4. Integrated life-cycle analysis
The integrated life-cycle analysis considers the combination of the chosen design options of the four engineering systems from the previous assignment. For that, common design parameters were identified, and the individual life-cycle inventories are combined. The environmental impact assessment was extended by an assessment of the cost associated with the impact on the environment. The maintenance interventions specified during the integrated maintenance planning are explicitly considered in the analysis.
4.1 Design parameters
The design parameter for the life-cycle assessment of the integrated system are described.
4.2 Cost
To include the costs into the life-cycle analysis, the costs for the design parameters are assessed.
4.3 Integrated life-cycle inventory
For an integrated assessment of the four sub-systems the individual life-cycle inventories are combined into one.
4.4 Life-cycle analysis results
The results of the life-cycle analysis are presented and analyzed.
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Integrated maintenance plan by multi-objective optimization