sinov natijalari bo‘yichatjabtva ularning elementlarini ishonchliligini baholash

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idelayout1.xml ppt/slidelayouts/slidelayout3.xml ppt/slidelayouts/slidelayout2.xml ppt/theme/theme1.xml ppt/media/image4.gif docprops/thumbnail.jpeg ppt/media/image8.gif ppt/media/image10.gif ppt/media/image6.gif ppt/media/image5.gif ppt/viewprops.xml ppt/presprops.xml ppt/tablestyles.xml ppt/media/media1.mp4 docprops/app.xml docprops/core.xml ppt/media/image1.jpg ppt/media/image2.jpeg ppt/media/image3.jpeg ppt/media/image7.jpeg ppt/media/image9.jpeg ppt/slides/_rels/slide11.xml.rels ppt/slides/_rels/slide18.xml.rels ppt/slides/_rels/slide3.xml.rels [content_types].xml _rels/.rels docprops/custom.xml 4. sistemani ishdan chiqishgacha bo‘lgan o‘rtacha ishlash vaqtini baholash . loyiha ishlarida sinash va tajribalar o‘tkazish ishonchlilik ko'rsatkichlarini baholashdan tashqari , sinovlarning maqsadlari quyidagilar : b uzilishning sabablari va shakllarini o'rganish ; ishonchlilikka ta'sir qiluvchi tarkibiy , texnologik va operatsion omillarni aniqlash ; eng kam ishonchli elementlarni , tugunlarni , bloklarni , texnik vositalarni aniqlash ; ishonchlilikni oshirish bo'yicha chora-tadbirlar va tavsiyalar ishlab chiqish ; xizmat ko'rsatish muddati va hajmini , ehtiyot qismlarning sonini va boshqalarni aniqlashtirish . stend va ekpluatatsion sinashlar sinovlarning maqsadi ishonchlilik ko'rsatkichlarining haqiqiy qiymatlarini va agar kerak bo'lsa , ish vaqti , buzilishlar orasidagi vaqt , tiklanish vaqti va boshqalar kabi tasodifiy o'zgaruvchilarning tarqalish qonuniyatlari parametrlarini topishdir . stend va ekpluatatsion sinashlar quyidagi kamchiliklarga ega : a) tajribalarning davomiyligi …

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olinadi . ekpluatatsion va poligon sinashlar loyiha ishlarida sinash va tajribalar o‘tkazish agar sinovlarni tezlashtirish paytida normal rejimda yuzaga keladigan tabiiy eskirish va ishdan chiqish jarayoni buzilmagan bo'lsa , agar sinovdan o'tgan mahsulotning chiqish parametridagi o'zgarishlarning normal va majburiy rejimlarda taqsimoti o'xshash bo'lsa va buzilishlarni ajratish ularning sabablariga yaqin bo'lsa , sinovlarni tezlashtirish mumkin . tezlashtiruvchi omillar mexanik buzilish , harorat , elektr yuklanishi va boshqalar bo'lishi mumkin . tezlashtirilgan sinovlar odatda seriyali texnik uskunalar va ularning elementlari uchun uzoq vaqt davomida barqaror texnologiyalar yordamida ishlab chiqariladi . 2.ishlash sharoitida ishonchlilik sinovlari ishlash sharoitida ishonchlilik sinovlari tj abt ning eksperimental yoki sanoat ekspluatatsiyasi jarayonida mavjud texnologik boshqaruv moslamasi bilan birgalikda avtomatik jarayonlarni boshqarish tizimi va ularning elementlari hamda atrof-muhitga ta'siri to'g'risida ma'lumot to'plash va qayta ishlashdan iborat . ushbu sinovlar odatda aniqdir . umuman olganda , sanoat nazorati tizimlari uchun bir qator funksiyalar va ba'zi texnik vositalar uchun , masalan …

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vjudligi va tabiati va boshqalar ); c ) atk tarkibiga kirmaydigan ta'mirlash bo'yicha xodimlar ; d ) ta'mirlash va texnik xizmat ko'rsatish uchun zarur bo'lgan ehtiyot qismlar . jarayonni boshqarish tizimlari va ushbu tarkibiy qismlar o'rtasidagi munosabatlar boshqacha xususiyatga ega . tj abt va qaror qabul qilishda tashqi muhit o'rtasidagi munosabatlar ishonchlilik muammolari 3. atrof-muhit bilan aloqani hisobga olgan holda tj abt ishonchliligi sanoat nazorati tizimlarining ishonchliligi muammolarini hal qilish ( har qanday murakkab tizim kabi ) ushbu tizim va tashqi muhitning o'zaro bog'liqligini hisobga olishni talab qiladi . tashqi muhit deganda sanoat boshqaruv tizimini o'rab turgan va unga ta'sir qiladigan yoki avtomatik boshqaruv tizimidan unga ta'sir qiladigan hamma narsa tushuniladi . laboratoriya va operatsion sinovlar laboratoriya sinovlari bilan taqqoslaganda operatsion sinovlarning kamchiliklari quyidagilardan iborat : faol eksperiment o'tkazishning mumkin bo‘lmasligi , tj abt ning atrof-muhit parametrlarini o'zgartirishi ( natijada bunday sinovlar ko'pincha kuzatuvlar yoki boshqariladigan operatsiya deb ataladi ); …

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halliy tizimlar va asboblarning o'xshash sonlarining mavjudligi , bu nisbatan qisqa vaqt ichida statistik jihatdan ishonchli ma'lumotlarni olish imkonini beradi . stend sharoitidagi sinashlar sinovlarni o‘ tkazish joyi b o‘ yicha ular quyidagilarga b o‘ linadi : 1 . stend sharoitidagi sinashlar – mashina yoki agregat ish qobiliyatining yuqolishi t o‘ g‘risidagi axborotni beradi , demak , agregatning ishonchliligi va chidamliligi t o‘ g‘risidagi axborotni ham. stend sinashlari odatda buzilish sodir b o‘ lguncha yoki abt belgilangan muddat davomida ishlamaguncha davom ettiriladi . 2 . ekpluatatsion va poligon sinashlar – tajribaviy va seriyaviy namunalar uchun q o‘ llaniladi . bunda asosan ularni ishonchlilikka va chidamlilikka sinaladi . avtomatik tizimlarning tajribaviy namunalari og‘ir ekspluatatsiya sharoitlarida maxsus tanlangan va suniy yaratilgan yomon holatli sharoitlar va har xil iqlim sharoitlarida sinaladi nazorat sinovlari nazorat sinovlarining maqsadi - ishonchlilik ko'rsatkichlarining haqiqiy qiymatlari standartlar , texnik shartlar va talablariga muvofiqligini tekshirish , ya'ni tizimning ishonchliligi …

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sinov natijalari bo‘yichatjabtva ularning elementlarini ishonchliligini baholash

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