NDLI: Wireless Impact and Leak Detection and Location Systems for the ISS and Shuttle Wing Leading Edge

Content Provider	IEEE Xplore Digital Library
Author	Champaigne, K.D. Sumners, J.
Copyright Year	2005
Description	Author affiliation: Invocon, inc., Conroe, TX (Champaigne, K.D.; Sumners, J.)
Abstract	A wireless data acquisition, processing, and communications system for continuous monitoring of critical aerospace structures for potentially damaging impacts and resulting air leaks to vacuum has been developed. The system was initially developed under a NASA SBIR Phase II program to monitor the International Space Station (ISS) for atmospheric leaks due to micrometeor or orbital debris (MMOD) impacts. The system acquires data from multiple ultrasonic transducers and determines approximate leak location through a triangularization routine based on angle of arrival. Subsequently, the system was modified to monitor the shuttle wing leading edge RCC panels during ascent and on-orbit phases for potentially damaging impacts from foam, ice, ablator, and MMOD objects. The wing leading edge impact monitoring system is being installed within the shuttle wings for the return to flight mission, STS-114, and subsequent missions to assist in detecting, locating, and characterizing the severity of impact events similar to the debris impact that caused the Columbia disaster. Resulting data from this system will be used in conjunction with various video systems to determine likely impact locations requiring further inspections, and potentially repairs, on-orbit. Each battery operated unit interfaces with high-speed accelerometers and temperature sensors, records data internally, performs detection algorithms, and transfers data through Shuttle or ISS systems for analysis by ground personnel. The design of both system architectures are discussed in this paper, including sensor interfaces, hardware design, embedded software leak and impact detection algorithms, system operations, and Shuttle/ISS integration methods
Starting Page	1
Ending Page	8
File Size	758865
Page Count	8
File Format	PDF
ISBN	0780388704
DOI	10.1109/AERO.2005.1559538
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-03-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Leak detection Monitoring Algorithm design and analysis Detection algorithms Data acquisition Vacuum systems NASA International Space Station Space debris Ultrasonic transducers
Content Type	Text
Resource Type	Article

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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