{"id":108744,"date":"2026-10-24T12:48:10","date_gmt":"2026-10-24T12:48:10","guid":{"rendered":"https:\/\/skyplanner.ai\/?p=108744"},"modified":"2026-10-24T12:48:23","modified_gmt":"2026-10-24T12:48:23","slug":"mtbf","status":"publish","type":"post","link":"https:\/\/skyplanner.ai\/cs\/zdroje\/mtbf\/","title":{"rendered":"St\u0159edn\u00ed doba mezi poruchami: v\u00fdpo\u010det a vyu\u017eit\u00ed MTBF"},"content":{"rendered":"
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St\u0159edn\u00ed doba mezi poruchami: v\u00fdpo\u010det a vyu\u017eit\u00ed MTBF<\/h1>\n\n
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Domov<\/a> » Zdroje<\/a> » St\u0159edn\u00ed doba mezi poruchami: v\u00fdpo\u010det a vyu\u017eit\u00ed MTBF<\/p>\n\n\n

<\/path><\/svg><\/span><\/span>Odhadovan\u00fd \u010das \u010dten\u00ed: <\/span>11<\/span> minut<\/span><\/p>\n\n<\/div>\n

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St\u0159edn\u00ed doba mezi poruchami (MTBF) je pr\u016fm\u011brn\u00e1 doba provozu p\u0159ipadaj\u00edc\u00ed na jednu poruchu opraviteln\u00e9ho za\u0159\u00edzen\u00ed.<\/strong> U v\u00fdrobn\u00edho stroje ji vypo\u010d\u00edt\u00e1te vyd\u011blen\u00edm celkov\u00e9 doby jeho provozu po\u010dtem poruch zaznamenan\u00fdch za stejn\u00e9 sledovan\u00e9 obdob\u00ed:<\/p>\n\n\n

MTBF = celkov\u00e1 doba provozu \u00f7 po\u010det poruch<\/strong><\/p>\n\n\n

Stroj, kter\u00fd za 160 hodin provozu zaznamenal \u010dty\u0159i poruchy, m\u00e1 zji\u0161t\u011bnou hodnotu MTBF 40 hodin provozu. To neznamen\u00e1, \u017ee se porouch\u00e1 ka\u017ed\u00fdch 40 hodin ani \u017ee servisn\u00ed z\u00e1sah t\u011bsn\u011b p\u0159ed dosa\u017een\u00edm 40 hodin zabr\u00e1n\u00ed dal\u0161\u00ed poru\u0161e.<\/p>\n\n\n

Podstatn\u00e9 je, co v\u00e1m pr\u016fb\u011bh poruch napov\u00edd\u00e1 o tom, co prov\u011b\u0159it a zm\u011bnit. Jakmile se \u00fadr\u017eba s v\u00fdrobou dohodnou na z\u00e1sahu, je t\u0159eba dobu nedostupnosti stroje prom\u00edtnout i do pl\u00e1nu zak\u00e1zek. SkyPlanner APS propojuje tuto zm\u011bnu kapacity s dot\u010den\u00fdmi operacemi a term\u00edny dod\u00e1n\u00ed, tak\u017ee nemus\u00edte ru\u010dn\u011b sla\u010fovat seznam \u00fadr\u017eby se samostatn\u00fdmi frontami pr\u00e1ce na jednotliv\u00fdch stroj\u00edch.<\/p>\n\n\n

Ujasn\u011bte si, co v\u00fdpo\u010dtem MTBF skute\u010dn\u011b m\u011b\u0159\u00edte<\/h2>\n\n\n

Samotn\u00e9 d\u011blen\u00ed je snadn\u00e9. V\u011bt\u0161\u00ed pozornost vy\u017eaduje zajistit, aby doba provozu i po\u010det poruch vych\u00e1zely ze stejn\u00e9ho vymezen\u00ed. Ne\u017e sestav\u00edte p\u0159ehled, dohodn\u011bte se s lidmi, kte\u0159\u00ed data zaznamen\u00e1vaj\u00ed, na \u010dty\u0159ech v\u011bcech.<\/p>\n\n\n

Vymezte sledovan\u00e9 za\u0159\u00edzen\u00ed<\/h3>\n\n\n

Za\u010dn\u011bte konkr\u00e9tn\u00edm strojem nebo jasn\u011b vymezen\u00fdm syst\u00e9mem. Obr\u00e1b\u011bc\u00ed centrum, jeho v\u0159eteno a cel\u00e1 obrobna p\u0159edstavuj\u00ed t\u0159i r\u016fzn\u00e9 rozsahy sledov\u00e1n\u00ed.<\/p>\n\n\n

Pokud sledujete cel\u00fd stroj, je porucha v\u0159etena, kter\u00e1 mu br\u00e1n\u00ed vykon\u00e1vat po\u017eadovanou pr\u00e1ci, poruchou stroje. V\u00fdm\u011bna v\u0159etena a op\u011btovn\u00e9 uveden\u00ed stroje do provozu neznamen\u00e1, \u017ee se ze stroje st\u00e1v\u00e1 neopraviteln\u00fd prvek.<\/p>\n\n\n

