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鍩轰簬淇℃伅铻嶅悎鎶€琛�(sh霉)鐨勭う浜曟彁鍗囨(j墨)鏁呴殰瑷烘柗鐨勭爺绌�

鏅傞枔锛�2009-09-19 11:04:01渚嗘簮锛歵aoyang

灏�(d菐o)瑾烇細?鏈枃閲濆皪绀︿簳鎻愬崌姗�(j墨)鏁呴殰瑷烘柗鏂规硶瀛樺湪鐨勫眬闄愭€�锛岄亱(y霉n)鐢ㄤ簡涓€绋熀浜庡鍌虫劅鍣ㄤ俊鎭瀺鍚堢殑鏅鸿兘鏁呴殰瑷烘柗鏂规硶銆傝┎鏂规硶閲囩敤D-S璀夋摎(j霉)鐞嗚珫姹虹瓥绱氳瀺鍚堥€�(j矛n)琛屾晠闅滆瓨鍒ワ紝鍒╃敤绲�(t菕ng)瑷堣瓑鎿�(j霉)鐛插緱鍩烘湰姒傜巼璩﹀€笺€�
鎽� 瑕侊細鏈枃閲濆皪绀︿簳鎻愬崌姗�(j墨)鏁呴殰瑷烘柗鏂规硶瀛樺湪鐨勫眬闄愭€�锛岄亱(y霉n)鐢ㄤ簡涓€绋熀浜庡鍌虫劅鍣ㄤ俊鎭瀺鍚堢殑鏅鸿兘鏁呴殰瑷烘柗鏂规硶銆傝┎鏂规硶閲囩敤D-S璀夋摎(j霉)鐞嗚珫姹虹瓥绱氳瀺鍚堥€�(j矛n)琛屾晠闅滆瓨鍒�锛屽埄鐢ㄧ当(t菕ng)瑷堣瓑鎿�(j霉)鐛插緱鍩烘湰姒傜巼璩﹀€笺€傞€氶亷涓€瀵�(sh铆)渚嬭珫璀変簡鍦ㄧう浜曟彁鍗囨(j墨)鏁呴殰瑷烘柗涓�锛岄噰鐢ㄦ鏂规硶姣斿柈鍌虫劅鍣ㄤ俊鎭晠闅滆ê鏂锋柟娉曟洿鍏锋湁鍎�(y艒u)瓒婃€с€� 闂�(gu膩n)閸佃锛�淇℃伅铻嶅悎锛涙晠闅滆ê鏂�锛涚当(t菕ng)瑷堣瓑鎿�(j霉) Abstract: For limitation of fault diagnosis methods in Mine Hoist, a fault diagnosis method based on the multi-sensor information fusion was used in this article. The D-S evidence theory is applied to the fault identification, and the basic probability assignment is offered with the statistical evidence. By contrast the diagnosis result of an example, it indicates that using the multi-sensor information fusion method is more Superiority than using a single information as fault diagnosis method in fault diagnosis. Key words: information fusion; fault diagnosis; statistical evidence 0 寮曡█ 瑷�(sh猫)鍌欐晠闅滄槸鎸団€滆ō(sh猫)鍌欏姛鑳藉け?锛�?