Sebastian Castro
MathWorks
Followers: 4 Following: 0
Robotics and AI educator at MathWorks. Co-host of the MATLAB and Simulink Robotics Arena.
Professional Interests: Education, Robotics, Simulation, Controls, Algorithms, Physical Modeling, Model-Based Design, Computer Vision, Machine Learning, Software Engineering
Non-professional Interests: Running, beer, wine, and heavy metal \m/
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How do I make an autonomous line following program and also have driver control
Have you seen this new video of ours? https://www.mathworks.com/videos/switching-between-driver-and-autonomous-control-of-vex-r...
etwa 6 Jahre vor | 0
Hor to make a URDF file?
URDF is a file format used externally to MATLAB. It just happens that MATLAB has a URDF importer. Here are the official tutoria...
etwa 6 Jahre vor | 0
Simulink 3D Animation vs. Mechanics Explorer
Simulink 3D Animation requires you to simulate the robot dynamics separately, and then whatever positions you get from your simu...
etwa 6 Jahre vor | 1
| akzeptiert
Robotsimulator is undefined function
That was from a demo, and not a shipping product feature. The closest thing I can think of in the latest version is the basic M...
etwa 6 Jahre vor | 0
| akzeptiert
I have no 'Build Model' button on my Simulink model Toolbar.
Do you have MATLAB Coder and Simulink Coder in your license? If you type in >> ver in MATLAB, do those toolboxes show up? - ...
etwa 6 Jahre vor | 0
Error using RoboticsPlayground app while running a sample simulation
Do you have a Simscape Multibody license? If you type in >> ver in MATLAB, does that toolbox show up? - Sebastian
etwa 6 Jahre vor | 0
frames not appearing using robotics system toolbox
Maybe the frames have a default size that is much smaller than the robot. If you divide the distance values of the DH parameters...
etwa 6 Jahre vor | 1
| akzeptiert
Mobile Robotics Simulation Toolbox: Map Issues
The toolbox will accept any binaryOccupancyMap or occupancyMap variable as the map (or robotics.BinaryOccupancyGrid and robotics...
etwa 6 Jahre vor | 0
Issue: Create ROS master on Matlab
Two things. First, if all you want to do is create a ROS master on the localhost, all you need is the following rosinit Secon...
mehr als 6 Jahre vor | 0
Is it possible to use PRM and sequentially findpath function in Simulink?
It's doable in the sense that you can put the code in a MATLAB Function block (or as a MATLAB Function in Stateflow). It has its...
mehr als 6 Jahre vor | 0
| akzeptiert
Simulation Map Generator issues
The error you linked is a common one that happens when you input a grayscale (M x N) image instead of a color (M x N x 3) image....
mehr als 6 Jahre vor | 1
| akzeptiert
Trajectory plotting of manipulator path in Simscape
Hi Gautami, Simscape Multibody has a "Spline" block that lets you display a curve if you pass in the XYZ points. You have to di...
mehr als 6 Jahre vor | 1
Empty thermal liquid tank
Have you looked into Simscape Fluids? They have a built in Thermal Liquid tank block you can parameterize based on specs like th...
mehr als 6 Jahre vor | 0
Feeding knees angle to the walking robot
Thanks for tagging this post with roboticsarena so we got that notification! Much appreciated. In Simscape Multibody, you can c...
mehr als 6 Jahre vor | 2
| akzeptiert
ROS Publish Msg - DJI ROS OSDK
Instead of using a Bus Creator block, use a Blank Message block with the right message type (sensor_msgs/joy), and then use a Bu...
mehr als 6 Jahre vor | 0
No visualisation shown in mechanics explorer
You might want to check that the folder containing the mesh files (the .STL or .STEP) files is on your MATLAB path. Else, the si...
mehr als 6 Jahre vor | 1
In PRM algorithm how much the Minimum number of nodes needs to find the path
You don't! Probabilistic planning approaches have no guarantees, so you just have to pick something that succeeds most of the ti...
mehr als 6 Jahre vor | 0
| akzeptiert
What is the best desktop configuration/parts to run Matlab?
MathWorks has a system requirements page you can look at! https://www.mathworks.com/support/requirements/matlab-system-requirem...
mehr als 6 Jahre vor | 1
| akzeptiert
Perform Safe Trajectory Tracking Control on Baxter robot
I'd suggest starting by computing the inverse kinematics/dynamics for each arm independently and seeing if you can place both ma...
mehr als 6 Jahre vor | 0
| akzeptiert
Subscribing to a topic with our own defined message type in ROS through Simulink
There is an example in the documentation for setting up custom ROS messages: https://www.mathworks.com/help/robotics/ug/create-...
fast 7 Jahre vor | 0
Path Following for a Differential Drive Robot
Do you mean the exact code that is shown in the documentation page? Because it's all there... https://www.mathworks.com/help/ro...
fast 7 Jahre vor | 0
| akzeptiert
Cannot connect to ROS device
Hi An, Have you installed openssh-server on your Ubuntu machine? This is needed for the tests to succeed, far as I recall. htt...
fast 7 Jahre vor | 2
| akzeptiert
Mobile robotics training toolbox
This means you don't have a Robotics System Toolbox license. If you are able to get one, this issue should be resolved. - Seba...
fast 7 Jahre vor | 1
| akzeptiert
Custom ROS msg type does not get added to rosmsg list even after MATLAB restart
Hi An, Pretty sure the ROS package requires your .msg file to be inside a subfolder called msg. So your folder structure shoul...
fast 7 Jahre vor | 2
| akzeptiert
ROS create PointCloud2 from MATLAB pointCloud
Hello Connor, It's almost been a year since you asked, but I just learned about this question! I've written MATLAB and Simulin...
fast 7 Jahre vor | 1
| akzeptiert
Difference between Simulink Coder and Embedded Coder
Both Simulink Coder generate C code from Simulink models, and both of them can put that C code in a C++ wrapper to be effectivel...
fast 7 Jahre vor | 3
| akzeptiert
arduino uno simulink matlab Simulink does not permit you to modify the MATLAB installation area.
"Please change to a working folder that is not in the MATLAB installation area and re-try the previous command." So... as the e...
fast 7 Jahre vor | 0
Variable resistor in Simscape Specialized Technology
You can build one fairly quickly using the approach discussed here: https://www.mathworks.com/help/physmod/sps/powersys/ug/buil...
fast 7 Jahre vor | 0
is turtlebot 2i also opera table using matlab?
You can control a TurtleBot2 from MATLAB using ROS: https://www.mathworks.com/help/robotics/examples/get-started-with-a-real-tu...
fast 7 Jahre vor | 0
Abc to dq0 transformation
In Simscape Electrical (previously Simscape Power Systems) https://www.mathworks.com/help/physmod/sps/powersys/ref/abctodq0dq0t...
fast 7 Jahre vor | 0
