scholarly journals Analysis of Methods for CubeSat Mission Design Based on in-orbit Results of KRAKsat Mission

Author(s):  
Alicja Musiał ◽  
Dominik Markowski ◽  
Jan Życzkowski ◽  
Krzysztof A. Cyran

The success rate of currently performed CubeSat missions shows that despite their popularity, small satellites are still not as reliable as larger platforms. This research was conducted to analyse in-orbit experience from the KRAKsat mission and discuss methods for mission design and engineering that can increase CubeSats reliability and prevent their failures. The main purpose was to define best practices and rules that should be followed during mission development and operations to ensure its success based on the overview of the lessons learned from KRAKsat and problems encountered during its mission. This paper summarizes the experiences obtained and provides methods that can be used while carrying out future robust CubeSat projects. It was written to prove that there are some parts of the small satellite missions that are often neglected in the university-led projects and, by ensuring proper testing and planning before the actual mission, its reliability can increase. The following analysis could be used as a guide during the development of the next CubeSat projects.

2021 ◽  
Author(s):  
Amanda Hornby ◽  
Emilie Vrbancic

As part of ARL’s Research Library Impact Framework initiative, the University of Washington (UW) Odegaard Library’s Undergraduate Student Success Team designed an assessment framework for outreach to undergraduates. This practice brief describes the UW team’s outreach and assessment planning processes, the qualitative and quantitative assessment methods employed, the results of their assessment program, the lessons learned, and the best practices that emerged over several years and several iterations of conducting library outreach assessment. The brief presents both long-term reflections and most recent applications between 2016–2021.


2008 ◽  
Vol 42 (3) ◽  
pp. 35-40
Author(s):  
Christina Simoniello ◽  
Lundie Spence ◽  
Jack Thigpen

In addition to the observation, collection and analysis of data, Southeast Atlantic Coastal Ocean Observing System (SEACOOS) funding supported the development of a complementary Extension and Education (E&E) component. Extension activities were operated through the Sea Grant Extension Programs of North Carolina, South Carolina, Georgia and Florida. Education activities were channeled through the three Centers for Ocean Sciences Education Excellence in the SEACOOS domain, and the University of Georgia Marine Extension program. E&E Work Group (WG) activities included identifying stakeholders and their needs, increasing awareness of SEACOOS and ocean observing systems in general, and developing concepts for potential products. This article is designed to describe (1) how education and outreach functions were developed with SEACOOS funding to E&E Principal Investigators, (2) the "lessons learned" from the many collaborations, and (3) "best practices" gleaned from the four years of activity funding. Best practices for E&E included defining clearly the target audiences, identifying information needs, providing products appropriate to the audience, designing evaluations with a strong feedback loop, and developing long-term relationships between audiences and providers. This article is one of seven published in this special edition of the MTS Journal to provide a forward-looking discussion of future development of the Southeast Regional Coastal Ocean Observing System (SE RCOOS).


2018 ◽  
Vol 2018 (4) ◽  
pp. 58-67
Author(s):  
Mateusz Sochacki ◽  
Janusz Narkiewicz

Abstract Progress in miniaturization of satellite components allows complex missions to be performed by small spacecraft. Growing interest in the small satellite sector has led to development of standards such as CubeSat, contributing to lower costs of satellite development and increasing their service competitiveness. Small satellites are seen now as a prospective replacement for conventional sized satellites in the future, providing also services for demanding users. New paradigms of multi-satellite missions such as fractionation and federalization also open up new prospects for applications of small platforms. To perform a comprehensive simulation and analysis of future nanosatellite missions, an adequate propulsion system model must be used. Such model should account for propulsion solutions which can be implemented on nanosatellites and used in multi-satellite missions. In the paper, concepts of distributed satellite systems (constellations, formations, fractionated and federated) are described with a survey of past, on-going and planned multi-satellite nanosatellites missions. Currently developed propulsion systems are discussed and the models of propulsion systems embedded in the WUT satellite simulation model are presented.


Author(s):  
Witold Kinsner

The trend towards smaller and less expensive spacecraft continues. The University of Manitoba has participated in the design and implementation of a triple-pico-satellite (code TSat) since 2010, with over 100 undergraduate and graduate students from five faculties and 16 departments, as well as 50 advisors from academia, aerospace industries, business, military, and government. Such small satellites are used for atmospheric study and testing of new research concepts such as new forms of data communications, and constellations of space robots. A graduate course on small spacecraft engineering has recently been developed to address the needs of many students in this area. The course provides foundations for the design, implementation and testing of nano-, pico- and femto-satellites. The topics cover the anatomy of a small spacecraft, its design process with the specific design of its mission and payload, orbital mechanics, spacecraft subsystems, and mission operations handling. The specific subsystems include (i) attitude determination and control (ADC), (ii) telemetry, tracking, and command (TTC), (iii) command and data handling (CDH), (iii) power (PWR), (iv) thermal (TRM), (v) structures (STR), and (vi) guidance and navigation (GAV) [1-3]. Emphasis is given to the algorithms and computing tools for such small satellites. The basis for modeling and simulation is the Systems Tool Kit (STK) from Analytical Graphics Incorporated (AGI). The course is supported by our experience in developing the TSat1 nano-satellite. This paper describes the structure of the course, the methodology used, the set of topics covered, the set of course projects, and the lessons learned from the delivery of this unique course. Although the course is now intended for electrical and computer engineering students only, its scope will be expanded to accommodate mechanical and other engineering students.


