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EPICS Design Process

EPICS Design Process. Design Process and Project Mgt. Many models and tools Design Process Mechanical Engineering Ullman’s - 6 steps Engineering Your Future 10 steps Different Companies use different models They all use some process

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EPICS Design Process

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  1. EPICS Design Process

  2. Design Process and Project Mgt • Many models and tools • Design Process • Mechanical Engineering • Ullman’s - 6 steps • Engineering Your Future • 10 steps • Different Companies use different models • They all use some process • Avoid “hobbyist approach” and inefficient project progress • EPICS teaches a model that fits community-based designs

  3. EPICS Design Process Six Phases • Problem Identification • Specification Development • Conceptual Design • Detailed Design • Production • Service/Maintenance • Redesign or retirement

  4. Problem Identification Specification Development Redesign Retirement Conceptual Design Detailed Design Service Maintenance Production The EPICS Design Cycle Disposal

  5. EPICS Design Process Six Phases • Problem Identification • Specification Development • Conceptual Design • Detailed Design • Production • Service/Maintenance • Redesign or retirement

  6. Problem Identification • Tasks – • Identify problem • Determine project objectives • Determine motivation for project • Identify outcomes or deliverables • Determine duration of the project • Identify community partner contact • Deliverables - Project Charter

  7. Specification Development • Tasks • Complete users and beneficiaries analysis • Define the customer requirements • Evaluate design constraints • Develop engineering specifications • Compare to benchmark products (prior art) • Determine design targets • Deliverables- Project Specification Document

  8. Conceptual Design • Task • Complete Functional Decomposition of project • Complete Decision Matrix of requirements • Define how users will interact with project • Analyze/evaluate potential solutions • Choose best solution • Deliverables- Project Conceptual Design Report

  9. Detailed Design • Tasks • Complete top down specification/ bottom-up implementation (freeze interfaces) • Analysis/evaluation of project, sub-modules and/or components • Prototyping/proof-of-concept of project, sub-modules and/or components • Field test prototype/get feedback from users • Complete DFMEA analysis of project • Determine what user training is necessary • Deliverables • Project Detailed Design Report • Prototype version of project

  10. Production Phase • Tasks • Complete production version of the project • Complete user manuals/training material • Complete delivery review • Deliverables • Delivered project • Project Delivery Report • Delivery checklist • User manuals

  11. Service/Maintenance Phase • Tasks • Evaluate performance of fielded project • Determine what resources are necessary to support and maintain the project • Deliverables • Fielded Project Report • Redesign or Retirement Decisions

  12. Problem Identification Specification Development Redesign Retirement Conceptual Design Detailed Design Service Maintenance Production The EPICS Design Cycle Disposal

  13. Problem Identification Specification Development Redesign Retirement Conceptual Design Detailed Design Service Maintenance Production Iterations in the Design Process Disposal

  14. Problem Identification Specification Development Redesign Retirement Conceptual Design Detailed Design Service Maintenance Production Iterations in the Design Process Disposal

  15. Problem Identification Specification Development Redesign Retirement Conceptual Design Detailed Design Service Maintenance Production Iterations in the Design Process Disposal

  16. Problem Identification Specification Development Redesign Retirement Conceptual Design Detailed Design Service Maintenance Production Iterations in the Design Process Disposal

  17. Seeking and Selecting Diverge Seek Possibilities Problem Identification Converge Narrow Choices Diverge Seek Possibilities Specification Development Converge Narrow Choices Each phase of the design process has divergent (creative) steps and convergent steps where options are selected

  18. Test Generate Ideas Implement Define Measurable Specifications

  19. Test Generate Ideas Implement Define Measurable Specifications Advancing Go to next phase

  20. Test Generate Ideas Implement Define Measurable Specifications Iterating – going back Back to previous phase

  21. Iteration and testing Prob ID Spec Dev Con Des Det Des Prod Main and serv. • Document • Why advanced • Why interated

  22. Design Record • A design record is a (short) report of an engineering analysis that has been completed regarding your project. • They should be named as follows: • TEAM-PROJECT-SEM-Number (example SLAC-VLM-F04-1). • Example activities recorded in a Design Record: • Circuit simulation • Education materials • CAD modeling of project • Safety calculations • Experimental measurements • Design rational: Why did you choose a particular design approach, algorithm, etc. • Component selection: Why did you choose a particular component? • Sr. Design Students should Author Design Records

  23. Design Decision Table • A table with summarizes design decisions which you have made. • They should reference a Design Record. • Design decisions could include: • Architecture • Algorithms • Tools/Environment • Component selection • Material selection

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