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3 Systems Analysis
Pages 54-58

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From page 54...
... Working with the other PNGV technical teams, the systems-analysis team's objective is to provide analytical support for defining requirements. Analytical support facilitates the evaluation of competing technologies and vehicle concepts, as well as the timely selection of overall vehicle concepts for meeting the Goal 3 objectives.
From page 55...
... Although the systems-analysis team has made provisions for incorporating cost modeling and reliability analysis into its simulation, cost modeling and reliability analyses are not being used effectively by the PNGV management or technical teams. Because vehicle affordability is a major issue, an early understanding of the key issues influencing cost is vital for overcoming cost problems and selecting alternative designs.
From page 56...
... (Matlab GUI) implement support contracts PNGVSAT V.2.2 develop more refined component models develop data to validate and populate models upgrade optimization and control PNGVSAT V.2.3 develop voltage bus-based software tools (equivalent circuit models, new control algorithms)
From page 57...
... The second-generation vehicle model has already been created, but essential validation has not been done. The USCAR partners are progressing with the designs of their concept vehicles and are effectively using proprietary sophisticated vehicle, subsystem, and component models.
From page 58...
... The allocation of total vehicle cost among the various subsystems and components should be redone in light of development experience of the last five years to ensure that the cost targets, which have remained relatively static, are realistic.


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