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Sebastian Castro


MathWorks

887 2012 이후 총 참여 횟수

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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Using MATLAB with Python
Files demonstrating MATLAB and Python interoperability

13일 전 | 다운로드 수: 33 |

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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...

18일 전 | 0

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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...

18일 전 | 0

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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....

약 2달 전 | 1

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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...

3달 전 | 0

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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...

3달 전 | 0

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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...

4달 전 | 2

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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...

4달 전 | 0

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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...

4달 전 | 0

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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...

4달 전 | 0

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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...

6달 전 | 1

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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...

6달 전 | 0

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System Identification of MIMO
You can perform System Identification on a MIMO system, as shown in this example. If you already have a model in SimMechanics, ...

6달 전 | 0

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Pose from bearing angles in 2D
A robot moving on the plane has a sensor that measures the bearing angle to two mapped landmarks, that is, the world frame coord...

7달 전

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Twists in 2D
So far we have represented the pose of an object in the plane using a homogeneous transformation, a 3x3 matrix belonging to the ...

7달 전

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Pose interpolation in 2D
Consider two poses represented by homogeneous transformation matrices: |T1| and |T2|. Write an algorithm to interpolate between...

7달 전

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Composing relative poses in 2D: problem 2
We consider a world reference frame denoted by {0} which has its x-axis pointing east and its y-axis pointing north. There i...

7달 전

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Composing relative poses in 2D: problem 1
We consider a world reference frame denoted by {0} which has its x-axis pointing east and its y-axis pointing north. There i...

7달 전

해결됨


Relative points in 2D: problem 3
The 2D pose of a robot, with respect to a world coordinate frame {O}, is described by a 3x3 homogenous transform matrix T. A la...

7달 전

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Relative points in 2D: problem 2
The 2D pose of a robot, with respect to a world coordinate frame {O}, is described by a 3x3 homogenous transform matrix T. A la...

7달 전

해결됨


Relative points in 2D: problem 1
The 2D pose of a robot, with respect to a world coordinate frame {O}, is described by a 3x3 homogenous transform matrix T. A la...

7달 전

해결됨


Relative pose in 2D: problem 2
We consider a world reference frame denoted by {0} which has its x-axis pointing east and its y-axis pointing north. There is a...

7달 전

해결됨


Relative pose in 2D: problem 1
We consider a world reference frame denoted by {0} which has its x-axis pointing east and its y-axis pointing north. There is a...

7달 전

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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-...

7달 전 | 0

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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...

7달 전 | 0

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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...

7달 전 | 0

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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...

7달 전 | 1

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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...

7달 전 | 2

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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...

7달 전 | 1

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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...

8달 전 | 3

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