MTBF lze sledovat i za celou linku, jej\u00ed poruchu ale definujte jako ztr\u00e1tu po\u017eadovan\u00e9 funkce linky. Pokud se\u010dtete v\u0161echna alarmov\u00e1 hl\u00e1\u0161en\u00ed jednotliv\u00fdch sou\u010d\u00e1st\u00ed, m\u016f\u017eete jedno p\u0159eru\u0161en\u00ed chodu linky zapo\u010d\u00edtat v\u00edcekr\u00e1t.<\/p>\n\n\n

Definujte poruchu, ne pouh\u00e9 zastaven\u00ed<\/h3>\n\n\n

Ur\u010dete po\u017eadovanou funkci a ud\u00e1lost, kter\u00e1 se pova\u017euje za jej\u00ed ztr\u00e1tu. Za poruchu lze pova\u017eovat i z\u00e1vadu, kv\u016fli n\u00ed\u017e stroj nespl\u0148uje po\u017eadovan\u00e9 provozn\u00ed podm\u00ednky, p\u0159esto\u017ee se zcela nevypnul.<\/p>\n\n\n

Pl\u00e1novan\u00fd servis, b\u011b\u017en\u00e9 p\u0159etypov\u00e1n\u00ed, nep\u0159\u00edtomnost obsluhy ani \u010dek\u00e1n\u00ed na materi\u00e1l nejsou automaticky poruchami za\u0159\u00edzen\u00ed. Tyto ztr\u00e1ty d\u00e1l evidujte, ale do po\u010dtu poruch je nezahrnujte.<\/p>\n\n\n

Dohodn\u011bte se, jak zach\u00e1zet s kr\u00e1tkodob\u00fdmi z\u00e1vadami a opakovan\u00fdmi resety. N\u011bkolik alarmov\u00fdch z\u00e1znam\u016f b\u011bhem jedn\u00e9 dosud neodstran\u011bn\u00e9 poruchy by se nem\u011blo po\u010d\u00edtat jako n\u011bkolik nez\u00e1visl\u00fdch poruch. Nov\u00e1 porucha po skute\u010dn\u00e9m obnoven\u00ed funkce je novou ud\u00e1lost\u00ed. Uchov\u00e1vejte p\u016fvodn\u00ed podrobn\u00e9 z\u00e1znamy, abyste mohli opakuj\u00edc\u00ed se z\u00e1vady pro\u0161et\u0159it, m\u00edsto aby z p\u0159ehledu zmizely kv\u016fli nastaven\u00e9mu prahu pro vykazov\u00e1n\u00ed.<\/p>\n\n\n

Zvolte zp\u016fsob m\u011b\u0159en\u00ed provozn\u00edho zat\u00ed\u017een\u00ed<\/h3>\n\n\n

V tomto pr\u016fvodci pou\u017e\u00edv\u00e1me MTBF podle skute\u010dn\u00e9 doby provozu<\/strong>: zapo\u010d\u00edt\u00e1v\u00e1me hodiny, kdy je sledovan\u00e9 za\u0159\u00edzen\u00ed v r\u00e1mci vymezen\u00e9ho rozsahu skute\u010dn\u011b v provozu. Doba oprav ani jin\u00e1 doba mimo provoz do \u010ditatele nevstupuj\u00ed. V\u00fdsledkem nen\u00ed pr\u016fm\u011brn\u00fd kalend\u00e1\u0159n\u00ed interval mezi okam\u017eiky vzniku dvou po sob\u011b jdouc\u00edch poruch.<\/p>\n\n\n

Uve\u010fte, co zahrnuje sign\u00e1l, podle kter\u00e9ho dobu provozu m\u011b\u0159\u00edte. Po\u010d\u00edtadlo hodin zapnut\u00e9ho stroje, sign\u00e1l prob\u00edhaj\u00edc\u00edho cyklu a kalend\u00e1\u0159 sm\u011bn s obsluhou mohou d\u00e1t r\u016fzn\u00e9 sou\u010dty. Pokud provozn\u00ed zat\u00ed\u017een\u00ed va\u0161eho za\u0159\u00edzen\u00ed l\u00e9pe vystihuje po\u010det cykl\u016f nebo spu\u0161t\u011bn\u00ed ne\u017e hodiny chodu, sledujte tento \u00fadaj vedle doby provozu. Nep\u0159edpokl\u00e1dejte, \u017ee jsou tyto veli\u010diny zam\u011bniteln\u00e9.<\/p>\n\n\n

Dodr\u017eujte stejn\u00e9 sledovan\u00e9 obdob\u00ed<\/h3>\n\n\n

Pro dobu provozu i poruchy pou\u017e\u00edvejte stejn\u00fd za\u010d\u00e1tek a konec vykazovan\u00e9ho obdob\u00ed. Poruchy zapo\u010d\u00edt\u00e1vejte podle okam\u017eiku jejich vzniku v tomto obdob\u00ed. Opravu dokon\u010denou tento m\u011bs\u00edc nepo\u010d\u00edtejte jako novou poruchu, pokud porucha vznikla u\u017e minul\u00fd m\u011bs\u00edc.<\/p>\n\n\n

