Questions tagged [jackal]
The jackal tag has no usage guidance.
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Stereo Camera Calibration Issues with Point Grey Flea3 cameras on a Jackal Rover
We are currently working with a jackal robot from Clearpath Robotics, and we are having troubles with the stereo camera. We can get each individual Flea3 PointGrey camera to work individually, but ...
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80
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ROS2 Humble - Clearpath Jackal
I own a Clearpath Jackal (J100-0758) with GPS, Intel Realsense D415 and ouster os1-32-u. I have been trying to install ROS2 Humble for some time. Unfortunately, I keep running into problems. I have ...
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diff_drive_controller in ROS2 on Jackal platform causing jittered controls
I am currently battling with the ClearPath Jackal robot trying to upgrade it. I have struggled for weeks trying to understand why using a PS4 controller gives jittery values. Basically the jackal will ...
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Unable to Connect Jackal to the Internet to get updates
I am having an issue connecting jackal to the internet. When trying to install or update any apt packages, I get errors like these when running sudo apt-get update:
...
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Jackal Cannot Drive using PS4 Controller or Publishing ROS Message
I have tried to drive my Jackal both using a PS4 controller and through publishing a rostopic, both of which inputs are being sent successfully but with no response from Jackal.
I have successfully ...
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How to use PS4 controller with CLearpath Jackal?
I am struggling to use the PS4 controller supplied with the Clearpath Jackal for manual control. I can connect to it by running sudo bluetoothctl then ...
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How to properly set JACKAL_URDF_EXTRAS?
I am adding a custom sensor arrangement to a Clearpath Jackal. In the documentation, it suggests that all is necessary is to set ...
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should IMU frame follow the red-East, green-North and blue-Up convention?
Assuming an IMU without abs yaw. The starting pose of the robot is always at 0 yaw. Isn't ENU frame where:
-Green axis points front(North) of vehicle
-Red axis points right(East) of vehicle
-Blue axis ...
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How to interact between a ROS snap and a Clearpath Jackal?
I am planning to install my ROS package as a Snap on a Clearpath Jackal. How would I do this in a way that would allow the nodes ...
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2
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4
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move_base navigating robot to close to costmap?
I'm experiencing an issue where anytime move_base sets a trajectory for the robot to follow, it inevitably falls too close to an obstacle and ends up scraping against it, or gets stuck in an escape ...
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How to add automated kill switch to robot?
My UGV sometimes behaves erratically when navigating autonomously with move_base. It will sometimes get caught in loops when performing turns to reach a nav goal, or it will completely lose it's pose ...
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Jackal odometry producing large covariances?
I'm getting exploding covariance readings (along the diagonal) when echoing my /odometry/filtered topic on a jackal robot
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How to record data from rostopics using MongoDB
I have installed the mongodb_store package on my jackal clearpath robot (Ubuntu 14.04) running ros-indigo, and I have started the mongoldb_server by running the commands:
...
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TF Error: Lookup would requrie extrapolation into the future
I'm running rtabmap on a jackal robot with bumblebee2 stereo camera on ros-kinetic. I get the following error when trying to view pointcloud2 topic in rviz:
...
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Clock not publishing?
I'm launching a bumblebee2 stereo camera to get my input images. When I check the /clock topic, I don't see any timestamps being published. Is this abnormal?
Originally posted by asabet on ROS ...
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How do you add new frames to the tf tree of a Jackal robot?
I have a Jackal robot that is running ubuntu 14.04 with ROS indigo installed. I have attached a Hokuyo UTM 30lx laser to the jackal robot so I am trying to modify the jackal.urdf.xacro file to include ...
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Hokuyo laser not publishing any data
I have a Jackal with a Hokuyo laser and I am wanting the hokuyo laser to publish information to /front/scan so that I am able to use the Nav stack with my jackal robot, but I am unsure how to do this. ...
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Cannot connect to Jackal clear path from my laptop
I have successfully connected the jackal robot to a wifi network by ssh ing to the jackal through an ethernet cable, so my robot has a working internet connection. When I follow the steps outlined in ...
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Cannot setup Jackal Clearpath's network
I cannot setup Jackal's network by connecting to my machine via a network cable. When I try to ssh to jackal as mention in this link https://www.clearpathrobotics.com/assets/guides/jackal/network.html ...
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point grey camera withe jackal
Hi,
I am using the jackal for my university project.
I have attached a camera to collect images and am using the cv bridge library to get snapshots.
On the desktop and simulation environment, I use ...
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2
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Remapping move_base Twist publisher topic
Hi all,
I'm working with a Clearpath Husky on ROS Indigo, Ubuntu 14.04. I'm trying to remap the topic that move_base publishes its Twist messages on to (...
