Steve Miller

Last seen: Today | Active since 2011

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Helping engineers optimize physical system designs through simulation

Programming Languages:
MATLAB
Spoken Languages:
English, German

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Excavator Design with Simscape
Design an excavator. Define pin locations, calculate BOF and TOF, produce load charts, and simulate dig cycles.

ongeveer een uur ago | 12 downloads |

Answered
Coding a simple model with torsion spring
I think this example model will help you see a way to model this system: Mechanical Rotational System with Stick-Slip Motion ...

22 dagen ago | 0

Answered
INVERTED PENDULUM CONTROL
Try looking at this tutorial:Inverted Pendulum: Simscape Modeling https://ctms.engin.umich.edu/CTMS/index.php?example=Inver...

22 dagen ago | 0

Answered
Im using spatial contact force between a plane and wheel but when i run the simulation the wheel falls freely. Is it a correct response or it has to stay attached to plane?
Here are some things you can try: Set the maximum step size to something small (like 0.01) to make sure the solver takes a step...

22 dagen ago | 0

Answered
If you want to input holding torque to the joint block
You can use joint modes to lock the degree of freedom, and then release it when you want the joint to move. This will, however,...

22 dagen ago | 0

Answered
How to Determine the value of Internal Mechanics of Joint Primitive like Spring Stiffness and Damping Coefficient?
Hi @sanjeev kumar, A Revolute Joint in Simscape Multibody permits one degree of freedom. If you want to define damping and spr...

22 dagen ago | 0

Answered
Simscape - multibody - frames and transforms - world frame
You need to install Simscape and Simscape Multibody to have access to the Simscape Multibody block libraries. --Steve

22 dagen ago | 0

Answered
simscape kinematic loop don't accept motion input on cylindrical joint
Each of the joints in your mechanism has a target position (and possibly velocity) specified. You need to disable the targets o...

22 dagen ago | 0

Answered
simscape multibody switching signals (due to Contact Library)
The Simscape Multibody Contact Force Library has blocks that accept an input signal that can disable the force. Look for the bl...

22 dagen ago | 0

Answered
Based on geometric Feature option is disabled
You are likely importing an STL file. STL files do not contain the features needed to assign frames. Frame locations and orien...

22 dagen ago | 0

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how make changeable joint limits in simscape ?
You will need to apply the joint limits as an external force. Measure the positions of each part/joint, calculate when the forc...

22 dagen ago | 0

Answered
How to effectively and optimally simulate multiple robotic platforms in Simscape Multibody
There are many ways to accelerate your model. These can be combined for further speedup. Simplify the quadcopter model - can y...

22 dagen ago | 1

| accepted

Answered
Nonlinear iteration is not converging (using ode23t) in Simscape Multibody
For situations like this, it is possible that changes to the model and the solver settings could enable the simulation to run wi...

22 dagen ago | 0

Submitted

Electric Aircraft (VTOL) Battery Pack Model with Simscape™
Model a vertical takeoff and landing (VTOL) aircraft and explore battery pack design using simulation.

ongeveer een maand ago | 10 downloads |

Answered
Single degree of freedom
This example shows you how to model this system in two ways: https://www.mathworks.com/help/simscape/ug/mass-spring-damper-...

ongeveer een maand ago | 0

Answered
Plotting a potential energy function
Please read this post: https://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a...

ongeveer een maand ago | 0

Answered
Getting started solving ODE's - solve m [d^2(theta)/dt^2] + c [d(theta)/dt^2] + k sin(theta) = 0
As mentioned by Roger above: I think you have no choice but to solve it numerically. Even without the friction term in the midd...

ongeveer een maand ago | 0

Answered
how can improved gray scale quantization
As mentioned above: Improved over what? What's wrong with the way you're doing it now? Read this link then come back with an im...

ongeveer een maand ago | 0

Answered
Index exceeds matrix dimensions
As posted by Geoff in the comments above: The usual procedure is to read the error message, go to the source file and line numb...

ongeveer een maand ago | 0

Answered
What is the code to integrate a fixed equation ; Cp = a + bT + cT^2 + dT^3 with varying values of a, b, c, d and T?
Please see this post: https://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-...

ongeveer een maand ago | 0

Answered
plot
Please see this post: http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-f...

ongeveer een maand ago | 0

Answered
Help creating a function file
As suggested above, read this post: http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answe...

ongeveer een maand ago | 0

Answered
How to define inertia of a body block in SimMechanics?
For symmetrical objects, such as a sphere or a cylinder, the inertia matrix will have the moments of inertia along the diagonal ...

ongeveer een maand ago | 0

Answered
about design of High Gain observer & sliding mode observer for rotatory inverted pendulum system
This File Exchange submission contains a model of a rotary inverted pendulum: Virtual Hardware and Labs for Controls https://ww...

ongeveer een maand ago | 0

Answered
How to analyse a STEP file in Matlab?
From this answer: https://www.mathworks.com/matlabcentral/answers/56904-how-to-import-and-plot-step-file STEP is a complicated...

ongeveer een maand ago | 0

Answered
Add external torque data with motor-wheel mechanical domain link in simscape
Hi @Sean Your question is not very clear. Based on your image, I think you want to apply a torque between those two points. Y...

ongeveer een maand ago | 0

Answered
MATLAB for Regenerative Braking of Train
This very simple example demonstrates regenerative braking in an electric vehicle: Power Split Hybrid Vehicle Electrical Ne...

ongeveer een maand ago | 0

Answered
How to coupling two bevel gears?
Hi @Linzhu Yue, An example showing two bevel bears is included in the Simscape Multibody Parts Libary https://www.mathwork...

ongeveer een maand ago | 0

Answered
Why in simscape the Piston Engine has a default damping value of crankshaft of 1000Nm*s/rad.
Hi @Jian Cao, The documentation for the Piston Engine block describes the Damping parameter. That parameter is enabled when ...

ongeveer een maand ago | 0

Answered
Error with Simscape Driveline vehicle will not initialize.
You need to give the wheels independent rotational connections. Apply half the torque independently to each wheel, rather than ...

ongeveer een maand ago | 0

Steve Miller

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