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Robot Hand Mechanics

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    • Memo 6: Evan Coombs
    • SSR Memo: Bryan Adams, Rob Poulsen
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  • Bryan Adams |
    • Bryan’s Wiki Report
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    • Evan’s Wiki Report
  • Tyson Skinner |
    • | Tyson’s Wiki Report
  • Rob Poulsen |
    • Rob’s Wiki Report

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RobotHandMechanics/
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Project Proposal-2005/2006

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Project Advisor: Dr. Mascaro

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  • Some potential problems that may arise during the duration of the project could include: maintaining an accurate and consistent muscle and finger interface, further reducing the overall size parameters and developing proper joint relation. Considering the many difficulties associated with designing a robotic hand, the project will be consistently modified and revaluated to achieve the project goals.

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  • Some potential problems that may arise during the duration of the project could include: maintaining an accurate and consistent muscle and finger interface, further reducing the overall size parameters and developing proper joint relation. Considering the many difficulties associated with designing a robotic hand, the project will be consistently modified and revaluated to achieve the project goals.
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1. Replicate the form and function of the human hand. \\

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  • Replicate the form and function of the human hand.
  • Design an effective interface for applying SMA wire to a mechanical finger.
  • Reduce the current interface dimensions to allow for the combination of multiple mechanical fingers.
  • Allow safe operation of the robotic hand in and around humans.
  • Explore the application of the robotic hand as a prosthetic device.

Project Summary

  • The purpose of this project is to replicate the muscle tendon system in a human hand by using Shape Memory Alloy (SMA). To model the motion of muscle fibers contraction or extension the SMA length must be changed. In order to change the length of the SMA wire, it must be heated or cooled. There are two possible ways of heating the wire, applying an electric current or submerging the wire in hot water. The previous senior design team had determined that the wire could not be controlled accurately by heating the wire with electrical current, so a system was devised to heat the SMA wire using hot water. The next issue that needed to be addressed was the return of the SMA wire to its original length. The previous design team had not researched an adequate solution to this issue.
  • The focus of this design team will be to refine and improve the specific application of the previous design teams’ contributions. These include performing additional dynamic analysis of individual phalange motion, designing and constructing a new and improved robot finger to be incorporated into a fully developed hand assembly, and incorporating extension and flexion into the muscle finger interface. The interface and the SMA actuator used to introduce hot water to the SMA wire, designed by the previous team, will be further refined. The goal of this refinement will be to increase the range of motion, redesign the current finger design, combine multiple fingers into a full hand assembly and refine the actuating system.
  • Some potential problems that may arise during the duration of the project could include: maintaining an accurate and consistent muscle and finger interface, further reducing the overall size parameters and developing proper joint relation. Considering the many difficulties associated with designing a robotic hand, the project will be consistently modified and revaluated to achieve the project goals.\\
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 2. Design an effective interface for applying SMA wire to a mechanical finger.

3. Reduce the current interface dimensions to allow for the combination of multiple mechanical fingers.

4. Allow safe operation of the robotic hand in and around humans.

5. Explore the application of the robotic hand as a prosthetic device.

Project Summary

The purpose of this project is to replicate the muscle tendon system in a human hand by using Shape Memory Alloy (SMA). To model the motion of muscle fibers contraction or extension the SMA length must be changed. In order to change the length of the SMA wire, it must be heated or cooled. There are two possible ways of heating the wire, applying an electric current or submerging the wire in hot water. The previous senior design team had determined that the wire could not be controlled accurately by heating the wire with electrical current, so a system was devised to heat the SMA wire using hot water. The next issue that needed to be addressed was the return of the SMA wire to its original length. The previous design team had not researched an adequate solution to this issue.

The focus of this design team will be to refine and improve the specific application of the previous design teams’ contributions. These include performing additional dynamic analysis of individual phalange motion, designing and constructing a new and improved robot finger to be incorporated into a fully developed hand assembly, and incorporating extension and flexion into the muscle finger interface. The interface and the SMA actuator used to introduce hot water to the SMA wire, designed by the previous team, will be further refined. The goal of this refinement will be to increase the range of motion, redesign the current finger design, combine multiple fingers into a full hand assembly and refine the actuating system.

Some potential problems that may arise during the duration of the project could include: maintaining an accurate and consistent muscle and finger interface, further reducing the overall size parameters and developing proper joint relation. Considering the many difficulties associated with designing a robotic hand, the project will be consistently modified and revaluated to achieve the project goals.

