مدلسازی الکتریکی یک مدار راه فرکانس صوتی، ارزیابی اعتبارسنجی و قابلیت اطمینان آن

نوع مقاله : علمی - پژوهشی

نویسندگان
سید احمد میر ابوطالبی 1
بهمن قربانی واقعی 2
1 کارشناسی ارشد، گروه کنترل و علائم، دانشکده مهندسی راه آهن، دانشگاه علم و صنعت، تهران، ایران
2 استادیار، گروه کنترل و علائم، دانشکده مهندسی راه آهن، دانشگاه علم و صنعت، تهران، ایران
10.22119/jte.2025.446903.2700
چکیده
مدارات راه به­ عنوان اصلی ­ترین سنسور برای تشخیص حضور قطار در تراک­ های مختلف است. عملکرد صحیح و خراب-ایمن در این مدارات راه بسیار اهمیت دارد. از این رو، محققان به دنبال روش­های مختلف کنترل عملکرد و تشخیص و شناسایی عیوب در این مدارات راه هستند. در این راستا اولین مرحله، درک کامل و جامع از نحوه عملکرد این مدارات است. از این رو، مدل­­سازی این مدارات راه در رسیدن به این هدف الزامی است. در این مقاله، اجزای مختلف مدارات راه فرکانس صوتی اعم از فرستنده، واحدهای تنظیم سمت فرستنده و گیرنده، ریل و گیرنده به صورت الکتریکی و فانکشنال مدل­سازی شده و در نهایت یک مدل سیستمی جامع به همراه پارامترهای آن برای این مدارات ارائه می­ شود. سیگنال خروجی تمامی این اجزا با داده­ های انداره ­گیری­ شده در یک خط مترو عملیاتی مطابقت داده­ شده و مدل­سازی از لحاظ صحت اعتبارسنجی می­ گردد. هم­چنین، با استفاده از مدل استخراج شده برای مدار راه فرکانس صوتی و با توجه به درخت عیب این مدار راه، ارزیابی قابلیت اطمینان برای هر کدام از اجزا و کل مدار راه انجام می ­گیرد.

کلیدواژه‌ها

موضوعات

عنوان مقاله English

Electrical Modelling of an Audio Frequency Track Circuit, Validation & Reliability Evaluation

نویسندگان English

Seyed Ahmad Miraboutalebi 1
Bahman Ghorbani Vaghei 2
1 M.Sc., Department of Control and Signaling, School of Railway Engineering, Iran University of Science and Technology, Tehran, Iran
2 Assistant Professor, Department of Control and Signaling, School of Railway Engineering, Iran University of Science and Technology, Tehran, Iran
چکیده English

Track circuits are key electrical devices which are used to detect the presence of trains in different railway tracks. Correct and fail-safe functions are of great significance in track circuits. Therefor researchers are looking for different methods for function control, tracking and identification of faults in such circuits. Subsequently in the initial stage, it is vital to have a clear and comprehensive understanding of how a circuit operates. In this step track circuit modelling becomes very helpful. This article describes the different components of audio frequency track circuit models in addition to presenting a comprehensive systematic model for such circuits. The output of all components conform to data measurements of an operational line of a Metro system and modeling is approved in terms of validation accuracy. Also with the help of an extracted model for audio frequency track circuit and with consideration to the track circuits fault tree, evaluations are conducted based on each of the components of the entire track circuit.

کلیدواژه‌ها English

Track circuit
Audio Frequency Track Circuit
Modeling
Reliability
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فصلنامه مهندسی حمل و نقل
دوره 16، شماره 4 - شماره پیاپی 65
تابستان 1404
صفحه 4861-4879

  • تاریخ دریافت 25 فروردین 1403
  • تاریخ بازنگری 07 آذر 1403
  • تاریخ پذیرش 27 آذر 1403