Webots tutorial 3: Controller code to drive a differential drive robot // Webots Tutorial Python

Publié le: 01 janvier 1970
sur la chaîne: Kajal Gada

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523

In this webots tutorial, learn how to write a controller code in Webots to drive a differential drive robot.

📖 LEARNINGS
(1) How to write a controller code in Webots in Python?
(2) Differential drive kinematics
(3) How to drive a differential drive robot in Webots?
(4) Project: Motion to drive a differential drive robot in a polygon shape like square.
(5) Open vs close loop systems and why they are used?
(6) Working of Webots.

DESCRIPTION

This week’s video is about webots controller and how to code one yourself.

To make this fun, we will do a small project of driving the differential drive robot in a polygon path. We will write the code in python in webots.

Last week we create a custom differential drive robot in webots. This week we write the controller code in Python in webots to run the robot.

This is an open loop system so we are simply sending motor commands to drive the robot in Webots. We will learn to drive the robot straight, turn in place, turn while going forward in webots. Then we will advance to writing a simple path to drive our Webot robot in a polygon of any shape.

WHAT IS WEBOTS?

Webots is a free open source software for simulation in robotics. This is a great way to learn robotics and get started in robotics without investing in expensive hardware. With webots you learn both hardware (robot modeling) and software (write code to drive robot).

🕑 TIMINGS
0:00 Introduction to webots tutorial
00:49 create controller in webots
1:18 Webots controller code in Python
1:55 motor control in webots
3:58 driving straight
6:07 turning robot
8:01 project details
8:22 drive in polygon shape
11:45 open loop vs closed loop system
12:40 Outro

🚀 WEBOTS TUTORIAL SERIES

(1) Webots Tutorial Series in Python // Get started with Robotics using Webots
   • Webots Tutorial Series in Python // Get st...

(2) NEXT Webots Tutorial 4: using encoders to compute robot position (Odometry) // Position Sensor in Webots
   • Webots Tutorial 4: using encoders to compu...

(1) Webots Tutorial 1: Introduction to webots
   • Introduction to webots: how to install and...

(2) Webots Tutorial 2: Make your own custom 2 wheel differential drive robot
   • How to design a 2 wheel differential drive...

🚀 VIDEO RESOURCES

(1) Why use _main_ when coding in Python?   / understanding-if-name-main-in-python

(2) List of functions for motor in Webots
https://www.cyberbotics.com/doc/refer...

(3) Further reading for differential drive mobile robot kinematics. In other words, how to compute velocity, rate of rotation, etc:
https://www.usna.edu/Users/cs/crabbe/...

(4) Webots tutorial on controller coding in Python for a 4 wheel robot:
https://cyberbotics.com/doc/guide/tut...

🚀 FREE RESOURCES

Robotics newsletter (Job listings & updates) sign up:
https://sendfox.com/kajalgada

Roadmap to Robotics
  / roadmap-to-robotics-part-1

List of Robotics projects:
https://sendfox.com/lp/1rx02z

Take Home Coding Challenge Checklist:
https://sendfox.com/lp/3o829o

🤝 CONNECT WITH ME

Contact me: https://kgada.info/contact/
LinkedIn:   / kajalgada
Instagram:   / kajalgada

📚 ASSISTANCE WITH TUTORIAL, ASSIGNMENT, PROJECTS

If you need help with a tutorial or project on this channel, connect on slack:
https://sendfox.com/lp/1k5w9d

If you need help with a tutorial, assignment or project of your own:
Robotics Discord Community:   / discord
Webots Discord Community:   / discord
ROS Discord Community:   / discord

🤖 ABOUT ME

Hi, I am Kajal. A Robotics Engineer and a business owner. I created this space to help students and young professionals build a career in Robotics.

⚙️ GEAR I USE

Camera: YI 4K Action and Sports Camera, camera on iPhone XS or MacBook Pro
Tripod: Ravelli APLT6M 72" Light Weight Aluminum Tripod
Lights: Neewer Ring Light Kit
Mic: SoLID Lavalier Lapel Microphone, Samson Q2U
Recording: Voice Memo App on iPhone or Mac
Editing Software: Final Cut Pro X
Thumbnail Designs: Canva

Make sure to subscribe to the channel:
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