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IEC 62429

Reliability growth – Stress testing for early failures in unique complex systems

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Organization: IEC
Publication Date: 1 November 2007
Status: active
Page Count: 76
ICS Code (Other standards related to quality): 03.120.99
ICS Code (Quality in general): 03.120.01
scope:

This International Standard gives guidance for reliability growth during final testing or acceptance testing of unique complex systems. It gives guidance on accelerated test conditions and criteria for stopping these tests. "Unique" means that no information exists on similar systems, and the small number of produced systems means that information deducted from the test has limited use for future production.

This standard concerns reliability growth of repairable complex systems consisting of hardware with embedded software. It can be used for describing the procedure for acceptance testing, "running-in", and to ensure that reliability of a delivered system is not compromised by coding errors, workmanship errors or manufacturing errors. It only covers the early failure period of the system life cycle and neither the constant failure period, nor the wear out failure period. It can also be used when a company wants to optimize the duration of internal production testing during manufacturing of prototypes, single systems or small series.

It is applicable mainly to large hardware/software systems, but does not cover large networks, for example telecommunications and power networks, since new parts of such systems cannot usually be isolated during the testing.

It does not cover software tested alone, but the methods can be used during testing of large embedded software programs in operational hardware, when simulated operating loads are used.

It addresses growth testing before or at delivery of a finished system. The testing can therefore take place at the manufacturer's or at the end user's premises.

If the user of a system performs reliability growth by a policy of updating hardware and software with improved versions, this standard can be used to guide the growth process.

This standard covers a wide field of applications, but is not applicable to health or safety aspects of systems.

This standard does not apply to systems that are covered by IEC 62279[39].

Document History

IEC 62429
November 1, 2007
Reliability growth – Stress testing for early failures in unique complex systems
This International Standard gives guidance for reliability growth during final testing or acceptance testing of unique complex systems. It gives guidance on accelerated test conditions and criteria...

References

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