Zahr\u0148te ve\u0161kerou skute\u010dnou dobu provozu ve sledovan\u00e9m obdob\u00ed, v\u010detn\u011b chodu, kter\u00fd do konce obdob\u00ed neskon\u010dil poruchou. M\u011b\u0159\u00edte provozn\u00ed zat\u00ed\u017een\u00ed zaznamenan\u00e9 za dan\u00e9 obdob\u00ed, nevyb\u00edr\u00e1te pouze ukon\u010den\u00e9 \u00faseky provozu, na jejich\u017e konci do\u0161lo k poru\u0161e. Do celkov\u00e9 doby odst\u00e1vek za obdob\u00ed zapo\u010d\u00edtejte jen hodiny nedostupnosti, kter\u00e9 do n\u011bj spadaj\u00ed. Pokud porucha p\u0159esahuje hranici obdob\u00ed, uchovejte zvl\u00e1\u0161\u0165 \u00fapln\u00fd z\u00e1znam ud\u00e1losti v\u010detn\u011b obnoven\u00ed funkce.<\/p>\n\n\n

U ka\u017ed\u00e9 poruchy uchov\u00e1vejte ID stroje, \u010das vzniku, \u010das obnoven\u00ed funkce, pozorovan\u00fd p\u0159\u00edznak nebo zp\u016fsob poruchy a p\u0159\u00edslu\u0161n\u00e9 provozn\u00ed podm\u00ednky. D\u00edky t\u011bmto podrobnostem lze v\u00fdsledn\u00fd pr\u016fm\u011br vysv\u011btlit.<\/p>\n\n\n

Jak vypo\u010d\u00edtat MTBF: p\u0159\u00edklad z v\u00fdroby<\/h2>\n\n\n

P\u0159edstavte si jedno opraviteln\u00e9 obr\u00e1b\u011bc\u00ed centrum sledovan\u00e9 za obdob\u00ed zahrnuj\u00edc\u00ed 200 hodin s p\u0159\u00edtomnou obsluhou. Jeho \u010dasov\u00e9 z\u00e1znamy d\u00e1vaj\u00ed n\u00e1sleduj\u00edc\u00ed bilanci. Jednotliv\u00e9 kategorie se nep\u0159ekr\u00fdvaj\u00ed a \u010dty\u0159i zaznamenan\u00e9 poruchy jsou samostatn\u00fdmi poruchami za\u0159\u00edzen\u00ed podle dohodnut\u00e9 definice.<\/p>\n\n\n

Kategorie \u010dasu<\/th>Hodiny za obdob\u00ed<\/th>Zohledn\u011bn\u00ed ve v\u00fdpo\u010dtu<\/th><\/tr><\/thead>
Pl\u00e1novan\u00e1 \u00fadr\u017eba<\/td>12<\/td>Nen\u00ed dobou provozu; nejde o poruchu<\/td><\/tr>
B\u011b\u017en\u00e9 se\u0159\u00edzen\u00ed a p\u0159etypov\u00e1n\u00ed<\/td>8<\/td>Nen\u00ed dobou provozu; nejde o poruchu<\/td><\/tr>
\u010cek\u00e1n\u00ed na materi\u00e1l, b\u011bhem n\u011bho\u017e stroj nen\u00ed v chodu<\/td>10<\/td>Nen\u00ed dobou provozu; nejde o poruchu za\u0159\u00edzen\u00ed<\/td><\/tr>
Nedostupnost kv\u016fli \u010dty\u0159em poruch\u00e1m za\u0159\u00edzen\u00ed<\/td>10<\/td>Nen\u00ed dobou provozu; uchovat pro anal\u00fdzu odst\u00e1vek<\/td><\/tr>
Skute\u010dn\u00e1 doba provozu<\/td>160<\/td>\u010citatel ve v\u00fdpo\u010dtu MTBF<\/td><\/tr>
Celkov\u00e1 doba s p\u0159\u00edtomnou obsluhou<\/td>200<\/td>Kontroln\u00ed sou\u010det, nikoli \u010ditatel<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n

V\u00fdpo\u010det je n\u00e1sleduj\u00edc\u00ed:<\/p>\n\n\n

160 hodin provozu \u00f7 4 poruchy = 40 hodin provozu na jednu poruchu<\/strong><\/p>\n\n\n

Pokud vych\u00e1z\u00edte z celkov\u00e9 doby s p\u0159\u00edtomnou obsluhou, nejprve ode\u010dt\u011bte v\u0161echny doby, kdy stroj nebyl v provozu: 200 \u2212 12 \u2212 8 \u2212 10 \u2212 10 = 160 hodin. Pokud v\u00e1\u0161 zdroj ji\u017e uv\u00e1d\u00ed 160 hodin skute\u010dn\u00e9ho provozu, pou\u017eijte tuto hodnotu p\u0159\u00edmo. Op\u011btovn\u00fdm ode\u010dten\u00edm odst\u00e1vek byste MTBF podhodnotili.<\/p>\n\n\n

