Top new questions this week:
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I've came across an interesting issue.
Is it possible to get the value of the LaunchArgument inside the python launch file?
Take the following scenario:
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I am trying to use the following as input values to an arg command in my roslaunch file as follows:
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Similar to this question: https://answers.ros.org/question/310797/start-gazebo-simulation-with-non-zero-clock-time/
When gazebo starts up it starts its clock at 0, which can cause problems with code ...
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I’m recently started working with micro-ros and also tested the publisher and subscriber with Arduino Due, but I want to add multi subscriber in my Arduino code (at-least two). but it’s not working ...
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I'm in the process of tuning a robot-localization package parameters in my sensor-fusion ROS2 package.
I have a dataset from various sensors mounted on a vehicle (IMU, GNSS, Lidar, Rgb Cameras, Radar, ...
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I've been facing an issue with the local planner in my ROS2 navigation setup. The core of the problem seems to be that the local planner does not extend sufficiently outside the robot's footprint ...
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I am wanting to create a robot that can pick up trash. I am planning on taking a picture of the trash, using an ai i've trained to detect the trash, using opencv to find the contour of the trash, and ...
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Greatest hits from previous weeks:
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I'm reading from Astrom & Murray (2008)'s Feedback Systems: An introduction for scientists and engineers about the difference between feedback and feedforward. The book states:
Feedback is ...
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What will be the specifications of motors and propellers that can approx produce a thrust of 100kg in a quadcopter?
We are planning to lift a total weight of 50 Kg along with the 20 Kg weight of the ...
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In rotation matrix, Why do we rotate the first and third rotation in the opposite direction of the 2nd rotation, this is confusing.
Image is attached with this.
In this image we can note that for x ...
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I would like to estimate the yaw angle from accelerometer and gyroscope data. For roll and pitch estimate I've used the following trigonometric equations:
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What is the maximum distance (of say , a car ) you could measure using an ultrasonic sensor that would be compatible with arduino? Is there any sensor(ultrasonic or not) that could measure the ...
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I am trying to solve a forward kynematics problem for a 3DOF manipulator.
I am working with the Robotics Toolbox for MatLab created by Peter Corke and after calculte the DH parameters and introduce ...
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I understand the basic principle of a particle filter and tried to implement one. However, I got hung up on the resampling part.
Theoretically speaking, it is quite simple: From the old (and ...
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