Network architecture and protocol for spacecraft systems
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United States of America Patent
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Issued Date -
Jan 19, 2006
app pub date -
Jun 14, 2005
filing date -
Jun 14, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A network architecture and protocol provides 'plug and play' spacecraft capabilities. A distributed-control architecture is used, wherein each component operates semi-autonomously, and interacts with other components on a task/resource level. Each component announces its requirement for system resources as a request to the network, and components that can provide some or all of the requested resources respond to the request. An arbitration device centralizes and coordinates requests for critical and/or singular resources, such as requests for a specific orientation of the spacecraft. To facilitate such distributed control, requests are made in advance of the requirement for the resource, and include a time interval during which the resource is required. A configuration and test system is provided to process the mission requirements and provide a set of components that can be configured to satisfy the requirements.
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