Authors

  • A. Mirzaqulov
  • N. Ernazarova

Author Biographies

  • A. Mirzaqulov

    FarDU f.m.f.n, dotsent

  • N. Ernazarova

    FarDU magistr

DOI:

https://doi.org/10.71337/inlibrary.uz.mead.94397

Keywords:

noaniq mantiq svetofor transport tirbandlik funksiyalari vaqt davomiylik Fuzzy Logic membership functions time duration

Abstract

Bu ishda Fuzzy Logic usuli qanday usul ekanligi hamda u transport oqimini sun’iy intellekt yordamida boshqarishda qay darajada ahamiyat kasb etishi, shu bilan bir qatorda transport tizimini optimallashtirish uchun svetoforlarni sun’iy intellekt yordamida boshqarishda Fuzzy Logic usulidan qanday foydalanish mumkinligi haqida so`z boradi.This article discusses what Fuzzy Logic method is and how important it is in traffic flow management using artificial intelligence, as well as how Fuzzy Logic method can be used to control traffic lights using artificial intelligence for traffic system optimization.


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MODERN EDUCATION AND DEVELOPMENT

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SVETOFORLARNI SUN’IY INTELLEKT YORDAMIDA

BOSHQARISHDA FUZZY LOGIC USULIDAN FOYDALANISH

A. Mirzaqulov

FarDU f.m.f.n, dotsent

N. Ernazarova

FarDU magistr

Annotatsiya: Bu ishda Fuzzy Logic usuli qanday usul ekanligi hamda u

transport oqimini sun’iy intellekt yordamida boshqarishda qay darajada ahamiyat

kasb etishi, shu bilan bir qatorda transport tizimini optimallashtirish uchun

svetoforlarni sun’iy intellekt yordamida boshqarishda Fuzzy Logic usulidan qanday

foydalanish mumkinligi haqida so`z boradi.

Annotation: This article discusses what Fuzzy Logic method is and how

important it is in traffic flow management using artificial intelligence, as well as how

Fuzzy Logic method can be used to control traffic lights using artificial intelligence

for traffic system optimization.

Kalit so`zlar: noaniq mantiq, svetofor, transport, tirbandlik funksiyalari, vaqt,

davomiylik

Key words: Fuzzy Logic, transport, membership functions, time, duration

Fuzzy Logic (Noaniq mantiq)

usuli svetoforlarni boshqarishda transport

oqimining murakkabligini va noaniqligini hisobga olishga imkon beradi.

Svetoforlarni an’anaviy aniq qoidalarga asoslanib boshqarish o`rniga, Fuzzy Logic

usuli yordamida svetoforlar boshqarilganda harakat zichligini, kutish vaqtini va

boshqa omillarni aniqlik bilan o`lchamasdan turib, optimal qarorlarni qabul qilish

mumkin. Bu usul yo`ldagi transport oqimining o`zgaruvchanligini yanada

moslashuvchan tarzda boshqarishga yordam beradi. Fuzzy Logic usuli quyidagi

asosiy tushunchalarga asoslanadi:


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1. Fuzzy to`plam (Fuzzy Sets)

: Fuzzy to`plamlar o`zgaruvchilarning

qiymatini aniq chegaralarda emas, balki darajalar orasida ifodalash imkonini beradi

ya`ni transport vositalari zichligi va kutish vaqti kabi o`lchamlar fuzzy

o`zgaruvchilarga aylantiriladi. Misol uchun, agar transport zichligi ma`lum bir

darajadan oshsa, bu “ko`p” deb tasniflanadi ya`ni “zichlik” tushunchasini “kam”,

“o`rtacha”, “ko`p” kabi noaniq tushunchalar orqali ifodalanadi.

2. Tirbandlik funksiyalari (Membership Functions)

: Har bir fuzzy to`plam

uchun o`ziga xos

tirbandlik

funksiyasi yaratiladi.

Tirbandlik

funksiyasi biror

qiymatning fuzzy to`plamga qanchalik tegishli ekanligini ko`rsatadi.

Tirbandlik

darajasi odatda 0 dan 1 gacha bo`lgan oraliqda ifodalanadi.

3. Fuzzy qoida bazasi (Fuzzy Rule Base)

: Svetofor boshqaruvini amalga

oshirish uchun “Agar… Bo`lsa…” qoidalari tuziladi. Masalan:

o

“Agar zichlik katta bo`lsa, yashil chiroq vaqti uzunroq bo`lsin”

o

“Agar kutish vaqti uzoq bo`lsa, yashil chiroq vaqti ko`paytirilsin”

4. Noaniqdan aniqga (Defuzzification)

: Fuzzy Logic orqali boshqaruv

qarorlari qabul qilinib, natija “noaniq” (fuzzy) qiymatda olinadi. Bu natija real

hayotda qo`llash uchun “aniq” (real) qiymatga aylantiriladi. Defuzzification

jarayonida umumiy qaror chiqariladi va bu svetofor vaqtini optimallashtirish uchun

ishlatiladi. Svetoforlarni boshqarishda Fuzzy Logic yordamida transport vositalari

oqimini boshqarish uchun noaniq ma`lumotlardan foydalaniladi. Fuzzy qarorlar

(masalan, yashil chiroq vaqtini o`zgartirish darajasi) aniq qiymatga aylantiriladi.

Masalan, agar qaror “yashil chiroqni ko`paytirish” bo`lsa, bu qaror real vaqt uchun

sekundlarda ifodalangan aniq qiymatga aylantiriladi (masalan, 15 soniyaga oshirish).

Quyidagi o`zgaruvchilar fuzzy to`plamlar orqali ifodalanadi:

- Transport zichligi (Density)

: Svetofor oldida yig`ilgan transport

vositalarining sonini ifodalaydi. Buni fuzzy to`plam orqali “kam”, “o`rtacha”, “ko`p”

kabi darajalarda belgilanadi.

- Kutish vaqti (Waiting Time)

: Svetoforda kutayotgan transport

vositalarining o`rtacha kutish vaqtini belgilaydi. Fuzzy to`plamlar yordamida ushbu

vaqt “qisqa”, “o`rtacha” va “uzoq” kabi darajalarda ifodalanadi.


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- Yashil chiroq davomiyligi (Green Light Duration)

: Fuzzy Logic orqali bu

vaqtni “uzaytirish”, “saqlash” yoki “qisqartirish” kabi qarorlar bilan boshqariladi.

Svetoforlarni boshqarishda Fuzzy Logic jarayoni quyidagi asosiy

bosqichlardan iborat:

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https://link.springer.com/book/10.1007/978-3-030-66474-9