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MATLAB is a commercial numerical computer algebra system

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The PV cell can be modelled with a current source, a diode and 2 resistors. The following is the equation for single-diode model for a PV cell. Except I and V, every variables are constants like Iph = ...
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How to design a 6-pole Butterworth band-stop filter (300 Hz – 3400 Hz) in Matlab using lp2bs? I’m working on a university project where I need to design a 6-pole Butterworth band-stop filter (notch) ...
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This might not be the best place to ask this question. But I am pretty sure others have accomplished such task before. I need to iteratively run MATLAB and HSpice. The series of steps that need to be ...
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What I’ve done so far Combined W₁ and Wₓ into an equivalent block W₁ₓ (second image). Moved the summing junction, then combined W₁ₓ in series with W₂ to form W₁ₓ·₂, combined (1/W₁ₓ) in series with W₄...
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Can you help me with a state space representation of the electrical network below: simulate this circuit – Schematic created using CircuitLab I'm representing this network in a (mathematical) ...
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Currently I am doing calculation of V/F control for Induction motor (IM) control using Matlab. I do simple voltage and current calculation based on the equivalent IM circuit. then get the torque based ...
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Data sheet My Question: I've implemented CRC read on my ADC, but I'm not getting the correct results. I'm following the datasheet for the calculation, but something still seems off. Has anyone with ...
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I'm currently designing an Artificial Neural Network PV MPPT. Currently the MPPT is working as it intended. Right now I want so that i can train or code my ANN block so that it can output a 60 volt ...
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I have no idea where I went wrong with this homework question: The waveform: I deduced the function as: $$ y=\begin{cases} 1000t & t\in [ 0,0.002]\\ -1000t+4 & t\in [ 0.002,0.006]\\ 1000t-8 &...
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The following is the PDF from EMpossible. MOM Have anyone written matlab code according to Lecture-9c-Method-of-Moments-for-Thin-Wire-Antennas? The following is my code in matlab. ...
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Link to MATLAB & Simulink files: https://drive.google.com/file/d/10hG0oOyMZtza1jTbSUYh39C3fjJTs9c8/view?usp=sharing I'm implementing a low-power buck converter with the following specifications: ...
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I have 2D radiation patterns of power measurements on the XY, YZ and XZ planes. The output is a *.csv file; in the first colunm we have the rotation angle from 0 to ...
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I am trying to run LTSpice transient simulations automatically using Matlab. Currently, I am using a simple RLC circuit before applying my code to my needs. I want to 1: set the initial conditions of ...
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I am new in LTspice and optimization. Could someone please get me started on how to use LTspice and MATLAB together to run a gradient descent optimization and update the value of parameters? I am ...
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I need to understand the purpose and type of the block encircled in blue from this simulink simulation from which i only have images, not the actual file.
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I am trying to calculate bode plot of a circuit. For proteus my frequency at -63dB is 18 kHz as sample the circuit connection and its bode plot is provided. Using analytical approach I calculate the ...
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I am trying to simulate an electronical device that can be modeled by a mass-spring-damper system with an additional non-linear force. The equation at the equilibrium for the system is the following : ...
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I made MATLAB calculate the Fourier transform of these square wave pulses which have a frequency of 60Hz. I do not understand why, the more I increase the sampling frequency, the less visible the ...
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I have been trying to create a piecewise linear model of a diode through curve fitting. While trying to implement the code below, I ran into a strange bug that is causing my output curve to shift to ...
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I am designing a PCB IFA and to get used to simulating it later down the road, I decided to first simulate an existing, known working design. Known design for 0.062" Substrate (page 3) This is ...
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I have built a fully controlled three-phase rectifier in MATLAB Simulink. Now according to theory for RL load as I increase firing angle from 90 deg to 180 deg, the output voltage should become more ...
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I am trying to theoretically find the frequency response of the circuit given below: Firstly i found the impedance value of the RC Ladder by applying the equation below, then i defined this as "...
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I am trying to get a visual representation of how the Doppler effect destroys the orthogonality of the subcarrier and understand this effect. I plotted three orthogonal subcarriers in MATLAB: ...
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I have been trying to simulate the following RLC circuit: When I simulated in Multisim Live I obtained the following frequency response, which I expected based on the values I used to calculate ...
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$$\frac{C(s)}{R(s)}=\frac{\omega_n^2}{s^2+2\zeta \omega_n s+\omega_n^2}$$ Obtain the pole zero map and step response of the 2nd order system and determine the mode of damping in the system. If the ...
