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ESA Eyes What Comes Next For Galileo Spacecraft

机译：ESA关注伽利略航天器的下一步发展

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Europe may be mired in financial austerity, but that has not derailed the region's effort to duplicate GPS with the Galileo satellite navigation and timing constellation. Instead, it is changing the economic equation underpinning the program. Even as the European Space Agency contracts for the satellites to complete the initial operational system, which is due to come on-line in 2014, ESA is starting discussions with users on what the future Galileo spacecraft should look like. One of the topics is likely to be whether a follow-on generation of satellites can yield total system cost-reductions. The technical debate, which also will include discussions of signal power, is just beginning but anticipation of user demands could start crystallizing by year-end, says ESA's Galileo program director Didier Faivre. The Galileo program has been under increased pressure to cut costs after a midyear review in 2011 determined it would cost €1.9 billion ($2.49 billion) to put the initial constellation in place. Progress has been made since then, says European Commissioner for Enterprise Antonio Tajani, with the estimate now down to €1.4-1.5 billion. Long-term, the EU is looking for around €7 billion from member states for full implementation and renewal of Galileo post-2014. Industry officials suggest that figure leaves little profit for suppliers, in particular OHB Technologies, which last week won a key contract to build eight more Galileo satellites, adding to its backlog that Includes the first 14 full-operational capability (FOC) spacecraft.
机译：欧洲可能陷入了财政紧缩的困境，但这并没有使该地区复制伽利略卫星导航和定时星座的GPS的努力脱轨。相反，它正在改变支撑该计划的经济方程式。即使欧洲航天局与卫星签订合同以完成最初的操作系统（定于2014年投入使用），ESA仍在与用户就未来的伽利略航天器的外观进行讨论。主题之一可能是下一代卫星是否可以降低整个系统的成本。 ESA的Galileo计划主管Didier Faivre表示，技术辩论（也将包括信号功率的讨论）才刚刚开始，但是对用户需求的预期可能在年底之前变得明确。伽利略计划在削减成本方面承受着越来越大的压力，因为在2011年的年中审查确定，将最初的星座部署到位将花费19亿欧元（24.9亿美元）。欧洲企业专员安东尼奥·塔哈尼（Antonio Tajani）表示，此后取得了进展，估计金额现已降至1.4-15亿欧元。从长远来看，欧盟正在寻求成员国提供约70亿欧元，以在2014年后全面实施和更新伽利略。业内官员认为，这一数字对供应商来说几乎没有利润，特别是OHB Technologies，该公司上周赢得了一份关键合同，再制造八颗伽利略卫星，并增加了其积压，其中包括首批14架全操作能力（FOC）航天器。

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    《Aviation Week & Space Technology》 |2012年第5期|p.18|共1页
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  • 收录信息 美国《工程索引》(EI);
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  • 正文语种 eng
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