فناوری در مهندسی هوافضا

فناوری در مهندسی هوافضا

ارزیابی حسگرهای ستاره با تحلیل‌های آماری

نوع مقاله : علمی پژوهشی

نویسندگان
1 دانشجوی دکتری، گروه آموزشی دینامیک پرواز و کنترل، دانشکده مهندسی هوافضا، دانشگاه صنعتی مالک اشتر، تهران، ایران
2 دانشیار، گروه آموزشی دینامیک پرواز و کنترل، دانشکده مهندسی هوافضا، دانشگاه صنعتی مالک اشتر، تهران، ایران
3 استادیار، گروه آموزشی دینامیک پرواز و کنترل، دانشکده مهندسی هوافضا، دانشگاه صنعتی مالک اشتر، تهران، ایران
چکیده
یک مقایسه و تحلیل آماری جامع روی مشخصات حسگرهای ستاره‌ به‌کاررفته در دنیا، می‌تواند اطلاعات ارزشمندی را در اختیار پژوهشگران، سازندگان و مشتریان این حوزه قرار دهد. در این راستا در این مقاله با یک جستجوی جامع، 12 شاخصه از حسگرهای ستاره (دقت، سرعت قابل‌ردیابی، زمان شناسایی اولیه، فرکانس، میدان دید، قدر ستاره، جرم، حجم، توان، ولتاژ، دما و عمر) در میان 72 حسگر ستاره مورد بررسی و مقایسه قرار گرفته است. همچنین با برازش منحنی‌ها در نمودارهای مقایسه‌ای روابطی استخراج گردیده که امکان طراحی آماری را برای سازندگان میسر می‌نماید. با امتیازدهی هر شاخصه از نمره 1 تا 10، امکان مقایسه هم زمان تمام مشخصات حسگرها به‌وسیله نمودارهای راداری فراهم شده و به طراحان ماهواره این امکان را داده تا با وزن‌دهی به معیارها، بهترین حسگر ستاره موجود را برای هدف و مأموریت خود، شناسایی و انتخاب نمایند. از جمله ویژگی‌های دیگر این مطالعات آماری نیز، بررسی حسگرهای ساخته شده در داخل کشور می‌باشد که مشخص می‌نماید با الهام‌گیری از سخت‌افزار و نرم‌افزار حسگرهایی چون PST3  امکان ارتقا و پیشرفت محصولات در زمان کمتری قابل حصول خواهد بود.
کلیدواژه‌ها
موضوعات

عنوان مقاله English

Star Trackers Evaluation by Statistical Analysis

نویسندگان English

Mohammad Sajjad Mahdiyari 1
Mehran Nosratollahi 2
Reza Zardashti 3
1 Ph. D. Student, Department of Flight Dynamics and Control, Faculty of Aerospace Engineering, Malek Ashtar University of Technology, Tehran, Iran
2 Associate Professor, Department of Flight Dynamics and Control, Faculty of Aerospace Engineering, Malek Ashtar University of Technology, Tehran, Iran
3 Assistance Professor, Department of Flight Dynamics and Control, Faculty of Aerospace Engineering, Malek Ashtar University of Technology, Tehran, Iran
چکیده English

A comprehensive statistical analysis and comparison on the characteristics of star trackers used in the world can provide valuable information to researchers, manufacturers and customers in this field. In this regard, with a comprehensive search, 12 indicators of star sensors (accuracy, maximum trackable rotation rate, acquisition time, data transmission rate, field of view, star magnitude, mass, volume, power, voltage, temperature and lifetime) among 72-star trackers has been investigated and compared in this article. Also, by fitting the curves in the comparative graphs, relationships were extracted that provide statistical design for the manufacturers. By scoring each index from 1 to 10, it is possible to compare all the characteristics of the sensors by radar charts at the same time, and it gives the satellite designers the opportunity to identify and choose the best available star sensor for their purpose and mission by weighting the criteria. Among the other features of these statistical studies is the investigation of sensors made inside the country, which shows that by taking modeling from the hardware and software of sensors such as PST3, it will be possible to upgrade and improve products in less time.

کلیدواژه‌ها English

Star Tracker
Performance Specifications
Statistical design
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  • تاریخ دریافت 28 بهمن 1401
  • تاریخ بازنگری 19 خرداد 1402
  • تاریخ پذیرش 23 خرداد 1402
  • تاریخ اولین انتشار 23 خرداد 1402