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Concepts of Planning & Designing PowerPoint PPT Presentation


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Concepts of Planning & Designing. Tahiem Williams Science Undergraduate Laboratory Internship. August 14, 2008. Overview. Objective Introduction Background Information Procedure Data/Observation Results Conclusion Acknowledgements. Objective. 30ft Ladder Evaluation

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Concepts of Planning & Designing

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Concepts of planning designing l.jpg

Concepts of Planning & Designing

Tahiem Williams

Science Undergraduate Laboratory Internship

August 14, 2008


Overview l.jpg

Overview

  • Objective

  • Introduction

  • Background Information

  • Procedure

  • Data/Observation

  • Results

  • Conclusion

  • Acknowledgements


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Objective

  • 30ft Ladder Evaluation

    • Relocate 6 inches from the wall

12” Steel Rod


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Objective

  • Surveillance Camera Design

  • Brainstorm ideas for Radio Frequency (RF) Distribution Structure


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Introduction

  • The Phases of Design

    • Recognition of need

    • Definition of problem

    • Synthesis

    • Analysis and optimization

    • Evaluation

    • Presentation

      • Oral

      • Writing

      • Graphical


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Background Information

  • Ladder Evaluation

    • Weight

    • Density of Steel:


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Background Information Cont.

  • Shear Stress – stress applied parallel to the face of a material

    • - the applied force

    • - area to which the force is applied

  • Moment of Inertia – rotational analog of mass

    • - the diameter


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    Background Information Cont.

    • Maximum Deflection

      • - the elasticity of the material

      • - the length

  • Bending Stress

    • - the moment of fixed ends

    • - the perpendicular

      distance to the

      neutral axis


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    Procedure

    • Surveillance Camera Design

      • Excel Spreadsheet

        • Presented to others

      • Installation

    • Radio Frequency Structure

      • Aluminum Sheets

        • Measured sections of RF

        • Drew Sketches

          • Sent to machine shop

        • Installed


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    Data/Observations

    • Surveillance Camera Design


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    Results

    • Ladder Evaluation


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    Results

    • Surveillance Camera Design

      • End Station A

        • Ethernet Crossover Cord

          • Same function as Straight-through Ethernet Cord


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    Results

    • Radio Frequency Distribution Structure

      • Aluminum Sheets


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    Conclusion

    • Ladder Evaluation

      • Ultimate Stress of Steel:

        • L – Brackets were installed to relieve stress

    L-Bracket


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    Conclusion

    • Surveillance Camera

      • End Station A


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    Conclusion

    • Radio Frequency Structure


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    Acknowledgements

    • Department of Energy, Office of Science

    • Science Undergraduate Laboratory Internship

      • Stephen Rock

      • Farah Rahbar

      • Susan Schultz

    • Stanford Linear Accelerator Center

      • Mentor: Bobby McKee


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    References

    • Joseph E. Shigley, Mechanical Engineering Design, Second ed. , St. Louis: McGraw-Hill Book Company, 1963.

    • A. Johnson and K.Sherwin, Foundations of Mechanical Engineering, First ed. , Oxford: Alden Press, 1996.

    • lamswww.epfl.ch/.../bpmds08/processlifecycle.jpg


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