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How do I code this to my transfer function ?
Hi @Jay To represent time delays in linear systems, you can write something like G = tf(1,[1 10],'InputDelay', 4) or G = tf(...

4년 초과 전 | 0

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Can MATLAB solve a Lyapunov equation symbolically?
Hi @Matt Woolf Let's try a new one by reducing the non-dependant variables. I have simplified the computation by letting , , , ...

4년 초과 전 | 0

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Can MATLAB solve a Lyapunov equation symbolically?
Hi @Matt Woolf Try this script: syms k Q pe D B Ur Up Sr Sp p11 p12 p13 p22 p23 p33 A = sym('A', [3 3]); % state matrix P ...

4년 초과 전 | 1

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Use symbolic variable for lyapunov function
Hi @Kashish Pilyal If you are writing for a journal paper or a thesis, the following explanation might be helpful. Let , , and...

4년 초과 전 | 2

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Finding a propriate function to fit "U" curve
Hi @Shilin Shi I'm not an expert in High Voltage Engineering. Please clarify if the following rational logarithmic function des...

4년 초과 전 | 1

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SDOF spring mass damper system with a nonlinear spring
Hi @jithin mathew You've got the error message simply because the system is unstable. In other words, the nonlinearity causes ...

4년 초과 전 | 1

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Is a good way to get the corresponding Gaussian MF for a triangular MF changing the type in the designer and allowing MATLAB to make the Gaussian MF?
Hi @Atonbara Diete-Koki When you change the membership function in the Fuzzy Logic Designer app, say triMF to gaussMF, the app ...

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How do I solve forward dynamics 2nd order ODE with time-dependent parameters using ODE45?
With the new info on the desired joint angle trajectory profile , the following simulations are based on 3 approaches on the con...

4년 초과 전 | 2

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Choose Lyapunov function of a linear system
Hi @Cristina Magnetti Gisolo Although my answer comes late, I hope it provides a closure on this matter. @David Goodmanson's an...

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How do I do part 2 and 3 here?
Hi @Jonathan Wehner You have done with 2a and 2c. 2b. Since you have computed the polynomial coefficients in the p vector, the...

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What migh be producing these huge amount of Warnings in my FL control?
Hi @Tony Castillo It is good to hear that my suggestion described above works for your case.

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Algrebraic loop error in MATLAB/Simulink
Hi @Giorgos Mylonas If the problem involves the exponential function and you cannot solve it using any known elementary functio...

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Temperature Control System Model
Hi @Roniel Payoyo From Gao & Li (2012), the furnace temperature system can be approximated by a First-Order Plus Dead Time (FOP...

4년 초과 전 | 2

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How to make "Singleton output membership function" ?
Hi @admane hocine You can try something like the following: t = 0:0.001:1; iota = [-1 0 1]; plot(iota(1)*ones(size(t)), t, i...

4년 초과 전 | 1

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Acquire the ability to adjust the parameters of the control system in state feedback for a given nonlinear inverted pendulum
Hi @Michal Tchorzewski To assign the hard limiter that emulates the actuator output restriction by mechanical means, you can pr...

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Simulation of Equation Set Equal to Zero
Looks like the Van der Pol oscillator. clear all; clc tspan = 0:0.001:10; y0 = [1; 0]; [t, y] = ode45(@(t,y) [y(2); y(2) - ...

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Solving a system of differential equations, one second order and one first order equation
Hi @Angie If the ODEs are then they can be rewritten as . Solving the systems of equations . Now, you can enter ODEs a...

거의 5년 전 | 1

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PID simulink block for MIMO system
Hi Enejor Emmanuel This simple simulation is just to show you that it is possible to design and implement the PID controllers b...

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how to Plot of a transcendental equation?
Hi Vaswati Biswas I'm not exactly sure what you want to plot against with. However, you can try out this fimplicit function. H...

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PID simulink block for MIMO system
Hi Enejor Emmanuel The PID control tuning requires the plant model that must be single input, single output (SISO). Because the...

거의 5년 전 | 1

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plot the given equation in the interval of x=[-1 3]
Hi arun p If the equation cannot be expressed explicitly as in versus , then such equation is an implicit function, , like the...

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How can I solve these differential equations?
Hi Huan Gu I've got these results, not exactly the same patterns, but very close. clear all; clc Vspan = 0:1e-9:1e-5; y0 = [...

거의 5년 전 | 0

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I don't seem to understand the feedback function of matlab
Hi Mohammed Azeez I'll talk about the basic theory first. Take a simple pendulum for example, where its nonlinear equation of m...

거의 5년 전 | 1

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LMI equation solving problem
Hi @surya chandra gulipalli The lyap command can be used to find the solution for the Lyapunov and Sylvester matrix equations. ...

5년 초과 전 | 0

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Mathematical Modeling of mehanic system
Hi @Matthew Worker If and , then from the correct free body diagram of the two masses, the sum of forces can be written as fol...

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Solve two ODE with IVP euler
Hi @shubham kumar gupta This is one of several ways to simulate the time-varying dynamics. tspan = 0:0.0001:1; % simulation t...

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Solve first order nonlinear ODE
The x(t) response rises rapidly. It cannot go pass t = 0.0463782 sec. The x(t) response diverges for x(0) > 2 and converges to ...

거의 6년 전 | 0

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How to create output Surface for fuzzy defuzzificaion method?
Hi kalpana, If you want to create a Custom Defuzzification Function, then read the information on this link: https://www.mathw...

거의 6년 전 | 1

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Is there a way to extract my 3 transfer function in matlab given these equations.
Hi Jorje German, The transfer functions for your case in given in the first column of the matrix. You can use the functions in...

거의 6년 전 | 1

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How do I determine the linear part of a force-displacement curve?
Hi Moein M, From the Excel file, you can check and verify that the first 90 points (up to 0.089) are covered by the circled reg...

거의 6년 전 | 1