Properties of the System Elements RELIABILITY (AVAILABILITY) PERFORMANCE COST R R R.

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Presentation transcript:

Properties of the System Elements RELIABILITY (AVAILABILITY) PERFORMANCE COST R R R

TWO TYPES OF RELIABILITY OPTIMIZATION PROBLEMS R MAX | COST < C* COST MIN | R > R* R

Genetic Algorithm (Evolving Solutions) (Estimating Solution Fitness) Universal Moment Generating Function Technique Multi-state System Reliability Optimization Tools

STRUCTURE OPTIMIZATION Homogeneous series-parallel structures Nonhomogeneous series- parallel structures Expansion for reliability (performance) enhancement Available equipment

Classical k-out-of-n R Performance based analysis STRUCTURE OPTIMIZATION

MAINTENANCE OPTIMIZATION Optimal maintenance schedule Redundancy Vs Maintenance

Maintenance of System Element f T/n Element Failure Rate A n t p t c Availability Mnt. Time Mnt. Cost

Demand Multistage System Modification t

Demand Increase Expansion Modification System Modernization AG Reliability Requirement Increase 1 Modernization of Technical Systems Structure Change Availability Change Performance Change