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Rob Poulsen.

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yeah

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The purpose of this project is to replicate the muscle tendon system in a human hand by using Shape Memory Alloy (SMA). To model the motion of muscle fibers contraction or extension the SMA length must be changed. In order to change the length of the SMA wire, it must be heated or cooled. There are two possible ways of heating the wire, applying an electric current or submerging the wire in hot water. The previous senior design team had determined that the wire could not be controlled accurately by heating the wire with electrical current, so a system was devised to heat the SMA wire using hot water. The next issue that needed to be addressed was the return of the SMA wire to its original length. The previous design team had not researched an adequate solution to this issue.

The focus of this design team will be to refine and improve the specific application of the previous design teams’ contributions. These include performing additional dynamic analysis of individual phalange motion, designing and constructing a new and improved robot finger to be incorporated into a fully developed hand assembly, and incorporating extension and flexion into the muscle finger interface. The interface and the SMA actuator used to introduce hot water to the SMA wire, designed by the previous team, will be further refined. The goal of this refinement will be to increase the range of motion, redesign the current finger design, combine multiple fingers into a full hand assembly and refine the actuating system.

Some potential problems that may arise during the duration of the project could include: maintaining an accurate and consistent muscle and finger interface, further reducing the overall size parameters and developing proper joint relation. Considering the many difficulties associated with designing a robotic hand, the project will be consistently modified and revaluated to achieve the project goals.

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The senior project requires the design of a vehicle that addresses engineering problems similar to problems faced by the original MoonBuggy Team. These include functionality, drive type, safety, assembly and disassembly requirements. The Annual Great MoonBuggy Team Race sponsored by NASA is held in Huntsville Alabama each spring.

Each MoonBuggy Team is required to carry two students, one male and one female for the duration of the course. This course consists of approximately one half mile of lunar surface composed of craters, rocks, lava, inclines and “lunar” soil. The MoonBuggy design team consists of six students who design, build, and compete using the final product.

During the competition the two riders are required to carry the MoonBuggy Team disassembled to the starting line within a 4’ x 4’ x 4’ volume, mimicking the requirements of the original lunar roving vehicle. At the starting line the MoonBuggy Team will be assembled, tested for safety and setup for course testing. At this point the design team will be evaluated on the time required to safely traverse the course. Each team is allowed two runs through the “lunar” terrain and the shortest time will be added to the assembly time for a total time for this competition.

The completed MoonBuggy Team will be evaluated on functionality separate from the race. This evaluation will examine the technical approach used to solve the engineering problem of navigating the lunar course and not the time needed to traverse the course. Awards will also be given for most unique, most improved and system safety award.

This senior design project gives the design team the opportunity to design, test, built and race a human powered MoonBuggy Team. During this process the design team will encounter the same constraints and design issues encountered by the first lunar roving vehicle.

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yeah

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Team members are (from left to right)Robbie Poulsen, Tyson Skinner,

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Team members are (from left to right)Bryan Adams, Tyson Skinner,

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Bryan Adams,.

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Robbie Poulsen.

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Team members are (from left to right)Bryan Adams, Evan Coombs, Tyson Skinner, Robbie Poulsen.

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Team members are (from left to right)Robbie Poulsen, Tyson Skinner, Evan Coombs, Bryan Adams,.

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 3. Reduce the current interface dimensions to allow for the combination of multiple mechanical fingers, thus creating a robotic hand. \\
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 3. Reduce the current interface dimensions to allow for the combination of multiple mechanical fingers.\\
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Robots Rule\\

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‘’‘ROBOTIC HAND: MECHANICAL\\

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1. Replicate the form and function of the human hand. \\

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    \\
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\\

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Robots Rule\\

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Robots Rule

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  1. Replicate the form and function of the human hand. \\ #Design an effective interface for applying SMA wire to a mechanical finger.\\ #Reduce the current interface dimensions to allow for the combination of multiple mechanical fingers, thus creating a robotic hand. \\#Allow safe operation of the robotic hand in and around humans. \\#Explore the application of the robotic hand as a prosthetic device.

