A lifecycle approach to design validation is it necessary? Is it feasible?

  • Authors:
  • Susana Stoica

  • Affiliations:
  • -

  • Venue:
  • ITC '98 Proceedings of the 1998 IEEE International Test Conference
  • Year:
  • 1998

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Abstract

Due to the ever increasing complexity of car electronics(see Figure 1.), the automotive industry is challenged byserious test problems. These problems no longer can besolved using ad-hoc test approaches, hence the industry isdriven toward finding new strategies for test, strategies that candeal with the increased complexity land at the same time keepthe product costs at a reasonable level.This paper is proposing a test strategy that can satisfy theconditions stated above. It is based on optimizing the testsperformed on vehicle electronics from a lifecycle testperspective, i.e. by optimizing the tests performed at eachintegration level from an overall DV perspective. The paperalso discusses the feasibility of such an approach from testcoverage point of view and states the reasons for such a view.The paper also presents a test methodology that wassuccessfully applied at Ford Motor Company and which cancover all the stages of product development. This methodologyis currently in use at Ford for all stages of product validation.