锛屼篃灏辨槸瑷�(sh猫)鍌欎笉鑳介仈(d谩)鍒伴爯(y霉)鏈熺殑宸ヤ綔鐙€鎱�(t脿i)锛岀劇娉曟豢瓒虫噳(y墨ng)鏈夌殑鎬ц兘銆佸姛鑳�銆傝ō(sh猫)鍌欐晠闅滆ê鏂锋妧琛�(sh霉)鏄繎40骞翠締鐧�(f膩)灞曡捣渚嗙殑閬╂噳(y墨ng)宸ョ▼瀵�(sh铆)闅涢渶瑕佽€屽舰鎴愮殑涓€闁€缍滃悎瀛�(xu茅)绉�锛屾槸鍚勫(xu茅)绉戜氦鍙夌櫦(f膩)灞曠殑蹇呯劧锛岀敱姝ょ嵅鍙栫殑缍�(j墨ng)婵�(j矛)鏁堢泭鍗佸垎椤憲銆� 鎵€璎傚鍌虫劅鍣ㄤ俊鎭瀺鍚堟槸灏嶄締鑷鍊嬪偝鎰熷櫒鐨勪俊鎭€�(j矛n)琛屽绱氬垾銆佸鏂归潰鐨勮檿鐞�锛屽緸鑰屽皫(d菐o)鍑烘柊鐨勩€佹湁鎰忕京鐨勪俊鎭�锛岃€岄€欑ó鏂颁俊鎭槸浠讳綍鍠竴鍌虫劅鍣ㄦ墍鐒℃硶鐛插緱鐨�锛屽畠琛ㄧず浜嗚妾㈡脯鐩(bi膩o)灏嶈薄鐨勮鐐�銆傞€氶亷澶氬偝鎰熷櫒淇℃伅铻嶅悎锛屽彲浠ユ摯(ku貌)澶ф檪绌鸿钃嬭寖鍦�锛屽鍔犵疆淇″害锛屾敼鍠勬娓郴绲�(t菕ng)鐨勫彲闈犳€sup][1][/sup]銆� 鏈枃鐮旂┒鍩轰簬绲�(t菕ng)瑷堣瓑鎿�(j霉)鐛插緱鍩烘湰姒傜巼璩﹀€�锛屽埄鐢ㄥ熀浜庡熀鏈鐜囪肠鍊肩殑D-S璀夋摎(j霉)鐞嗚珫姹虹瓥绱氳瀺鍚堟柟寮忥紝灏嶇う浜曟彁鍗囨(j墨)鐨勬晠闅滈€�(j矛n)琛岃瓨鍒�銆� 1 澶氬偝鎰熷櫒鏁�(sh霉)鎿�(j霉)铻嶅悎绠楁硶 灏嘍-S璀夋摎(j霉)鐞嗚珫鎳�(y墨ng)鐢ㄤ簬澶氬偝鎰熷櫒鏁�(sh霉)鎿�(j霉)铻嶅悎鏅�锛屽緸鍌虫劅鍣ㄧ嵅寰楃殑鐩搁棞(gu膩n)鏁�(sh霉)鍊煎氨鏄┎鐞嗚珫涓殑璀夋摎(j霉)锛屽畠鍙(g貌u)鎴愬緟璀樺垾鐩(bi膩o)妯″紡鐨勪俊搴﹀嚱鏁�(sh霉)鍒嗛厤锛岃〃绀烘瘡涓€鍊嬬洰妯�(bi膩o)妯″紡鍋囪ō(sh猫)鐨勫彲淇$▼搴︼紝姣忎竴鍌虫劅鍣ㄥ舰鎴愪竴鍊嬭瓑鎿�(j霉)绲�銆傚鍌虫劅鍣ㄦ暩(sh霉)鎿�(j霉)铻嶅悎灏辨槸閫氶亷鑱�(li谩n)鍚堣(gu墨)鍓囪伅(li谩n)鍚堝咕鍊嬭瓑鎿�(j霉)绲勫舰鎴愪竴鍊嬫柊鐨勭稖鍚堢殑璀夋摎(j霉)绲�锛岀敤鑱�(li谩n)鍚堣(gu墨)鍓囪伅(li谩n)鍚堟瘡鍊嬪偝鎰熷櫒鐨勪俊搴﹀嚱鏁�(sh霉)鍒嗛厤褰㈡垚铻嶅悎鐨勪俊搴﹀嚱鏁�(sh霉)鍒嗛厤锛屽緸鑰岀偤鐩(bi膩o)妯″紡鐨勬焙绛栨彁渚涚稖鍚堟簴(zh菙n)纰虹殑璀夋摎(j霉)銆� 1.1 D-S璀夋摎(j霉)鐞嗚珫鍩烘湰姒傚康 璀夋摎(j霉)鐞嗚珫鏄敱Dempster鍦�1967骞存渶鍒濇彁鍑虹殑锛屼粬鐢ㄥ鍊兼槧灏勫緱鍑轰簡姒傜巼鐨勪笂涓嬬晫锛屽悗渚嗙敱Shafer鍦�1976骞存帹寤e苟褰㈡垚璀夋摎(j霉)鎺ㄧ悊锛屽洜姝ゅ張绋辩偤Dempster-Shafer鐞嗚珫銆傝ō(sh猫)U琛ㄧずX鎵€鏈夊彲鑳藉彇鍊肩殑涓€鍊嬭珫鍩熼泦鍚�锛屼笖鎵€鏈夊湪U鍏�(n猫i)鐨勫厓绱犻枔鏄簰涓嶇浉瀹圭殑锛屽墖绋盪鐐篨鐨勮瓨鍒ユ鏋躲€� U鍙互鏈夐檺涔熷彲浠ョ劇闄�锛屽湪灏堝绯荤当(t菕ng)鐨勬噳(y墨ng)鐢ㄤ腑鏄湁闄愮殑銆�
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