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Content Feed
Can you let me know how to solve my errors? there are 4 errors in my simulink.
You had two issues. One was the integrators in Current_Controller were implimented using the Memory in the feedback path causing...
2 giorni ago | 1
| accepted
Data type mismatch error in Simulink
I saw a number of other issues in this model. 1) I think the inverter needs a ground reference added on the emitters of the low...
8 giorni ago | 0
| accepted
I need more explanations for the described hydraulic simulation
The pump in this model acts in a fixed displacement mode that produces a given flow rate regardless of its output pressure. When...
circa 2 mesi ago | 0
Filter background from audio file
Check out this previous answer. A different type of owl, but the same concept. Using Spectrogram to Design a Filter - (mathwork...
circa 2 mesi ago | 0
Simulation of the step response of a time delay system with a PID controller is contorted.
Those sharp transients in the closed loop response are the echoes of the step input as filtered by the transfer function that ar...
circa 2 mesi ago | 0
3rd Order ODE on Simulink
I approximated the required doublet input into an update to my comment with a summation of two very short pulse generators.
circa 2 mesi ago | 0
Why is my step response going down instead of up?
I would focus on your equation for zeta on line 60. It is resulting in a negative value (negative damping=bad!) which gives unst...
circa 2 mesi ago | 1
| accepted
An electric circuit that includes a voltage source E with an internal resistance r, and a load resistance R is shown in the figure.
Probably late for your homework assignment. Can you write the equation for the power dissipated in R leaving R as a variable? Do...
2 mesi ago | 0
Submitted
Frequency Response Analyzer
Perform frequency analysis of your Simulink model without linearization
2 mesi ago | 26 downloads |
Unexpected noise in output voltage for buck converter
The Puse Generator has a period of 1/100000 seconds, which is injecting 100 KHz pulses into your system. The ripple is simply th...
7 mesi ago | 0
Reproduce electric motor maps as images in Matlab Simulink
A similar question was answered suggesting importing the image into Matlab and then using ginput to extract coordinates of the a...
9 mesi ago | 0
Determining time elapsed in between two successive pulses of a signal
I updated your code a bit and fed in an artificial signal. It works but has a slight error due to loop delays running on my comp...
10 mesi ago | 1
| accepted
How best to gather signals from all over a SIMULINK model to one subsystem
I moved your root model into a subsystem and used Bus Element Out(s), which was then connected to a new input on "get data" subs...
11 mesi ago | 0
A question about FOC current control for PMSM
The decoupling control is not quite correct for the PMSM motor you are using. You need to insert a multiplier by the number of p...
11 mesi ago | 1
| accepted
How to measure the steady state amplitude of a control system output
Try using this app. It injects a sine wave and measures the gain and phase after a number of cycles that you specify. https://w...
11 mesi ago | 0
How to programmatically know if a block is a sink block?
I had to add some complexity to your code to make it work on my sample file. modelfile = 'SinkXY';% Or whatever your model file...
11 mesi ago | 0
Need help with simple Simulink
This seems to do the trick. It produces the following result.
11 mesi ago | 1
| accepted
Simulation of a missile valve with Simscape
Hi Tom, A flip-flop will latch the valve shut once the flow reaches the threshold and keep it shut until you manually reset it....
12 mesi ago | 1
| accepted
Coding philosophy : Is using global goto like using a global variable?
The thing about global visibility is that this signal can be accessible anywhere in the entire model, from sub-system to sub-sys...
12 mesi ago | 1
Calling a function using ode45 in App Designer results in unrecognized function
Note that I had answered my own question.
12 mesi ago | 0
How make single block diagram with this given parameters?
Hi. If you are using a Transfer Fcn block and have the coefficients defined in your workspace, then enter the equations in the b...
circa un anno ago | 1
| accepted
Frequency domain to Time domain Using IFFT : Symmetric figure problem
Your function produced a vector of complex numbers called "A". The original sequence will be reproduced using ifft(A). But the f...
circa un anno ago | 0
Substitute s for jw in a transfer function
Matlab uses the reserved constant "i" which is set equal to sqrt(-1). Using your transfer function as defined try the following...
circa un anno ago | 0
Sample and hold block (Simulink) - initial value dominates at t = 0?
I don't have the DSP System Toolbox so have replaced the Sampe and Hold with a Triggered Subsystem which exhibited the same prob...
circa un anno ago | 1
| accepted
Question
Plots are stuck on semi-log axis
I have created an app that plots on UIAxes either with a plot command or semilogx command depending on a switch value. But once ...
circa un anno ago | 1 answer | 0
1
answerQuestion
Calling a function using ode45 in App Designer results in unrecognized function
In a private method function in App Designer I am using an ode45 call that refers to another function defined within the same ap...
circa un anno ago | 1 answer | 0
1
answerpdepe problem (numerical vs analytical solution)
I don't think you were summing the terms of your series expansion correctly. The attached code carries out the expansion summati...
circa un anno ago | 0
| accepted
Assigning roots as variables to a function
The output of the roots function can be assigned to a workspace array variable and printed out as you wanted. See the simple exa...
circa un anno ago | 0
| accepted
I have two voltage sources and I would like to get equal V_out from both sources to allow for a parallel connection. Does anyone have a suggestion on how I can use the Average DC DC converter to achieve this?
Trying to place power supplies in parallel with each will cause great unhappiness. At best you might tie the outputs together th...
circa un anno ago | 0
Integrate a signal over the last x seconds
Using a combination of an integrator, transport delay and summer where you subtract the value of the integrator output from 30 s...
circa un anno ago | 0
| accepted
