Engineering topics
Publications and source records attributed to Tai, W..
A feasibility study has been conducted at JPL, ESOC, and ISAS to assess the possible applications of the eXtensible Mark-up Language (XML) capabilities to the implementation of the CCSDS Space Link Extension (SLE) Service Management function.
As NASA moves int an era of flying more missions at much lower cost and shorter development duration, the Deep Space Mission System (DSMS) has been redesigned to provide services to approximately 50 missions during the next 10 years.
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An operations architecture is proposed for low cost missions beyond the year 2000. The architecture consists of three elements: a service based architecture; a demand access automata; and distributed science hubs. The service based architecture is based on a set of standard multimission services that are defined, packaged and formalized by the deep space network and the advanced multi-mission operations system. The demand access automata is a suite of technologies which reduces the need to be in contact with the spacecraft, and thus reduces operating costs. The beacon signaling, the virtual emergency room, and the high efficiency tracking automata technologies are described. The distributed science hubs provide information system capabilities to the small science oriented flight teams: individual access to all traditional mission functions and services; multimedia intra-team communications, and automated direct transparent communications between the scientists and the instrument.
A new operations architecture for low cost missions is proposed, to build a framework to enable NASA to face its major challenges beond 2000. This architecture is composed of three elements: Service Based Architecture, Demand Access Automation, Distributed Science Hubs.
The Mars Pathfinder Project plans a December 1996 launch of a single spacecraft.