Nozomi in perspective, Revisiting the causes of failure |
Nozomi in perspective, Revisiting the causes of failure |
Oct 23 2011, 09:12 AM
Post
#1
|
|
Member Group: Members Posts: 817 Joined: 17-April 10 From: Kamakura, Japan Member No.: 5323 |
http://www.mext.go.jp/b_menu/shingi/uchuu/...ts/04061101.pdf
Above pdf file will be translated for aspiring students in aeronautics, control engineering etc. so that in future lay people like me will be able to enjoy planetary scenes and events without worrying about failures. The overall title is "Looking into the causes of failure and trying to find the right measures to take for the future with respect to the 18th scientific satellite (PLANET-B ) not inserted into Mars orbit as planned" and it is dated 21 May 2004. This file is very much detailed at 1.1 megabytes and the number of pages is about 40, I think. In addition, I will be translating 3 more files after this particular file. They will be; 1. ISAS file with views and comments on the failure 2. Another ISAS file, a newsletter written out in a series of 4 individual letters. 3. JAXA file, which is a press release and it is a very concise document with just sufficient details. Re concise link making I tried a few times, but I simply failed and all the links will be fully pasted out as required. Pandaneko |
|
|
Nov 29 2011, 09:05 AM
Post
#2
|
|
Member Group: Members Posts: 817 Joined: 17-April 10 From: Kamakura, Japan Member No.: 5323 |
above for ease of reference I had a quick look at the rest of this report and am satisfied that it does relate directly to failure causes. Therefore, I will continue with my translation, but there are a very few pages (I suspect 2 or 3such pages) which are irrelevant. One such is as follows as page 37. I am translating this page for completeness sake. page 37 Table Ⅰ―1-2 List of engineering objectives achieved with Nozomi Engineering objective:: Outline (as follows) mission analysis:: coming up with an optimum mission scenario by trading-off, given limited resources and time, all those engineering options available orbit planning:: ability to design orbits peculiar to planetary mission such as swingby techniques with the Moon and the Earth high precision orbit determination:: by waves from the ground obtain velocity and line of vision distance data to be fed into precision dynamical modelling in order to determine the deep space probe's orbit with high accuracy autonomous operation:: AI technique for letting the onboard computer make judgements ultra long distance communication:: communication equipment and operational knowhow for the long distance (max. 4 times 10 to the power of 8 km) communication weight reduction of the onboard instruments:: reducing the weight of all onboard devices including propulsion, solar batteries, antenna, batteries, electronics given that deep space probing requires considerably more energy at launch ground support software:: ground software with AI capability given that safe operation of the deep space probe requires operation under complex constraints including a long term cruising phase end of page 37 P |
|
|
Lo-Fi Version | Time is now: 26th September 2024 - 06:24 PM |
RULES AND GUIDELINES Please read the Forum Rules and Guidelines before posting. IMAGE COPYRIGHT |
OPINIONS AND MODERATION Opinions expressed on UnmannedSpaceflight.com are those of the individual posters and do not necessarily reflect the opinions of UnmannedSpaceflight.com or The Planetary Society. The all-volunteer UnmannedSpaceflight.com moderation team is wholly independent of The Planetary Society. The Planetary Society has no influence over decisions made by the UnmannedSpaceflight.com moderators. |
SUPPORT THE FORUM Unmannedspaceflight.com is funded by the Planetary Society. Please consider supporting our work and many other projects by donating to the Society or becoming a member. |