World RobocupJunior Robotic Simulation Workshops with Webots - C/C++
June 23rd to 27th, 2020
Go here to Python Tutorial Site
Webots has been designed for a professional use and is widely used in industry, education and research. Cyberbotics maintains Webots as its main product continuously since 1998. Here is a link to their official tutorial website.
The following shows the schedule of June 23 to 27 Seminars.
Add to Google calendarSeminar 1
June 23 | Tue.
Tutorial #1 Video - Download and Install Webots.
Preview this tutorial#2 video for basic motion navigation.
Expected Outcome:
- Completed installation.
- Learned a few fundamentals such as scene tree and Webots UI.
- Understand how to use encoders for more robust movements.
Mini-challenge for June 23 seminar
Field:
The field/environment similar to this one. You may download the challenge here.Tasks/Activities:
- 3 challeneges with increasing complexity in motions.
- Encourage to use encoder, or even triangulation to drive to designated target nodes.
Seminar 2
June 24 | Wed.
Preview Webots - Tutorial #3: Using Sensors in Using the Erebus Maze World .
Expected Outcome:
- Have your virtual robot controller to navigate around a maze like environment.
- Program with the individual sensors including distance sensors, gyro, and cam on the virtual robot.
Mini-challenge for June 24 seminar
Field:
Environment similar to this one. You may access the challenge here.Tasks/Activities
- Able to navigate by active sensing
- Encourage to use distance, and/or gyro to navigate the maze environment field for more robust navigation.
- Be able to detect heat vs visual elements
Seminar 3
June 25 |Thur.
Expected Outcome:
- Reporting the location of victims to the scoring engine.
- Installing OpenCV with Webots for advanced camera recognition.
Release the June-27th-contest field on the 25th.
Field:
Two levels:- Level 1: You may access the world here.
- Level 2: You may accces the world here .
Tasks/Activities
Navigate, avoid obstacle, and victims detection.June 26 | Fri.
Participants should continue to work on the Jun27-Contest. Speakers will be on during this time for answering questions that you may have regarding the Jun27-contest.
Do not forget that you can always join the discussion forum here for fast response for questions.
The final fun contest
June 27th Contest Videos.
View the video of the best four from the June 27 mini-contest (with Python controller).
Full result page is Here .
Another video with a C++ controller (late submission) will be posted shortly.
Feedback and other links
Next Step - RCJ Maze Rescue Competition
Complete this RCJ Simulation Maze - Feedback form to:
- let us know your interest in joining the full competition in September!
- provide us feedback for making an even better platform for you.
Continue
to program and play with the challenges, and shoot for the competition in the Fall.Support & Assistance
Email...
Forums...
Resource Links.
Forums:
- Webots Documents website.
- Erebus-Webots Discord: for rapid response and tech discussion.
- RoboCupJunior Forum: RCJ rules or infrastructure.
- RCJ Rescue Maze Platform Site
- Email Us: for questions about these webinars.
Samples + World Environment
Repository for Sample Codes
Repository:
Go here to download all samples and Worlds used in the seminars.Some Samples may target various Webots Worlds, but most are applicable to solve problems presented in RCJ Maze.
Here is a video about using Trignometry to locate.
About the two Presentors
Jeffrey Cheng is a rising high school student. He won the 3rd Place at the 2020 World RoboCupJunior Maze League in Australia. Hobby: Viola and a nice game of ultimate frisbee.
He along with Victor have created multiple online and video tutorials as well.
Victor Hu
Victor was a rising high school student. He has loved to tinkered robotics and computer science since his 5th grade. Hobby:ultimate frisbee, and loves his cat Jasper.
He along with Jeffrey have created multiple online and video tutorials as well.