P16462: Wind Energy Base Station
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Detailed Design

Table of Contents

Team Vision for Detailed Design Phase

Project Plan for Phase V

Project Plan for Phase V

Drawings, Schematics, Flow Charts, Simulations

CAD Part, Assembly, and Drawing files

Parts

Assemblies

Drawings

Mapping of Possible Bridle/Tether Connctions

Bridle to Tether Possible Positions

Bridle to Tether Possible Positions

Shown is where the bridles would come together with the origin [0,0,0] being the COM of the plane, and units in centimeters. There are two bridle strings, one that goes from wing to wing and one sting that connects from the tail to any point along the previous bridle string's length forming the bridle tether connection point. As the bridle connection is moved across the x axis from wing to wing, the connection will be moved parabolically in regards to the z axis. This means, that there are a limited set of positions of bridle connections without changing the actual lengths of the bridle strings themselves.

Bill of Material (BOM)

Bill of Materials - Phase V

Bill of Materials - Phase V

Test Plans

Base Station

Reel Wrap Test

This test's purpose is to ensure the diameter of the ring plate allows for proper tether wrapping around the reel. A testing apparatus is to be constructed using an existing motor structure.

Existing Motor Structure

Existing Motor Structure

A slotted keyhole rod will be constructed in the machine shop to allow the reel used in the base to be attached.
Demonstration of Reel on Motor

Demonstration of Reel on Motor

  1. Needed: Reel apparatus system, ring plate, gloves, 3 people
  2. Have the first person hold the ring plate centrally above the reel and have a second person feed the tether through the hole
  3. The second person will pull the tether out a large amount and position the tether tightly against the hole
  4. Have a third person reel in and out using the battery while the second person rotates the tether in a circle while wearing gloves
  5. Continue the test until the tether tangles or after 50 cycles, make conclusion on ring diameter

Tether Abrasion Test

This test's purpose is to ensure the chamfered radius of the ring plate does not cause wear and tear on the tether.

  1. Needed: Ring plate, piece of tether, stopwatch/timer, 2 people
  2. Cut a piece of tether and feed it through the hole
  3. Have one person hold the ring plate steady and have the second person hold either end of tether (possibly with gloves on)
  4. Rub the tether back and forth in a flossing motion and in different orientations around the hole for 5 minutes
  5. Check the status of the tether, make conclusion on the chamfered radius of the ring
Demonstration of Tether Abrasion Set Up

Demonstration of Tether Abrasion Set Up

Design and Flowcharts

Power Transmission

Power Transmission

Simple connection Diagram for Hardware

Simple connection Diagram for Hardware

Risk Assessment

Risk Management for Phase V

Risk Management for Phase V

Design Review Materials

Detailed Design Review Presentation

Plans for next phase

Individual Contributions
Team Member Detailed Design Phase: What did I actually do? Detailed Design Phase: What did I learn? MSD II Phase I: What will I contribute?
Sarah Collmus
  • Picked out screws in the machine shop with CAD Designer (Aleks)
  • Performed shear stress analysis on base materials
  • Selected a base material
  • Designed tests for validating ring plate design
  • Generated Gate Review documents
  • Sometimes you need to trust in your team to get the job done
  • More mechanical analysis techniques
  • If you don't take initiative, the "group mindset" may set in and prevent progress
  • Build base structural housing in shop with guidance if needed
  • Assist in determining solution to feasible flight path by reading Lloyd paper closely and brainstorming ideas with the team
  • Carry out tests for ring plate design
  • Purchase base plate material
  • Put adjustable legs on CAD drawing
Laura Arciniegas
  • I chose bearings for the power transmission shaft. I called the manufacturer and had some delivered to me as sample tries.
  • I had an expert interview with Dr. Wellin where he helped me with ideas for bearings and suggested a better manufacture for the auxiliary gear that I was looking to purchase.
  • I worked with the reel engineer to make sure that our ideas fit and to some up with ways to mount the reel onto the power shaft.
  • I learned about a technique where you can use the cover from the bearing/ or plastic flange from the plastic bear to glide a collar along.
  • As a group we need to work together more to integrate our system.
  • I will order shielded ball bears if our team does not approve of the Iglide bearings performance.
  • I will come up with test plans for the performance of the power transmission.
  • I will ensure that all parts fit well together and address any issues or areas of improvement.
Kevin Collins
  • I worked to remedy the problems brought up in the last review, specifically using a bridle design that forced the glider to gain/hold altitude while at a bank angle, and also be adjustable in bank angle
  • Used Elliptical geometry to determine available locations of the bridle to tether connection point
  • Assisted others in their projects
  • Continued to programmed foil stress and bridle analysis simulation
  • I learned more about bridle controls
  • Reviewed Eucidean Geometry
  • I need build the bridle system
Aleksandr Kim
  • Find suitable bolts to be used on the base
  • Determine the location of all holes for the various bolts
  • Update CAD models of all the parts and assemblies, also switching to imperial units
  • Create engineering drawings of all parts
  • Create the Purchase forms for all the parts required for MSD II
  • Learned how to better model parts and create drawings
  • Worked with several team members to get a better understanding of the systems they're working with
  • Help machine and assemble parts
  • Assist in completing action items from the DDR (Shear analysis of gear and belt teeth
  • Continue to order parts and provide a systems focus to the team
Michael Ostaszewski
  • Finalized design of reel drum
  • selected a power transmission shaft
  • Worked with power transmission engineer to select timing belt system
  • Found materials for reel and power transmission systems available for purchase
  • Unfortunately, most of the raw materials available are in English units
  • Less machining is usually better
  • Its great to be able to lean on your team members when you need help with something.
  • Obtain parts and begin assembly of the reel system
  • Work with base structure and power transmission engineers to integrate the reel system with the rest of the structure.
Kevin Larkin
  • Found parts for the final user design.
  • Finalized motor controls.
  • Finding a part that fits your need is like finding a piece in a jigsaw puzzle box with 20 different puzzles in it.'
  • Using an ADC and software flags to control a PWM.
  • Circuit protection using diodes.
  • Full build and test of motor controls. Instead of only code from MSP430
  • Help build and support anyone who needs it.
Sukmin Lee
  • Collect all misceellaneous electrical parts for circuit board
  • Finalized the motor that we are going to use
  • Researched and selected battery output converters for extra batteries from P15462 and charger
  • Worked with motor control engineer to build circuit systems
  • Learn how to use circuit lab program to build schematic
  • EE team decided to have backup plan for our circut design and we actually have one
  • It is important to maintain healthy body
  • Completion in build hardware part and test our new motor
  • Check and test motor conditions

MSD I Gate Review Material

Imagine RIT Plan

Shared Vision for MSD II Phase I

Problem Solving Process

Team Critique


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