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طراحی کنترل‌کننده تطبیقی فازی-مود لغزشی ترمینال برای سیستم تعلیق فعال جبران گرانش مورد استفاده در آزمایشگاه مکانیزه‌های فضایی | ||
| مکانیک هوافضا | ||
| مقاله 7، دوره 21، شماره 1 - شماره پیاپی 79، خرداد 1404، صفحه 109-125 اصل مقاله (1.14 M) | ||
| نوع مقاله: گرایش دینامیک، ارتعاشات و کنترل | ||
| شناسه دیجیتال (DOI): 10.47176/MAJ.2025.1486 | ||
| نویسندگان | ||
| محرم شاملی* 1؛ غلامرضا هاشمی2 | ||
| 1نویسنده مسئول: استادیار، پژوهشکده رانشگرهای فضایی، پژوهشگاه فضایی ایران، تبریز، ایران | ||
| 2کارشناسی ارشد، پژوهشکده رانشگرهای فضایی، پژوهشگاه فضایی ایران، تبریز، ایران | ||
| تاریخ دریافت: 11 دی 1403، تاریخ بازنگری: 04 بهمن 1403، تاریخ پذیرش: 20 بهمن 1403 | ||
| چکیده | ||
| در این مقاله، طراحی یک کنترل‌کننده مود لغزشی ترمینال تطبیقی بر اساس مجموعه‌های فازی نوع 1 و 2 برای سیستم جبران گرانش فعال ارائه‌شده است. این سیستم که برای شبیه‌سازی شرایط میکرو گرانش در محیط‌های زمینی طراحی‌شده، نقش مهمی در بررسی عملکرد تجهیزات فضایی پیش از پرتاب ایفا می‌کند. معادلات دینامیکی سیستم جبران گرانش تعلیق فعال با استفاده از رویکرد لاگرانژ مدلسازی شده است. طراحی کنترل‌کننده پیشنهادی با هدف بهبود پایداری و دقت سیستم در حضور اغتشاشات و عدم قطعیت‌ها صورت گرفته است. در این راستا، استفاده از منطق فازی نوع 1 و 2 باعث افزایش انعطاف‌پذیری کنترل‌کننده در مواجهه با عدم قطعیت‌ها شده و امکان کاهش چترینگ و همگرایی سریع‌تر به شرایط مطلوب را فراهم کرده است. نتایج شبیه‌سازی عددی در محیط متلب نشان داده‌اند که این کنترل‌کننده می‌تواند خطاهای خروجی سیستم را با دقت بالا کاهش داده و عملکرد مطلوبی در ردیابی مسیرهای مرجع ارائه دهد. | ||
تازه های تحقیق | ||
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| کلیدواژه‌ها | ||
| سیستم جبران گرانش فعال؛ کنترل مود لغزشی ترمینال؛ مجموعه فازی نوع 1؛ مجموعه فازی نوع 2 | ||
| عنوان مقاله [English] | ||
| Design of an Adaptive Fuzzy Controller with Terminal Sliding Mode for a Gravity-Compensated Active Suspension System Used in the Space Mechanism Laboratory | ||
| نویسندگان [English] | ||
| Moharram Shameli1؛ Gholamreza Hashemi2 | ||
| 1Corresponding author: Assistant Professor, Space Thrusters Research Institute, Iranian Space Research Center, Tabriz, Iran | ||
| 2M.Sc., Space Thrusters Research Institute, Iranian Space Research Center, Tabriz, Iran | ||
| چکیده [English] | ||
| T This paper presents the design of an adaptive terminal sliding mode controller based on type 1 and type 2 fuzzy sets for the active gravity compensation system. This system is designed to simulate the microgravity conditions in terrestrial environments and plays an important role in testing the performance of spacecraft before launch. The dynamic equations of the active gravity compensation system of the suspension are modeled using Lagrangian approach. The design of the proposed controller aims to improve the stability and accuracy of the system in the presence of disturbances and uncertainties. In this context, the use of type 1 and 2 fuzzy logic has increased the flexibility of the controller in dealing with uncertainties and allowed the reduction of chattering and faster convergence to the desired conditions. The results of numerical simulation in the MATLAB environment have shown that this controller was able to reduce the output errors of the system with high accuracy and provide desirable performance in tracking reference sections. | ||
| کلیدواژه‌ها [English] | ||
| Active Gravity Compensation System, Terminal Sliding Mode Control, Type-1 Fuzzy Set, Type-2 Fuzzy Set | ||
| مراجع | ||
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