نوع مقاله : مقالة تحقیقی (پژوهشی)
نویسندگان
1 دانشیار، دانشکده فناوری های نوین، دانشگاه شهید بهشتی، تهران، ایران
2 دانشکده فناوری های نوین، دانشگاه شهید بهشتی، تهران، ایران
چکیده
تلاطم در مخازن فضاپیما در حین انجام مانور مداری اثرات نامطلوبی دارد. بنابراین با توجه اهمیت مانور مداری صحیح برای رسیدن به مدار هدف، باید قبل از انجام مانورهای مداری تلاطم مدل‌سازی و روشی مناسبی برای کنترل آن انتخاب شود. در این مقاله با استفاده از یک روش جدید به مدل‌سازی تلاطم در مخازن پرداخته و همچنین برای اولین بار کنترل وضعیت فضاپیما و کنترل تلاطم به طور همزمان با استفاده از این مدل شبیه‌سازی شده است. تلاطم سوخت با استفاده از مدل توپ پالسی متحرک مدل‌سازی و معادلات دینامیکی کل سیستم با استفاده از معادلات کرشهف استخراج شده است. مانور فضاپیما و حرکت توپ پالسی متحرک در صفحه در نظر گرفته شده و در نتیجه سیستم فضاپیما و توپ پالسی دارای چهار درجه آزادی خواهد شد. نتایج شبیه‌سازی نشان دهنده موفقیت‌آمیز بودن مدل‌سازی ارائه شده و کنترل همزمان تلاطم و وضعیت می‌باشد.
کلیدواژه‌ها
موضوعات
عنوان مقاله [English]
The Turbulence Model in the Spacecraft by using A Moving Pulsed Ball Model
نویسندگان [English]
- M. Navabi 1
- Ahmad Ebrahimi 2
1 Associate Professor, Faculty of New Technologies Engineering. Shahid Beheshti University, Tehran, Iran
2 Faculty of New Technologies Engineering, Shahid Beheshti University, Tehran, Iran
چکیده [English]
Turbulence in the spacecraft tanks has undesirable effects during maneuvers. Therefore, considering the importance of the correct orbit maneuver to reach the target orbit, it is necessary to model and select a proper method to control it before performing the orbital maneuvers. In this paper, by using a new method for modeling turbulence in reservoirs and for the first time, spacecraft attitude control and turbulence control are simulated using this model. Fuel turbulence is modeled using a moving pulsed ball model, and the whole system's dynamic equations are derived using Krishehoff equations. The maneuver of the spacecraft and the motion of the moving pulsed ball is considered in the plane; therefore, the spacecraft and pulsed ball system will have four degrees of freedom. simulation results show successful modeling and simultaneous control of turbulence and situation
کلیدواژه‌ها [English]
- Turbulence modeling
- Moving pulsed ball
- Turbulence control
- State control
- Dynamics
- Combined turbulence and spacecraft
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