P\u0159\u00edklad tak\u00e9 ukazuje, pro\u010d samotn\u00fd kalend\u00e1\u0159 sm\u011bn nesta\u010d\u00ed. Vyd\u011blen\u00edm 200 hodin s p\u0159\u00edtomnou obsluhou \u010dty\u0159mi poruchami byste z\u00edskali 50 hodin na poruchu, tento v\u00fdsledek by ale zahrnoval i dobu, kdy stroj nebyl v provozu.<\/p>\n\n\n

V\u00fdsledek uv\u00e1d\u011bjte v\u010detn\u011b kontextu: \u201eStroj MC-01, vykazovan\u00e9 obdob\u00ed, 160 hodin provozu, \u010dty\u0159i poruchy, zji\u0161t\u011bn\u00e1 hodnota MTBF 40 hodin.\u201c P\u0159i porovn\u00e1v\u00e1n\u00ed s jin\u00fdm obdob\u00edm jsou \u010ditatel a po\u010det poruch stejn\u011b d\u016fle\u017eit\u00e9 jako samotn\u00e1 v\u00fdsledn\u00e1 hodnota.<\/p>\n\n\n

Jak nezkreslit v\u00fdsledek p\u0159i nulov\u00e9m po\u010dtu poruch nebo u v\u00edce stroj\u016f<\/h2>\n\n\n

Co kdy\u017e nedo\u0161lo k \u017e\u00e1dn\u00e9 poru\u0161e?<\/h3>\n\n\n

Ned\u011blte nulou ani neuv\u00e1d\u011bjte nekone\u010dnou hodnotu MTBF jako d\u016fkaz dokonal\u00e9 spolehlivosti. Napi\u0161te \u201eb\u011bhem 160 hodin provozu nebyla zaznamen\u00e1na \u017e\u00e1dn\u00e1 porucha\u201c a ve sv\u00e9m p\u0159ehledu pou\u017eijte skute\u010dnou dobu provozu.<\/p>\n\n\n

Je to u\u017eite\u010dn\u00e9 zji\u0161t\u011bn\u00ed, nem\u00e1 v\u0161ak stejnou vypov\u00eddac\u00ed hodnotu jako n\u011bkolik let bezporuchov\u00e9ho provozu. Ke stanoven\u00ed doln\u00ed meze intervalu spolehlivosti je zapot\u0159eb\u00ed statistick\u00fd model a zvolen\u00e1 hladina spolehlivosti. Pro b\u011b\u017en\u00e9 vyhodnocen\u00ed v\u00fdroby je poctiv\u011bj\u0161\u00ed uv\u00e9st nulov\u00fd po\u010det poruch a dobu provozu ne\u017e si vym\u00fd\u0161let bodov\u00fd odhad.<\/p>\n\n\n

Co kdy\u017e m\u00e1te data z v\u00edce stroj\u016f?<\/h3>\n\n\n

U skupiny srovnateln\u00fdch stroj\u016f, jejich\u017e spole\u010dn\u00e9 hodnocen\u00ed je opodstatn\u011bn\u00e9, pou\u017eijte sou\u010det dob provozu v\u0161ech stroj\u016f \u00f7 celkov\u00fd po\u010det poruch<\/strong>. Ned\u011blte d\u00e9lku jednoho spole\u010dn\u00e9ho kalend\u00e1\u0159n\u00edho obdob\u00ed po\u010dtem poruch v\u0161ech stroj\u016f ani nepo\u010d\u00edtejte nev\u00e1\u017een\u00fd pr\u016fm\u011br jejich jednotliv\u00fdch hodnot MTBF.<\/p>\n\n\n

P\u0159edstavte si nap\u0159\u00edklad dva srovnateln\u00e9 stroje se stejn\u00fdmi pravidly evidence. U jednoho je zaznamen\u00e1no 160 hodin a \u010dty\u0159i poruchy, u druh\u00e9ho 240 hodin a dv\u011b poruchy. Souhrnn\u00fd v\u00fdsledek je 400 \u00f7 6, tedy p\u0159ibli\u017en\u011b 66,7 hodiny provozu na poruchu. Nejde o prost\u00fd pr\u016fm\u011br hodnot 40 a 120, kter\u00fd by \u010dinil 80.<\/p>\n\n\n

Uchov\u00e1vejte tak\u00e9 v\u00fdsledky jednotliv\u00fdch stroj\u016f. Souhrnn\u00e1 hodnota m\u016f\u017ee skr\u00fdt stroj, kter\u00fd zp\u016fsobuje nejv\u00edce probl\u00e9m\u016f ve v\u00fdrob\u011b. Rozd\u00edln\u00e1 konstrukce, st\u00e1\u0159\u00ed nebo zp\u016fsob vyu\u017eit\u00ed za\u0159\u00edzen\u00ed mohou b\u00fdt d\u016fvodem k rozd\u011blen\u00ed do samostatn\u00fdch skupin nam\u00edsto jedin\u00e9ho ukazatele spolehlivosti za cel\u00fd z\u00e1vod.<\/p>\n\n\n

