Answered
Motion singularity in simulink
It is not the mass on each joint, but the configuration of the system. For example, a serial manipulator can get into a singular...

14 years ago | 0

Answered
using get_Param inside an S-function
What you are doing (closing the file) should be done in mdlTerminate!

14 years ago | 0

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Finding where variables are used from the Model Explorer
In a previous post, we illustrated the Simulink.findVars function. To be honest, I am not very good at remembering the...

14 years ago

Answered
Simscape problem
Please go through the "Getting Started" section of the Simulink Control Design documentation: http://www.mathworks.com/help/t...

14 years ago | 1

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Sample Time Offset
I noticed that many users are not aware that it is possible to specify sample time offsets in Simulink. Scalar Sample...

15 years ago

Answered
derivative input
Try what the error message says: - If the model is fixed step, try reducing the step size - Try changing the solver toleranc...

15 years ago | 0

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what is the difference between mux and vector concatenate?
Look at the section "Stabilizing Numerical Derivatives in Actuation Signals" in this page to see how to compute velocity and acc...

15 years ago | 2

Answered
Simulink: Default Integration Time
See my latest post on this exact topic: http://blogs.mathworks.com/seth/2011/11/08/auto-solver-settings/

15 years ago | 0

Answered
Problem joining blocks Simscape
Are you connecting the output of the Simulink->PS converter to a source block? I recommend looking at demos to understand the...

15 years ago | 1

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Auto Solver Settings
When looking at the solver configuration of a new model, you probably noticed that many settings are set to...

15 years ago

Answered
Different behaviour in model when inserting a scope in the design.
Enable the block Sorted Order and see if it changes when adding the scope or not: http://www.mathworks.com/help/toolbox/simul...

15 years ago | 0

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Promoting Block Parameters to a Mask
In R2011b, we are trying to make it easier to interface the parameters of a masked subsystem with the parameters of the...

15 years ago

Answered
Simulink Missing Reference Error
The Controlled PWM voltage block is sort of special. The 2 sides are independent, so you must have a ground on each side. Add...

15 years ago | 0

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Answered
Problem with samples
Looks like you need to buffer with a size of 5 and overlap of 3.

15 years ago | 0

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Answered
Why would a Simulink disabled block still be executed?
Try setting the diagnostic "Underspecified initialization detection" to Simplified, this might help: http://www.mathworks.com...

15 years ago | 0

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Dynamics Mask Icons for Subsystem Variants
Today I will illustrate how to combine two features I like: Subsystem Variants and Masking. The Question I created a...

15 years ago

Answered
SIMULINK: Using FMINSEARCH online for xpctarget
In simulation, you can call fminsearch or fmincon from MATLAB S-function of from the MATLAB function as extrinsic. You cannot...

15 years ago | 0

Answered
SIMULINK: Using FMINSEARCH online for xpctarget
In simulation, you can call fminsearch or fmincon from MATLAB S-function of from the MATLAB function as extrinsic. You cannot...

15 years ago | 0

Published

Generating Code for Real-Time Multicore Systems
Do you generate code to be executed on a multi-core processor? Wouldn't it be cool if you could decide which part of the...

15 years ago

Published

Do YOU want to win the Simulink Student Challenge?
A couple weeks back MathWorks announced the Simulink Student Challenge. We have seen some crazy great things developed in...

15 years ago

Answered
Trying to create an electrical circuit
The error is clear... "Check for missing reference node" means that your circuit does not have a reference. Add this block to gr...

15 years ago | 2

Answered
traffic modelling
SimEvents is a very nice tool to model traffic... see this example: http://www.mathworks.com/matlabcentral/fileexchange/20287...

15 years ago | 1

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Continuous sample time inside For Each Subsystem
Back in 2010, I wrote a post explaining how to apply a scalar algorithm to a vector using the For Each subsystem. At that...

15 years ago

Answered
adding controls to a non-linear simscape thermal model
- Yes you can apply any control algorithm you can think of on the Simscape model - You typically linearize the model because ...

15 years ago | 0

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Answered
How to run simulation in real time
To slowdown a simulation to something close to real-time, try my submission here: http://www.mathworks.com/matlabcentral/fileex...

15 years ago | 2

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Published

Simulink Student Challenge: $1000 in prizes!
Have you done something super-cool in Simulink?Can you make a short video of it and share it on YouTube?Are you a...

15 years ago

Answered
converter for simmech to simelec
To "convert" mechanical power into electricity and vice-versa, use a converter block: http://www.mathworks.com/help/toolbox/p...

15 years ago | 0

Answered
algebraic loop and Simscape ?
2D and 3D physical systems like a pendulum on cart are most easily represented by a Differential Algebraic Equations (DAE), and ...

15 years ago | 0

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Published

Troubleshooting the Transport Delay Block
Yesterday I came across this model: At first look, one might think that these two implementations should give the...

15 years ago

Answered
How do I run a simulation with a transfer function block and a multi dimensional input ?
Hi Pham, In R2011b, place the transfer function inside the For Each subsystem. The For Each subsystem now support continuous ...

15 years ago | 0