Nozomi in perspective, Revisiting the causes of failure |
Nozomi in perspective, Revisiting the causes of failure |
Oct 23 2011, 09:12 AM
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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 |
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Dec 19 2011, 09:29 AM
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Member Group: Members Posts: 817 Joined: 17-April 10 From: Kamakura, Japan Member No.: 5323 |
above for ease of reference page 67 Fig. III-1-8 1 bit comms. (communication using autonomous function) We could regard this to be a table, but for intuitive simplicity I will be descriptive as follows: top 3 squares from left to right are: 1. setting a question by a command. 2. judgement by autonomous function. 3. Beacon ON command. Long horizontal line is "Beacon ON" and the short dotted line just below it says "Corresponds to "Beacon OFF" and the character string below says "YES" and the dotted line is "judgement". end of page 67 page 68 Table III-1-2 Predicted and actually measured values of data on 2 May and 1 bit comms. (operation by ON/OFF beacon signals) (here, I regard this to be a C5 and R21 matrix and what follows refers only to the tabular entries) C2R1: Data on 24 April C3R1: Estimated value on 2 May C4R1: Actually measued value C5R2 to R16 is common and it says"Normal except the heater and the common power source". C5R17: Measued value on 3 May. C5R18 to R21: cooled to temp. below freezing temp.. end of page 68 P |
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