Ne\u017e zvol\u00edte opat\u0159en\u00ed, vyhodno\u0165te v\u00fdznam MTBF<\/h2>\n\n\n

Vy\u0161\u0161\u00ed zji\u0161t\u011bn\u00e1 hodnota MTBF znamen\u00e1 m\u00e9n\u011b zapo\u010d\u00edtan\u00fdch poruch na hodinu provozu v r\u00e1mci stanoven\u00e9ho rozsahu sledov\u00e1n\u00ed. Zda jde o zlep\u0161en\u00ed, z\u00e1vis\u00ed na tom, co dal\u0161\u00edho se zm\u011bnilo.<\/p>\n\n\n

Porovn\u00e1vejte srovnateln\u00e9<\/h3>\n\n\n

Porovn\u00e1vejte obdob\u00ed se stejnou definic\u00ed poruchy, stejn\u00fdm zp\u016fsobem m\u011b\u0159en\u00ed doby provozu a stejn\u00fdm vymezen\u00edm sledovan\u00e9ho za\u0159\u00edzen\u00ed. Pot\u00e9 prov\u011b\u0159te, jakou pr\u00e1ci stroj vykon\u00e1val. Pokud vyr\u00e1b\u011bl m\u00e9n\u011b n\u00e1ro\u010dn\u00fd sortiment p\u0159i jin\u00e9m zat\u00ed\u017een\u00ed, nemus\u00ed to dokazovat, \u017ee zm\u011bna \u00fadr\u017eby zabrala.<\/p>\n\n\n

Spolu s trendem uv\u00e1d\u011bjte i skute\u010dnou dobu provozu a po\u010det poruch. Jedin\u00e9 kr\u00e1tk\u00e9 obdob\u00ed s jednou poruchou m\u016f\u017ee pr\u016fm\u011br v\u00fdrazn\u011b posunout. Del\u0161\u00ed sledov\u00e1n\u00ed pom\u00e1h\u00e1, ale slou\u010den\u00ed n\u011bkolika let s r\u016fzn\u00fdmi provozn\u00edmi podm\u00ednkami m\u016f\u017ee zakr\u00fdt ned\u00e1vn\u00e9 zhor\u0161en\u00ed. Posuzujte proto i v\u00fdvoj v posledn\u00ed dob\u011b a podm\u00ednky, kter\u00e9 za n\u00edm stoj\u00ed, nejen souhrnn\u00fd pr\u016fm\u011br.<\/p>\n\n\n

Univerz\u00e1ln\u00ed \u201edobr\u00e1 hodnota MTBF\u201c pro v\u0161echny v\u00fdrobn\u00ed stroje neexistuje. Smyslupln\u00fd c\u00edl vych\u00e1z\u00ed ze srovnateln\u00fdch historick\u00fdch \u00fadaj\u016f, po\u017eadovan\u00e9ho provozn\u00edho zat\u00ed\u017een\u00ed a n\u00e1sledk\u016f poruchy. Vysok\u00e1 hodnota u stroje, kter\u00fd lze snadno nahradit jin\u00fdm, m\u016f\u017ee m\u00edt pro v\u010dasnost dod\u00e1vek men\u0161\u00ed v\u00fdznam ne\u017e \u010dast\u00e1 p\u0159eru\u0161en\u00ed provozu jedin\u00e9ho stroje schopn\u00e9ho prov\u00e9st kritickou operaci.<\/p>\n\n\n

Pr\u016fm\u011br nen\u00ed odpo\u010det do dal\u0161\u00ed poruchy<\/h3>\n\n\n

MTBF 40 hodin neur\u010duje \u010das p\u0159\u00ed\u0161t\u00ed poruchy ani zb\u00fdvaj\u00edc\u00ed \u017eivotnost stroje. Poruchy mohou nastat kr\u00e1tce po sob\u011b a n\u011bkter\u00e9 \u00faseky provozu mohou b\u00fdt mnohem del\u0161\u00ed ne\u017e pr\u016fm\u011br.<\/p>\n\n\n

Samotn\u00e9 MTBF tak\u00e9 nesta\u010d\u00ed ke stanoven\u00ed intervalu preventivn\u00ed \u00fadr\u017eby. Vhodn\u00fd z\u00e1sah z\u00e1vis\u00ed na mechanismu vzniku poruchy, zji\u0161t\u011bn\u00e9m stavu za\u0159\u00edzen\u00ed, pokynech k za\u0159\u00edzen\u00ed a n\u00e1sledc\u00edch poruchy. Nap\u0159\u00edklad opot\u0159eben\u00ed souvisej\u00edc\u00ed se st\u00e1\u0159\u00edm a ob\u010dasn\u00e9 zne\u010di\u0161t\u011bn\u00ed vy\u017eaduj\u00ed odli\u0161n\u00e9 \u0161et\u0159en\u00ed. Celkov\u00fd pr\u016fm\u011br v\u00e1m ne\u0159ekne, o kter\u00fd z t\u011bchto probl\u00e9m\u016f jde.<\/p>\n\n\n

