طراحی کنترل مدل افرونه پیش‌بین مقاوم یک راکت بر پایه رؤیت‌گر اغتشاش

نوع مقاله : مقاله پژوهشی (کاربردی)

نویسنده

گروه مهندسی برق، دانشگاه فنی و حرفه‌ای، تهران، ایران.

10.48301/kssa.2024.405697.2623

چکیده

این مقاله یک راه حل مقاوم جدید برای مسئله کنترل مدل پیش‌بین یک راکت غیر خطی و زمان گسسته در حضور اغتشاشات محدود ارائه می‌دهد. در ابتدا، یک مدل ریاضی برای راکت در فضای حالت ارائه می‌شود. معادلات شش درجه آزادی جفت شده غیرخطی به صورت معادلات دینامیکی جانبی و طولی جداسازی شده و با استفاده از ضرایب آیرودینامیکی و خطی کردن آن، یک مدل دقیق برای طراحی کترل مدل پیش‌بین ارائه شده است. قانون کنترلی ارائه شده در این مقاله به صورت یک رابطه خطی از حالت‌ها و تخمین اغتشاش می‌باشد.  به کارگیری رویت‌گر منجر به تعریف فضا و دامنه‌ی جدید برای حل مسئله می‌گردد که در این مقاله مورد بررسی قرار گرفته است. مسئله کنترل مدل پیش‌بین برای سیستم نامعین در زمان محدود و برخط حل می‌شود و متغیر تصمیم در این مسئله حالت اولیه و تخمین اغتشاش است. در انتها، روش توسعه داده‌شده با شبیه‌سازی در نرم‌افزار ارزیابی می‌گردد.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Augmented Robust Model Predictive Control Design of a Rocket based on a Disturbance Observer

نویسنده [English]

  • MohammadAli Mohammadkhani
Department of Electrical Engineering, Technical and Vocational University (TVU), Tehran, and Iran.
چکیده [English]

This paper presents a novel robust solution to the problem of model predictive control for a nonlinear, discrete-time rocket in the presence of finite disturbances. First, a mathematical model for the rocket in the state space was presented. Then, the basic equations of a typical six-Degree-of-Freedom airframe dynamics (6DoF) were separated as lateral and longitudinal dynamic equations. Linearization of these coupled dynamics was presented by using aerodynamic coefficients. Next, an augmented Model Predictive Control (MPC) was designed by using an observer to estimate states and disturbances, allowing the controller to reject disturbances. Application of the disturbance observer leads to the definition of a new state space and domain for MPC, which was considered in the present research. The predictive model control problem for the uncertain system was solved in finite time and online, and the decision variables were the initial states and disturbance estimations. Finally, the performance of the developed method was evaluated by simulation.

کلیدواژه‌ها [English]

  • Model Predictive Control
  • Robust
  • Observer
  • Rocket
  • Disturbance

مراجع

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فصلنامه علمی کارافن
دوره 20، شماره 3
فنی و مهندسی
آذر 1402
صفحه 19-442

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سابقه مقاله

  • تاریخ دریافت: 22 تیر 1402
  • تاریخ بازنگری: 25 آبان 1402
  • تاریخ پذیرش: 05 دی 1402

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