نشریه مهندسی معدن

نشریه مهندسی معدن

طراحی بهینه چیدمان ستاره‌ای ابزار برش در TBM با بهره‌گیری از الگوریتم بهینه‌سازی فراابتکاری گرگ‌های خاکستری GWO

نوع مقاله : علمی - پژوهشی

نویسندگان
1 هیئت علمی/دانشگاه کاشان
2 دانشگاه کاشان
3 انشگاه کاشان
چکیده
چیدمان ابزار برش در کله حفار ماشین TBM به عنوان یکی از عوامل موثر بر افزایش راندمان عملیات حفاری، عمرمفید TBM، عملکرد مناسب ابزار برش و کاهش هزینه‌های حفاری محسوب می‌شود. در طراحی چیدمان ابزار برشTBM  یک مساله بهینه‌سازی دارای چند هدف با قیود غیرخطی مطرح است که این مساله باعث بروز پیچیدگی محاسباتی در فرآیند طراحی می‌شود. در این پژوهش به هدف ارزیابی تاثیر چیدمان ستاره‌ای ابزار برش بر عملکرد ماشین TBM، مدل عددی با بهره‌گیری از الگوریتم بهینه‌سازی فراابتکاری گرگ‌های خاکستری GWO برای طراحی چیدمان ستاره‌ای توسعه داده شده است. همچنین دو نوع چیدمان ستاره‌ای (1- ستاره‌ای 8 پر، 2- ستاره‌ای 12 پر) با بهره‌گیری از مدل ارایه شده و طراحی و عملکرد ماشین TBM مورد ارزیابی قرار گرفته است. به جهت ارزیابی عملکرد مدل طراحی توسعه داده شده، فرآیند طراحی چیدمان ابزار برش در کله حفار یک نمونه اجرایی TBM سنگ مورد ارزیابی قرار گرفته است. بر اساس نتایج حاصل مشخص می‌شود که نیروی جانبی کل دستگاه Fs بر اساس چیدمان بهینه ستاره‌ای 8 پر ابزار برش 88/78 درصد نسبت به چیدمان اصلی ابزار برش و میزان گشتاور خروج از مرکز به میزان 03/15 درصد کاهش یافته است.  همچنین با ارزیابی نتایج حاصل از عملکرد ماشین TBM با چیدمان بهینه ستاره‌ای 12 پر مشخص شد که نیروی جانبی کل دستگاه Fs بر اساس چیدمان بهینه ستاره‌ای 12 پر ابزار برش 89/87 درصد نسبت به چیدمان اصلی ابزار برش و میزان گشتاور خروج از مرکز به 68/23 درصد کاهش یافته است. از مقایسه نتایج حاصل از عملکرد دستگاه TBM با چیدمان ستاره‌ای 8 پر و چیدمان ستاره‌ای 12 پر مشخص شد که ماشین TBM با چیدمان ستاره‌ای 12 پر ابزار برش دارای عملکرد بهتری بوده است. بر اساس نتایج حاصل مشخص می‌شود که چیدمان ستاره‌ای بهینه ابزار برش در کله حفار ماشین TBM از نقطه نظر مهندسی حفاری (افزایش بازده و پیشروی حفاری) موجب ارتقای عملکرد TBM  شده است. مهم‌ترین نتیجه حاصل از این پژوهش ارایه یک مدل عددی کارآمد برای طراحی چیدمان ستاره‌ای بهینه ابزار برش در ماشین TBM بر اساس الگوریتم بهینه‌سازی GWO بوده است. مدل ارایه شده قابلیت پیاده‌سازی تحت شرایط مختلف عملیاتی و برای انواع مختلف ماشین‌های TBM را دارا بوده است.
کلیدواژه‌ها

موضوعات


عنوان مقاله English

Optimum design of star layout for TBM cutting tool using gray wolves meta-heuristic optimization algorithm

نویسندگان English

Ali Alianvari 1
Majid Nourian 2
Mohsen Albouyeh 3
1 -
2 University of Kashan
3 University of Kashan
چکیده English

Objective The cutting tool layout in the TBM cutter head is considered one of the most effective factors in improving the efficiency of boring operations, the TBM service life, the proper performance of the cutting tool, and reducing drilling costs. Method In the design process of the TBM cutting tool layout, we faced a multi-objective optimization problem with nonlinear constraints, which caused computational complexity. In the present research, in order to evaluate the impact of cutting tool star layout on TBM performance, a numerical model has been developed using meta-heuristic GWO to design a star layout. Also, two types of star layouts (1: 8-pointed star, 2: 12-pointed star) were designed using the presented model, and the TBM performance was evaluated. Findings In order to evaluate the performance of the developed design model, the layout design process of the cutting tool in the cutter head of an operational TBM sample was evaluated. Based on the results, it is determined that based on the optimal 8-pointed star layout of the cutting tool, the lateral force Fs has decreased by 78.88% compared to the original layout of the cutting tool, and the eccentricity torque has decreased by 15.03%. Also, by evaluating the performance results of the TBM with optimal 12-pointed star layout, it was determined that the total lateral force Fs decreased by 87.89% based on the optimal 12-pointed star cutting tool layout compared to the original cutting tool layout and the eccentricity torque is reduced by 23.68%. From the comparison of the performance results of the TBM with an 8-pointed star layout and a 12-pointed star layout, it was found that the TBM with a 12-pointed star layout showed better performance. Based on the results, it is clear that the optimal star layout of the cutting tool in the TBM cutter head has improved the TBM performance from the point of view of drilling engineering (increasing efficiency and drilling progress). The most important result of this research included providing an efficient numerical model for designing the optimal star layout of the TBM cutting tool based on the grey wolf optimization algorithm. The presented model can be implemented under different operating conditions and for different types of TBMs.

کلیدواژه‌ها English

tunnel boring machine
TBM
cutting tool
star layout
cutter head
GWO algorithm
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دوره 19، شماره 64
پاییز 1403
صفحه 1-24

  • تاریخ دریافت 09 خرداد 1402
  • تاریخ بازنگری 01 مهر 1403
  • تاریخ پذیرش 01 آذر 1403