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28 views

how to implement a wall following controller for a TurtleBot3? (ROS - python)

I want to implement a wall following controller for my TurtleBot3 (with ROS system). sensors which I have on the robot: lidar(360) and optional 2 ultrasonic sensors on the side (1 on left and the ...
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0answers
29 views

A* alogorithm Path Planning in ROS

Can anyone help me out on how to do A* path planning in ROS. I went through a lot of resources, but most of them are using a 2d graph? I just want to know the process or workflow.
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votes
2answers
58 views

Multiple robots performing a set of tasks (Optimization)

Consider a situation where you have a 'm' number of robots and 'n' number of tasks. Each task is at a different location. What optimization algorithm should I use in order to assign a set of tasks to ...
0
votes
1answer
127 views

How do I create a broken line follower? [RobotC] [Legomindstorm] [Ev3]

Trying to create an algorithm/code in order to get my robot to follow a track which it currently can do, using a color sensor and following the inside edge. So I'm wondering how to transition to the ...
3
votes
2answers
448 views

Difference between g-value and rhs-value in Lifelong Planning A*

What is the difference between g-value and rhs-value of Lifelong Planning A* algorithm? According to this link, D* Lite, g(s) directly correspond to the g-values of an A* search, i.e. g(s) = g(s') + ...
1
vote
1answer
83 views

How to find the height of a rock with a rover?

So, I am designing a rover that will navigate to a rock, and then calculate the height of the rock. Currently, my team's design involves using an ultrasonic rangefinder and lots of math. I was ...
2
votes
2answers
84 views

Detect road surface in a traffic scene point cloud

I want to analyze a traffic scene. My source data is a point cloud like this one (see images at the bottom of that post). I want to be able to detect objects that are on the road (cars, cyclists etc.)....
3
votes
1answer
108 views

Fit robot simulator to robot

I have odometry data $(x, y, angle)$ of a real two-wheeled robot, who received control commands $(forward speed, angular speed)$. Now I want to code a motion model (in C++ (/ROS)) which should follow ...