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Porting the Core Flight System to the Dellingr Cubesat
NTRS Full-Text: Click to View  [PDF Size: 433 KB]
Author and Affiliation:
Cudmore, Alan(NASA Goddard Space Flight Center, Greenbelt, MD, United States)
Abstract: Dellingr is a 6U Cubesat developed by NASA Goddard Space Flight Center. It was delivered to the International Space Station in August 2017, and is scheduled to be deployed in November 2017. Compared to a typical NASA satellite, the Dellingr Cubesat had an extremely low budget and short schedule. Although the Dellingr Cubesat has minimal hardware resources, the cFS was ultimately chosen for the flight software. Using the cFS on the Dellingr Cubesat presented a few challenges, but also offered opportunities to help speed up development and verify the ACS flight software. This presentation will cover the lessons learned in porting the cFS to the Dellingr Cubesat, including working with the limited hardware resources, porting the cFS to FreeRTOS, and overcoming limitations related to data storage and file transfer. This presentation will also cover how hardware abstraction was used to run the flight software on multiple platforms and interface with the 42 dynamic simulator.
Publication Date: Dec 06, 2017
Document ID:
20170011566
(Acquired Dec 18, 2017)
Subject Category: COMPUTER PROGRAMMING AND SOFTWARE
Report/Patent Number: GSFC-E-DAA-TN49929
Document Type: Oral/Visual Presentation
Meeting Information: Flight Software Workshop 2017 (FSW-2017); 4-7 Dec. 2017; Laurel, MD; United States
Meeting Sponsor: Johns Hopkins Univ.; Applied Physics Lab; Laurel, MD, United States
Financial Sponsor: NASA Goddard Space Flight Center; Greenbelt, MD, United States
Organization Source: NASA Goddard Space Flight Center; Greenbelt, MD, United States
Description: 17p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: No Copyright; Work of the U.S. Government - Public use permitted
NASA Terms: SMALL SCIENTIFIC SATELLITES; APPLICATIONS PROGRAMS (COMPUTERS); FLIGHT CONTROL; INTERNATIONAL SPACE STATION; LESSONS LEARNED; DEPLOYMENT; DATA STORAGE; SCHEDULES; SIMULATORS
Other Descriptors: FLIGHT SOFTWAR
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