Towards a general test presentation in the test sequencing problem
Alenka Žužek, Anton Biasizzo, Franc Novak · 1996
In this paper we propose an approach to a general test presentation that covers the situations with multiple test outcomes, noiseless tests and unreliable (noisy) tests as the input data for the solutions of the test sequencing problem. Symptomatic information and modular diagnosis are also easily included within the same frame. An example is given to illustrate the proposed approach. 1 Introduction Most of the earlier papers on sequential diagnosis assumed symmetrical tests with only two possible outcomes: pass or fail. However, diagnostic tests used in the practical field maintenance may have quite different properties. In reality, a test may have an arbitrary number of possible outcomes. Its application may yield a deterministic response dividing the set of candidate faulty system states into two or more distinguishable sets, or may exhibit some degree of unreliability (i.e., for a given failure the outcome of the test is unpredictable). The first alternative, also referred to as ...