Project Summary

The senior project requires the design of a vehicle that addresses engineering problems similar to problems faced by the original MoonBuggy Team. These include functionality, drive type, safety, assembly and disassembly requirements. The Annual Great MoonBuggy Team Race sponsored by NASA is held in Huntsville Alabama each spring. \\

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  1. Replicate the form and function of the human hand. \\
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Each MoonBuggy Team is required to carry two students, one male and one female for the duration of the course. This course consists of approximately one half mile of lunar surface composed of craters, rocks, lava, inclines and “lunar” soil. The MoonBuggy design team consists of six students who design, build, and compete using the final product.\\

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 2. Design an effective interface for applying SMA wire to a mechanical finger.\\
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During the competition the two riders are required to carry the MoonBuggy Team disassembled to the starting line within a 4’ x 4’ x 4’ volume, mimicking the requirements of the original lunar roving vehicle. At the starting line the MoonBuggy Team will be assembled, tested for safety and setup for course testing. At this point the design team will be evaluated on the time required to safely traverse the course. Each team is allowed two runs through the “lunar” terrain and the shortest time will be added to the assembly time for a total time for this competition.\\

to:
 3. Reduce the current interface dimensions to allow for the combination of multiple mechanical fingers, thus creating a robotic hand. \\
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The completed MoonBuggy Team will be evaluated on functionality separate from the race. This evaluation will examine the technical approach used to solve the engineering problem of navigating the lunar course and not the time needed to traverse the course. Awards will also be given for most unique, most improved and system safety award.\\

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4. Allow safe operation of the robotic hand in and around humans. \\

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5. Explore the application of the robotic hand as a prosthetic device.

Project Summary

The senior project requires the design of a vehicle that addresses engineering problems similar to problems faced by the original MoonBuggy Team. These include functionality, drive type, safety, assembly and disassembly requirements. The Annual Great MoonBuggy Team Race sponsored by NASA is held in Huntsville Alabama each spring.

Each MoonBuggy Team is required to carry two students, one male and one female for the duration of the course. This course consists of approximately one half mile of lunar surface composed of craters, rocks, lava, inclines and “lunar” soil. The MoonBuggy design team consists of six students who design, build, and compete using the final product.

During the competition the two riders are required to carry the MoonBuggy Team disassembled to the starting line within a 4’ x 4’ x 4’ volume, mimicking the requirements of the original lunar roving vehicle. At the starting line the MoonBuggy Team will be assembled, tested for safety and setup for course testing. At this point the design team will be evaluated on the time required to safely traverse the course. Each team is allowed two runs through the “lunar” terrain and the shortest time will be added to the assembly time for a total time for this competition.

The completed MoonBuggy Team will be evaluated on functionality separate from the race. This evaluation will examine the technical approach used to solve the engineering problem of navigating the lunar course and not the time needed to traverse the course. Awards will also be given for most unique, most improved and system safety award.
\\

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Robots Kick Ass

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Robots Rule

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  1. Replicate the form and function of the human hand. #Design an effective interface for applying SMA wire to a mechanical finger. #Reduce the current interface dimensions to allow for the combination of multiple mechanical fingers, thus creating a robotic hand. #Allow safe operation of the robotic hand in and around humans. #Explore the application of the robotic hand as a prosthetic device.
to:
  1. Replicate the form and function of the human hand. \\ #Design an effective interface for applying SMA wire to a mechanical finger.\\ #Reduce the current interface dimensions to allow for the combination of multiple mechanical fingers, thus creating a robotic hand. \\#Allow safe operation of the robotic hand in and around humans. \\#Explore the application of the robotic hand as a prosthetic device.
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August 28, 2006, at 02:27 PM by EvanCoombs -
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Manufacture and design an off-road human powered vehicle to compete in The Great MoonBuggy Race in Huntsville, AL on April 20, 2007. This vehicle is required to race over approximately one half mile of lunar terrain and carry instrumentation similar to that of a functional MoonBuggy Team. In addition the MoonBuggy Team must disassemble the vehicle to fit within a four foot cube.

to:
  1. Replicate the form and function of the human hand. #Design an effective interface for applying SMA wire to a mechanical finger. #Reduce the current interface dimensions to allow for the combination of multiple mechanical fingers, thus creating a robotic hand. #Allow safe operation of the robotic hand in and around humans. #Explore the application of the robotic hand as a prosthetic device.
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August 28, 2006, at 02:23 PM by BryanAdams -
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 \\
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 \\
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August 28, 2006, at 02:21 PM by BryanAdams -
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 Attach:robothand.jpg Δ\\
to:
 \\
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August 28, 2006, at 02:19 PM by BryanAdams -
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 \\
to:
 Attach:robothand.jpg Δ\\
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August 28, 2006, at 02:14 PM by BryanAdams -
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Group Picture

