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Christoph Hahn

MathWorks

Aktiv seit 2014

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Technical Education Specialist - working with researchers, teachers, students.

Running the MATLAB and Simulink Racing Lounge
Blog: https://blogs.mathworks.com/racing-lounge/
Video Podcast: www.mathworks.com/racinglounge

Background: Mechanical Engineer, Ph.D
Interests: Physical Modeling, Image Processing

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Beantwortet
How to use the generic engine in simscape??
Hi Nitin, I suggest you start from the model "carControlSoln.slx" (also attached for convenience) model from the physical model...

mehr als 4 Jahre vor | 1

Beantwortet
How to use the generic engine in simscape??
Please provide the mat-file that contains: tire_b, tire_c, tire_d, tire_e, tire_dia etc. Otherwise it'll be hard to reproduce ...

mehr als 4 Jahre vor | 0

| akzeptiert

Beantwortet
Truss3 in Larrys Toolbox not returning an answer (NaN)
Hi Brad, I am using here Larry's example 'truss3x2.m' for illustration purpose. He uses 3 types of joints (one could also sa...

mehr als 4 Jahre vor | 1

Beantwortet
referencing a hybrid model with a different fixed step size
Hi Luca, in order for others to be able to help, you will need to share an example model. If you don't want ot share crucial IP...

mehr als 5 Jahre vor | 0

Beantwortet
How to set initial velocity to Simscape (with wheels with input torque)?
Hi Clemente, of course you can set an initial angular veloctiy. You seem to be using Revolute joints. By adding Properties -> M...

mehr als 5 Jahre vor | 0

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Beantwortet
Why is the input signal to my suspension model settling at a non-zero value and drift away? Why does the drifting go away when I change a nonlinear damper to a linear one?
Hi Ryan, thanks for your query. I am neither able to see nor able to download your figures. Would you mind checking. Thanks! Bes...

fast 6 Jahre vor | 0

Beantwortet
Simscape Multibody frame to spline distance
Hi Chridert, Sounds like an interesting one, is this questions still current for you? If yes, would be great if you could ...

fast 6 Jahre vor | 0

Beantwortet
I tried to show the following parameter: torque, rotor speed, stator currents, frequency...etc but appears 2 errors...
Hi Vlad, can you please share the model as well (a minimal example is fine). It is impossible to help without being able to r...

mehr als 6 Jahre vor | 0

Beantwortet
WHY IS THE SUBSYSTEM TAKING MAX POWER OUT AND DIVIDING IT WITH THE RPM OG MOTOR?
Hi Kartik, Some preliminary notes: * The question is referring to this File Exchange submission: <https://www.mathworks.co...

mehr als 6 Jahre vor | 2

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Beantwortet
Can't find/understand constants in the MATLAB and Simulink Racing Lounge model
Hi Diego, I am not sure what exact model you are referring to. Could you please send the link or upload the model that you wo...

mehr als 6 Jahre vor | 0

Beantwortet
How is tractive force calculated from the PID controller of the Glider Model?
Consider the tractive force to be an input to the vehicle model, so that the car reaches a desired speed. For example, this i...

mehr als 6 Jahre vor | 0

Beantwortet
How is tractive force calculated from the PID controller of the Glider Model?
Hi Matt, the model is a closed-loop control system. The PID block gets the difference between desired speed (from drive cycle...

mehr als 6 Jahre vor | 0

Beantwortet
Invalid outputTimes while using Simulink Design Optimization
Hi Stephan, could you please share everything that is needed to reproduce your problem as attachment to this article. Than...

etwa 7 Jahre vor | 0

Beantwortet
Getting a problem when adding a rigid transform block to a simmechanics model imported from solidworks
Can you please inlcude the datafile to your model. This is very important. Thanks! <</matlabcentral/answers/uploaded_files/72...

mehr als 7 Jahre vor | 0

Beantwortet
Getting a problem when adding a rigid transform block to a simmechanics model imported from solidworks
Hi Jake, the model you attached just runs fine. Please provide us with the model that shows the error message. In general,...

mehr als 7 Jahre vor | 0

Beantwortet
Getting a problem when adding a rigid transform block to a simmechanics model imported from solidworks
Hi Jake, could you do us a favor and upload the models before and after the error occurs. I have a suspicion but don't want t...

mehr als 7 Jahre vor | 0

Beantwortet
How can i link the powersys domain with my BLDC motor model?
Hi Om Sharma, thanks for your question. Can you please attach your model (or a simplified version of it). This will allow u...

mehr als 7 Jahre vor | 0

Beantwortet
How to create a more accurate gearbox following from the powertrain matlab tutorial
Hi Al-Amin Miah, I was able to reproduce what you are seeing. I had to use an ideal torque source instead of the generic engi...

mehr als 7 Jahre vor | 0

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Beantwortet
How do I use a generic engine block successfully within my vehicle simscape model?
Hi Ryan, I had a look at the model you sent in the mail. Here a few comments: * The description of the vehicle body says: ...

mehr als 7 Jahre vor | 0

Beantwortet
How do I use a generic engine block successfully within my vehicle simscape model?
Hi Ryan, I had a look at your model. Overall your model looks meaningful to me. Here a few comments: * If you are start...

mehr als 7 Jahre vor | 0

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Beantwortet
How do I convert a race track image file into X,Y coordinates?
Hi Nikhil, please consider uploading an image to be able to provide better support. Assuming that you are working with bin...

mehr als 7 Jahre vor | 0

Beantwortet
How do I use a generic engine block successfully within my vehicle simscape model?
Hi Ryan, can you please attach the model (or a simplified one). I would like to try and see whether I experience sth similar....

mehr als 7 Jahre vor | 0

Beantwortet
Pacejka Tire Model (Magic Formula) for lateral dynamics?
Hi Surojit, I suggest you check out <http://www.mathworks.com/matlabcentral/fileexchange/45343-vehicle-model-with-delft-tyre-...

mehr als 7 Jahre vor | 1

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Beantwortet
Arduino Interrupts
Dear Curtis, you can check out that entry on the FileExchange <http://www.mathworks.com/matlabcentral/fileexchange/30277-embe...

mehr als 7 Jahre vor | 0

Beantwortet
How do we use interrupts on Arduino Due with Simulink?
Dear Kevin, you can check out that entry on the FileExchange <http://www.mathworks.com/matlabcentral/fileexchange/30277-embed...

mehr als 7 Jahre vor | 0

Beantwortet
How to determine proper proportional gain and derivative gain for my vehicle model?
Hello Shuo, I am agreeing to Swarooph's comment. Simscape allows to model using actual physical quantities with the respectiv...

fast 8 Jahre vor | 0

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Beantwortet
How do I modified this car model to restrict the 3 axes movement of the hubs?
Dear Shuo, when importing from CAD system (here: SolidWorks using Simscape Multibody Links add-in) internal mechanics aren't ta...

fast 8 Jahre vor | 0

| akzeptiert

Beantwortet
How to create a linux shared object from matlab code (Matlab 2015b)
Dear Stephan, regarding your first question, I have a twofold answer: # Use a cross-compiling workflow such that one <http...

fast 8 Jahre vor | 1

| akzeptiert

Beantwortet
How to model a e-auto
Hello Jianghui Xu, my name is Christoph and I have been in the team that has developed this course. Great to hear that it is ...

etwa 8 Jahre vor | 1

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