ارتباط بین اتوماتای درختی فازی قطعی و نگاشت های مرحله ای تشخیص پذیر نرمال

نوع مقاله : مقاله پژوهشی

نویسنده

داﻧﺸﮑﺪه ﻋﻠﻮم رﯾﺎﺿﯽ، داﻧﺸﮕﺎه ﺻﻨﻌﺘﯽ ﺷﺎﻫﺮود، ﺷﺎﻫﺮود، اﯾﺮان

چکیده

در اﯾﻦ ﻣﻘﺎﻟﻪ، ﺑﻪ ﺑﺮرﺳﯽ اﺗﻮﻣﺎﺗﺎی درﺧﺘﯽ ﻓﺎزی ﻣﯽﭘﺮدازﯾﻢ. ﯾﮏ زﺑﺎن درﺧﺖ ﻓﺎزی ﻣﺮﺣﻠﻪای ﺗﺸﺨﯿﺺﭘﺬﯾﺮ را ﺗﻌﺮﯾﻒ ﮐﺮده و ﻧﺸﺎن ﻣﯽدﻫﯿﻢ ﻫﺮ زﺑﺎن درﺧﺖ ﻓﺎزی ﺗﺸﺨﯿﺺﭘﺬﯾﺮ ﯾﮏ زﺑﺎن درﺧﺖ ﻓﺎزی ﻣﺮﺣﻠﻪای ﺗﺸﺨﯿﺺﭘﺬﯾﺮ اﺳﺖ. در اداﻣ ﻪ، ﯾ ﮏ اﺗ ﻮﻣ ﺎﺗ ﻮن درﺧﺘ ﯽ ﻓ ﺎزی ﻗ ﻄ ﻌ ﯽ را ﻣ ﻌ ﺮﻓ ﯽ ﮐ ﺮده و ﻧﺸ ﺎن ﻣ ﯽدﻫﯿ ﻢ ﺗﮑﯿ ﻪﮔ ﺎه ﯾﮏ زﺑﺎن درﺧﺖ ﻓ ﺎزی ﻗﺎﺑﻞ ﺗﺸﺨﯿﺺ ﺗ ﻮﺳﻂ ﯾﮏ اﺗ ﻮﻣ ﺎﺗﻮن درﺧﺘﯽ ﻓﺎزی، ﺗﺸﺨﯿﺺﭘﺬﯾﺮ اﺳﺖ. اﯾﻦ ﻣﻔﺎﻫﯿﻢ را روی ﺑﺮﺧﯽ اﺗﻮﻣﺎﺗﺎی درﺧﺘﯽ ﻓﺎزی ﻧﻤﺎﯾﺶ ﻣﯽدﻫﯿﻢ. ﻫﻤﭽﻨﯿﻦ، ﺛﺎﺑﺖ ﻣﯽﮐﻨﯿﻢ ﮐﻪ ﮐﻼس زﺑﺎنﻫﺎی درﺧﺖ ﻓﺎزی ﻗﺎﺑﻞ ﺗﺸﺨﯿﺺ ﺗﻮﺳﻂ اﺗﻮﻣﺎﺗﺎی درﺧﺘﯽ ﻓﺎزی ﻗﻄﻌﯽ، ﺑﺎ ﮐﻼس ﻧﮕﺎﺷﺖﻫﺎی ﻣﺮﺣﻠﻪای ﺗﺸﺨﯿﺺﭘﺬﯾﺮ ﺑﺮاﺑﺮ اﺳﺖ. در ﻧﻬﺎﯾﺖ، ﻧﺸﺎن ﻣﯽدﻫﯿﻢ ﮐﻪ ﯾﮏ زﺑﺎن درﺧﺖ ﻓﺎزی ﺗﻮﺳﻂ ﯾﮏ اﺗﻮﻣﺎﺗﻮن درﺧﺘﯽ ﻓﺎزی ﻗﻄﻌﯽ ﻗﺎﺑﻞ ﺗﺸﺨﯿﺺ اﺳﺖ اﮔﺮ و ﻓﻘﻂ اﮔﺮ آن زﺑﺎن، ﯾﮏ ﻧﮕﺎﺷﺖ ﻣﺮﺣﻠﻪای ﺗﺸﺨﯿﺺﭘﺬﯾﺮ ﻧﺮﻣﺎل ﺑﺎﺷﺪ.

کلیدواژه‌ها


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