Questions tagged [simulator]
A computer environment where robot parameters can be tested without the need for a physical robot.
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Standalone (or capable of being) Robotics Simulator
I'm a software engineer who volunteers with a non-profit that introduces young girls to technology. We have recently been talking about methods of introducing these children to the world of robotics, ...
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Is ROS (Robot Operating System) mandatory?
Do we have to build ROS for robotic research/application? What is the main advantage? When or in which situations ROS is mandatory?
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Quadruped Learning Simulator
I'm currently building a robot with four legs (quadruped), 3 DOF (Degrees of Freedom) and Its been suggested here that I use a simulator to do the learning on a computer and then upload the algorithms ...
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Measuring speed of movement in Webots
I have been experimenting with different fitness functions for my Webots robot simulation (in short: I'm using genetic algorithm to evolve interesting behaviour).
The idea I have now is to reward/...
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Blender a good robotic simulator for quadcopters / swarm simulations?
I'm interested in simulating Quadcopter control and Swarm co-ordinations. Was wondering if Blender or specifically MORSE was going to be good enough? According to the limitations of MORSE, it states:
...
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Using Armatures in Morse Robotic Simulator
I'm trying to add my own robot in Morse 1.1 (using Ubuntu 12.04). I am struggling to add an armature actuator and armature pose sensor to an existing robot. Can someone please explain how this can be ...
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Simulated kinect rotation around X [gazebo bug?]
I asked this question on answers.ros.org and gazebo.ros.org but still haven't got any answer. I'm posting my question here with the hope someone can help me.
In our robot, the Kinect can be mounted ...
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An architecture for testing autonomous flight and sensors
I'm designing a simple autopilot software on top of Ardupilot, my goal is to possibly interface an Raspi on top of ArduPilot Mega (APM). I am stuck on setting up a simulation environment using either ...
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Suggestion for relevant non-complex simulator
I've recently started working on some localization algorithms like probabilistic road map and SLAM algorithms. What I'm looking for is a software that would help me in simulation for such algorithms. ...
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How can I simulate a changing environment with non-rigid objects?
Many robot applications (actually - the most practical and appealing ones) include the robot's reaction to (and impact on) the evironment, e.g. due to stochastic nature of the environment (e.g. when ...
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world files for simulating roads and tracks
Hello I wanted to simulate a busy urban road,similar to Darpa Urban Challenge for an autonomous self-driving-car. I'm in search of simulators for that.
I've seen gazebo since its integration with ROS ...
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quadcopter parameters calculations for simulink model
I want to make a mathematical model of quadcopter in simulink. I have studied quadcopter, although I am new and not build any flying robot before. I studied so far that I have to use four brushless DC ...
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3-DOF Robot Dynamics error in Robotics Toolbox
I am trying to compute dynamics of 3 DOF robot using Robotics Toolbox by executing this code:
robot.accel(q, zeros(1,3), zeros(1,3))
But I am getting this error: ...
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Is it possible to simulate vision (perception) in Gazebo (or other simulators)
Vision is important part of robotics and frequently it is unavoidable component of control loop. E.g. many clothes/garment handling algorithms rely on visual cues in deciding how to proceed. The ...
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Does simulink accepts robotics toolbox in matlab?
I'm trying to make a model for a robotic arm on simulink and then excute it on arduino controller but i want also to use robotics toolbox to calculate forward and inverse kinematics so i need to add ...
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Using robotic simulator for prediction step in probabilistic localization approaches
Probabilistic localization approaches like Kalman or Monte Carlo benefit from an accurate prediction step. The more accurate the prediction step, the more accurate is the belief of the robots pose. In ...
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How do I simulate an assembly line?
I need to simulate a stream of vehicles, such as on an assembly line. Automatons are performing operations on the vehicles when they come within reach. The automatons do not keep track of the ...
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How to program to generate robot URDF(Serial manipulator) when having stl file of each link with Python
I've tried :
to use obj2udf library(PyPI) then It can generate 1 URDF per 1 STL(it doesn't work because I can't find how to program to change link name or add link and can't combine STL)
so now I ...
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Simulator that allows your to test your real firmware inside a simulated world?
I am interested in learning more about how robotics are tested in simulators. Reading the Wikipedia article on robotics simulators I can't tell how the onboard firmware (the "brains" of the ...
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Gazebo: moving joint with model plugin
This is my first week with Gazebo. The tutorials are clear (except for my dearth of C++ knowledge) but now that I'm working to move out on my own things are getting cloudy. I made a model comprising ...
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Good 3D simulator for outdoor autonomous navigation
What's an appropriate tool for simulating a car driving in a simple closed-loop racetrack? I'm trying to implement the control logic for an autonomous vehicle, and I'd like to be able to first ...
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Choosing suitable simulator for a swarm of AUVs [closed]
Which of the following simulators is the best choice for simulating a swarm of AUVs working together to perform a mission? Please clarify your reason and if you know any better choice, I would greatly ...
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VREP - Attaching Baxter manipulators
Trying to add manipulators to the VREP Baxter robot, I can add the gripper easily enough by adding the manipulator object in a scene to the appropriate arm tip and setting its position and rotation to ...
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Unmanned guard boat [closed]
I need an urgent help in my graduation project on unmanned guard boat.
I need to control the boat autonomously and manually using ArduPilot and Arduino Uno.
I just ask if anyone has the code, that ...
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How do people create complex models/worlds in the Gazebo?