P\u0159i zhor\u0161en\u00ed v\u00fdsledku dohled\u00e1vejte konkr\u00e9tn\u00ed poruchy a ptejte se p\u0159esn\u011bji: kter\u00fd typ poruchy se opakuje, za jak\u00fdch podm\u00ednek a jak\u00e1 zm\u011bna by jej \u0159e\u0161ila? Po z\u00e1sahu pak za srovnateln\u00fdch provozn\u00edch podm\u00ednek sledujte, zda se probl\u00e9m vrac\u00ed.<\/p>\n\n\n

\u010cetnost poruch posuzujte spolu se ztracen\u00fdm \u010dasem<\/h3>\n\n\n

MTBF ne\u0159\u00edk\u00e1, jak dlouho po poru\u0161e nelze vyr\u00e1b\u011bt. Dva stroje se stejn\u00fdm MTBF mohou m\u00edt na pln\u011bn\u00ed zak\u00e1zek velmi odli\u0161n\u00fd dopad, pokud se jeden rychle vr\u00e1t\u00ed do provozu a druh\u00fd \u010dek\u00e1 na specialistu nebo n\u00e1hradn\u00ed d\u00edl.<\/p>\n\n\n

Vedle pr\u016fm\u011bru sledujte celkovou dobu odst\u00e1vek zp\u016fsoben\u00fdch poruchami i jednotliv\u00e1 del\u0161\u00ed p\u0159eru\u0161en\u00ed. Prov\u011b\u0159te tak\u00e9 dopad na navazuj\u00edc\u00ed operace. Kr\u00e1tk\u00e9 p\u0159eru\u0161en\u00ed t\u011bsn\u011b p\u0159ed jedin\u00fdm dostupn\u00fdm \u010dasov\u00fdm oknem pro kritickou operaci m\u016f\u017ee dod\u00e1vku ovlivnit v\u00edce ne\u017e del\u0161\u00ed odst\u00e1vka, po n\u00ed\u017e zb\u00fdv\u00e1 dost \u010dasu zpo\u017ed\u011bn\u00ed dohnat.<\/p>\n\n\n

Rozd\u00edly mezi MTBF, MTTR a MTTF<\/h2>\n\n\n

Tyto ukazatele odpov\u00eddaj\u00ed na r\u016fzn\u00e9 ot\u00e1zky. V\u017edy jasn\u011b uv\u00e1d\u011bjte, jak\u00fd celek sledujete a jak definujete m\u011b\u0159en\u00fd \u010das. Nejde o vz\u00e1jemn\u011b zam\u011bniteln\u00e1 hodnocen\u00ed.<\/p>\n\n\n

Ukazatel<\/th>Na jakou ot\u00e1zku odpov\u00edd\u00e1<\/th>Praktick\u00e9 rozli\u0161en\u00ed<\/th><\/tr><\/thead>
MTBF: st\u0159edn\u00ed doba mezi poruchami<\/td>Kolik skute\u010dn\u00e9 doby provozu p\u0159ipadalo u opraviteln\u00e9ho za\u0159\u00edzen\u00ed na jednu poruchu?<\/td>Stroj se po oprav\u011b vrac\u00ed do provozu.<\/td><\/tr>
MTTR: st\u0159edn\u00ed doba opravy nebo obnoven\u00ed provozu<\/td>Jak dlouho v pr\u016fm\u011bru trv\u00e1 oprava nebo obnoven\u00ed provozu podle zvolen\u00e9 definice?<\/td>Uve\u010fte, zda m\u011b\u0159en\u00e1 doba zahrnuje \u010dek\u00e1n\u00ed, diagnostiku, zkou\u0161ky a op\u011btovn\u00e9 spu\u0161t\u011bn\u00ed. Jednotliv\u00e9 p\u0159ehledy ji vymezuj\u00ed r\u016fzn\u011b.<\/td><\/tr>
MTTF: st\u0159edn\u00ed doba do poruchy<\/td>Jak dlouho vydr\u017e\u00ed neopraviteln\u00e1 polo\u017eka do poruchy?<\/td>Vztahuje se na polo\u017eku, kter\u00e1 se m\u00edsto opravy vym\u011b\u0148uje, nikoli automaticky na cel\u00fd stroj, jeho\u017e je sou\u010d\u00e1st\u00ed.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n

Pro pl\u00e1nov\u00e1n\u00ed v\u00fdroby je d\u016fle\u017eit\u00e1 cel\u00e1 doba nedostupnosti, i kdy\u017e v\u00fdkaz opravy zapo\u010d\u00edt\u00e1v\u00e1 jen samotnou pr\u00e1ci na za\u0159\u00edzen\u00ed. V\u00fdm\u011bna sou\u010d\u00e1sti m\u016f\u017ee b\u00fdt rychl\u00e1, stroj ale m\u016f\u017ee z\u016fstat nedostupn\u00fd mnohem d\u00e9le, ne\u017e t\u00fdm sou\u010d\u00e1st zajist\u00ed a dokon\u010d\u00ed kontroly nutn\u00e9 k obnoven\u00ed v\u00fdroby.<\/p>\n\n\n

