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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

System Management in Network-Based Telemetry Systems

Bertrand, Allison R., Moore, Michael S., Abbott, Ben A. 10 1900 (has links)
ITC/USA 2008 Conference Proceedings / The Forty-Fourth Annual International Telemetering Conference and Technical Exhibition / October 27-30, 2008 / Town and Country Resort & Convention Center, San Diego, California / Network-based telemetry systems are increasingly being used to improve the flexibility and longevity of flight test systems. Modern network-based flight test systems utilize large numbers of devices including high-speed network switches, data acquisition devices, recorders, and telemetry interfaces, all of which must be managed in a coordinated fashion. The move to network-based testing provides the ability to build a standards-based System Management interface which can status and control a diverse set of devices. The benefits include the ability to easily tailor System Management tools to support many different styles of user interactions and to quickly integrate new types of devices. While the new capabilities presented by System Management are exciting, the very openness of the system presents challenges to ensure that future growth will be seamlessly supported. This paper will discuss issues encountered while implementing flight test System Management tools for a network-based telemetry system.
2

Comparing Packet Fill Strategies in Ethernet-Based Data Acquisition Systems

Penna, Sérgio D. 10 1900 (has links)
ITC/USA 2014 Conference Proceedings / The Fiftieth Annual International Telemetering Conference and Technical Exhibition / October 20-23, 2014 / Town and Country Resort & Convention Center, San Diego, CA / Ethernet-based data acquisition systems are becoming more and more common in the Flight Test Instrumentation environment. Digitized analog sensor output and various other types of digital data is captured and inserted into Ethernet packets using a "packet fill" strategy that in general is under control of the user. This paper discuss and compares two strategies "FILL-TO-TIME" and "FILL-TO- SIZE" for the acquisition of ARINC-429 digital data bus.

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