Answered
How to model a robot joint that is actuated with torque amplified through a gearbox in Simulink / SimMechanics?
I recommend you look at the tutorial on this documentation page: https://www.mathworks.com/help/physmod/sm/ug/satisfying-gear-a...

4 years ago | 0

Answered
How to simulate the process of stick fall down by using multibody (not fall free in the direction of gravity )?
It looks like you have all of the mechanical components. The remaining steps are: Model contact between the stick and the floo...

4 years ago | 0

Answered
Simulating a tendon driven robotic finger on Simmechanics
There are a set of blocks directly in Simscape Multibody that enable you to model systems with cables. See this documentation p...

4 years ago | 0

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Answered
Simscape Multibody (SimMechanics) - obtaining symbolic dynamic model
As answered above, the desired task (finding optimal link lengths/sizes, to minimize actuator torque) does not require a full sy...

4 years ago | 0

Answered
Trying to convert Kelvin to Celsius in Simscape code
The piece of code you have shared doesn't completely describe the situation. A mismatch in units could be caused by the paramet...

4 years ago | 0

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Answered
Calculate forces acting on cylinder in a given sea state at different water depths.
Absolutely. Many companies use Simscape for this purpose. As an example, WEC-Sim (Wave Energy Converter SIMulator) is an open-s...

4 years ago | 1

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Answered
Translational Multibody Interface cannot solve velocity
The diagnostic indicates you are missing a reference node Check for missing reference node. The block you are likely miss...

4 years ago | 1

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Answered
How can I apply actuation to multiple joints in sequence?
It seems like you want to have prescribed motion for the second phase of a simulation and free motion for the first part. You c...

4 years ago | 0

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How to model ground contact with contact library for a hopping human?
To set the stiffness parameters properly, you should determine what is the maximum penetration the feet can have with the ground...

4 years ago | 0

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running Simscape multibody, Has anyone ever been in a situation like this?Black screen and double.
This is an issue with your graphics driver. Users who have had this issue have seen it go away with the next graphics driver up...

4 years ago | 0

Answered
How to join two simulink vehicle multi-body parts together?
Hi Arthur, You can connect parts together simply by connecting the frame ports on the two separate solids with a line. If you ...

4 years ago | 0

Answered
smlink_linksw not completing execution
As mentioned by Luke, it should take 5-10 minutes. Make sure you are running MATLAB as administrator. --Steve

4 years ago | 0

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Simscape Multibody Link Weldment Import Error (Solidworks)
Hi Daniel, The error "The parameter Geometry/File Name is a file that does not exist." indicates that the geometry file was not...

4 years ago | 0

Answered
Simmechanics Weird behaviour when simulating a four bar linkage with an initial condition
As answered by Swarooph above, setting the initial conditions properly and ensuring the linkages are the right length resolved t...

4 years ago | 0

Answered
Why do I receive an error while using smimport (Undefined function or variable 'sm_robot_DataFile', smimport_implementation error in line 165)?
You need to run that function when you are in a directory where you have write access. Your screenshot shows you are in the ins...

4 years ago | 0

Answered
Different simulation behavior if simulation is called from within function vs. from script
I believe the 'SrcWorkspace','current' is different if you call from within a function or a script. See this answer. https://w...

4 years ago | 0

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How to import a file with (*.xml) extension from Solidworks 2015 to Simulink 2013a
There are a few potential problems with the MATLAB session shown above: Did you create the XML file using the SolidWorks Plugin...

4 years ago | 0

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How to understand "Total torque" acting on a revolute joint ?
The total torque acting at a joint includes contributions from actuation, constraint, and internal torques. For an explanation o...

4 years ago | 0

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Rotation sequence SimMechanics 2nd Generation
The sequence of blocks and transforms looks correct to me. It is hard to tell without the settings from the models. It is poss...

4 years ago | 0

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Measure contact force between two bodies smMechanics 2013b
I recommend you use the Spatial Contact Force block. https://www.mathworks.com/help/physmod/sm/ref/spatialcontactforce.html -...

4 years ago | 0

Answered
Platform simulation doesn't work
I believe an example of the system you are modeling is available here: https://www.mathworks.com/matlabcentral/fileexchange/100...

4 years ago | 0

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How to import a catia v5 Model /Assembly to simmechanics?
The File Solid block can read CATIA part files directly. https://www.mathworks.com/help/physmod/sm/ref/filesolid.html You...

4 years ago | 1

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How does simscape work? What's the physics engine under this?
Simscape Multibody is based on Newtonian dynamics, similar to other specialized multibody simulation tools. It is more detailed...

4 years ago | 0

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How to build dynamic model in SimMechanics ?
Simscape Multibody is based on Newtonian dynamics. --Steve

4 years ago | 1

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Answered
Rigid transform and legacy workspace variable problem
Some blocks in Simulink will evaluate parameters that are not active, and if they refer to undefined MATLAB variables they will ...

4 years ago | 0

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Answered
Why does all added simscape multibody libraries disappear when I restart MATLAB?
Hi Darth, This library isn't being uninstalled. The library is part of a MATLAB Project, and that project closes when you shut...

4 years ago | 1

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Is it possible to connect multiple rotational multibody interface blocks to a 1D Simscape Driveline network?
Hi Mattia, There are a few problems with your model: Your units of measurement are not the same. One is in rpm, the other is ...

4 years ago | 1

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Answered
Finding equilibrium point of simhydraulics model
Both of the options you mention are possible: > Allow a dwell period in the beginning so the model can reach equilibrium before...

4 years ago | 0

Answered
How I can add to a gear contraint to my simscape multibody model in order to this works only in a determinated instant time?
You can enable/disable degrees of freedom by activating/deactivating Joint blocks. Set the "Mode" parameter to "Provided by Inp...

4 years ago | 0

Answered
How can I simulate a wire actuated soft robot?
Some suggestions: If you can treat the finger segments as rigid and put joints with spring and damping coefficients at the plac...

4 years ago | 0

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