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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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Making a half-elliptical path in MATLAB from three input points through 3D space, to be fed into Visual Studio and ultimately a robotic arm

First, a little bit about my set up: I have a robotic arm into which points and movement patterns can be programmed into. The goal is to get it to move in certain ways based on the inputs that we put into it. On the same table as the robotic arm is…
user2009238
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Carmen Robotics

I have been working with Carmen http://carmen.sourceforge.net/ for a while now, and I really like the software but I need to make some changes inside the source code. I am therefore interesting in some students reports/projects there have been…
nesmoht
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Hardware Programming - Hands-On Learning

Besides Arduino, what other ways are there to learn hardware programming in a hands-on way? Are there any nifty kits available, either a pre-assembled robot, that you can program to move a certain way, or do certain things, or anything similar to…
Sev
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How to check collisions on x-y axis

I'm writing a mobile robotics application in C/C++ in Ubuntu and, at the moment, I'm using a laser sensor to scan the environment and detect collisions with objects when the robot moves. This laser has a scan area of 270° and a maximum radius of…
Marcus Barnet
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Mindstorm NXT Programming Loop Exit Conditions

I am developing a robot for an engineering class. For the purposes of the class I am required to use the NXT programming language. To move, the robot needs to follow a solid black line. If the robot looses the line, I have it scan to the left…
Nathan Tornquist
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How to transfer latest state between threads in rust without using a mutex

I am working on a Rust project where I have two distinct threads that serve specific purposes. One is a real-time thread which interfaces directly with a piece of hardware and maintains strict timing requirements, while the other is a web server…
WinKey
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Does WebRTC make sense for low-latency streaming over local network?

I am developing a python application where a drone and a computer communicate over local network (wifi). My need is to stream the drone's camera to OpenCV-python on the computer with the lowest possible latency at the highest possible…
Yann Bouteiller
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URDF model keeps disappearing whenever I add intertial properties to a link? How can I resolve this issue?

I am trying to simulate a simple pendulum using pydrake and am having a couple of issues creating the urdf file to creat the model for the pendulum. I have no background knowledge on urdf or drake and am open to any suggestions to resolve this…
Raviverma Chamarti
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OpenCV Detecting points along curved lines

I am new to openCV programming and I would like to do something which seems fairly simple in my mind but I haven't found any useful solutions. I am building a robot that needs to follow lines on an image drawn by a user. Let's use as a…
devjardim
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Book with vslam

I am looking for a book where some monocular/visual SLAM is described and implemented. Can you list and recommend some? I'd like to use OpenCV but that is not a requirement.
Unapiedra
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OpenCV floor detection by segmentation

I'm working on a way to detect the floor in an image. I'm trying to accomplish this by reducing the image to areas of color and then assuming that the largest area is the floor. (We get to make some pretty extensive assumptions about the environment…
pkinsky
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How to connect ros nodes to topics over a network

Lets say I have a robot, with a raspberry pi, or a jetson, running ROS. And I want to see the sensor readings, or something on RVIZ, on my laptop. Or maybe control the robot using a wired Xbox controller connected to my laptop... Is there anyway I…
DS3a
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Quadcopter PID Controller for distance

I am trying to use a PID controller to stop a quadcopter at a specific location while travelling horizontally, however currently it overshoots/undershoots depending on the max velocity. I have tried manually tuning the P,I and D gains with limited…
Brien Crean
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Finding path obstacles in a 2D image

what approach would you recommend for finding obstacles in a 2D image? Here are some key points I came up with till now: I doubt I can use object recognition based on "database of obstacles" search, since I don't know what might the obstruction look…
Mikulas Dite
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Webots - Avoid "joint" objects getting inside one another (i.e. how to enable collision for objects in hinge joint?)

I have a hinge joint between two objects, a sphere and a box. I wonder how I can avoid the sphere going inside the box when it's rotating around the box with a rotational motor. Here is a snapshot of the sphere getting inside the box when rotating…
Sanjay Verma
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