Trajectory plotting of manipulator path in Simscape

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Hello all,
I am currently working on a trajectory path following project wherein I am trying to feed a path to a robotic arm in Simulink and have imported the CAD model with help of Simscape. I have successfully completed this part but just want to know if there is any way I can show the actual trajectory that the arm is following in the Simscape window explorer as shown in the attachment.

Risposte (1)

Sebastian Castro
Sebastian Castro il 18 Lug 2019
Hi Gautami,
Simscape Multibody has a "Spline" block that lets you display a curve if you pass in the XYZ points. You have to display the whole curve during the whole simulation, if that's OK. Also, since it is an interpolating spline, I'd recommend passing in a bunch of the trajectory points (just the waypoints) and it will hopefully look close to the ideal trajectory.
If you need something to visualize the full trajectory of the path a body actually took, I might recommend using a "Transform Sensor" block to log the XYZ position of a particular coordinate frame and then log that data to MATLAB where you have all the visualization capabilities.
That aside, I agree with you that there should be an easier way to trace the path of a selected coordinate frame during simulation and visualize it on the Mechanics Explorer itself. I will convey your use case to our development team!
- Sebastian
  4 Commenti
Hi, I am having the same problem did you figureout how to plot a trajectory from xyz cordinates from workspace
Hassan Jardali
Hassan Jardali il 30 Mag 2021
Hi Sebastian,
Did you add any feature in R2021 that let us to implement what you've mentioned above ? I really want to plot the trajectory while simulation and not at the start.
In your opinion, what fast solution can I implement?

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