دانش و فناوری هوافضا

دانش و فناوری هوافضا

پرواز گروهی پهپادها با آرایش ساختار مجازی با کنترل تلفیقی PID و وارون دینامیک

نوع مقاله : مقاله پژوهشی

نویسندگان
1 کارشناس ارشد، مجتمع دانشگاهی هوافضا، دانشگاه صنعتی مالک‌اشتر
2 دانشیار، مجتمع دانشگاهی هوافضا، دانشگاه صنعتی مالک‌اشتر
چکیده
در این مقاله به موضوع هدایت گروهی پهپادها با آرایش ساختار مجازی با کمک کنترل تلفیقی PID و وارون دینامیک پرداخته شده است. ابتدا مدل‌سازی یک پهپاد بال ثابت با استفاده از معادلات شش درجه آزادی انجام شده و با توجه به انتخاب روش ساختار مجازی برای پرواز گروهی، سیستم هدایت و کنترل مناسب برای یک پرنده مبتنی بر راهبر مجازی طراحی و شبیه‌سازی شش درجه آزادی انجام شده است. در این راستا فرمان‌های شتاب در دستگاه مختصات اینرسی به فرامین شتاب در دستگاه مختصات بدنی پرنده تبدیل و سپس این فرامین، به فرمان‌های زوایای وضعیت و سرعت تبدیل شده است. با تلفیق کنترل خطی PID و کنترل غیرخطی وارون دینامیک، کنترل­کننده سیستم طراحی و با توجه به نتایج بدست آمده، توانسته به‌خوبی راهبر مجازی را در مسیر مطلوب تعقیب نماید. در ادامه، با مدل‌سازی آرایش ساختار مجازی و بکارگیری کنترلر پیشنهادی، خطای موقعیتی عضوها کنترل شده و نتایج شبیه‌سازی پرواز گروهی نشان می­دهد، عملکرد پهپادها در حفظ آرایش، تعقیب مسیر تعیین شده و حذف خطای موقعیت به‌صورت قابل‌ملاحظه‌ای بهبود یافته است.
کلیدواژه‌ها

موضوعات


عنوان مقاله English

Group flight of UAVs with virtual structure formation using intergrated PID control and dynamic inversion

نویسندگان English

S.Javad Hossenizade 1
Yosef Abbasi 2
Jalal Karimi 2
1 MSc Student, Faculty of Aerospace, Malek Ashtar University of Technology, Iran.
2 Associate Professor, Faculty of Aerospace, Malek Ashtar University of Technology, Iran
چکیده English

In this article, the matter of group guidance of UAVs with virtual structure formation with the help of integrated PID control and dynamic inversion is explained. First, the modeling of a fixed-wing UAV was done using the equations of six degrees of freedom, and according to the choice of the virtual structure method for group flight, the appropriate guidance and control system for a drone based on the virtual guide was designed and the simulation of six degrees of freedom has been done. In this regard, the acceleration commands in the inertial coordinate system have been converted to the acceleration commands in the body coordinate system of the drone, and then these commands have been converted into position and speed angle commands. By combining PID linear control and dynamic inversion non-linear control, the system controller was designed and according to the obtained results, it was able to follow the virtual guide in the desired direction. According to this, by modeling the formation of the virtual structure and using the proposed controller, the positional error of the unit is controlled and the results of the group flight simulation show that the performance of UAVs in maintaining the formation, following the designated path and eliminating the positional error has been significantly improved.

کلیدواژه‌ها English

Six degrees of freedom
UAV
group flight
virtual structure formation
integrated PID control and dynamic inversion.
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