Читать книгу System Reliability Theory - Marvin Rausand - Страница 150
Example 3.11 (Airbag system in a car)
ОглавлениеA new car model was launched and a person driving such a car crashed into another car. The airbags did not operate as intended and the driver was critically injured. After the accident, it was found that the airbag system was not correctly installed. Later, it was found that the same error was made for all cars of the same type. The airbag failure was due to a systematic cause and all the cars of the same type had the same systematic fault. All these cars had to be recalled for repair and modification. There was nothing wrong with the airbag system as such and the airbag system manufacturer could not be blamed for the accident (unless the installation instructions were misleading or ambiguous). The car manufacturer had to cover the consequences of the failure. For drivers and passengers, the cause of the failure does not matter. A systematic failure has the same consequences as a primary (random hardware) failure.