The availability of computing power in vehicles has strongly influenced diagnosis and dependability. Originally, the main driving force came from legislation requiring diagnostic supervision of any malfunctioning component that would increase tail‐pipe emissions by at least 50% – the well‐known on‐board diagnosis (OBD) requirements by the California Air Resource Board (CARB). This chapter begins with definitions and concepts that are central to the area of diagnosis. Then, a brief introduction is given to methods often used in automotive applications. From an engineering point of view, the procedure for developing a diagnosis system consists of five steps, which are described in the chapter. The chapter provides an insight into diagnostics, and shows the interplay between the basic physics, the models, and the possibilities for design by illustrating examples. The diagnosis in automotives has historically evolved from technological developments leading to possibilities for legislation with the purpose of environmental protection.
Diagnosis and Dependability
18.02.2014
54 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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