ú?·?è??????????×??è???????ì?????é????????±??????÷·????????±(°ü?¨???????°?????????±)×é???à?§????×????ú?·×é(IPT)???????¤×÷???ù?????±?????????ú?·??×???±ê?????????ó?????????????????????÷?§???????????????í·?·¨?·±?R&M&S(°ü?¨????????±???????°?????)?????è???????????????????????????è?????ú?·??????±????????°?????¤?±??????????
IPPD?????????÷???§?????????·±????§?????ó?????ú?·?è???????????§?ú±í±?×÷??IPT?????±?????è????????????IPT???±????·????????§?????ó????±??????§??R&M&S?????ó??°????§???ó×??????ú?·?è?????????????????ó????°????????ó?è?????ú?·??????????×??ó??????(????)????????????????????????????IPPD???í???????????§×¨??????CFT(?à?±??IPT)?????????????????????í×÷??????????????×??????????ì???¤???????????????????????????????????°??CFT·????????±×é????????????????±ê???????§?ú??????????????±ê????
IPPD???í?????????????????????ò???ú??????×?±????á?§????????????????×·?ó??????????×??????±?????????????í?????°?ú?··????ú?ú???????¤?????????ó?±???????°?ì?é?±??????±??¤?ú?·???????×???°???ó°????±?????ú??????×·?ó?ú?·?°?¤??±????????????±???°×??????ü????·????±??×??????±?????¤·????????í???????°???????í?±?????????????????±????·???(??????????????????????????????°???????±???????)???????????÷?ú??????????·????ú???????ê????????????×?±????ò??·×·×????IPPD???í???????ú?????ú??·¨?ú????±????ú?????ú??????×??ó???????????????¤×÷????
??×÷??IPPD???í??±???×÷???????¤×÷????
A?????ú?·??·????????????÷?????????????????è?????ú?·??????????????·?°??è???±????×é??IPT??×é????
B??????????°?????????????????????????????????±???????????????°????????????¨?????????????è?????ú?·??????????????????
C???????????????í???????????????????à???¤×÷????
D????IPT???§?¤×÷??±?????????????×÷???????ü?????????°???¨?±???°???¨?±??????????????????????×???????????????????IPT??×é?ü???¤×÷??
?¤
?ù????±??????????í?????? ?????????????í ??
?????????í?????????¤??×é????·??????????????????????????????°?ú?·?????????è?????????????ì???????????í???????????±???????????í??°é??×????????¤??·?????·?????×??????????¤??·????·?????????????????í??·????ú???????ú?????????¤??????×?????·???×??ì???ú?????????????ú±í??????
50?ê?ú?????ú?????????????????ê?ú???????????ü????×??è±??????????????????????????????????????????????????????????ü????×??è±???????×???×é(AGREE)????????????????????·????????????????????í?????á???é????????(±à??×??????ú???±?±??????°??ú??????57?ê?¨???°?????????·?????é?????ù?±??????????????×????ù)????
60?ê?ú?????ú???????¤??????·??????×???????????ú???÷?????????????á?????????ó?????ê?ú??
????10?ê???????????÷×°±????????????????????í???????????×???????è???????é?????í±ê×?????MIL??HDBK??217??MIL??STD??781??MIL??STD??785???????¤???????÷?ó???????????¤???????????????¤×÷?????????°?????±???í????
70?ê?ú?????ú??????·??????????ì?×?????÷?????????¨?????????????????????í?ú????????×é?????÷?ú·???·??§????????????????±ê×??????á?????ó???????????????????ú?????????¤?????????÷?ó????·×·×?????????????í×é???ú???????ú?·????????±ê·??????¤???????????è??????????·??????????????é?????????????????????????í???????????????°?????±?????í?????°?????±???í????????????????
80?ê?ú???????ú???????¤???ò×??ü?????ü????·??ò·??????????í???????????????????í?????÷???????°?????????í?????????????????????????í???????????ú???????????????????????ú?¨?ú?è??(CAD)?????????????¤?????????????????????é????×??????????í?è???????????????????????????·???????????????á?????ú???÷??????????????1985?ê???ú???ü???????°???????°??????2000?ê?????????±(R&M2000)?ü???????????????????í??????????????±??¤????????????????±??????°???÷×°±?×÷?????????????÷×°±???????±??ê?????????????????°?????????????????í???ó???????°???ó???±???í??×??ò???????á?ò??±?????
90?ê?ú???ú????????·???????±?????·????ó?????ü??±ê×????ó????????×??è?????????¤???°IPPD???í???ò???????°???????±???í???ú?°???ó???±???í???×???????ú???ü?°???à???¤????????·??????°???????±???í???¨???ó??±ê×?????·????????§???????°???????±???í?á?????????????????????ò??????·??????????????°???????±???í???ê????1????2???°???????±???í??????????A.?????????¤???????ú?·??·????????????????????ò??????·???(????????????????????????±???????°???????????????)??????????B.?????????à???????????ú?·??·??????????????????????????????á?????????????????ó??C.?????????????????í???????????í???????§??×????ü?????????????¨???ì????????D.??????????????·??????í?????ú?·??·??°?????????ê?????????????????í?????????ò???????????¤×÷???????????°???????????????§?????í??·???????±????????????¤????
?ù?????¤?????????????¤???¤×÷???é????????????°????ú?ú?é???ú?·????????????????×??è±????????ú?ú???????????í?????????????¤
±?????????×??????ò???ú?????????¤???á??×???????????×????÷?????????¤?????????á?°??
欢迎光临 我要委托设计网论坛 (http://51odm.com/fourms/)
Powered by Discuz! 5.5.0