I'm trying to learn Gazebo and I'm kinda puzzled about how difficult it is. I'm using the latest LTS version (Gazebo Garden) and following the intro tutorials. I'm manually editing sdf files, with ...
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Is anybody using robot simulators? [closed]
Do you use simulators for developing your robot algorithms or do you test directly in your robot?
I would like to get introduced into the simulators world, but don't know from where to start... can ...
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Computer stereo vision simulator
In my research project I deal with a mobile robot that perceives through stereo vision. As the stereo input data I currently use several datasets taken from a passenger vehicle that contain real world ...
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Validation of dh parameters
I am working on a concept of robotic arm for which I have fixed DH frames and parameters. Is there any way to validate the correctness of DH parameters and frames ?
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How can I use the pen Node on my custom robot in webots?
I am starting to attempt a new project about a mechanical arm using a pen to draw random things as I move the robot's arm.
so to do that Webots already has a node named "Pen"
(Webots doc,
...
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Roy Featherstone toolbox robot model
I want to model these D-H parameters in spatial toolbox:
Link: alpha, a, theta, d
Link 1 : -90 0 theta1* d1
Link 2 : 0 a2 ...
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Manually generate antipodal grasps for grasping
I am getting into robot manipulation using parallel grippers, and am learning about it, and programming grasping different objects. I have the 3D model of the objects I wish to grasp. The next step is ...
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Simulator for an adaptive, under-actuated robotic gripper
I am looking to build an adaptable robotic arm with under-actuated three (or four) fingered hands. Before I start shelling out money, I want to test my prototypes in a simulator which would ideally
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AWS RoboMaker simulations + testing explained
I am trying to understand how AWS RoboMaker and WorldForge work, and am having trouble "seeing the forest through the trees," and might need someone to "explain it to me like I'm 5"...
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How can I run Tests/Simulations of Control and Motion Planning for a Bare Metal Robot?
I am using a raspberry pi to practice low level development with a differential drive robot; bare metal without an OS underneath.
I've gotten to the point where I have a very small, single purpose ...
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Bullet vs ODE to simulate robotic arm [closed]
For a research project at university I have been tasked with simulating a "robot arm". The simulation is to be compared with the real life version for accuracy. The arm will be lifting other objects ...
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What is the most realistic grasping simulator? [closed]
I am looking for a physics simulator which can accurately model a robot hand picking up an object. The main requirement is for accuracy / realism, rather than speed. It needs to be able to model soft ...
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I'm trying to understand an equation from a motor simulation $\dot w_i (u_ i ,w_i,l _i , \dot l _ i )$
I have a simulated motor and I'm not understanding the math to control it.
This is the equation for the force of the motor, also called an 'actuator'.
$\dot w_i (u_ i ,w_i,l _i , \dot l _ i )$
w ...
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Integrating Instantaneous Accelerations taken at discrete time intervals
I am trying to integrate instantaneous linear and angular acceleration taken at discrete time intervals (1/100 seconds, 100hz). data is collected beforehand, and integration is done offline, I only ...
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Gazebo or SimMechanics
I'm now considering to choose Gazebo or SimMechanics for simulating my quadruped robot.
I set some standards for the simulation:
Support Real-time application with ROS
Simulate contact impact well(...
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Recommendation for 3D mechanism modeling and simulation software
I'm working on a robotic hand and I would like to simulate different joints and tendon insertion points before starting to actually build it.
I've been googling and found things like Solidworks and ...
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Software to simulate mechanics of production line
Is there any software where I can simulate production line elements (joints, motors, springs, actuators, movement)? For example I want to simulate mechanism to unwind paper from big roll to weld it ...
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Manipulator link applied torque
I want to implement a manipulator link using a physic library. I can only apply some torque to the centre of mass, but the torque should be applied at the beginning of the link.
Shifting a reference ...
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"modern contact dynamics" - Why are spring-damper contact models not being used anymore for dynamic simulations in robotics?
While researching different physics engines for dynamic simulations in robotics I found the following statement on the MoJoCo documentation website:
Physics engines have traditionally separated in ...
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Are there any aerodynamics modeling/simulation software that is capable to consume a SolidWorks model and to interface with MATLAB/Simulink?
Currently I am developing a control system for an aircraft of a unique design (something in between a helicopter and a dirigible). At this moment I can model only the dynamics of this vehicle without ...
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Free 2 and 3d simulators [closed]
What physics simulators exist which are open source/free? AI Gym uses a proprietary for-cost physics engine making it nonviable.
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What criteria should be considered when comparing 2 robot simulation/modelling software?
I want to compare MapleSim (Maplesoft) to SimMechanics (Mathworks) what should my criteria of comparison be?
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tricopter simulation to test control algorithms
I am looking to write and test my own control algorithms for tricopter flight. I am looking for a simulator that can simulate a tricopter but at the level of receiving simulated PWM and returning ...
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Resetting position of e-puck in Webots using Supervisor node - problem with getting a handle to the robot
I am writing a method (Java) that will reset the position of e-puck in Webots. I have been following tutorial on Supervisor approach. I have two controllers in my project:
SupervisorController ...
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How can I draw in the 3D window in Webots?
I would like to draw some text or objects in the 3D view of Webots, how can I do that?
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Read device value from another robot controller in Webots
I'm using Webots R2022b and I would like to have a supervisor controller that applies an algorithm on the camera data recorded by the Mavic2Pro drone on an another robot.
But, when calling the ...