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Correct way to insert IMU into tf chain for wheeled robot?
What's the right spot in the tf tree to insert an IMU for a small wheeled robot?
Background:
We're running AMCL on a Clearpath Jackal, equipped with a Velodyne VLP-16 LiDAR. We've had the little beast ...
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Ground truth from the jackal robot
Hi,
I have a simulation environment using the jackal in gazebo without using the laser scanner.
I have a small program that publishes the velocity commands and subscribes to the odometry topic to get ...
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6
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Getting imu_data from jackal in simulation
Hi,
I am using the Jackal robot from Clearpath. I am running the jackal_gazebo simulation and trying to collect odometry and IMU data. I have written code which has the following:
publisher, to ...
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Need for a customizable Unmanned Ground Vehicle (UGV) to work in ROS and Gazebo
Hello everyone, Please help...
I am working on a project where I need UGV designed in ROS and can be simulated in Gazebo and (Preferably contain some sensors such as camera, ultrasonic and Lidar or ...
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Using robot_localization, how can I calculate the GPS coordinates of any point on my robot?
The Problem (TL;DR)
I want to calculate the GPS coordinates of a random hardpoint on my robot, both directly from the GPS and via sensor fusion (EKFs).
The Problem (in full)
This is a conceptual ...
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How to turn the orientation of the Jackal Robot?
Hello everybody,
We are using the Jackal robot from clearpath robotics for a project. We want to turn the default moving direction of the robot to the opposite. So the old forward direction should ...
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How can I reduce drift in my robot's trajectory?
The Problem (TL;DR)
My robot used to travel in straight lines between point A and point B. Now it doesn’t. I want to figure out why and how I can make it do that again by forcing the local path ...
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Jackal robot PS4 remote cannot pair using bluetooth with the robot?
I just got a jackal robot with a PS4 remote. According to the instructions it should automatically pair with the jackal robot however the pairing doesnt happen.
However, when I connect the remote to ...
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How to use SDF with ROS packages in gazebo?
Using ROS Indigo and Gazebo 2.2 on Ubuntu 14.04
I have created a model for a robot that is similar to Clearpath's Jackal. What I am trying to do is have the already-created Jackal packages apply to my ...
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RTAB-Map rgbd_launch error Map received with code error 1! problem
Hi, I am trying to use RTAB-Map on my clearpath Jackal robot (am reading its topics through the same wifi). I am not using OpenNI because my robot and ASUS Xtion rgbd camera have already been set up ...
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problem with openNI and openNI2 not locating ASUS Xtion
Hey, I would like to ask for help on using my ASUS Xtion camera on my Clearpath Jackal with openni or openni2. When i turn on the jackal and try to view raw image data, I can view an image very well. ...
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2
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ekf_localization_node system model when fusing IMU and Odometry
Hello,
I have found this great tutorial about Extended Kalman filter which made me wonder how does ekf_localization_node in ROS work (I found a similar question asked before, however it was not ...
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2
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pointgrey_camera_driver fails to compile
I'm trying to follow the navigation tutorials for the Clearpath Jackal here:
http://www.clearpathrobotics.com/assets/guides/ros/ROS%20Navigation%20Basics.html
However after installing everything from ...
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customising the path planning algorithm
I am trying to change the path planning algorithm which is used for the robots to find the shortest path to reach the goal in rviz. i want to customize it with my algorithm so as to find the shortest ...
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Robot localization with AMCL and EKF
Hello,
I have been following an example here with jackal. My goal so far was to understand how AMCL works. However, in his example he uses ekf_localization and AMCL is just a tool to output cloud with ...
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Kinect V2 on Jackal by Clearpath
Hi all,
I'm new to ROS and have gone through the basic tutorials. I'm trying to get the kinect V2 connected with the Jackal and setting up simulations with Gazebo, rviz and stage. The jackal packages ...
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Problem with gmapping.launch file
Hello!
I am a newbie to ROS. Please bear with me.
I was following the tutorials by Clearpath Robotics for Navigation basics.
Here is the link: ROS Navigation Basics
Here, at the step where I have to ...
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2
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Problem installing any package
Hello! I am a newbie to ROS. Please bear with me.
Edit 1: I am unable to install any package now. I tried installing Turtlebot Simulator and I am getting the same error. I think there is some problem ...
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jackal gazebo navigation example
Thanks to jackal gazebo tutorial I was able to run it without any issue, and control the robot's twist using interactive markers.
I'm in the process of building a simple robot with XV-11 lidar and ...