ДСТУ EN IEC 61123:2022 Испытания на надежность. Планы испытаний на соответствие коэффициенту успеха (EN IEC 61123:2020, IDT; IEC 61123:2019, IDT)



ДСТУ EN IEC 61123:2022
(EN IEC 61123:2020, IDT; IEC 61123:2019, IDT)

Випробування на надійність. Плани випробувань
на відповідність коефіцієнту успіху

 
   
 
 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

CONTENTS

FOREWORD

INTRODUCTION

1 Scope

2 Normative references

3 Terms, definitions, abbreviated terms and symbols

3.1 Terms and definitions

3.2 Abbreviated terms and symbols

4 General requirements and area of application

4.1 Reliability requirement

4.2 Repair and replacement

4.3 Types of test plans

4.3.1 General

4.3.2 Features of the test plan types

4.4 General test procedure

4.5 General decision criteria

5 Truncated sequential probability ratio test plans (SPRT)

5.1 Characteristics

5.2 Decision criteria

5.3 Operating characteristic curve (OC)

5.4 Expected number of trials to decision (ENT)

6 Fixed trial/failure terminated test plans (FTFT)

6.1 Characteristics

6.2 Decision criteria

7 Design of fixed trial/failure terminated test plans

7.1 Characteristics

7.2 Approach

7.3 Common case

7.4 Other cases

7.5 Example of application

7.6 Procedure to determine D and c or n and c

7.7 Decision criteria

Annex A (informative) Additional information on sequential test plans

Annex B (informative) Design of fixed trial/failure terminated test plans - Examples

Annex C (informative) Design of fixed trial/failure terminated test plans - Mathematical procedures and formulas

Annex D (normative) Truncated sequential test plans

Annex E (informative) Design of fixed trial/failure terminated test plans - Figures and tables to determine D and C or n and c

Bibliography