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Simscape - Vehicle modelling - Nonholonimic constraints
If the vehicle is going to move in a single plane along a flat line, you can use the Rack and Pinion Constraint to implement the...

3 years ago | 1

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put environment file from solidworks in simscape
You can define your environment using the File Solid block, where you can reference your files directly. The robots can be impo...

3 years ago | 0

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knob data input add in workspace for simulink , simscape and multibody
As long as you have them defined as MATLAB variables in your workspace, you can use those variables in Simulink, Simscape, and S...

3 years ago | 0

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Problem with external torques on simscape multibody.
Hi Amatoallah - you need to make sure the external torque is applied about the z-axis, not x-axis. You have it correct for "Rev...

3 years ago | 0

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Answered
Simscape Multibody angle constraint translation bug
Hi Hashem Your Rigid Transform Pitch end ensures that the F frame it creates is 5 cm away from the B frame along the z-axis of ...

3 years ago | 0

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Tension in cable in Simscape
Tension needs to be measured at the end of the cable. I recommend you have at the end of the cable Belt-Cable-End <=> Rigid Tr...

3 years ago | 0

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Answered
When to use a frame and when to use a rigid transform?
Both methods you show result in frames created where you wanted them. The advantage of defining the frame within the Solid bloc...

3 years ago | 0

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How to use position input in simscape multibody
If you put an integrator block between the Constant block and the Simulink-PS block, your input to the joint will increase linea...

3 years ago | 0

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I am working on simulating a suspension system but I have a problem in connecting the wheel to the ground in a way that it does not cross the ground. What is the way for that?
We recommend you look at this example: https://www.mathworks.com/matlabcentral/fileexchange/110350-vehicle-dynamics-14-dof-mode...

3 years ago | 0

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How can I fix Simscape Multibody solids getting stuck loading the preview?
The file that defines the solid is either very complex (many surfaces, details) and creating a problem for your graphics card OR...

3 years ago | 0

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solver error containing nonlinear trajecttory input
This diagnostic indicates you have something very abruptly happening near the start of the simulation. You will need to look at...

3 years ago | 0

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I have no idea using wheel rotation to ground in Simscape Multibody.
Hi Jun Hyuk Jeon - the diagnostic is telling you what you need to change. This MATLAB Answer entry shows the setting. https://...

3 years ago | 0

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Why the angular velocity is not constant?
You have only configured your motor to have an initial speed of 1 rad/s. To specify that the motor should always move at 1 rad/...

3 years ago | 0

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Answered
Spools connection in Simscape model
The connection highlighted in your diagram needs to connect to a cable connection (gray dotted line), not a frame (gray solid li...

3 years ago | 1

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Answered
Simscape multybody revolution joint module 2*pi
You can modify the Simulink signal to have the value you want. Feed the target position to both the Revolute Joint block and a ...

3 years ago | 0

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Is it possible to map a texture to the Rigid Terrain Grid Surface in Simscape Multibody
At the moment, you are limited to one color. Other Simscape Multibody users have modified the colors of peaks on the surface by...

3 years ago | 0

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how to make same signal of signal builder with constant
Once your ThingSpeak information is a Simulink signal, you need to convert it to a physical signal to feed it to the Revolute Jo...

3 years ago | 0

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Answered
How to use SOC Estimator (Coulomb Counting )
The SOC Estimator (Coulomb Counting) block requires the initial state of charge (SOC) and current being drawn from the battery a...

3 years ago | 1

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Subclassing closed source Simscape components
The diagnostic you have received is telling you that the variable you have used is not defined. You need to define the torque r...

3 years ago | 0

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Difference between generic battery bloc and battery table-based (Thermal management)
All of the blocks you mention can be used to model a Lithium Ion 18650 Battery. The Battery block is based on an equivalent cir...

3 years ago | 1

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Answered
Why is there no friction when the joint is actuated ?
Hi Hugo, The friction law for the Spatial Contact Force block has highest friction near (but not at) zero relative speed betwee...

3 years ago | 0

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How to resolve the issue for a flexible shaft of 647.7mm length connected to a UV joint base (B)?
Hi Sampreet - compare your values for Shaft length and Support Locations in block Flexible Shaft1. The diagnostic is telling yo...

3 years ago | 0

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Simscape Mechanics Explorer save Cameras in Camera Manager
Hi Joe - you need to save the settings to the model and then save the model. Define your settings (cameras, etc.) Press this b...

3 years ago | 3

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Answered
How to link generic piston engine and propeller SimScape
Hi Tom, I see your model is an extension of example Ship Propeller. To get this warning to go away, I recommend you set the pr...

3 years ago | 0

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how do i input variable gear ratio in CVT block in simscape?
The Variable Ratio Transmission Block accepts the gear ratio as an input. You can measure the engine speed, use a lookup table ...

3 years ago | 0

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Is there a way to automatically fix misalignment between frames?
Hi @Ajay Anand. You could try to automate this, but it could be challenging. Build a model with a Rigid Transform parameteri...

3 years ago | 0

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Simscape multibody flip solid
Hi @행영 김, The setting you need are the State Targets. You can set a guess for the initial angle, and that will influence the s...

3 years ago | 0

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Answered
Integrate Simscape Driveline with Simscape Multibody
Hi @Pei Yee Lim, You can use the Translational Multibody Interface or the Rotational Multibody Interface to connect vehicle mod...

3 years ago | 0

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How to input angular velocity in Simscape Driveline except from using the ideal angular velocity source?
Hi @Pei Yee Lim, For any Simscape components that include rotational inertia, you can specify the initial angular velocity unde...

3 years ago | 1

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Answered
Resetting orientation of global coordinate system
Hi - if you attach a 6-DOF joint to the chassis of your vehicle, you can specify its orientation to be aligned with the global r...

4 years ago | 0