طراحی کنترل وضعیت ماهواره به روش کنترل بهینه بدون مدل

تاجی هروی, فرید; با صحبت نوین زاده, علی رضا

نوع مقاله : مقالة‌ تحقیقی‌ (پژوهشی‌)

نویسندگان

¹ گروه مهندسی هوافضا، دانشکدة مهندسی مکانیک و هوافضا، دانشگاه آزاد اسلامی واحد علوم و تحقیقات، تهران، ایران

² دانشکدة مهندسی هوافضا، دانشگاه خواجه نصیرالدین طوسی، تهران، ایران

چکیده

هدف از ارائه این مقاله اثبات و تشریح روش کنترل بهینه بدون مدل است. این تئوری از اصول روش برنامه‏‏ریزی دینامیکی استخراج شده است. روش کنترل بهینه بدون مدل برای سیستم‏های گسسته در زمان، تولید شده است. در طراحی کنترلر نیازی به مدل سیستم نیست، و تنها از داده‏های ورودی و خروجی برای طراحی کنترلر استفاده شده است. برای ارزش‏سنجی روش کنترلی بدون مدل دو عمل صورت گرفته است. اولین عمل طراحی این روش کنترلی برای کنترل وضعیت ماهواره بوده است. هدف از انجام آن تولید روش کنترل بهینه بدون مدل برای مدلی فضایی و سنجش کارایی آن برای سیستم ماهواره است. دومین عمل صورت گرفته برای ارزش‏سنجی، طراحی کنترلر تنظیم‏کنندة خطی درجه دوم (LQR) برای سیستم گسسته در زمان ماهواره است. علت طراحی این کنترلر مقایسه‏ی آن با روش کنترلی بدون مدل خواهد بود. در نهایت با انجام این دو عمل، به این نتیجه رسیده شده است که روش کنترل بهینه بدون مدل قابل قبول و ارزشمند است.

کلیدواژه‌ها

عنوان مقاله [English]

Designing Spacecraft Attitude Control Using Model-free Optimal Control Theory

نویسندگان [English]

Farid Taji Hervi ¹
ALIREZA NOVINZADEH ²

¹ Department of Aerospace Engineering, Faculty of Mechanical and Aerospace Engineering, Islamic Azad University, Science and Research Branch, Tehran, Iran

² Department of Aerospace Engineering, Khajeh Nasir al-Din Tusi University, Tehran, IRAN

چکیده [English]

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The purpose of the present paper is to prove the model-free optimal control theory. This theory is derived from the principles of dynamic programming and it is produced for discrete-time systems. The design of the controller depends merely on the I/O data of the controlled planet; hence, the controller is independent of the model. In this paper, two actions have been performed in order to measure the value of the controller. In the first step, the control method was designed to control the attitude of spacecraft. The purpose of this theory was to create a model-free optimal control for the spatial model and to measure the efficiency of the spacecraft systems. Secondly, designing linear quadratic regulator (LQR) controller for attitude control of spacecraft was carried out. The reason for designing this controller was to compare it with model-free optimal control. If the differences between two controllers was proved to be small, then the theory would be proven. Finally, it has been concluded that controller is valuable and acceptable.

کلیدواژه‌ها [English]

Dynamic programming
Linear Quadratic Regulator
Model-Free controller
Attitude control of spacecraft

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علوم و فناوری فضایی

طراحی کنترل وضعیت ماهواره به روش کنترل بهینه بدون مدل

مراجع

مراجع

دوره 10، شماره 3 - شماره پیاپی 32
آذر 1396
صفحه 41-57

طراحی کنترل وضعیت ماهواره به روش کنترل بهینه بدون مدل

مراجع

مراجع

دوره 10، شماره 3 - شماره پیاپی 32آذر 1396صفحه 41-57

دوره 10، شماره 3 - شماره پیاپی 32
آذر 1396
صفحه 41-57