Doug Eastman

MathWorks

Actif depuis 2011

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Strange behavior: gain bocks which integrate step inputs
The issue with the lines being slanted is due to the fact that Simulink sees these signals as continuous so it will connect the ...

environ 11 ans il y a | 0

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How do I change Design Verifier default confinguration parameter preferences?
Hi Erik, I don't know of a way to set the default options for Simulink Design Verifier, however using the command line versio...

environ 11 ans il y a | 0

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Why does XY Graph affect algebraic loop solver?
The problem is that adding blocks to your model (such as the XY Graph) causes the <http://www.mathworks.com/help/simulink/ug/con...

plus de 11 ans il y a | 0

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How can I set that only one of the subservers can be used at a time?
Here are two possibilities: 1) Do you really need two separate server blocks? The simplest solution might be to set an entity...

plus de 11 ans il y a | 0

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How to retrieve a subblock name at initalization.
Another simpler option might be to just use a constant block with the value: uint8('LookupKey') You could then hide the ...

plus de 11 ans il y a | 0

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SINEWAVE IN SCOPE (simscape)
To see the sinusoidal voltage variation you need to reduce the step size of the simulation. Go to Simulation -> Configuration Pa...

environ 12 ans il y a | 2

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How do I run a simulink model in real-time in normal mode
Running in real-time in normal mode is a new feature of Real-Time Windows Target in R2012a. To run in real-time you do need to a...

environ 12 ans il y a | 0

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How to close Simulink model subsystems
Assuming your top-level model is called TopModel you could use: a = find_system('Parent','TopModel'); close_system(a)

environ 12 ans il y a | 0

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Analog circuits in Simulink
The error seems to indicate that you are missing a solver block, but you have one in the image you've attached. For the case of ...

environ 12 ans il y a | 0

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Moving from video to 3D Environment
<http://www.mathworks.com/products/3d-animation/demos.html Simulink 3D Animation> should allow you to do what you are looking fo...

environ 12 ans il y a | 0

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xpc target
Yes, you have the basic idea correct. If you haven't already I recommend reading through the <http://www.mathworks.com/products/...

environ 12 ans il y a | 0

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Multiprocessing in Simulink
The primary mechanism to leverage a multi-core or multi-processor system with Simulink is to run multiple simulations in paralle...

environ 12 ans il y a | 1

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Using 'From Multimedia File', how to split the channels
Demux only works with vectors, but this signal is a matrix. You can use two Selector blocks. Set the input dimensions to 2, sele...

plus de 12 ans il y a | 0

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pass a parameter to a masked subsystem
Here are two options: 1. Calculate the derived values directly in the blocks that need them in the subsystem. For example, ma...

plus de 12 ans il y a | 0

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Boolean Filter
This sounds similar to a debounce circuit. Here are some other related answers that should help you: * <http://www.mathworks....

plus de 12 ans il y a | 0

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SimPowerSys: Modify the Asynchronous machine
The blocks underneat the Asynchronous machine (Mechanical model, Electrical model) are what's know as <http://www.mathworks.com/...

plus de 12 ans il y a | 2

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signal builder: repeat a signal for n times in one simulation (not to be confused with running in succession)
Currently the only options for extending the signal beyond the time range in which it is defined in the Signal Builder block are...

presque 13 ans il y a | 0

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Simulate potency
Rather than a regular Resistor block, put a Current Sensor in series with a Variable Resistor. Square the measured current using...

presque 13 ans il y a | 0

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Difference between setappdata and guidata?
You can look at the code for GUIDATA by typing edit guidata You'll notice that GUIDATA calls SETAPPDATA, it just provide...

presque 13 ans il y a | 2

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measure data size in simulink
Also, if you need that value as a signal in the Simulink model you can use the <http://www.mathworks.com/help/releases/R2011a/to...

presque 13 ans il y a | 1

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My functions Won't Share Variables
You can share the workspace of the main GUI function with the subfunctions fun1-5 by making those subfunctions <http://www.mathw...

presque 13 ans il y a | 0

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How do I display a MATLAB error from a Simulink Model?
You could also use the the blocks in the Model Verification library, such as <http://www.mathworks.com/help/releases/R2011a/tool...

presque 13 ans il y a | 1

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How to detect sequence signal explicitly
If you are using R2010a or later you can use the Relational Operator block in Logic and Bit Operations to compare the vector V a...

presque 13 ans il y a | 1

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Hold True Value for finite length of time
The easiest solution is using Stateflow: create two states off and on, transition from off to on when the signal is tripped, the...

presque 13 ans il y a | 1

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save the variables whose names are always changing over different loops
If you are saving each value to disk as a separate file, the only thing you need to change is the filename. You can reuse the sa...

presque 13 ans il y a | 1

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Distribution sampling
I'm not a statistics expert but I believe randomly sampling a set of data should come close to preserving the distribution and c...

presque 13 ans il y a | 0

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How do I run a simulation with a transfer function block and a multi dimensional input ?
Another option is to discretize the transfer function because a discrete transfer function does allow a vector input signal. ...

presque 13 ans il y a | 4

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Numerical difference between Matlab result and MS Excel result
When I type '123456789123456789' in a numeric field in Excel, I get 123456789123456000. The issue is due to floating point data ...

presque 13 ans il y a | 1

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Weird imshow image. same pixel value different color
C is double so the default range for imshow is between 0 and 1, but your values are between 0 and 255. You can either specify th...

presque 13 ans il y a | 1

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Not sensible to short time FALSE
It sounds like you are trying to create debounce logic where you only want to go low if the input is held low for a certain peri...

presque 13 ans il y a | 0

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