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August 28, 2006, at 02:14 PM by BryanAdams -
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 \\
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 \\
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August 28, 2006, at 02:14 PM by BryanAdams -
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 \\
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August 28, 2006, at 02:04 PM by BryanAdams -
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 Attach:Robothandlogo.jpg Δ\\
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August 28, 2006, at 02:03 PM by BryanAdams -
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 Attach:Robothandlogo.jpg Δ\\
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August 28, 2006, at 02:01 PM by BryanAdams -
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The Robot Hand-Mechanical Design Team
to:
 
Robots Kick Ass
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August 28, 2006, at 01:59 PM by BryanAdams -
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Put the info for your group’s homepage here (i.e., what you need to do for the first part of HW#1, also summarized below).

To create a SideBar for your group, follow the instructions on the Sample page in the sidebar to your left.

Create a group logo and upload it into the space in the upper left of this page.

To create user pages in this group that are based on the page that you already completed in ME3910, place the wikiNames of your group members on this page. Then, once you’ve saved this page, you will note a ? mark next to their WikiName. Click their WikiName to be prompted to create their page. When you do this place the following line of text in the edit window:

(:include profiles.WikiName :)

And replace WikiName with your WikiName

Problem Statement

  • no more than 3 sentences.

Project Summary

  • 3–4 paragraphs
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August 28, 2006, at 01:49 PM by EvanCoombs -
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Team members are (from left to right) Robbie Poulsen, Evan Coombs, Tyson Skinner, Bryan Adams.

to:

Team members are (from left to right)Bryan Adams, Evan Coombs, Tyson Skinner, Robbie Poulsen.

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August 28, 2006, at 01:47 PM by EvanCoombs -
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WooHoo For Robots

to:

The Robot Hand-Mechanical Design Team

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August 28, 2006, at 01:36 PM by EvanCoombs -
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David Meier

to:
Changed lines 59-62 from:

Team members are (from left to right) Robbie Poulsen, Evan Coomb, Tyson Skinner, Bryan Adams.

to:

Team members are (from left to right) Robbie Poulsen, Evan Coombs, Tyson Skinner, Bryan Adams.

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August 28, 2006, at 01:34 PM by EvanCoombs -
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Team members are (from left to right) Elizabeth Nies, Quentin Benson, Emina Maric, Mark Kocik, Jonathan Hilton and Dave Meier.

to:

Team members are (from left to right) Robbie Poulsen, Evan Coomb, Tyson Skinner, Bryan Adams.

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August 28, 2006, at 01:30 PM by BryanAdams -
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 *your picture must be a gif or jpeg & must be under 200KB or it will not upload

This is out picture title

MoonBuggy Team

to:
 
WooHoo For Robots

Robot Hand Mechanical

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Dr. Adams

Team Captian: Quentin Benson
\\

to:

Dr. Mascaro

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Robert Poulsen, Mark Kocik, Emina Maric, Jonathan Hilton,

to:

Robbie Poulsen, Tyson Skinner, Evan Coombs, Bryan Adams,

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August 28, 2006, at 01:27 PM by BryanAdams -
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Attach:robotmechanics.bmp Δ\\

to:
\\
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August 28, 2006, at 01:24 PM by BryanAdams -
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Attach:robot Δ mechanics.bmp\\

to:

Attach:robotmechanics.bmp Δ\\

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August 28, 2006, at 01:23 PM by BryanAdams -
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Attach:moonbuggy_2.jpg Δ
A Team That is Out Of This World.

Hi guys,
I haven’t been able to figure out how to upload larger than 2MB doc files (ziping files doesn’t help either). I’d suggest either processing to PDF or just waiting for now… it won’t be counted against you.

Sorry,
Will

to:

Attach:robot Δ mechanics.bmp
This is out picture title

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August 28, 2006, at 01:15 PM by BryanAdams -
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Attach:moonbuggy_2.jpg Δ
A Team That is Out Of This World.

Hi guys,
I haven’t been able to figure out how to upload larger than 2MB doc files (ziping files doesn’t help either). I’d suggest either processing to PDF or just waiting for now… it won’t be counted against you.

