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Forum: Reliability & Maintainability Questions and Answers

Topic: Reliability & Maintainability Questions and Answers

Topic Posted by: Reliability & Maintainability Forum ( )
Organization: System Reliability Center
Date Posted: Mon Aug 31 12:47:36 US/Eastern 1998

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Posted by: Carl Jiang
Organization:John Deere
Date posted: Fri Jun 8 16:20:45 US/Eastern 2001
Subject: HALT on Controllers
Does any body have experience on conduction HALT on controllers (electronic control units used on automotives and construction equipment)? What stresses are used? How to monitor the functions of controller and how to detect the failure? Thanks.


Subject: Halt Testing, Controllers
Reply Posted by: Bruce Dudley ( )
Organization: Reliability Analysis Center
Date Posted: Mon Jun 11 10:45:57 US/Eastern 2001
The primary stress conditions that could be considered as test parameters include: temperature, humidity, vibration and shock. Monitoring the test requires the application of test equipment and power to the module. Specific levels of acceptable performance have to be determined from the user needs and the design parameters. HALT is a relatively new concept by technology standards. One book that may help is by Gregg Hobbs. The information for the book is as follows: Accelerated Reliability Engineering: Halt And Hass By: Editor Hobbs, Gregg K., John Wiley & Sons, Inc. ISBN: 047197966X There are also many published articles. Visiting and searching on HALT will provide many references. A couple web sites to visit are: and

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