Toto rozli\u0161en\u00ed pom\u00e1h\u00e1 p\u0159edej\u00edt \u010dast\u00e9 chyb\u011b p\u0159i pl\u00e1nov\u00e1n\u00ed: pova\u017eovat pr\u016fm\u011brnou dobu opravy za z\u00e1ruku, \u017ee ka\u017ed\u00e1 budouc\u00ed porucha bude v t\u00e9to dob\u011b odstran\u011bna.<\/p>\n\n\n

Prom\u00edtn\u011bte zji\u0161t\u011bn\u00ed o spolehlivosti do rozhodov\u00e1n\u00ed o v\u00fdrob\u011b se SkyPlanner<\/h2>\n\n\n

P\u0159edpokl\u00e1dejme, \u017ee na z\u00e1klad\u011b \u0161et\u0159en\u00ed \u00fadr\u017eba dohodne na p\u0159\u00ed\u0161t\u00ed st\u0159edu t\u0159\u00edhodinov\u00fd z\u00e1sah na obr\u00e1b\u011bc\u00edm centru. Jde o zvolen\u00e9 okno \u00fadr\u017eby vych\u00e1zej\u00edc\u00ed z technick\u00e9ho rozhodnut\u00ed, nikoli o datum poruchy p\u0159edpov\u011bzen\u00e9 z MTBF 40 hodin.<\/p>\n\n\n

Tato dohoda m\u011bn\u00ed kapacitu dostupnou pro z\u00e1kaznick\u00e9 zak\u00e1zky. Pokud z\u016fstane pouze v kalend\u00e1\u0159i \u00fadr\u017eby, m\u016f\u017ee pl\u00e1n v\u00fdroby d\u00e1l p\u0159id\u011blovat pr\u00e1ci stroji, kter\u00fd nebude k dispozici. Pl\u00e1nova\u010d pak na konflikt naraz\u00ed a\u017e p\u0159i snaze dodr\u017eet dod\u00e1vky dan\u00e9ho t\u00fddne.<\/p>\n\n\n

Ve SkyPlanner zadejte dohodnut\u00fd \u010dasov\u00fd \u00fasek<\/a> jako v\u00fdjimku pracovi\u0161t\u011b<\/strong>. V\u00fdjimka nastav\u00ed v\u00fdrobn\u00ed zdroj jako nedostupn\u00fd po danou dobu. Arcturus, um\u011bl\u00e1 inteligence pro pl\u00e1nov\u00e1n\u00ed, pak m\u016f\u017ee p\u0159epo\u010d\u00edtat rozvr\u017een\u00ed operac\u00ed, kter\u00e9 lze pl\u00e1novat, podle zm\u011bn\u011bn\u00e9 kapacity. Vych\u00e1z\u00ed p\u0159itom z nastaven\u00fdch pracovi\u0161\u0165, sm\u011bn, dob trv\u00e1n\u00ed operac\u00ed, z\u00e1vislost\u00ed, priorit a uzam\u010den\u00ed. V\u00fdsledn\u00e9 po\u0159ad\u00ed zobrazuje Gantt\u016fv diagram.<\/p>\n\n\n

U st\u0159ede\u010dn\u00edho z\u00e1sahu prov\u011b\u0159te, zda po \u010dekaj\u00edc\u00edch obr\u00e1b\u011bc\u00edch operac\u00edch st\u00e1le zb\u00fdv\u00e1 \u010das na navazuj\u00edc\u00ed kontrolu a mont\u00e1\u017e. Pokud operaci p\u0159evezme jin\u00fd zp\u016fsobil\u00fd v\u00fdrobn\u00ed zdroj, zkontrolujte i zak\u00e1zky, kter\u00e9 jsou na n\u011bm ji\u017e napl\u00e1novan\u00e9. Voln\u00e9 \u010dasov\u00e9 okno m\u00e1 hodnotu pouze tehdy, pokud na dan\u00e9m zdroji lze operaci skute\u010dn\u011b prov\u00e9st a zb\u00fdvaj\u00edc\u00ed v\u00fdrobn\u00ed postup se st\u00e1le vejde do pl\u00e1nu.<\/p>\n\n\n

Proto je SkyPlanner u\u017eite\u010dn\u00fdm dal\u0161\u00edm krokem, kdy\u017e opat\u0159en\u00ed ke zv\u00fd\u0161en\u00ed spolehlivosti zm\u011bn\u00ed dostupnost stroje. Technick\u00e1 a obchodn\u00ed rozhodnut\u00ed z\u016fst\u00e1vaj\u00ed na v\u00e1s; Arcturus zajist\u00ed v\u00fdpo\u010det pl\u00e1nu se v\u0161emi n\u00e1vaznostmi<\/a>. \u00dapravy po\u0159ad\u00ed operac\u00ed zaberou m\u00e9n\u011b \u010dasu a v\u00fdroba i obchod z\u00edskaj\u00ed spole\u010dn\u00fd podklad pro zb\u00fdvaj\u00edc\u00ed rozhodnut\u00ed o dod\u00e1vk\u00e1ch.<\/p>\n\n\n

