Josh Chen
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DURCHSCHNITTLICHE ANZAHL DER LIKES
Contribute at least one answer each month for 12 consecutive months
Awarded to Josh Chen on 02 Aug 2024
20 of your answers have been accepted
Awarded to Josh Chen on 30 Aug 2023
Answer 3 questions that were unanswered for more than 30 days
Awarded to Josh Chen on 22 Jan 2021
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Awarded to Josh Chen on 26 Oct 2020
Feeds
Header Assignment block error in ROS Toolbox: Header Assignment/Current Time' error occurred
Hello Hasan, Thanks for bring this issue to our attention. This is a known bug caused by an internal infrastructure update. We ...
2 Tage vor | 0
| akzeptiert
ROS rate in Simulink with standalone code generation
Hi Balint, The actual message publishing rate can be affected by many other factors, and it may not be exactly the same as spec...
4 Monate vor | 0
How to solve this warning: This property will be converted to datatype "double" in the Simulink bus.
Hi An and Zheng, This auto conversion from int64 to double is to align with standard Simuilnk datatype by default. To avoid suc...
6 Monate vor | 0
ROS2 compile a standalone node: undefined references to `std::__throw_bad_array_new_length()'
Hi Federico, Thanks for providing the system information. This error seems to be a compiler incompatible issue. In R2023b vers...
6 Monate vor | 1
| akzeptiert
Closed loop between Simulink and Autoware
Hi Nupur, Thanks for sharing the model. Unfortunately, it is still very changing to provide valuable suggestions without lookin...
6 Monate vor | 0
Why the time has not been synchronized between ros2 and simulink
Hi Nupur, In the model 'Sample.slx' you shared, the 'To Workspace' blocks have been placed at the top level of the model. Hence...
6 Monate vor | 0
| akzeptiert
Getting ros2 time to stamp the PoseStamped message
Hi Samantha, We introduced ros2time since R2022b. If you are looking for a ROS 2 equivalent for getting timestamp and you are...
8 Monate vor | 0
| akzeptiert
Error in ros2genmsg (line 467) buildPackage(builder, [], ' --merge-install', colconMakeArgs);
Hi Quan, As the build log message mentioned, the culprit is that the package name of your custom message is "action_msgs", whic...
9 Monate vor | 0
| akzeptiert
Simulink codegen(with ROS2 Node) output error
Hi Rahul, It is hard to tell what's going on based on the description. When this happens, were you able to launch the generated...
10 Monate vor | 0
Read raw Bayer matrix from ROS2 image message
Hi Avishay, I am assuming you have the Image Processing Toolbox installed on your machine. By default, if you have Image Proces...
11 Monate vor | 0
ROS tool box's cantransform() and gettransform() still trigger on a stale tf.
Hi Mattew, It sounds like this might be related to the 'BufferTime'. By default, the buffer time for buffering transformations ...
12 Monate vor | 0
unable to connect 2 turtlebot3-burger with Simulink using ros subscribe block
Hi Hemant, Do you need to control those two turtlebots with different ROS_MASTER_URI with one single Simulink model? If yes, co...
12 Monate vor | 0
| akzeptiert
Problem with installing ROS on Matlab
Hi Jonas, It seems there is a redefined variable in niryo_robot_status/msg/RobotStauts.msg - REBOOT_MOTOR has been defined twic...
12 Monate vor | 0
| akzeptiert
"Error while processing" while using codegen in Matlab 2023a
Hi John, Thanks for reporting this issue. It would be nice if you could share a script and reproduction step so we can reproduc...
etwa ein Jahr vor | 0
How to add cv_bridge support in code generation ?
Hi Nicolas, Since you mentioned that both packages seem to be already installed. I assume you are trying to build and run the m...
etwa ein Jahr vor | 0
Error in rosReadBinaryOccupancyGrid
Hi SEUNGSHIN, Thanks for bringing this use case to our attention. As for now, there is no Simulink block for reading binary o...
etwa ein Jahr vor | 0
| akzeptiert
ros2genmsg folder path validation error line 197
Hi CB, Which location are you trying to generate these messages to? It seems somewhere under "C:/Program Files/..."? Would it w...
etwa ein Jahr vor | 0
How do I reconstruct a TF tree from a rosbag?
Hello David, Yes! You may consider to use the getTransform function in BagSelection Object or rosbagreader Object to get the tr...
mehr als ein Jahr vor | 0
Sending/Recieving ROS transformation /tf using Simulink
Hi Jürgen, In 2015b, you should be able to subscribe to the /tf topic directly with the ROS Subscribe block, and connect the ou...
mehr als ein Jahr vor | 0
How do I properly generate code to set the topic name for a ROS 2 publisher using the value of the getParameter(...) function?
Hi Sam, Unfortunately, the topicName input for ros2publisher has to be a constant. Since parameter value is not constant, you c...
mehr als ein Jahr vor | 0
| akzeptiert
matlab custom ROS message C++ compiler not supported
Hi Joshua, This is likely related to missing component when installing visual studio 2019. In this post and this post, there ar...
mehr als ein Jahr vor | 0
ROS2 distribution support: Humble
Hi Andinet, Thanks for reaching out! Yes, we are actively working on switching to Humble. For the latest updates to ROS Toolb...
mehr als ein Jahr vor | 1
implementin NMPC in ROS using code generation
Hi Mikael, Thanks for sharing this additional information. I think using "goal variable" is a smart idea for generating the ROS...
mehr als ein Jahr vor | 0
| akzeptiert
The library method 'vision.internal.buildable.ComputeMetricBuildable.updateBuildInfo' failed
Hello Andinet, As the error message suggested, please use >> mex -setup to set up the compiler so that MATLAB can find the ...
mehr als ein Jahr vor | 0
how can I make the simulink model to save some array data or ROS2 bag log in SD card in jetson nano
Hi Chulhoon, What is the data type of your results? One idea is to use Publish blocks to publish the result back to ROS 2 net...
mehr als ein Jahr vor | 0
ROS2 with simulink
Hello Rahul, In order for Simulink to subscribe to the topic and receive custom messages, you need to provide message definitio...
mehr als ein Jahr vor | 0
Why can't I publish ROS messages using simulink？
Hello Liam, When this kind of "only one way communication available" happens, it usually has something to do with the setting o...
mehr als ein Jahr vor | 0
Unstable communication of turtlesim in ROS2 in Simulink
Hello 健, Custom messages are supported in Simulink as well. If I understand your question correctly, you are trying to subscri...
mehr als ein Jahr vor | 0
Rosinit error: Undefined function or variable 'rosinit'
Hi Alireza, This error indicates that MATLAB is not able to find the function 'rosinit'. Likely, some path got messed up. You c...
mehr als ein Jahr vor | 0
ROS compilation fails because 'slros_initialize.h' is missing.
Hello Markus, As Tobias suggested, please change the hardware board seeting to 'Robot Operating System (ROS)'. This is required...
mehr als ein Jahr vor | 0
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