Accelerated Reliability Engineering: HALT and HASS
by: Gregg K. Hobbs
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Topics include: rate thermal cycling, many field failures, mechanical fatigue damage, proof that the techniques, large design margins, precipitated defects, precipitation screens, destruct levels, axis shaker, destruct limits, detectable state, seeded samples, tickle vibration, broad band vibration, classical equipment, detection screens, step stress testing, vibration screening, axis vibration, fault injection, product under test, fault insertion, fatigue damage accumulation, coverage and resolution, sustaining engineering
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Its on its own -- Have not read another like this because Gregg Hobbs is its' inventor. Given its short on the technical reliability aspects , you walk away feeling you have accomplished some serious volume of reading, but still coming out short on reliability justification. A Qualitative Analytical approach, Not a quantitative or theoretical discourse. Having attended this seminar I would recommend a serious read it but follow it up with other books on the introductory concepts of reliability he has mixed throughout his book. Testing it will be a better approach if you can get support from your corporate to go ahead with the proposed principles of testing to failure. Its a hard sell but you have to work it out.
Comments on HALT and HASS book by Hobbs -- This book is a well written but very basic primer on the subject of HALT and HASS. The title is a little misleading since it has little technical connection to vast subject of Reliability Engineering and does not discuss enough details regarding the technical methodology of HALT and HASS testing (only very generic). The book might be used as a first reader for the busy managers that wants a quick read on what HALT and HASS is basically about but should not expect any advanced technical substance from it. The price of the book is far too high for its technical value.
New to Subject -- I am new to HALT testing and was given this book as an introduction to the field. Hobbs does a good job of covering the basics in an understandable and easy to follow manner. At times though I felt like I was learning about a new religion instead of a new scientific method. His descriptions and examples are kept non-technical, presumably to appeal to a wider audience, and as a result they border on unsubstantiated propaganda. Still it is a reasonably good introduction, and as it is the only book on the topic I have read so far, I have no alternative to offer.
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