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Ryan Takatsuka


Actif depuis 2017

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Spectral analysis in MATLAB script
I am trying to minimize the spectral leakage in the frequency analysis of a signal to obtain accurate magnitudes of all the freq...

presque 6 ans il y a | 2 réponses | 1

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Question


Filtered signal's frequency response is not correct
I am trying to pass a pure noise signal through a filter, but the frequency response is not what I expected. I have attached th...

environ 6 ans il y a | 1 réponse | 0

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Log equation log(x) not plotting correctly
y_3 contains complex numbers with real and imaginary components, and the plot() function only plots the real component of the co...

environ 6 ans il y a | 1

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Element-wise product in Simulink
I would like to perform an element-wise multiplication (Hadamard product) between 2 matrices in Simulink. The "multiply" block ...

plus de 6 ans il y a | 1 réponse | 0

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Problem having isoutlier detecting anything
The outlier detection generally works best on single data point outliers (not multiple in a row). Your data has a large amount ...

plus de 6 ans il y a | 0

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measuring force in a spring dashpot model
The _Ideal Force Sensor_ should be in series with the mechanical system. See the attached example.

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How can I control the pulse generator percentage with variable?
You can create a custom PWM subsystem where the pulse percent is the input. See attached example.

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How can I measure percentage of pulse signal
You are probably better off filtering the PWM signal to find the interval percentage. See the attached example.

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How to have a plot3 vector and sphere on same figure?
Try something like this: figure(1) %creating animation window sphere % creating sphere for visualization alph...

plus de 6 ans il y a | 0

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PID to control solenoid valves on simulink?
Typically, solenoid valves only operate as binary valves (either on or off with no in between). From what you are describing it...

plus de 6 ans il y a | 0

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update parameter during simulink simulation
If you use external gains for the PID block, you can easily modify them during the simulation. Because you want the PID to swit...

plus de 6 ans il y a | 2

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Is it possible draw left y-axis with red color and the right y-axis with blue color?
Yes it is. Here is an example of a plot with different y axis colors: t = linspace(0,1,1000); a = sin(2*pi*t); b = s...

plus de 6 ans il y a | 1

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After importing data from excel and plotting them, I need to subtract the noise and extract only the five peaks, and finally to find the area under the peaks? Can anyone tell me what function to use?
You can probably apply a highpass filter to the data to isolate the peaks. This should remove the low frequency/offset of the p...

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Saving figure data statistics without using the GUI?
You can create a function to collect this data for you. To create a structure with the same format as Tools -> Data Statistics ...

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Simulink Zoom FFT - error in native MATLAB example (dspzoomfft)
I am trying to understand the Zoom FFT algorithm, and am playing around with the native MATLAB example for Simulink (opened by t...

presque 7 ans il y a | 1 réponse | 0

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Improvements for rapid Simscape changes with discrete valves
I have a Simscape model that consists of a few valves and constant volume chambers. Every time a valve is opened, the instantan...

plus de 7 ans il y a | 1 réponse | 0

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Question


Simscape gas pipe element causes initialization errors
I have a Simscape model with a long thin (an inner diameter of 0.030") tube in the middle. When the tube is shorter (less than ...

plus de 7 ans il y a | 1 réponse | 0

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Question


3/2 pneumatic valve model
I am trying to design a 3/2 pneumatic valve (3 ports and 2 positions). The valve has a supply port, common port, and an exhaust...

plus de 7 ans il y a | 1 réponse | 0

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