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Single Line Tethered Glider

Single Line Tethered Glider. System Level Design Review. Team P14462. Kyle Ball Matthew Douglas William Charlock. Jon Erbelding Paul Grossi Sajid Subhani. Team Introduction. Agenda. Project Description Review Customer Needs Review Customer Requirements Review

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Single Line Tethered Glider

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  1. Single Line Tethered Glider System Level Design Review Team P14462 Kyle Ball Matthew Douglas William Charlock Jon Erbelding Paul Grossi Sajid Subhani

  2. Team Introduction

  3. Agenda • Project Description Review • Customer Needs Review • Customer Requirements Review • Functional Decomposition • Concept Development • Concept Comparison • Data Collection Architecture • Risk Assessment • Project Planning • Work Breakdown Structure

  4. Project Description • Goal: Design, build, and test a tethered, small-scale, human-controlled glider. • Critical Project Objectives: • Maintain maximum tension on the tether • Sustaining horizontal and vertical flight paths • Measure and record tether tension and position • Understand the influential parameters for sustained, tethered, unpowered flight Glider Tether Base Station Operator w/ controller

  5. Customer Requirements

  6. Engineering Requirements Yellow: Major design Biege: DAQ Grey: Test flight White: System environment

  7. Functional Decomposition

  8. Functional Decomposition

  9. Functional Decomposition

  10. Functional Decomposition

  11. Concept Development • Gliders • Buy an RC glider • Design and build an RC glider • Measurement Devices on Base Station • Buy a 3-axis Load Cell • Build Load Cell from three 1-axis Load Cells • GPS with Force Gauge • Resistance Gyro with Force Gauge • IMU with 1-axis Load Cell

  12. Art’s Plane • Sustained multiple damages • Gained crash experience • Possible tethered flight concept tests • Salvage parts • Sorry Art 

  13. Glider Concepts

  14. Buy Glider Pros: • Pre-Engineered to Fly • Can purchase spare parts • Fast shipping • Modifiable Cons: • Not guaranteed to fly with tether • Expensive • Limited modifications

  15. Benchmarking (Buy) Bixler 2 Sky Eye Airwing WingSurfer Phoenix 2000

  16. Build Glider Pros: • Can optimize plane for tethered flight • Build spare sparts • Resources available Cons: • Not guaranteed to fly • Requires time to build • Complex • Hard to balance • Could become expensive if mistakes are made

  17. Benchmarking (Build) • Experimental Airlines tutorials (Photon Model as baseline) • Custom/interchangable design (wing, fuselage, rudder, etc.) • ~$80 - $100 (~50%-70% “1 time cost”)

  18. Measurement Concepts

  19. Force Gauge and Resistance Gyro Pros: • Innovative Cons: • Expensive • Complex Data • Internal Turbulence • Requires current line on tether • Difficult to calibrate • Difficult to set up

  20. 3 Single-Axis Load Cells Pros: • Can repair individual components • Accurate • Cheap Components Cons: • Difficult to calibrate • Potential for noisy data

  21. 3-Axis Load Cell Pros: • Accurate • Precalibrated • Intuitive Setup Cons: • Expensive

  22. IMU Board and 1-Axis Load Cell Pros: • Provides accurate position and orientation data Cons: • Requires noise filtering • Difficult to calibrate • IMU system would be on glider

  23. Force Gauge and GPS Pros: • Digital Data • Accurate force measure Cons: • Expensive • GPS on glider changes weight • Difficult to calibrate • Difficult to set up • Innacurate position

  24. 2 Potentiometers and 1-Axis Load Cell Pros • Inexpensive • Accurate angles Cons • Easily breakable • Require precise machining

  25. Pugh Diagram – Base Station

  26. Pugh Diagram – Base Station

  27. Top 3 System Concepts IMU with Single Axis Load Cell 3 Single Axis Load Cell 2 Potentiometers with Single Axis Load Cell

  28. Data Collection Architecture • Data acquisition: LabVIEW or Arduino • Storage: SD Card or Laptop Data Collection Requirements:

  29. Preliminary Budget Outline Purchase Price ($) Glider Glider 100 Receiver 60 Battery x2 40 Base Station Materials 100 Electronics 100 Total 400 Remaining (For Mistakes and Repairs) 100

  30. Risk Assessment (Full)

  31. Risk Assessment (High Risk)

  32. Project Planning

  33. Project Planning

  34. Work Breakdown Structure • Paul: Glider Dynamics & IMU Implementation • Jon: Glider Dynamics & Load Cell Implementation • Kyle: EDGE & Load Cell Implementation / Base Station Construction • Matt: Glider Dynamics, Purchased Gliders Analysis & Potentiometer Implementation • Saj: DOE Research & Team Management • Bill: Built Glider Analysis & DAQ

  35. Questions?

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