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Jamie


Last seen: 14 days ago |  Active since 2011

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Professional Interests: control systems

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Simulink data type conversion, single to uint16.
Hello, I'm using simulink and I need to convert from a single to a uint16. Could a kind soul kindly explain why the output o...

3 months ago | 1 answer | 0

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answer

Question


Linear hall sensor for FOC
Hello, I have a pmsm motor control application for which I will be using FOC. All of the mathworks examples use either digital...

4 months ago | 1 answer | 0

1

answer

Question


How to convert a large .mat file of (default format ~ 7) to a 7.3 MAT-file / HDF5 based format when the file is too large to load.
I have a program which exports .mat files in the default .mat format - I believe it v7 MAT-file? Due to the size I am unable t...

8 years ago | 1 answer | 0

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answer

Question


Insufficient storage (activex) - unable to complete operation - pulling in excel data more quickly.
Hi All, I have some reasonably large excel files to process (200-800mb). After a bit of dabbling and on review of the numero...

8 years ago | 0 answers | 1

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answers

Answered
Renaming simulink mdl files
Hi Andreas, Thank you kindly for the response. The issue would indeed appear to be linked to the bug report you provided (the...

11 years ago | 0

Answered
Help linearizing simulink model. "The value of the "A" property must be a numeric array without any Inf's or NaN's"
The error refers to the state matrix that is returned from the lin operation and simply indicates that the state matrix computed...

11 years ago | 0

| accepted

Question


Renaming simulink mdl files
When renaming simulink model files (mdl/slx), whether using 'save as' or renaming the file within windows explorer I recieve the...

11 years ago | 2 answers | 0

2

answers

Answered
can someone tell my what does this do please..?? set(gca, 'XTick', [])
Hi Jonathan, The command sets the axis tick labels for the current figure. gca gets the axis of the current figure (Get Cur...

11 years ago | 0

Answered
Transfer Function nyquist diagam overshoot problem
Hi Robert, Your system is already marginally stable. You can see the poles if you type pzamp(H) ~ all are in the left hal...

11 years ago | 0

Answered
Invalid property: Returned figure handles not valid
Thank you both kindly! I've been scratching my head for the past couple of days on that one. My 'test figures' obviously didnt i...

11 years ago | 0

Question


Invalid property: Returned figure handles not valid
When using the command Hndl = get(gcf,'Children') to obtain the axis handles of a 3x1 subplot I am recieve more handles t...

11 years ago | 3 answers | 1

3

answers

Answered
how to give the input of the wind turbine and how to control the pitch angle
Hey Raju, Can you be a little more specific? Perhaps attach a pic of you block diagram? What specifically is the problem? ...

11 years ago | 0

Answered
plot and save figures WITH the white margin
Hi Razvan, Its been a while but I believe the width of the margin is determined by the PaperSize propery. If you open the...

11 years ago | 0

Answered
Making a piecewise linear plot
Hi Carlos, Many way to do this. For a piecewise cont func try this t=[0:0.1:32]; y = 40/32*t; plot(t,y) hold on ...

11 years ago | 0

Answered
fourier series - fourier transform
Hey Ebi, The choice of fourier transform or fourier series simply depends on whether the signal is periodic or aperiodic. ...

11 years ago | 0

Answered
How to Import Matlab Figures?
Hi David, have you tried openfig? http://www.mathworks.com.au/help/matlab/ref/openfig.html Cheers

11 years ago | 0

| accepted

Question


Help linearizing simulink model. "The value of the "A" property must be a numeric array without any Inf's or NaN's"
I have constructed a linear simulink model from a nonlinear model. The linear representation is included as an ss block. A cont...

11 years ago | 1 answer | 0

1

answer

Answered
How to get values from the plot
Hi Josef, have a look here - http://www.mathworks.com.au/support/solutions/en/data/1-A6PBV2/ there is also an example for obtain...

11 years ago | 0

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Answered
working with transfer function, overflow error
Hi upna, I note this post is rather old. I trust you've long since resolved the issue. In the off-chance.. in this situati...

11 years ago | 0

Answered
H infinity, Robust Control, [a b2;c1 d12] does not have full column rank at s=0 error
Have you checked to see if you have any poles on the imaginary axis? If so (as is likely the case) can this dependant state ...

11 years ago | 0

Question


Identify an array of arbitrary minimum values. Alternatives to min / find ?
I would like to identify the occurences (index) of an arbitrary value within a Vector. The values I wish to identify will be clo...

11 years ago | 1 answer | 0

1

answer

Answered
How to obtain State space model response ?
In the ofchance that others are also having a little bit or trouble plotting the system response a couple of simple examples are...

12 years ago | 0

Question


Error - opening simulink .mdl results in a call to and the running of an alternate model...
I have a simulink .ml file that I have been working on for the past couple of weeks. As of a few days ago when I open the desire...

12 years ago | 1 answer | 1

1

answer

Question


contious time model - linear analysis toolbox
I've been using the linear analysis toolbox quite a bit lately for generating linear models within simulink. >> Tools / control ...

13 years ago | 1 answer | 0

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