# Sam Chak

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**Content Feed**

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...

13 days ago | 0

| accepted

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...

13 days ago | 0

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...

1 month ago | 0

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) - ...

1 month ago | 0

| accepted

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...

3 months ago | 0

| accepted

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...

3 months ago | 0

| accepted

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...

3 months ago | 0

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...

3 months ago | 0

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...

3 months ago | 0

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 = [...

3 months ago | 0

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...

3 months ago | 0

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. ...

1 year ago | 0

Mathematical Modeling of mehanic system

Hi @Jan Vidlak If and , then from the correct free body diagram of the two masses, the sum of forces can be written as follow:...

1 year ago | 3

| accepted

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...

1 year ago | 0

| accepted

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 ...

1 year ago | 0

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...

1 year ago | 0

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...

1 year ago | 0

| accepted

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...

1 year ago | 0

How can I solve this system of ODEs?

Thank you for your acceptance. V1, V2, V3 are just constants. You can move V1, V2, V3 to the right-hand side of the ODEs by doin...

1 year ago | 0

How can I solve this system of ODEs?

Try this, but please check if the ODEs are entered correctly. You should use the method described in the link. I used this metho...

1 year ago | 0

| accepted

How do I plot the control signal "u" ?

One workaround to plot the piecewise control signal is to introduce an additional state into the system, where is the actuato...

1 year ago | 0