دوره 17، شماره 1 - ( مجله کنترل، جلد 17، شماره 1، بهار 1402 )                   جلد 17 شماره 1,1402 صفحات 49-35 | برگشت به فهرست نسخه ها

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1- دانشکده مهندسی برق و رباتیک، گروه کنترل، دانشگاه صنعتی شاهرود
چکیده:   (1213 مشاهده)
در این مقاله یک کنترل‌کننده مبتنی بر رؤیتگر برای یک کلاس از سیستم‌های غیر خطی مرتبه کسری ارائه می‌گردد. ابتدا با در نظر گرفتن یک سیستم مرتبه کسری پایدار که به عنوان مدل مرجع شناخته می‌شود، کنترل‌کننده به گونه‌ای طراحی می‌گردد که سیستم حلقه‌بسته، حالت‌های سیستم مرجع را تعقیب کند. با توجه به غیرقابل اندازه‌گیری بودن تعدادی از حالت‌های سیستم مرتبه کسری، طراحی کنترل‌کننده، مبتنی بر رؤیتگر انجام می‌گیرد. رؤیتگر پیشنهادی در این تحقیق با استفاده از رویکرد تئوری مقدار میانگین مشتقی، دینامیک خطای غیرخطی رؤیتگر را به دینامیک خطی و متغیر با پارامتر تبدیل می‌کند به طوری که تحلیل پایداری آن با استفاده از تابع لیاپانوف و نامساوی ماتریسی خطی به راحتی انجام می‌گیرد. در ادامه تحلیل پایداری کنترل‌کننده مبتنی بر رؤیتگر نیز با استفاده از قضیه لیاپانوف انجام می‌گیرد. در خاتمه برای نشان دادن کارآیی و مؤثر بودن کنترل‌کننده پیشنهادی، نتایج شبیه‌سازی دو سیستم مرتبه کسری غیرخطی با در نظر گرفتن کنترل کننده طراحی شده نشان داده می‌شود.
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نوع مطالعه: پژوهشي | موضوع مقاله: تخصصي
دریافت: 1401/5/2 | پذیرش: 1402/2/1 | انتشار الکترونیک پیش از انتشار نهایی: 1402/3/21 | انتشار: 1402/4/1

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