Steve Miller

Last seen: Today | Active since 2011

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Helping engineers optimize physical system designs through simulation

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How to avoid adding the striking mass to the robot body mass during a collision test in simscape?
A really good way to do this is to use Simscape Multibody. With Simscape Multibody you can model contact forces between differe...

9 days ago | 0

Answered
Battery box in Simscape
Hi Bence, You can model a housing for your battery modules that prevents heat transfer between the modules. This could be pass...

21 days ago | 0

Answered
Add a Simscape Multibody model to a Simscape Electrical model
Hi all, In R2021a we added interface blocks to more easily connect Simscape Multibody joints to 1D mechanical Simscape networks...

2 months ago | 1

Answered
Workflow to combine CAD Model and SIMSCAPE Thermal transient Analysis
You should be able to obtain distance measurements using sensors, assign them to a Simulink signal (or Simscape Physical Signal)...

3 months ago | 0

Answered
Mechanical rotational port of Induction Motor from the specialized power system library
I believe you need to remove the Mechanical Rotational Reference. You have essentially welded the shaft to the earth so it cann...

4 months ago | 0

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simscape (planetary gear)
The planetary gear enforces a kinematic relationship between the input and output shafts. The torque levels, however, will depe...

4 months ago | 1

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Answered
Friction and wear Simulink model for brake pad application
Take a look at the Simscape Driveline Disc Brake block https://www.mathworks.com/help/sdl/ref/discbrake.html This example ...

5 months ago | 0

Answered
Testing of disc brakes
The parameters you describe match well with the Simscape Driveline Disc Brake block https://www.mathworks.com/help/sdl/ref/...

5 months ago | 0

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How can I implement the magic formula by Pacejka in Simscape Multibody between a wheel modeled as a disk and the ground modeled as a prismatic piece?
You can look at File Exchange submission Spatial Contact Force Examples Simscape Multibody to see an example of how to add a cus...

6 months ago | 0

Answered
SimMechanics Motion problem
See comment above for answer. --Steve

7 months ago | 0

Answered
Problem by simulating a kinematic with a singularity in SimMechanics
This message indicates you have a degree of freedom with no inertia associated with it. I was not able to download your model, ...

7 months ago | 0

Answered
water tank modeling in simscape
This example shows many of those concepts: https://www.mathworks.com/help/hydro/ug/aircraft-fuel-supply-system-with-three-t...

7 months ago | 0

Answered
Frictional Friction block on simscape
In the Translational Friction block, set the coulomb friction force to be mu_k*(mass*gravity). Set the Breakaway Friction Force...

7 months ago | 0

Answered
An error: Undefined function 'mrdivide' for input arguments of type 'NetworkEngine.ComponentVariableCompileData'.
The documentation page for equations in Simscape tells you which equations you can use and what the requirements are. mrdivide ...

7 months ago | 0

Answered
Simulink Simscape: Dog Clutch fidelity
The Dog Clutch block in Simscape Driveline has multiple fidelity levels for the friction model. It can capture behavior when th...

7 months ago | 0

Answered
How can I implement downforce and drag generated from a rear wing into my drag racing model using Simulink/Simscape?
If you wish to mak the downforce increase with speed, one option is to multiply it by a scaling factor that is speed dependent. ...

7 months ago | 0

Answered
How can I use Translational Friction and Damping blocks?
I recommend placing a Revolute Joint between your two plates and add a rotational frictional model there. If you wish to model ...

7 months ago | 0

Answered
Transient initialization, failed to converge. Clutch in planetary driveline.
Your model is missing an inertia. In certain configurations, you are applying torque to a node with no inertia which leads to i...

7 months ago | 0

Answered
How to make a virtual ROAD & CAR ENVIRONMENT for simulating collision avoidance controller
I recommend you look at this example, which has a vehicle that follows roads, paths, and avoids obstacles. https://www.mathwork...

7 months ago | 0

Answered
Full vehicle model help
I suggest you look at this model: https://www.mathworks.com/matlabcentral/fileexchange/110350-vehicle-dynamics-14-dof-model-in-...

7 months ago | 0

Answered
Is it possible to connect DC motor and fundamental friction clutch in Simscape?
In all releases after R2011a, you can directly connect those two blocks with a mechanical connection. --Steve

7 months ago | 0

Answered
For simulating Driveline, the solver can't solve it. The error states that Parallel masses must have same velocity but the initial velocities for tire and vehicle body are given same only. How can I rectify it?
Without your model, it is hard to answer your question. I believe you should only set one of the initial velocities in your net...

7 months ago | 0

Answered
Unexpected velocity and slip outputs from longitudinal vehicle model
Your torque sensor needs to be connected in series with the torque source. You have it connected in parallel. See corrected mo...

7 months ago | 0

Answered
Belt Drive simscape block
Without looking directly at the model, it is difficult to know what is causing this behavior. I suspect the initial speed of th...

7 months ago | 0

Answered
Double acting pneumatic cylinder
This shipping example in Simscape has a double-acting pneumatic cylinder. https://www.mathworks.com/help/simscape/ug/pneumatic-...

7 months ago | 0

Answered
Longitudinal driver block is not giving out the Acceleration and Braking command signals.
This example may get you moving in the right direction. https://www.mathworks.com/matlabcentral/fileexchange/82250-battery-elec...

7 months ago | 0

Answered
How can I simulate an automatic parking car in Driving Scenario Designer
Work through the examples in the documentation: https://www.mathworks.com/help/driving/ref/drivingscenariodesigner-app.html --...

7 months ago | 0

Answered
Velocity feedback from vehicle body is coming out to be negative
Without looking at the model directly it is hard to be sure. Given the top speed is reached pretty quickly, I suspect your powe...

7 months ago | 0

Answered
I'm getting error when run this simulink (Caused by: Unable to resolve the name YY.getElement.)
Your model expects variable YY.getElement to be defined. Neither the code or the model define it. The parameter is in a field...

7 months ago | 0

Answered
Vehicle Body velocity is in m/s or km/h?
You can specify the units of measurement in the PS-Simulink block. It will automatically convert to whatever units you specify....

7 months ago | 0

Steve Miller

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