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Multidisciplinary Senior Design Team 10662 ACTION ITEMS FOR MSD2 (Or MSD1.5 Project Plan) 1. Manufacturing plan a. Assembly Instructions for Chassis 2. Figure out testing desired from testing and get approval for testing. 3. Environmental Management a. To be completed by week 2 of MSD 2 b. Complete Heat model that includes selected hard drive i. Resources available for inclusion in model 1. Selected hard drive power requirements 2. Selected hard drive geometry 3. Current radiation + conduction model 4. Geometry and material properties of enclosure 5. Microsoft office ii. Actions required 1. Current radiation + conduction model (in notebook) taken out of variable form and solved using: a. a range of specific power requirements of the chosen drive b. geometry of selected drive c. Documentation produced to convey findings iii. Time required: 8-15 hours c. Add conductive heat transfer model to electronics stack i. Resources available for inclusion in model 1. Power requirements of system 2. Geometry of boards/board mounts/enclosure 3. Current radiation + conduction model 4. material properties of board mounts /enclosure 5. Microsoft office ii. Actions required 1. Select conductive technique specifics a. Geometries b. Materials 2. Current radiation + conduction model (in notebook) taken out of variable form and solved using MSD2 Action Items 1 of 5 Multidisciplinary Senior Design Team 10662 a. Power requirements of system (including hard drive) b. Geometries of system (including conductive technique(s)) 3. Refine selected conductive techniques to reflect findings from model 4. Documentation produced to convey findings iii. Time required: 25-30 hours 4. Vibratory Analysis a. To be completed Prior to start of MSD 2: February 26, 2010 b. Finalize mathematical model of PCB flexure i. Resources Available 1. Pete Hammond, Lightforce Tech. 2. Bill Kent, GeoSpatial Systems 3. Microsoft Excel 4. Textbook article on subject of PCB vibration ii. Actions Required 1. Finalize current iteration of mathematical model 2. Consult with industry human resources a. Is model accurate/consistent? b. Are assumptions valid? c. How does my analysis compare to the ones they typically perform? d. How would they advise I change my analysis? 3. Update analysis to reflect input 4. Write up report of analysis iii. Time Required: 1-2 Weeks c. Choose Appropriate Damping Hardware i. Resources Available 1. Pete Hammond, Lightforce Tech. 2. Bill Kent, GeoSpatial Systems 3. Manufacturer’s technical data on Sorbothane damping material ii. Actions Required 1. Discern, based on PCB Flexure model, how much damping is necessary, if any. 2. Discuss results of (1) with industry consultants, seek information as to other factors in damper selection MSD2 Action Items 2 of 5 Multidisciplinary Senior Design Team 10662 3. Choose appropriate damping hardware 4. Adjust SolidWorks model and BOM to incorporating damping hardware iii. Time Required: 1-2 Weeks 5. Mechanical Design a. To be completed Prior to start of MSD 2: December 11, 2009 b. Adjust SolidWorks models and Bill of Material to reflect final thermal and vibratory analyses i. Resources Available 1. SolidWorks 2009 Software 2. Vibratory analysis 3. Thermal Analysis ii. Actions Required 1. Make any changes to solid models to reflect needs of analyses 2. Update manufacturing drawings, correct software errors, edit for clarity and completeness iii. Time Required: 3-4 Hours c. Peer review of manufacturing drawings i. Resources Available 1. MSD Project group members 2. Dear ol’ Dad (a machinist with 30+ years of experience in industry) ii. Actions Required 1. Submit drawings to resource personnel 2. Field questions and concerns presented by said personnel iii. Time Required: 2-3 Days d. Customer review of manufacturing drawings i. Resources Available 1. Kevin Kearney (D3) 2. Scott Reardon (D3) ii. Actions Required 1. Submit drawings to resource personnel 2. Field questions and concerns presented by said personnel iii. Time Required: 3-4 Days e. Adjust SolidWorks models and Bill of Material in light of feedback from parts (c) and (d) MSD2 Action Items 3 of 5 Multidisciplinary Senior Design Team 10662 i. Resources Available 1. SolidWorks Software ii. Actions Required 1. Make any changes to solid models to reflect input from advisement 2. Update manufacturing drawings, correct software errors, edit for clarity and completeness iii. Time Required: 5-6 Hours 6. Electrical Design a. DC-DC Power Converter i. Resources Available 1. MSD project group members 2. LTspice IV software (needed to actually simulate power regulators and power monitor circuitry) 3. OrCAD Software 4. Scott Reardon (D3) ii. Actions Required 1. Tweak existing voltage regulator designs such that output produced will satisfy current demands and voltage stability requirements. This should mostly involve selecting more ideal capacitor and inductor values 2. Finalize design of power monitoring circuitry 3. Finalize selection of actual components to be used and enter into Bill of Materials. iii. Time Required: 1-2 Weeks b. Connector Board i. Resources Available 1. MSD project group members 2. OrCAD Software 3. Scott Reardon (D3) ii. Actions Required 1. Ensure that circuit elements for power are consistent with final power design 2. Finalize selection of actual components to be used and enter into Bill of Materials MSD2 Action Items 4 of 5 Multidisciplinary Senior Design Team 10662 iii. Time required: 2-3 Days MSD2 Action Items 5 of 5