Forum: Reliability & Maintainability Questions and Answers
Posted by: Thomas Urbanczyk (thomas.urbanczyk@systema-gmbh.de ) Organization:SystemA Engineering GmbH Date posted: Wed Mar 10 3:29:23 US/Eastern 2004 Subject: Export to Excel - Import to Prism Message: Problem: I've got a big assembly with lots of sub-assemblys (about 130 sub-assemblys, 800 parts in total). Now I have to change a value for most of the parts, which could be done easily with excel. Therefore I used the export function, in the next step I imported the file to excel and changed the relevant values. Problem is, the import back to PRISM doesn't work, or better said, I have to manually build up the assembly structure again. Is there any way to do it correctly?
Posted by: Victor Lago Organization:TECNOBIT Date posted: Tue Mar 2 4:19:00 US/Eastern 2004 Subject: Item Toolkit - Memories Message: I have a problem with the memories size using the Item Toolkit. This application only permits memories up to 1001 bit, using MIL-HDBK-217 Notice 2. The equipment which I have to calculate the failure rate, contains memories higher than these 1001 bits. The only idea I had was to calculate the failure rate for these chips, with the MIL-HDBK-217 Notice 2, and after adjust them taking the "Adjustment Factor". Anybody knows another way to resolve the problem. Thank you all.
Posted by: Stanford Lee (stanford@serv.unityopto.com.tw ) Date posted: Mon Mar 1 1:45:04 US/Eastern 2004 Subject: LED Prediction Message: I have a question about how to prediction 50,000 hours power depreciation curve. I only have 1,000 hours room temperature burn-in data. Thanks.
Posted by: Jack Neo Organization:DSTA Date posted: Sat Feb 28 5:27:34 US/Eastern 2004 Subject: Models for assessing MTBF of armoured vehicle Road Wheels? Message: What is the recommended model for wear life analysis of roadwheels of an armoured vehicles? I have collected the cumulative mileage data when the road wheels are replaced so can i use exponential model? i dont think so because road wheels has a wear out failure mode. so what mathematically model should i use and how to use it?
Posted by: Ana Ortiz Date posted: Wed Feb 25 16:48:56 US/Eastern 2004 Subject: TS16949 requirements Message: Can you please help me out regarding this. In TS16949 - there is a requirement of defining objetives for capability, reliability, maintainability. What is the difference between them and how can we put the target for these three? I am in the automotive industry
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