Downloaded from https://www.everyspec.com AW.P 706-107 )TABLE OF CONTENTS Paragrah Pp 6-3.3 Derivation of a Relabiity Diagram ............. 6-23 6-3.4 Mathematical lN-rivation of a Reliability Diagram ..... 6-27 6-3.4.1 Basic Concepts ....................... 6-27 6-3.4.2 A Complex Example ................... 6-28 6-3.4.3 Reliability Models for Maintained Systems ........ .6-32 6-3.4.3.1 Example No. 'A (Fig. 6-2 .................... 6-32 6-3.4.3.2 Example No. 2 (Fig. 6-24) .................. 6-34 6-4 Other lModels ........... .................. .6-34 CHAPTER 7. KINDS OF REDUNDANCY AND REPAIR 7-1 Introduction ........................... 7-1 7-2 Knowledge of System State ..................
7-1 7-3 System Level for Reduniciny Application ........... 7-2 7-4 Method of Switching ........................ 7-2 7-5 Failure Behavior of Spares and Other Parts ........... 7-3 7-6 Styles of Redundancy ........................ 7-3 7-6.1 k-Out-of.n-Systems ........................ 74 7-6.2 Voting Techniques .......................... 7-4 7-6.3 Other Systems ........................... 7-4 CHAPTER 8. RELIABILITY PREDICTION (PASSIVE REDUNDANCY, PERFECT SWITCHING) 8-1 Introduction .............................. 8-1 8-2 k-Out-of-n-Systems . ..................... 8-1 8-3 Combinations of Series-Parallel Elements ........... 8-2 8-4 Event Analysis .........................
8-2 8-5 Cut Sets ............................ 8-4 8-6 Majority Voting ........................ 8-5 CHAPTER 9. RELIABILITY PREDICTION (TIME DEPENDENT) 9-0 List of Symbols ............................ 9-1 9-1 Introduction .............................. 9-1 9-2 Measures of Reliability ........................ 9-1 9-3 The Exponential Distribution ................... 9-1 9-3.1 Reliability Improvement ...................... 9-2 9-3.2 Redundancy Versus Improved Elements ............ 9-2 9-4 The s-Normal Distribution . ............... .9-3 9-5 Other Configurations ......................... 9-3 9-6 s.Dependent Failure Probabilities ................. 9-7 9-7 Standby Redundancy ........................
9-9 9-7.1 Switching Failures ................... .... 9-10 9-7.2 Optimum Design: General Model ............... 9-10 9-8 Active Verus Standby Redundancy ............... 9-12 9-9 Maintenance Considerations . 1., , ...... . .. . 9-12 9-9.1 Periodic Maintenance ...................... 9-13 9-9.2 Corrective Maintenance ......... ........ 9-15