Lunar Lander Test Rig : 無料・フリー素材/写真
Lunar Lander Test Rig / jurvetson
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
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| 説明 | A quad ‘copter from Chris Anderson, with Go-Pro underbody gimbal and a sensor array for landing that is so very clever in the repurposing of consumer hardware to replace expensive and heavy radar units like they used on Apollo. A great way to test the control algorithms for automated landing. Like Apollo, the landing would occur at lunar daybreak (maximum shadows for surface feature contrast, and a 14 day window of solar flux). The tech challenge I am working on is how to survive the 14 day lunar night at -150°C. Batteries freeze rather destructively. The only Apollo instruments to survive the night had nuclear batteries (like Curiosity). I am thinking Solar Junction solar cells, Everspin rad-hard/soft-error-immune MRAM, and a super cap or maybe LiIon electrolyte from eSionic which might survive the temp cycling. Or perhaps a Solicore solid electrolyte from ORNL. Has anyone tested the other elements (processor, PCB interconnect) through those extreme temp cycles?Part of a very fun update tour of Moon Express at NASA Ames today. Oh, and there is a very cool design element whereby they use an optical mouse sensor instead of a landing radar (see below). |
| 撮影日 | 2012-12-18 11:32:38 |
| 撮影者 | jurvetson , Los Altos, USA |
| タグ | |
| 撮影地 | |
| カメラ | Canon PowerShot S100 , Canon |
| 露出 | 0.033 sec (1/30) |
| 開放F値 | f/2.0 |
| 焦点距離 | 13651.87719 dpi |