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首页> 外文期刊>Space Science Reviews >The DREAMS Experiment Onboard the Schiaparelli Module of the ExoMars 2016 Mission: Design, Performances and Expected Results
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The DREAMS Experiment Onboard the Schiaparelli Module of the ExoMars 2016 Mission: Design, Performances and Expected Results

机译：梦想实验船上的Schiaparelli模块2016年的Schiaparelli模块：设计，表演和预期结果

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摘要

The first of the two missions foreseen in the ExoMars program was successfully launched on 14th March 2016. It included the Trace Gas Orbiter and the Schiaparelli Entry descent and landing Demonstrator Module. Schiaparelli hosted the DREAMS instrument suite that was the only scientific payload designed to operate after the touchdown. DREAMS is a meteorological station with the capability of measuring the electric properties of the Martian atmosphere. It was a completely autonomous instrument, relying on its internal battery for the power supply. Even with low resources (mass, energy), DREAMS would be able to perform novel measurements on Mars (atmospheric electric field) and further our understanding of the Martian environment, including the dust cycle. DREAMS sensors were designed to operate in a very dusty environment, because the experiment was designed to operate on Mars during the dust storm season (October 2016 in Meridiani Planum). Unfortunately, the Schiaparelli module failed part of the descent and the landing and crashed onto the surface of Mars. Nevertheless, several seconds before the crash, the module central computer switched the DREAMS instrument on, and sent back housekeeping data indicating that the DREAMS sensors were performing nominally. This article describes the instrument in terms of scientific goals, design, working principle and performances, as well as the results of calibration and field tests. The spare model is mature and available to fly in a future mission.
机译：在ExoMars计划中预见的两个任务中的第一个已于2016年3月14日成功启动。它包括痕量气体轨道器和Schiaparelli入境后期和着陆示范模块。 Schiaparelli举办了梦想仪器套件，这是唯一旨在在触地得达后运行的科学有效载荷。梦想是一种气象站，具有测量火星氛围的电力的能力。这是一个完全自主的仪器，依靠其电源供电。即使资源低（质量，能量），梦想也能够对火星（大气电气场）进行新的测量，并进一步了解Martian环境，包括灰尘周期。梦想传感器旨在在一个非常多尘的环境中运行，因为实验旨在在火灾风暴季节（2016年10月在Meridiani Planum）的火星上运行。不幸的是，Schiaparelli模块失败了下降的一部分，并将着陆撞到火星的表面上。尽管如此，崩溃前几秒钟，模块中央计算机将梦想仪器切换，并发回机家数据，表明梦想传感器是名义上的。本文在科学目标，设计，工作原理和表演方面描述了仪器，以及校准和现场测试的结果。备用模型成熟，可在未来的任务中飞行。

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