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缂洪櫡瀹瑰樊鍜孎MEDA鍒嗘瀽

鍦ㄩ浕璺瓨鍦ㄥ悇绋己闄风殑鎯呮硜涓�锛孴essentDefectSim涔熷彲琛￠噺闆昏矾鍦ㄥ彲鎺ュ彈鐨勫弮鏁�(sh霉)鑼冨湇鍏�(n猫i)绻肩簩(x霉)淇濇寔姝ｅ父宸ヤ綔鐨勮兘鍔沎9]銆傞€欎竴缂洪櫡瀹瑰樊鍒嗘瀽鐩存帴闂�(gu膩n)绯诲埌闀�(zh菐ng)鏈熺殑鍙潬鎬э紝鍥犳灏�(du矛)姹借粖鎳�(y墨ng)鐢ㄤ締(l谩i)瑾�(shu艒)妤靛叾閲嶈銆傚湪鏈€甯歌鐨勬儏娉佷笅锛屽亣瑷�(sh猫)鍔熻兘閭忚集鍙楀埌ECC鎴朆IST绛変竴浜涘畨鍏ㄦ(j墨)鍒剁殑鐩�(ji膩n)鎺�銆傞偅涔堬紝缂洪櫡閫犳垚鐨勫奖闊垮彲鎸夊湒9鎵€绀洪€�(j矛n)琛屽垎椤�銆�

鍦�9锛氬姛鑳芥€у畨鍏ㄥ垎鏋愮殑缂洪櫡鍒嗛銆�

q1鍜宷2璞￠檺鍏�(n猫i)鐨勭己闄蜂笉褰遍熆姝ｇ⒑鐨勯浕璺姛鑳介亱(y霉n)杞�(zhu菐n)锛屽洜姝や笉鏈�(hu矛)灏�(du矛)瀹夊叏閫犳垚涓嶅埄褰遍熆銆俼3璞￠檺涓殑缂洪櫡鏈�(hu矛)褰遍熆鍔熻兘閬�(y霉n)杞�(zhu菐n)锛屼絾瀹夊叏鐩�(ji膩n)瑕栧櫒鍙皣鍏舵娓�(c猫)鍑轰締(l谩i)锛屽緸鑰屼护闆昏矾铏曚簬瀹夊叏鐙€鎱�(t脿i)銆俼4璞￠檺涓殑缂洪櫡涔熸渻(hu矛)褰遍熆鍔熻兘閬�(y霉n)杞�(zhu菐n)锛岃€屼笖涓嶅垢鐨勬槸锛屽畨鍏ㄧ洠(ji膩n)瑕栧櫒鐒�(w煤)娉曞皣鍏舵娓�(c猫)鍑轰締(l谩i)銆傚洜姝�锛宷4缂洪櫡鏈�(hu矛)灏�(d菐o)鑷翠笉瀹夊叏鐙€鎱�(t脿i)銆備簬鏄�锛岀己闄峰宸彲瑷�(j矛)绠楃偤1鈥搎4/(q1+q2+q3+q4)銆�

TessentDefectSim涔熷彲浠ョ敓鎴怚SO26262妯�(bi膩o)婧�(zh菙n)涓畾缇╃殑鍏朵粬FMEDA锛堝け鏁堟ā寮�銆佸奖闊垮拰瑷烘柗鍒嗘瀽锛夌浉闂�(gu膩n)鐨勭‖浠跺畨鍏ㄦ寚妯�(bi膩o)銆傜浉闂�(gu膩n)鎸囨(bi膩o)鐨勫畾缇╁拰瑷�(j矛)绠楁柟娉曞涓嬶細

?鍠粸(di菐n)澶辨晥鎸囨(bi膩o)(SPFM)鏄柈涓€缂洪櫡涓嶆渻(hu矛)灏�(d菐o)鑷翠笉瀹夊叏鐙€鎱�(t脿i)鐨勬鐜囷紙瑕佷箞鏈�(hu矛)琚畨鍏ㄧ洠(ji膩n)瑕栧櫒妾㈡脯(c猫)鍒�锛岃涔堜笉鏈�(hu矛)灏�(d菐o)鑷村姛鑳藉け鏁堬級銆傞€欎篃灏辨槸浠ヤ笂瀹氱京鐨勭己闄峰宸�銆�

SPFM=(q1+q2+q3)/(q1+q2+q3+q4)

?娼涘湪鏁呴殰鎸囨(bi膩o)(LFM)琛ㄧず锛屽湪鍏╁€�(g猫)榛�(di菐n)鏁呴殰鍧囦笉鏈�(hu矛)鍠崹(d煤)灏�(d菐o)鑷翠笉瀹夊叏鐙€鎱�(t脿i)鐨勬儏娉佷笅锛屽畠鍊戜竴璧风櫦(f膩)鐢熸檪(sh铆)浠嶄笉鏈�(hu矛)灏�(d菐o)鑷翠笉瀹夊叏鐙€鎱�(t脿i)鐨勬鐜囥€傜偤闄愬埗姝ゅ垎鏋愮殑寰�(f霉)闆滄€�锛屾垜鍊戝彲閫氶亷(gu貌)鍒嗘瀽鍝ó缂洪櫡鏈�(hu矛)灏�(d菐o)鑷村畨鍏ㄧ洠(ji膩n)瑕栧櫒涓嶆娓�(c猫)鍏朵粬鍔熻兘澶辨晥锛屼締(l谩i)瑷�(j矛)绠楅€欎竴鎸囨(bi膩o)銆傞€欎簺缂洪櫡鐨勫害閲忓湪浠ヤ笅绛夊紡涓〃绀虹偤鈥渓(f膩)atent鈥濊畩閲忥細

LFM=(q1+q2+q3-latent)/(q1+q2+q3)

?瑷烘柗瑕嗚搵鐜�(DC)鐢ㄤ簬琛￠噺鍙皫(d菐o)鑷村姛鑳藉け鏁堜絾鏈�(hu矛)琚畨鍏ㄧ洠(ji膩n)瑕栧櫒妾㈡脯(c猫)鍒扮殑缂洪櫡鐨勭櫨鍒嗘瘮銆�

DC=q3/(q3+q4)

?闅ㄦ(j墨)纭欢澶辨晥(PMHF)鐨勬鐜囨寚妯�(bi膩o)鏈唱(zh矛)涓婅〃绀虹殑鏄瘡灏忔檪(sh铆)鐨勭附楂斿け鏁堟鐜�锛岃　閲忔柟娉曟槸鑰冩叜闅ㄦ檪(sh铆)闁撶殑鎺ㄧЩ鐧�(f膩)鐢熸墍鏈夊彲鑳藉皫(d菐o)鑷村姛鑳藉け鏁堢殑鏁呴殰鐨勫彲鑳芥€�銆�

PMHF=(1-SPFM)脳(鎵€鏈夌己闄蜂技鐒剁殑绺藉拰)脳(浼佹キ(y猫)甯搁噺)

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