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# Steve Miller

Last seen: Today Attivo dal 2011

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Calculating moment of inertia (MoI) using period of oscillation obtained from Simscape leads to inaccurate values
Interesting application! As I am sure you know from your studies, the frequency of a rotational harmonic oscillator is sqrt(rot...

29 minuti fa | 0

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How to get numerical info of "Derived Values" of Flexible Beams in Simscape Multibody
Through release R2022b you cannot programmatically access those values. You can, however, just copy/paste them from the dialog ...

circa 4 ore fa | 0

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Modeling a simple beam as a flexible body on Simscape
A file is missing from the content above: PracticeOriginalEgFlexibleModel.STL The rest of the settings and connections look OK,...

circa 5 ore fa | 0

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Simscape Multibody: Reduced Order Flexible Solid caused a simulation error.
This is a very interesting application. The process you followed looks good, but it appears the matrices produced by the analys...

circa 7 ore fa | 0

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Is there any way to create inertial forces in Simscape Multibody?
An example of inertial forces is modeled in the File Exchange submission Modeling and Simulation of an Autonomous Underwater Veh...

circa 22 ore fa | 0

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How to estimate the correct value of "Damping Constant" for Flexible Beams in Simscape
The Damping Matrix parameterization method for the Reduced Order Flexible Solid lets you specify individual damping values for t...

1 giorno fa | 0

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Hi Michele, The function simscape.multibody.tirread for reading tire parameter files (.tir) will read any any .tir file. The e...

1 giorno fa | 0

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Forward and Inverse Dynamics Solver in Simscape Multibody
Any explanation as to why one simulation runs slower/faster could depend on many additional factors than the algorithm used. If...

1 giorno fa | 0

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Is the "rotation matrix" computed by the "transform sensor" block a DCM or a rotation matrix?
The Rotation Matrix produced by the Transform Sensor can be used to transform quantities from the Follower frame axes to the Bas...

1 giorno fa | 0

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How to set block parameters in a Matlab RL reset function
Hi Carson, I suspect the reason this did not work is because you have not configured the target position to be a run-time param...

1 giorno fa | 0

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Setting Initial Conditions In Simulink Model while Training Reinforcement Learning Agent
The behavior you describe (some values tune, others do not) indicates you have not configured the parameters in the Simscape Mul...

1 giorno fa | 0

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Reinforcement Learning and Simscape
Hi Rosario, The Reinforcement Learning Toolbox page has a number of resources and examples for discovering how to use Reinforce...

1 giorno fa | 0

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My Multibody Project Problem
I exported the model from SolidWorks, imported into Simscape Multibody, and dealt with enough of the warnings to get it to run. ...

2 giorni fa | 0

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How can I connect fixed 3 cable spool to a box in 3 different directions ?
Hi there. I looked at your model and simplified based on my best guess from the diagrams you attached. I think your original m...

2 giorni fa | 1

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I am not sure why it failed for you. It looks like you did not download the correct file. The file I obtained when I tried it h...

3 giorni fa | 0

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The zero total mass is incompatible with the nonzero center of mass. Resolve this issue in order to simulate the model.
In your DataFile, there is a part set to have 0 mass but a nonzero center of mass. Likely, the density of the part is 0 in Inve...

3 giorni fa | 0

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How to obtain the State Transition Matrix from Simscape Multibody model?
It seems like you need the state of your multibody system evaluated at a specific configuration. If you create an inverse kinem...

3 giorni fa | 0

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ASB Quaternion to rotation angles block creating input data dependency
I made a simple version of your model and it seemed to work fine. The Simulink model is attached and a screenshot is below. I ...

3 giorni fa | 0

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How do I carry out this trajectory through this data?
You can use the Repeating Sequence block to define the sequence for the square. I have attached the model to this answer. Bel...

3 giorni fa | 0

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Modeling different atmosphere condition compatible with Simscape
The COESA model takes as input the height and outputs temperature, speed of sound, air pressure, and air density all as Simulink...

3 giorni fa | 0

| accettato

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I can't find the "Rotational Multibody Interface" block in the simscape library but I have installed the most recent version of Simscape and Simscape Multibody
I promise you, they are there! Here is where you can find them in the library browser. You can also use quick insert to put th...

3 giorni fa | 0

| accettato

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Why am I getting an error when trying to set the revoluta blocks?
I looked at your model - very impressive! Your gears are rigidly connected to each other, which is preventing them from spinn...

3 giorni fa | 0

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Simscape Multiboy Link not appearing in Inventor
Simscape Multibody Link is not yet compatible with Autodesk Inventor 2022. See the list of compatible software versions here: ...

3 giorni fa | 0

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Simulation of offshore lift through splash zone.
TheExternal Force and Torque block enables you to apply a custom force to a frame in your Simscape Multibody model. If you can d...

3 giorni fa | 0

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How to add a spring between the ends of two rods？
Attached to this comment is a zip file that enables you to create a simple visualization of springs within the Mechanics Explore...

3 giorni fa | 0

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How to add a contact constraint between ratchet and pawl
This example is very similar to your system - Ratchet Lifter. https://www.mathworks.com/help/releases/R2022b/sm/ug/ratchet_...

3 giorni fa | 0

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Anisotropic Friction Modelling in Perpendicular Directions of Contact Surface for Snake Robot Locomotion
The Spatial Contact Force block lets you use your own custom friction force if you set the Frictional Force Method to "Provided ...

3 giorni fa | 0

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How to define Contact force in Simscape Multibody
I think your best option is to add interface frames to your flexible body at distributed locations, attach Point geometry at tho...

3 giorni fa | 0

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