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So, i've been asked to get the differential equations (or model) for this circuit: V1=15 u(t)V, R1=10 ohm, R2 = 20 ohm, C1=10uF, C2=20uF I'm just a beginner, and don't know if the differential ...
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I am using an HP 34401A as an ADC for data acquisition. I am triggering the device within a 'for' loop in MATLAB, so that I can synchronize the measurement with a separate device. I am able to collect ...
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I have a boost converter which works perfectly with an s-domain controller (using a type-3 compensator and dual loop). Now, I need to do this using digital control (z-domain). I have converted the s-...
Boost_Guy's user avatar
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Here is my circuit in LTspice. The frequency AC is here: This is DC with .op command. --- MOSFET Transistors --- Name: m1 Model: nmos-sh Id: ...
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I am sending data from an Arduino Uno to MATLAB. Below is my Arduino and MATLAB code: Arduino Code: ...
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How do I find poles and zeroes from this complex transfer function? $$ H(s) = \frac{2959}{100\,s} - \frac{ 171\, \Gamma\left( \frac{7447}{10000} \right)} {200\, s^{7447/10000}} $$ I used the ...
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MattCG's user avatar
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I wrote up some code in MATLAB that's supposed to simulate the frequency response of a third order passive low pass Butterworth filter with a cutoff at 10kHz. The curve seems to match the results I ...
Tim Dorval's user avatar
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I simulated the 2N5089 bipolar transistor in both programs. The output I-V curve is completely different, although both programs use the Ebers-Moll model. Spice-model of the transistor: ...
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I have this circuit in LTSpice to test a PMOS model: and this matlab function that implements a basic pmos with the characteristics equations: ...
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I am using MATLAB 2015a and I am trying to get stepinfo parameters of output that was exported from Simulink to MATLAB workspace but I am not getting same values as if try to get stepinfo for MATLAB ...
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I'm currently having trouble troubleshooting my answer. I have to make a bandstop filter that has a cutoff frequency of 100 rad/s, and 10^6 rad/s using two Sallen-Key filters. I made the low and high ...
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I want to develop a trilateration algorithm using 3 fixed advertising beacons in different parts of a room and a mobile receiver which continuously gets the RSSI values of the 3 fixed beacons and ...
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I'm trying to plot a -20dB/dec line on MATLAB but can't seem to get it correct. I know that a linear line in a loglog plot is actually an exponential curve in the linear scale. So writing a y = mx + ...
SM32's user avatar
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EDIT: This is not a duplicate of 'Wrong graphs for Ids'. That one focuses on the transfer characteristics, while this one addresses the output characteristics. This distinction was also mentioned in ...
begin's user avatar
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EDIT: I have now obtained this graph, using the suggested changes. Does it look reasonable? And this one maybe more clearer: I'm writing a MATLAB script that employs Shockley's model to derive the ...
begin's user avatar
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Please check the attached snap especially the portion in red marked area, which is simulation stop time and it has default value of 10? Is it 10 second or any other unit? According to my experience, ...
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I have a beamforming vector, which includes amplitude and phase information. How can I determine the corresponding beamforming pattern for the antenna and plot it in Matlab? For example, I have a ...
Zhenlong You's user avatar
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I'm designing a type 3 compensator with an opamp for a flyback which is operating in a constant voltage mode. Therefore I measured the plant and started to design a suitable type 3 compensator to ...
daniel's user avatar
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I am using the sisotool in MATLAB to obtain the bode plot of the following transfer function: MATLAB marks a pole at wo which is approximately 11.18 What is the meaning of this? How would you even ...
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For a Simulink Model I am looking for a quick and easy way to estimate PI-controller parameters for a speed control loop and Id and Iq controler of a PMSM using FOC. I don't have a real motor just the ...
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I'm trying to design a PI Controller on the basis of this paper: "Design of robust PI control systems based on sensitivity analysis and genetic algorithms." by Jau-Woei Perng • Shan-Chang ...
Rin R's user avatar
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So far I have not much experience with modeling in the field of lithium-ion cells or batteries except equivalent circuit models (ecm)-models which I've implemented and used for simulations in Matlab/...
Medi1Saif's user avatar
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I'm a student new to sensors. I'm currently calibrating the gyroscope from the following IMU: ICM42670. I was able to get the bias by leaving the gyro for some time and getting the average of the ...
miiguell's user avatar
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How to create a rectangular waveform with amplitude 18 to -3 using pulse generator? If I put 18 as the amplitude then the wave is between 18 and 0. How do I change that to 18 to -3?
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