NDLI: Revolutionary design meets spacecraft reality: Lessons learned

Content Provider	IEEE Xplore Digital Library
Author	Boncyk, W.C.
Copyright Year	1986
Abstract	The Plug and Play Satellite (PnPSat) Program, initiated by the Air Force Research Laboratory in Albuquerque, New Mexico, is both a testbed for innovative spacecraft components and integration concepts, and a fully functional spacecraft with the first Flight Unit rapidly approaching night-readiness. While the intent of the PnPSat Program is to prove technologies and implement processes that allow rapid integration and test of flight-ready units, the integration of the first PnPSat flight article has not been without more traditional platform integration challenges. Design_Net Engineering (D_Net) has been tasked with supplying both hardware and systems expertise to develop most of the power sub-system components for PnPSat. We have successfully developed, delivered, and integrated a Solar Array Controller (SAC) and an Energy Storage Module (ESM) that provide hardware and software interfaces necessary to effectively enable solar power acquisition and management on the PnPSat spacecraft. The lessons learned along the path to successful integration and test will be of value to anyone else developing hardware and firmware destined for the PnPSat architecture. The PnPSat program paradigm is based on a readily available collection of hardware components and their associated embedded software interfaces (on-shelf “at the depot”) that can be assembled in a variety of configurations on a standard spacecraft structure, providing a fully configured and tested, flight-ready spacecraft within a matter of days following call-up. The principal challenge facing the Power Subsystem developer under these unique design constraints is to deliver a system that does not simply meet a point design spec, but rather one that includes component modules capable of supporting a wide range of future mission requirements, while also fitting the form factor and interface architecture dictated by the need for component relocateability; and while capable of reliable operation in such a distributed power architecture. Design_Net's hardware implementations satisfy all functional and performance requirements imposed by all projected PoPSat mission needs, while maintaining the ability to be placed anywhere on or in the spacecraft.
Starting Page	25
Ending Page	31
Page Count	7
File Size	3403799
File Format	PDF
ISSN	08858985
Volume Number	25
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Satellites US Dept of Defense Energy storage Space vehicles Solar array controllers Solar power
Content Type	Text
Resource Type	Article
Subject	Aerospace Engineering Electrical and Electronic Engineering Space and Planetary Science

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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