شبیه سازی تحول زمانی اشعه ایکس سخت در ناحیه پایدار پلاسمای توکامک با استفاده از شبکه عصبی مصنوعی هیبریدی NARX-GA

نوع مقاله : مقاله پژوهشی

نویسندگان

1 گروه فیزیک، دانشگاه آزاد اسلامی، واحد شوشتر، شوشتر، ایران

2 شرکت کانادایی چشمه نور، دانشگاه ساسکاتچوان، ساسکاتون، کانادا

3 گروه علوم پایه، دانشگاه آزاد اسلامی، واحد گرمسار، گرمسار، ایران

4 گروه کامپیوتر، دانشکده مهندسی، دانشگاه شهید چمران اهواز، اهواز، ایران

5 گروه زمین شناسی، دانشکده علوم پایه، دانشگاه تبریز، تبریز، ایران

چکیده

تکامل زمانی پرتو ایکس سخت با استفاده از شبکه عصبی هیبریدی NARX-GA در ناحیه پایدار توکامک پلاسما شبیه‌سازی شد. ولتاژ حلقه و اشعه ایکس سخت اندازه گیری شده توسط ابزار تشخیصی توکامک به عنوان ورودی شبکه انتخاب شدند. شبکه NARX با استفاده از الگوریتم ژنتیک (GA) آموزش داده شد و به طور دقیق تکامل زمانی پرتو ایکس سخت را تا 500 میکرو ثانیه شبیه‌سازی کرد (MSE = 4.13×10-5). افزایش زمان محصور سازی هدف ویژه ای در استفاده از توکامک برای تولید انرژی از طریق همجوشی می باشد. کاربرد بلادرنگ این روش ما را به این هدف نزدیکتر می کند. پیش‌بینی سخت اشعه ایکس می‌تواند از کاهش انرژی پلاسما جلوگیری کند. همچنین می تواند آسیب شدید ناشی از برخورد الکترون های گریزان (RE) با دیواره توکامک را کاهش دهد. پیش‌بینی تکامل زمانی پرتو ایکس سخت برای کاهش اثرات بالقوه خطرناک الکترون های گریزان امری حیاتی است.

کلیدواژه‌ها

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