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Week 5

Week 5. MDR Updated Check the website if you have any mission requirement questions!. Timeline. Project Timeline Week 5 - PDR complete by end of week DURING: Evaluation of design alternatives for each phase END: PDR is update to MDR, final design requirements are documented

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Week 5

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  1. Week 5 • MDR Updated • Check the website if you have any mission requirement questions! [Solomon Westerman] [PM]

  2. Timeline • Project Timeline • Week 5 - PDR complete by end of week • DURING: Evaluation of design alternatives for each phase • END: PDR is update to MDR, final design requirements are documented • END: Will have X1 and X2 complete by end of week to satisfy PDR requirements • Week 6-7 – CDR complete by end of week (~3 weeks away) • DURING: Evaluation of design alternatives for each phase (priority). If subsystem has already reached maturity and we are fairly confident of its selection, perform detailed analysis (sub-priority) • END: All design alternatives will have reached maturity • END: “Alternative Design Freeze” - no other alternatives will be able to be analyzed • END: Selection of final configuration • END: Draft writing begins • Week 8-9 – Final Design Freeze at end of week (Spring Break!) • DURING: Detailed analysis on selected mission configuration. Changes to configuration will be made only if serious issues occur. • END: Final mass/power/volume budgets set for all phases • END: Draft writing nearly complete (due Wed. after spring break to PM) • After Spring Break – Crunch time • 2 weeks until your final report due to PM • 2 weeks + weekend until your final slides due to PM

  3. Today • Preliminary scalability analysis (almost) complete (X2) • Have power to focus on alternative designs (X3,X4) • Numbers from X1,X2 analysis will indicate if design changes will benefit system • Separate alternative designs into three levels: • Level 1: Large system change, possibly affecting more than one phase • Level 2: Medium system change, has a > 10% affect on mass, power, volume from X1 or X2 for a particular phase • Level 3: Small system change, < 10% affect on mass, power or volume from X1 or X2 but can make integration simpler, system more reliable, cheaper, etc. • Most promising alternatives for each phase will be listed today • Each level 1 and 2 alternative assigned a POC (Point of Contact) and APOC (Alternative POC) by Phase lead • Each level 3 alternative assigned a POC by Phase lead • Will provide responsibility and set deliverables for POC (can be used for presentation material)

  4. Alternative Design Deliverables (not complete) Order-of-magnitude mass/power/volume savings (kg,W,m^3) Potential complexity/cost/ease of integration savings Complexity of analysis (days to reach maturity) Recommend use for GLXP size? Recommend use for arbitrary payload size?

  5. To-Do • PM • Upload Design Alternative List (by 4:00PM) • Upload Design Alternative form (by tomorrow) • Upload Draft writing expectations (by tomorrow) • Phase Leader • Assign POC to all design alternatives, modifying Design Alternative List (by 8:00 PM) • POC • Complete Design Alternative form (by 6:00PM Monday 2/16)

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