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Questions tagged [robotics]

Robotics is the branch of technology that deals with the design, construction, operation, structural disposition, manufacture and application of robots. Robotics is related to the sciences of electronics, engineering, mechanics, and software. You may also consider asking your question on *robotics* Stack Exchange: https://robotics.stackexchange.com/.

Robotics is the branch of technology that deals with the design, construction, operation, structural disposition, manufacture and application of robots and computer systems for their control, sensory feedback, and information processing.

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OpenCV based Labyrinth Maze solver

I am building an automatic maze solver using the following as an inspiration: http://www.youtube.com/watch?v=Prq78ctJ2Rk&feature=related I have built the maze control with steppers and I am using the following stepper motor control…
Sai
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Pros. and Cons. of each SLAM Algorithm and Which is the best?

At the present, there are a lot of SLAM algorithms out there, for example, a number of open-sources of SLAM in http://openslam.org/ What is the most famous one by now? If I gonna choose one, What is the basic criterion I need to be considered for…
A-letubby
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Having Quaternions and Euler Angles, how can I calculate the absolute angles of the measuring device (with python)?

The setup is a measuring device giving me Quaternions and Euler Angles. The measuring device is mounted on a disk, which itself is mounted on an arm. The arm can rotate up and down while being fixed on one end, about 240 degrees, since it's sitting…
Gustave
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Find 3D coordinate with respect to the camera using 2D image coordinates

I need to calculate the X,Y coordinates in the world with respect to the camera using u,v coordinates in the 2D image. I am using an S7 edge camera to send a 720x480 video feed to MATLAB. What I know: Z i.e the depth of the object from the camera,…
Wahaj Ahmad
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Running an application with WebRTC within a local network that doesn't have internet access

I'm looking to use WebRTC in a project where I need to livestream video from one computer, a robot with a wifi hotspot and USB camera, over a local network to another computer, a controller for the robot. Both computers in this case are single board…
Andrew Euredjian
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Blue Prism - Not able to spy elements - Browser Firefox

I have an issue with spy Browser mode in Firefox. I have designed a new RPA process on Dev machine where I have spy in Browser mode (in firefox) web page. On my Dev machine the Browser mode is working good and the process runs very good. The issue…
Mirosław Gądek
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What do you think about Mobile Robotics Programming Toolkit?

Did anyone use Mobile Robotics Programming Toolkit? What do you think about it? I am currently studying the SLAM problem (I am quite new in this area) and I am planning to implement a Mono Slam solution based on Extended Kalman Filter (C++). Do you…
Jeni
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Webots - Open multiple windows side by side

I'd like to edit my proto files and my project files side by side in two different windows (I've a big screen / monitor). However seems like I can only create a "New world" which will open in the same window, and there is no "Window" menu either. Is…
Sanjay Verma
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How to project 2d laser scanner data in world co-ordinate system

I have small tank drive robot which has a rplidar a1 mounted on it. The robot has a raspberry pi on board. I am working on making a small arena with cardboard obstacles. I can find the pose(x,y,heading) of the robot using aruco markers and a celling…
Samm Flynn
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Custom addon not displayed in the addons menu in G1ANT studio

I am trying to create a new addon but the addon is not being displayed in the addons menu in G1ANT Studio. Even other addons installed from the marketplace are also not displayed. I am using the latest version. I have tried running G1ANT studio as…
VIGNESH N
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How to create an occupancy grid map in python similar to Matlab occupancy grid

I am aiming to create an occupancy grid as following in Matlab: (https://au.mathworks.com/help/robotics/ug/occupancy-grids.html) map = binaryOccupancyMap(10,10,5); setOccupancy(map,[5 5], 1); I have googled and got overwhelmed with Python's…
Tran Thao Linh
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Data structure to store a grid (that will have negative indices)

I'm studying robotics at the university and I have to implement on my own SLAM algorithm. To do it I will use ROS, Gazebo and C++. I have a doubt about what data structure I have to use to store the map (and what I'm going to store it, but this is…
VansFannel
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How to include custom constraints/rankings on a RANSAC plane estimator?

I'm trying to segment a plane from a point cloud using the Point Cloud library and I have some prior information about the plane model (i.e, the normal should be similar to the z axis and the height (d) should be around 0). Is there a way I can…
gilad
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In general is it ok to loop if statements with goto under else?

So I have a task to be done which is to program the robot (AUBO) to pick different objects and place them in a certain order (Point A, B, C, D). I'm using some vision system known as pim60. So if an object is detected it will go and pick and the…
TheNooblet
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OpenCV recoverPose camera coordinate system

I'm estimating the translation and rotation of a single camera using the following code. E, mask = cv2.findEssentialMat(k1, k2, focal = SCALE_FACTOR * 2868 pp = (1920/2 * SCALE_FACTOR, 1080/2 *…
Carpetfizz
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