2019 ◽  
Vol 13 (1) ◽  
Author(s):  
Anthony G. Picciano

In April 2008, the University of Illinois-Chicago hosted the Fifth Sloan-C Workshop on Blended Learning and Higher Education. This workshop attracted 180 educational leaders, faculty members, instructional designers and researchers who discussed, shared and considered effective practices in the design and delivery of blended learning environments. Presentations on best practices, lessons learned, and research on the phenomenon of blended learning stoked the discussion for two days.The theme of the workshop, Blending with Purpose, attempted to focus the discussions on the importanceof designing blended learning courses and programs with specific educational goals and objectives in mind. The theme developed out of a growing concern that many faculty were using the latest technology simply for the sake of the using technology without carefully considering the pedagogical benefits and “purpose”. The organizing committee for the workshop also understood that blended learning was not just a faculty-driven activity but needed support and guidance from the administration and instructional designers. As a result, three areas of focus helped organize the workshop activities namely: administration, pedagogy, and evaluation/assessment.


Information ◽  
2020 ◽  
Vol 11 (5) ◽  
pp. 258
Author(s):  
Alessandra Babuscia

Small Satellites and in particular CubeSats are becoming extremely popular platforms with which to perform space research. They allow for rapid prototyping with considerable cost savings with respect to traditional missions. However, as small satellite missions become more ambitious in terms of destinations to reach (from Low Earth Orbit to interplanetary) and in terms of the amount of data to transmit, new technologies need to be developed to provide adequate telecommunication support. This paper aims to review the telecommunication systems that have been developed at the Jet Propulsion Laboratory for some of the most recent CubeSat missions operating at different frequency bands: ASTERIA (S-Band), MarCO (X-Band and UHF) and ISARA (Ka-Band and UHF). For each of these missions: the telecommunication challenges and requirements are listed; the final system design is presented; the characteristics of the different hardware components are shown; and the lessons learned through operations are discussed.


Author(s):  
Mandy Bratton

Founded in 2004, Global TIES – Teams in Engineering Service at the University of California, San Diego is a nationally recognized humanitarian engineering and social innovation program. In Global TIES, student-led, faculty-advised, interdisciplinary teams of undergraduate students earn academic credit for designing engineering and technology solutions in partnership with local and global nonprofit organizations. Data suggest that participation in Global TIES has a positive impact on students on a number of academic and developmental variables, including many of the professional and technical skills recommended by the Accreditation Board for Engineering and Technology. These findings, as well as the program’s history, mission, and curriculum, are described. Best practices developed and lessons learned over the program’s first decade are also discussed.


2019 ◽  
Vol 107 (4) ◽  
Author(s):  
Karen R. McElfresh ◽  
Robyn M. Gleasner

Background: After several years of storing a large number of historical medical books that had been weeded from the general collection, the University of New Mexico Health Sciences Library and Informatics Center developed a set of evaluation criteria to determine whether the material should be kept and included in the library catalog or discarded. The purpose of this article is to share lessons learned in evaluating and processing a historical medical book collection. The authors share how we determined review criteria as well as cataloging and processing procedures.Case Presentation: Best practices for evaluating, cataloging, and processing historical library material were determined through a literature search and then reviewed and adapted for application to this project. Eight hundred sixty-two titles were selected to add to the catalog and were added to a shelving location in our offsite storage facility.Conclusions: These materials are now discoverable in the library’s catalog for library users who are interested in historical research, and the materials have been processed for easy retrieval as well as preservation purposes.


2020 ◽  
Vol 26 (1) ◽  
pp. 157-162
Author(s):  
Paul Tudorache ◽  
Lucian Ispas

AbstractUsing the lessons learned from recent military operations such as Operation Inherent Resolve (OIR) from Syria and Iraq, we proposed to investigate the need for tactical military units to adapt operationally to grapple with the most common requirements specific to current operational environments, but also for those that can be foreseen in the future. In this regard, by identifying the best practices in the field that can be met at the level of some important armies, such as USA and UK, we will try to determine a common denominator of most important principles whose application may facilitate both operational and organizational adaptation necessary for tactical military units to perform missions and tasks in the most unknown future operational environments.


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