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Hi, I am new to Matlab. When typing in a line of code, nested in it is a helper function, can someone assist me with the correct placement of the helper function.unction
Hi @Augustine In the past, the convention was to save the helper function as a standalone m-file, typically placed in the same ...

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I am having trouble with PID controller design Non minimum phase system
The pidtune() command from the Control System Toolbox can be applied to this problem. %% Plant s = tf('s'); Gp = (3e-09*s^...

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How to define Fuzzy Rules?
Hello @Moussa Here's how we go about estimating the number of rules based on the given number of inputs and the number of membe...

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Solution of a second order differential equation
Hi @Swami I've got a solution from the bvp4c() solver. syms y(x) L = 1; A = 1; p = x^2; s = 10*diff(y,x) + 100000*...

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Difficulties in pole placement of an observer usign "place" command
Hi @Salvatore De Luca In general, the Observer is typically designed to respond at least twice as fast as the full-state closed...

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How do I make a secondary Y axis
Hi @Kami S Perhap a possible solution for manipulating the graph labeling is by using the yticks() command, which allows you to...

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heat and mass transfer problem nonlinear differential equations
Hi @uma I wanted to inform you that I have discovered five sets of Equilibrium Points for the system. However, it appears that ...

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Questions about the PID controller of an inverted pendulum
Hi @Carmen Serrano Portillo Could you please check if the current response of the inverted pendulum under the PID controller al...

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Index in position 1 exceeds array bounds. Index must not exceed 1.
Hi @Yu In addition to the technical points raised by @Jon and @Dyuman Joshi, there is a major issue with the way you have model...

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how to solve these cubic equations with three terms and three equations
Annyeonghaseyo @재혁 Can you verify if the following three simplified equations are 100% correct, or are the equalities merely ap...

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Step Response Initial Value Unchangeable?
Hi @Edward Robson In the "Design Requirements" documentation, it is explained that the fields are greyed out because step respo...

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I am unable to run this program.
Hi @Puja I've indicated the location where you should apply a fix to it. second_oder_ode function second_oder_ode % ...

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Nonlinear impact model of a tennis racket and a ball
Hi @Farnam I wanted to share that Andre Agassi is my all-time favorite professional tennis player. When observing the motion of...

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Nonlinear Iteration is not converging?
Hi @Yusuf Taha Okutan Based on your Simulink model titled "PID.slx," it seems that you are attempting to simulate the motion of...

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Searching for resources , books or PDF
Hi @AMIT SURYAVANSHI You can explore MathWorks-endorsed books on Communications Systems by visiting this link: https://www.math...

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I dont know how to integrate a function with variables depending on time
Hi @Diego Martínez Caldas You can utilize the odeToVectorField() function to convert the 2nd-order differential equations to a ...

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How can I design and simulate an anti-surge controller for centrifugal compressor using Fuzzy Logic controller?
Hi @MADUKA CHIKA I came across a relevant paper titled "PID and Novel Approach of PI Fuzzy Logic Controllers for Active Surge i...

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Looking for an state controller for NON-linear systems
Hi @Martin Mittrenga Update: Since the system is nonlinear, traditional methods like Ackermann's method won't be suitable. Howe...

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Error message when running Simulink model with regards to Adaptive High-Order Terminal Sliding Mode Control
Hi @Syeda Nadiah Fatima The power term , where , in the sliding surface equation (Eq. 12), , can lead to issues, and it may eve...

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I need help with ode45 function, how to write the code?
Hi @Zlatan It's great that you figured it out. Anyway, here is the code snippet for the state-space version. I would suggest pl...

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Why everytime I am trying to write the values for num and den in the transfer function block I get num(s)/den(s)?
Hi @Alexander Guillen & @Kurniawan Let's say we want to input a third-order critically-damped system into the Transfer Functio...

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what is the area of the solar panel?
Hi @ali burak If you take a look at the block parameters of the PV Array in the Simulink model, you will find information about...

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Is there any MATLAB three-phase imbalance optimization code？
Hi @吴权敏吴 If you're looking for MATLAB codes or Simulink models, I suggest checking the File Exchange first to see if they are ...

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I want some example Simulink model for this one
Hi @Mohamed Althaf Here are two examples of PV that you can use to test out your innovative optimization technique. Example 1:...

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control design for marginally stable system
Hi @Mohamed Since no performance requirements are specified, the pidtune() command can be used as the initial step in designing...

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I'm new to MATLAB and I'm interested in creating an optimization algorithm. Can someone provide guidance on how to get started?
Hi @SRINIVASULU, When you talk about "creating an optimization algorithm," do you mean that you want to invent a novel optimiz...

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How to create an envelope in a plot from a csv. data?
Hi @Mathias Braun MATLAB has a function called envelope() that enables users to compute the upper and lower envelopes of a sign...

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Finding Transfer function of robot finger
Hi @abdulsamed kaymakci I understand that most of us seek productivity, aiming to produce acceptable results (without the need ...

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Hello everyone. Is it possible for me to use ANFIS model as an objective function in PSO? I will appreciate a code or any other way of going about it.
Hi @ELLY Theoretically, you can employ the ANFIS model for prediction within (rather than as) the objective function. In this s...

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Regarding Pole Placement Techniques
Hi @MUHAMMAD ANAS SULHI Just a heads up, it looks like you forgot to convert the original state-space system to phase-variable ...

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