FOREWORD
INTRODUCTION
Clause
1 Scope
2 Normative references
3 Definitions, symbols and abbreviations
3.1 Terms and definitions
3.2 Abbreviations
3.3 Legends for figures
4 General considerations
4.1 Introductory remarks and legal considerations
4.2 Objectives of reliability testing
4.3 Classification of reliability tests
4.3.1 Classification according to general purpose
4.3.2 Classification according to the test place
4.3.3 Classification according to time of
receiving the results
4.4 Statistical test plans
4.5 Test specification
4.6 Utilization of the test result
5 Test categories related to general test purpose
5.1 Compliance testing
5.1.1 Terms used in reliability compliance
testing
5.1.2 Requirements for reliability compliance
testing
5.1.3 Testing for success/failure ratio
5.2 Reliability estimation testing
5.3 Reliability comparison testing
6 Test conditions
6.1 General principles of selecting test conditions
6.2 Pre-test conditions and corrective maintenance
6.3 Specification of operating and environmental
test conditions
6.3.1 Operating conditions
6.3.2 Environmental conditions
6.4 Specification of maintenance conditions
6.4.1 Preventive maintenance
6.4.2 Corrective maintenance
7 Data collection and failure classification
7.1 Monitoring of test item performance
7.1.1 Functional parameters
7.1.2 Measuring method
7.1.3 Monitoring interval
7.2 Failure types
7.2.1 Classes of non-relevant failures
7.2.2 Special classes of failure
7.3 Failure analysis
7.4 Relevant test time
8 Test data analysis
8.1 Non-repaired items
8.2 Repaired items
8.3 Failure data structures (censoring)
8.4 Failure models
8.4.1 Statistical nature
8.4.2 Failure rate
8.4.3 Failure intensity
8.4.4 Concluding remarks
9 Statistical tools and analysis procedure
9.1 Description of tools
9.2 Description of the relationship between tools
9.3 Analysis procedure
9.4 Final conclusions and possible action to be
taken
9.4.1 Acceptance
9.4.2 Conditional acceptance
9.4.3 Rejection
10 Reporting
10.1 Test logs and data records
10.2 Recording of test conditions and observations
10.3 Failure reports
10.3.1 From the test operator
10.3.2 From the repair personnel
10.3.3 From the failure analysis personnel
10.4 Failure summary record
10.5 Failed replacement items and spare part
inventory (optional)
10.6 Final report
Annex A (informative) Data screening
Annex B (informative) General examples
Annex C (informative) Relationship between the
existing IEC 60605 series and the new
statistical tools
Bibliography