Steve Miller

Last seen: Today | Active since 2011

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Helping engineers optimize physical system designs through simulation

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Spoken Languages:
English, German

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Submitted

Simscape Vehicle Templates
Set of templates for creating custom vehicle models using Simscape for use within Simulink.

6 days ago | 202 downloads |

Answered
Simscape's Slider-crank doesn't move between a min/max, instead diverges.
Can you share the model or let us see your solver settings? I believe your model is drifting because the solver choice or solve...

10 days ago | 0

| accepted

Answered
To control the revolute joint motion in real time
You can use Simulink dashboard blocks to control parameters within the simulation. This would allow you to specify position, sp...

14 days ago | 0

Answered
put mechanics explorers animation into Matlab GUI
This is not possible yet. You could possibly run the simulation, automatically generate a video, and then play the video in the...

14 days ago | 0

Answered
Output of Inertia Sensor Block
You can output the center of mass (COM) however you want. Note, though, that it will report the COM for every step of the simul...

14 days ago | 0

Answered
Simulink Simscape joint ignores specified limits
In the model you attached, you are driving the joint with a motion input. That motion will provide whatever force or torque is ...

14 days ago | 0

Answered
Simscape end mass swings in the opposite direction
Without looking at the model directly, it is hard to say for sure. Some possibilities: The start of the motion is extremely ab...

14 days ago | 0

Answered
How can I calculate interaction force xyz components in Simscape Multibody?
You can use additional quantities reported by the Spatial Contact Force block to obtain the components of the force in the frame...

14 days ago | 0

Answered
Accessing Modal DOF of Reduced Order Flexible Solid in Simscape Multibody
You can add additional frames to the body to access deformations of specific locations. Exposing all modal DOFs is still not yet...

14 days ago | 0

Answered
How to give manual rotation to 6DOF joint in Simscape Multibody ?
Spherical primitives can only be actuated using torques. Options: You could create a closed-loop controller that will apply t...

14 days ago | 0

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Answered
Assembly questions in Simscape Multibody about multibody systems with mixed rigid and flexible bodies
Hi - your model is expecting the system to assemble with the flexible bodies in an undeformed state. If your kinematic loops (c...

14 days ago | 0

Answered
Solver resets due to discrete signal at ps-simulink-converter
If you are simulating with a fixed step solver, I believe the solver profiler will report a solver reset at every step. I don't...

14 days ago | 0

Answered
Animating Basic Vehicle Models Using Simscape Multibody
You can use Simulink dashboard blocks to control parameters within the simulation. This would allow you to specify position, sp...

14 days ago | 0

| accepted

Answered
from simscape model to statespace in matlab
You can use several of the linearization options in MATLAB to obtain a state space representation of your Simscape Multibody mod...

27 days ago | 0

| accepted

Answered
Spherical Joint Stabilization in SimMechanics
If you double-click on the Spherical Joint and expand the "Actuation" section, you can set an input to be provided by torque. I...

27 days ago | 1

Answered
I don't understand the motion in the matlab simscape
The model you provided does not have the CAD data, so it is hard to see what you are trying to do. However, I see in the mode...

27 days ago | 0

Answered
How can i control Spherical Joint in Simscape Multibody?
Your model is moving due to gravity. The inputs you have specified are torques, not motions. If you apply 0 torque, the arm wi...

27 days ago | 0

Answered
With which joint can I prevent a rotation around the roll axis?
Hi Nils - the Planar Joint is a simple way to keep the vehicle chassis parallel with the plane that the track is in, and it assu...

27 days ago | 0

Answered
How to specify the rotational velocity of a torque source?
If you want the shaft to spin at a specified speed, you have two options - use one or the other. Use an Ideal Angular Velocity ...

27 days ago | 0

Submitted

Simscape Multibody 1G Conversion Assistant
Tool to help you build Simscape Multibody Second Generation models based on First Generation models

1 month ago | 37 downloads |

Answered
How to Establish a path trajectory for a quadruped robot in simscape multibody?
If the outer legs are taking larger steps than the inside legs, it may follow a curve even without a controller. If you want it...

1 month ago | 0

| accepted

Answered
How to use the first output of a matlab function as the input for the revolute joint?
Hi Nayla - the value for initial position state target needs to be a hard coded value or a MATLAB variable. It cannot be set by...

1 month ago | 0

Answered
Simulink 2009 model update to 2022
Hi Scott - the Simscape Multibody first generation software last ships with MATLAB release R2019b. If you want to try the conve...

1 month ago | 0

Answered
How can I stack flexible bodies while using spatial contact forces between them?
The Spatial Contact Force block has a geometry port as its interface. You can attach rigid geometry to the flexible body blocks...

1 month ago | 0

Answered
Can't find equilibrium on simscape multibody/ can't put the steady state by default
There are a few adjustments you should make to your model. Set the Consistency Tolerance in the Solver Configuration block to 1...

1 month ago | 0

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Answered
Bugs of Error | Actuator torque acting on joint primitive
It is hard to give you a specific answer without looking at the model. I believe you are applying a discrete motion signal, whi...

1 month ago | 0

| accepted

Answered
Simscape Multibody torque measurement on bushing joint seems wrong.
Hi Lukas, Your model is delivering the correct results. The force is being applied along the global z-axis, local y axis. The...

1 month ago | 1

Answered
Unstability of spherical joint
Without your model, it is difficult to give you specific advice. If "fails" means that the spherical joint starts moving due to...

1 month ago | 0

Answered
How to make a "sail" change its angle relative to way the submarine is moving?
Can you share the model? It would make it easier to give you specific advice. As long as the joint is configured to accept joi...

1 month ago | 0

Answered
get Solid blocks derived inertia and mass values
The derived properties are displayed on the block, but are not accessible via get_param(). If you want to automate getting th...

1 month ago | 0

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