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MathWorks Robotics and Autonomous Systems Team

MathWorks

Last seen: 2 months ago |  Active since 2015

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PX4 Firmware build failed with error ‘AttributeError: module 'em' has no attribute 'RAW_OPT’’
This is a PX4 Firmware bug as mentioned here and here. The python package ‘empy’ used by WSL must be downgraded to version 3.3.4...

3 months ago | 0

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Question


PX4 Firmware build failed with error ‘AttributeError: module 'em' has no attribute 'RAW_OPT’’
While building the PX4 firmware from the Hardware setup screens of the UAV Toolbox support package for PX4 Autopilots, the build...

3 months ago | 1 answer | 0

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Answered
Communicate with ROS in WSL2
Hello Steven, To communicate between WSL2 ROS and MATLAB/Simulink, you would need to make sure the environment variable "ROS_...

3 years ago | 4

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Plans to support ROS 2.0?
As of R2019b, we are happy to state that the ROS Toolbox has support for ROS 2 Bouncy! Please see this page for an overview of s...

5 years ago | 1

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Can I generate code for multiple ROS nodes at once ?
Unfortunately this is not supported workflow yet. Can you please let us know your exact workflow, under which situations workin...

5 years ago | 0

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Answered
how can i get each joint angle from manipulator robot?
When you use the IK object as mentioned on this page: https://www.mathworks.com/help/robotics/ref/robotics.inversekinematics-sy...

5 years ago | 1

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Answered
Domain Error on Robotics System Toolbox
Note this issue was fixed in R2019a - please update/install the R2019a and this issue with the block should be resolved.

5 years ago | 0

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how can i generate a rectangular trajectory for sliding mode control of robot manipulator
For MATLAB Central post, please ask the question directly in the submission page: https://www.mathworks.com/matlabcentral/fil...

5 years ago | 0

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How can I use ROS Get Parameter block to set a simulink model workspace variable ?
I do not think ROS Get Parameter block is the right choice, as that is specific to ROS network. Please review this: https://w...

5 years ago | 0

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omnidirectional robot on simulink or GUI?
We do not have a omni-directional robot in Robotics System Toolbox in MATLAB/Simulink yet, please stay tuned for R2019b release ...

5 years ago | 0

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Answered
Why can't I get the matchScans function to work properly?
Hello Amrik, We cannot be sure about the reason for the inaccuracy in the scan matching. However, using a different algorithm t...

6 years ago | 0

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how to done inverse kinematics for 5 dof robotic manipulator in simulink? please provide any suggestion and information or any material please
Hi Sagar, We have a published example to use do inverse kinematics in Simulink: https://www.mathworks.com/help/robotics/exampl...

6 years ago | 0

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How to extract data from diagnostics_msgs/DiagnosticArray ROS message type in Simulink?
Hi Sorry for the delayed response. I was able to create this, it is indeed a bit tricky with Simulink buses and able to extra...

6 years ago | 1

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Answered
problems with installed toolbox
Please reach out to our support: https://www.mathworks.com/support/contact_us.html and they will be able to help you with correc...

6 years ago | 0

Answered
run Simulink block on host computer in external mode
Hi Arda If the EV3 can be treated as a generic Linux (which has the ROS installed on it), then you can use ROS codegen capabi...

6 years ago | 0

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how to solve timing problem with laser scan (synchronizing with odometry) in MATLAB with bag file
We have a functionality in "getTransform/ transform/ canTransform" methods: http://www.mathworks.com/help/robotics/ref/transf...

6 years ago | 0

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Error using ROS custom messages add-on
Ok I am glad to announce that we fixed the issue in our product, and there is a new version for the addon 17.2.1 present. On ...

7 years ago | 0

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How do I check the state of ROS Master??
Sorry for the late response. Note: In future please select the right product (as I added Robotics System Toolbox in the product ...

7 years ago | 0

Answered
Simulink ROS Kinetic Gazebo Turtlebot image always black
As mentioned by you, you are noticing an error code of 1, as per documentation: https://www.mathworks.com/help/robotics/ref/r...

7 years ago | 0

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How to extract data from sensor_msgs/Joy ROS as timeseries in MATLAB script?
As shown in the example: https://www.mathworks.com/help/robotics/ref/timeseries.html filepath = fullfile(fileparts(which('ROSWo...

7 years ago | 0

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How to extract RGB values of image stream
You will need a Subscriber in Simulink to subscribe to the topic (on which the image is being streamed), and then use the ReadIm...

7 years ago | 0

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Answered
Simulink + ROS + Arduino code generation
The Simulink ROS code deployment relies on target machine to have: - Linux - ROS installed - catkin_make installed As these a...

7 years ago | 1

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How does MATLAB calculate the geometric jacobian for a manipulator?
Unfortunately, we don't see your hand-calculated solution, so it's a little bit difficult for us to pinpoint the actual problem ...

7 years ago | 1

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quat2eul conversion sequence
Hi Jamie, The 'XYZ' sequence was recently added to Robotics System Toobox(TM) in the R2017b release. I am assuming you are vi...

7 years ago | 0

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Updating existing custom message types with rosgenmsg
Hi Daniel, Sorry that you are having trouble updating the message definition for the |leap_motion| package. You can replace t...

8 years ago | 1

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Answered
Matlab and Robotic System Toolbox: java.lang.OutOfMemoryError: GC overhead limit exceeded
Depending on your MATLAB configuration and other running code, the Java heap space might be limited. This can lead to the error ...

9 years ago | 1

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Answered
How to subscribe/publish to custom messages using rosmatlab ?
In 2015a, MathWorks released the ( <http://www.mathworks.com/products/robotics/ Robotics System Toolbox> ), which provides an in...

9 years ago | 0

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Answered
How can I use custom ROS messages with Robotics System Toolbox?
Hi Gautam, You can add the support for custom ROS messages by installing the *Robotics System Toolbox Interface for ROS Custo...

9 years ago | 1

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