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This workshop will cover the development and simulation of a passive dynamic walker in OpenSim. Participants will be introduced to the OpenSim tools in both the standalone GUI and the new Matlab scripting tools. The workshop will culminate in a challenge where the workshop participants will aim to maximize walking distance over increasingly challenging terrainHow far can you get your model to walk? We'll guide you along the design of your own walker. No prior OpenSim experience is necessary.
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Hopefully you will be able to set up your environment properly before you arrive, but we'll be glad to help you with these steps during the workshop.
Design Challenge
At the end of the workshop, we will have a small presentation of the walking model challenge entries.
The challenge categories are:
Best Walking Gait
- The model that moves the furthest through the obstacle course (based on pelvis location at touchdown of the leading leg at the last complete step) will be the winner. If there is a relative tie, or if multiple models successfully complete the course, the winner will be selected by audience vote.
- The model must not have a flight phase. The sum of the contact forces will be checked (it's okay to have very short violations).
Best Innovation
- The winner will be selected by audience vote.
- There are no restrictions on the model. (Add extra legs, muscles, whatever it takes to get down the course! Think outside the box!)
- The model must spend a significant portion of the the time on the ground.
Best Blooper
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To enter the contest, send an email to Chris Dembia with:
- subject line "DW2013: <name-of-your-team>",
- for each category you're entering:
- your model file, named as "<name-of-your-team>_<category>.osim",
- a link to a YouTube video showing your model in action (that is, upload a video to YouTube first).
The videos will be uploaded to this page, where the other contestants can see and vote on them.
Helpful Examples and Resources
TODO
Share your scripts
If, during the workshop or afterwards, you develop any models or Matlab scripts that you'd like to share with other workshop participants, email them to Chris Dembia and we'll post them right here. Please include DWC2013in the subject line, and be sure to credit yourself inside the files you send.
Helpful Examples and Resources
If you're eager to learn about OpenSim before the workshop, visit other Examples and Tutorials.
Since we'll be using OpenSim's Matlab scripting functionality, you may benefit from reading Scripting with Matlab.
When writing Matlab scripts, it will be helpful to learn about OpenSim classes by browsing its Doxygen C++ API documentation.
To learn about Simbody, the physics engine behind OpenSim, visit Multibody Dynamics Concepts (Simbody).
To learn more about OpenSim in general, visit http://opensim.stanford.edu/.
Surveys
Workshop Feedback: We hope you'll find a moment at the end of the workshop to fill out our feedback form. There are only 3 required questions, so it should be quick!
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Staff
- Ajay Seth
- Dan Jacobs
- Chris Dembia
- Scott Delp