1. Need and necessity
1.1 Product development history
1.1.1 Awareness of the need for reliability
The need for a doctrine, methods and means to improve product reliability has been apparent for just over a quarter of a century. The first observations on the inability of industrial products to perform the functions they were intended to fulfil for a sufficient period of time date back to the Second World War.
A few examples from this period: H2S airborne radars, which functioned very unevenly; liberty ships, where...
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Need and necessity
Theoretical elements
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