Pokud se dohodnut\u00fd term\u00edn \u00fadr\u017eby zm\u011bn\u00ed, aktualizujte i jej\u00ed \u010dasov\u00e9 okno. P\u0159epo\u010d\u00edtejte pl\u00e1n a prov\u011b\u0159te dot\u010den\u00e9 z\u00e1vazky, m\u00edsto abyste do dal\u0161\u00ed sm\u011bny p\u0159en\u00e1\u0161eli neaktu\u00e1ln\u00ed p\u0159edpoklad o dostupnosti stroje.<\/p>\n\n\n

Zjist\u011bte, jak dostupnost jednoho stroje ovliv\u0148uje va\u0161e dod\u00e1vky<\/h2>\n\n\n

Smyslupln\u00e9 vyhodnocen\u00ed MTBF nekon\u010d\u00ed jen \u010d\u00edslem, ale jasn\u011bj\u0161\u00ed p\u0159edstavou o dal\u0161\u00edm postupu. Vymezte podklady, pro\u0161et\u0159ete d\u016fle\u017eit\u00e9 poruchy a dohodnutou zm\u011bnu kapacity prom\u00edtn\u011bte do pl\u00e1nu, podle kter\u00e9ho v\u00fdroba skute\u010dn\u011b pracuje.<\/p>\n\n\n

Zvolte SkyPlanner, kdy\u017e pot\u0159ebujete tuto zm\u011bnu sladit nap\u0159\u00ed\u010d z\u00e1kaznick\u00fdmi zak\u00e1zkami, ani\u017e byste ru\u010dn\u011b upravovali po\u0159ad\u00ed operac\u00ed na v\u0161ech navazuj\u00edc\u00edch stroj\u00edch. SkyPlanner se prost\u0159ednictv\u00edm sv\u00e9ho otev\u0159en\u00e9ho REST API propoj\u00ed s jak\u00fdmkoli syst\u00e9mem ERP nebo MES. Lep\u0161\u00ed pl\u00e1nov\u00e1n\u00ed tak m\u016f\u017ee vych\u00e1zet z va\u0161ich st\u00e1vaj\u00edc\u00edch \u00fadaj\u016f o zak\u00e1zk\u00e1ch a v\u00fdrob\u011b.<\/p>\n\n\n

Domluvte si uk\u00e1zku SkyPlanner<\/a> na p\u0159\u00edkladu jednoho stroje, dohodnut\u00e9 doby jeho nedostupnosti a zak\u00e1zek, kter\u00e9 j\u00edm proch\u00e1zej\u00ed. Nechte si uk\u00e1zat, kter\u00e9 operace se p\u0159esunou, co se stane s navazuj\u00edc\u00ed v\u00fdrobou a u kter\u00fdch sl\u00edben\u00fdch term\u00edn\u016f dod\u00e1n\u00ed je t\u0159eba rozhodnout o dal\u0161\u00edm postupu. Pokud se chcete nejprve porozhl\u00e9dnout sami, vyzkou\u0161ejte SkyPlanner s uk\u00e1zkov\u00fdmi daty<\/a> a zjist\u011bte, jak zm\u011bna kapacity prom\u011bn\u00ed pl\u00e1n.<\/p>\n\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

St\u0159edn\u00ed doba mezi poruchami: v\u00fdpo\u010det a vyu\u017eit\u00ed MTBF Domov » Zdroje » St\u0159edn\u00ed doba mezi poruchami: v\u00fdpo\u010det a vyu\u017eit\u00ed MTBF St\u0159edn\u00ed doba mezi poruchami (MTBF) je pr\u016fm\u011brn\u00e1 doba provozu p\u0159ipadaj\u00edc\u00ed na jednu poruchu opraviteln\u00e9ho za\u0159\u00edzen\u00ed. U v\u00fdrobn\u00edho stroje ji vypo\u010d\u00edt\u00e1te vyd\u011blen\u00edm celkov\u00e9 doby jeho provozu po\u010dtem poruch zaznamenan\u00fdch za stejn\u00e9 sledovan\u00e9 obdob\u00ed: MTBF = celkov\u00e1 … Read more<\/a><\/p>\n","protected":false},"author":3,"featured_media":108771,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[2518,303],"tags":[],"class_list":["post-108744","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aps-a-rozvrhovani","category-zdroje","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-33"],"acf":[],"yoast_head":"\nSt\u0159edn\u00ed doba mezi poruchami: v\u00fdpo\u010det a vyu\u017eit\u00ed MTBF<\/title>\n<meta name=\"description\" content=\"Spo\u010d\u00edtejte MTBF stroje ze spr\u00e1vn\u00e9 doby provozu a po\u010dtu poruch. 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