Sorry,
Will

MoonBuggy Team

Project Advisor: Dr. Adams

Team Captian: Quentin Benson

Members: Robert Poulsen, Mark Kocik, Emina Maric, Jonathan Hilton, David Meier

Problem Statement

Manufacture and design an off-road human powered vehicle to compete in The Great MoonBuggy Race in Huntsville, AL on April 20, 2007. This vehicle is required to race over approximately one half mile of lunar terrain and carry instrumentation similar to that of a functional MoonBuggy Team. In addition the MoonBuggy Team must disassemble the vehicle to fit within a four foot cube.

Project Summary

The senior project requires the design of a vehicle that addresses engineering problems similar to problems faced by the original MoonBuggy Team. These include functionality, drive type, safety, assembly and disassembly requirements. The Annual Great MoonBuggy Team Race sponsored by NASA is held in Huntsville Alabama each spring.

Each MoonBuggy Team is required to carry two students, one male and one female for the duration of the course. This course consists of approximately one half mile of lunar surface composed of craters, rocks, lava, inclines and “lunar” soil. The MoonBuggy design team consists of six students who design, build, and compete using the final product.

During the competition the two riders are required to carry the MoonBuggy Team disassembled to the starting line within a 4’ x 4’ x 4’ volume, mimicking the requirements of the original lunar roving vehicle. At the starting line the MoonBuggy Team will be assembled, tested for safety and setup for course testing. At this point the design team will be evaluated on the time required to safely traverse the course. Each team is allowed two runs through the “lunar” terrain and the shortest time will be added to the assembly time for a total time for this competition.

The completed MoonBuggy Team will be evaluated on functionality separate from the race. This evaluation will examine the technical approach used to solve the engineering problem of navigating the lunar course and not the time needed to traverse the course. Awards will also be given for most unique, most improved and system safety award.

This senior design project gives the design team the opportunity to design, test, built and race a human powered MoonBuggy Team. During this process the design team will encounter the same constraints and design issues encountered by the first lunar roving vehicle.

Team Picture

Attach:group.jpg Δ Team members are (from left to right) Elizabeth Nies, Quentin Benson, Emina Maric, Mark Kocik, Jonathan Hilton and Dave Meier.

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August 28, 2006, at 01:13 PM by BryanAdams -
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  • ME 4000 Homepage

Sample Team

  • Announcements
  • Customer Requirements
  • Functional Specifications
  • Benchmarking
  • Brainstorming?
  • Prototypes
  • Group Presentations
  • Team Reports?
    • TeamMember1Report
    • TeamMember2Report
    • TeamMember3Report

Team Members

  • Team Member 1?
  • Team Member 2?
  • Team Member 3?

(edit side bar)

(:noteblock color=#ffffff float=left hidden=true:) ME4000 Links (:notecontent:) (:include Main.SideBar:) (:noteblockend:)

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August 28, 2006, at 01:00 PM by BryanAdams -
Added lines 22-52:
  • ME 4000 Homepage

Sample Team

  • Announcements
  • Customer Requirements
  • Functional Specifications
  • Benchmarking
  • Brainstorming?
  • Prototypes
  • Group Presentations
  • Team Reports?
    • TeamMember1Report
    • TeamMember2Report
    • TeamMember3Report

Team Members

  • Team Member 1?
  • Team Member 2?
  • Team Member 3?

(edit side bar)

(:noteblock color=#ffffff float=left hidden=true:) ME4000 Links (:notecontent:) (:include Main.SideBar:) (:noteblockend:)

Restore
August 25, 2006, at 12:04 PM by wil -
Added lines 1-21:

Put the info for your group’s homepage here (i.e., what you need to do for the first part of HW#1, also summarized below).

To create a SideBar for your group, follow the instructions on the Sample page in the sidebar to your left.

Create a group logo and upload it into the space in the upper left of this page.

To create user pages in this group that are based on the page that you already completed in ME3910, place the wikiNames of your group members on this page. Then, once you’ve saved this page, you will note a ? mark next to their WikiName. Click their WikiName to be prompted to create their page. When you do this place the following line of text in the edit window:

(:include profiles.WikiName :)

And replace WikiName with your WikiName

Problem Statement

  • no more than 3 sentences.

Project Summary

  • 3–4 paragraphs

Group Picture

 *your picture must be a gif or jpeg & must be under 200KB or it will not upload
Restore
Page last modified on December 06, 2006, at 03:20 PM
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