Community Profile

photo

Cam Salzberger


MathWorks

322 2015 年以降の合計貢献数

I am a Software Engineer at MathWorks, and a Mechanical Engineer by education. I specialize in Robotics.

In my free time, I enjoy hiking and parkour.

Cam Salzberger's バッジ

  • 24 Month Streak
  • Revival Level 3
  • Thankful Level 3
  • Knowledgeable Level 4
  • Pro
  • First Answer

詳細を表示...

貢献した分野
表示方法

回答済み
External ROS node can't communicate with simulink
Hey Mark, I usually see this kind of issue going the other way (external nodes unable to send data to MATLAB/Simulink), but it'...

5日 前 | 0

回答済み
rosservice call not implemented
Hello Luca, The rosservice function is designed to give introspection information from the network about available services. Fo...

12日 前 | 0

回答済み
Error in ROS Custom Message
Hey Shlok, I believe that the Simulink message type selection drop-down should use the same functionality as rosmsg("list"). I'...

25日 前 | 0

回答済み
How can I change my ROS custom message after it's generated.
Hello Jaehyeon, The ROS custom messages supported by MATLAB are designed to be overwritten. So if you have gone through all of ...

約1ヶ月 前 | 0

| 採用済み

回答済み
Visualizing Robot using URDF format
Hello Prasanna, I can't claim to have experience with it, but I believe that you can use smimport to get the URDF into Simscape...

約2ヶ月 前 | 0

回答済み
How to get arrays of buses from message in ros subcribe in simulink and transfer to matlab function
Hello, You may need to manage your array sizes in Simulink ROS to allow the full number of points to be extracted from the arra...

2ヶ月 前 | 0

回答済み
MATLAB unable to receive messages of a custom ROS message type
Hey Harvard, Now that things have been narrowed down, hopefully I can offer some potential solutions. One of the biggest causes...

2ヶ月 前 | 0

回答済み
Fail to create ROS Publisher and ROS subscriber
Hello Ignacio, The message type "geometry_msgs/Twist" is one of the standard, built-in ROS message types. However, the message ...

2ヶ月 前 | 0

| 採用済み

回答済み
Can Matlab search through the current directory to find and import a file?
Hey Noah, You can use the dir function to get information on the contents of a folder. You can use wildcards (* or **) to match...

2ヶ月 前 | 0

| 採用済み

回答済み
How to change PointCloud2 Piont Data type?
The data type in the sensor_msgs/PointCloud2 ROS message type is hard-locked by the message definition. Note, however, that the ...

2ヶ月 前 | 0

回答済み
Simulink Robotics System Toolbox
Hey Shundai, Have you gone through the custom message support workflow to add that message type to MATLAB? It is selectable, be...

2ヶ月 前 | 0

回答済み
Data mismatch between ROS publisher and Simulink subscriber model
Hello Pavan, What is the difference between the two? What data is being stored (the whole ROS message, or an extracted data fie...

3ヶ月 前 | 1

| 採用済み

回答済み
How can I handle the array type of ROS messages ?
Hello Jaehyeon, It looks like the std_msgs/Float64MultiArray should be able to handle the array of data you are looking to prov...

3ヶ月 前 | 1

| 採用済み

回答済み
put a matrix as a variable in another matrix so i can access different matrixes
Hello Joris, As a quick-fix, you could make tn a cell array, containing the other matrices? tn = {th ho tm mi}; for n = 1:4; ...

3ヶ月 前 | 2

| 採用済み

回答済み
Image format error when reading ROS compressed images
Hello Asanka, Any messages published by the image_transport package should ensure that the Format field is in the form expected...

3ヶ月 前 | 0

| 採用済み

回答済み
What is the probability distribution used in PRM?
Hello Antonio, The PRM class uses a uniform sampling within the map limits (and free space) to do the path planning. There is c...

3ヶ月 前 | 0

| 採用済み

回答済み
ROS node generated by MATLAB runs as a process in Linux ?
Hello Jaehyeon, ROS nodes, generated from Simulink or not, generally run as their own separate process. Certain operations will...

3ヶ月 前 | 0

| 採用済み

回答済み
Why i am getting Nan?
Any time str2double is unable to translate a particular input into a number, it returns NaN. That is probably where the issue is...

3ヶ月 前 | 0

回答済み
How to use rosgenmsg when package.xml file is in different directory and msg directory is in different directory?
Hello Milan, If you check out the example workflow and packages that are used in the custom message example here, you can see t...

4ヶ月 前 | 0

回答済み
How to use rosgenmsg with a filepath on a separate computer?
Hey Theodore, Barring odd situations where you have other computer systems accessible through network paths ro the like, rosgen...

4ヶ月 前 | 0

回答済み
How do I get readImage (ROS) to work?
Hello Ulrik, It's good that you are experimenting with the 'DataFormat','struct' option for extracting messages from rosbags, s...

4ヶ月 前 | 1

| 採用済み

回答済み
Is it possible to convert .mat file into rosbag file? Is it possible to convert .avi file into .mat file in ROS?
Hello Subhash, There currently is no functionality in MATLAB for the creation of rosbag files. However, you could load the mess...

4ヶ月 前 | 0

回答済み
How can I manage more complex ROS messages in Simulink? (e.g. JointTrajectory)
Hello David, You can create an empty message structure of your desired type using the Blank Message block, and fill in the valu...

4ヶ月 前 | 0

回答済み
How can I write an app using matlab for my android phone, to communicate with an app that i created using app designer on my laptop?
The Android Support Package is good if you are looking to have two separate apps that manage their communication with each other...

4ヶ月 前 | 0

回答済み
Getting the data from the rosbag msg, when the data is an array
Hello Bren, Rather than using timeseries, try using readMessages to extract messages from your rosbag selection object. Try it ...

5ヶ月 前 | 0

回答済み
Best way to shutdown ROS when used with MATLAB Compiler
Hello Andreas, Instead of an infinite loop, an alternative design pattern you could try is to run the publishing within a timer...

5ヶ月 前 | 0

回答済み
ROS Subscribe Block - Signal Selector
Hey again, Ben, The issue is that the Markers_ field is, presumably, an array. For a MATLAB equivalent, it'd be like if you had...

5ヶ月 前 | 0

回答済み
Why MATLAB can not start on Ubuntu 18.04?
Hello Ye, This answer provides a good starting point for troubleshooting these types of issues. Beyond that, contacting MathWor...

5ヶ月 前 | 0

回答済み
Using Vicon Data from ROS and feed it to the Mambo Parrot Drone Flight Control System in Simulink
Hello Ben, If you have the Vicon pose estimate coming in over your ROS network, you can access it directly in Simulink through ...

5ヶ月 前 | 0

| 採用済み

回答済み
How can I use user defined type message in rossubscriber?
Hello Yun, For any non-standard (non-built-in) message types, you can make them available for use in MATLAB by using the Custom...

5ヶ月 前 | 0

Load more