# Sam Chak

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**Content Feed**

I need Pressurized Water Reactor (PWR) steam generator matlab code so if anyone has please help me. Thanks

Hi @JAWED AHMED While I'm not an expert in Pressurized Water Reactor (PWR) systems, I can point you towards a helpful resource....

9 hours ago | 0

How to get 2% and 5% settling time from simulink?

Hi @Daniel Below, you'll find the calculation for the settling time based on the 5% criterion: %% System zeta= 1/2; wn = 1;...

13 hours ago | 0

how to write sqrtroot power 7 ?

@Grégoire, If you mean this function: then you can use the function handle: g = @(x) (sqrt(14*x - 7)).^7; x = 0.5:0.01:...

15 hours ago | 1

Different results between Step and Stepinfo

Hi @Gerard Carroll The main reason behind the difference in the step-response characteristics between Approach 1 (from Transfer...

16 hours ago | 0

How do I deploy singleton membership function in fuzzy logic output

Hi @Evans Here's how you can create fuzzy singleton membership functions. In this code snippet, I'm using three singletons. % ...

17 hours ago | 0

Hello, please can you help me to solve the error in this code below!!!!

Hi @yousra yahia I'm not entirely certain about the purpose of your code since some lines appear to deviate from the strict rul...

1 day ago | 0

The distance traveled by a ball falling in the air is given by the equation x = x_{0} + v_{0}*t + 1/2 * a * t ^ 2

Hi @Felix Jim It might be beneficial for you to explore how to utilize MATLAB for solving dynamical equations, particularly whe...

1 day ago | 0

What would be the equation of the following surface?

You can probably try this quadratic function , where is a constant, and , . Update 1: Another candidate function for the surfa...

2 days ago | 0

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how to write a complex transfer function

Ensure no space in . numerator = [-10.45 -10.53 -.2246 0]; denominator = [0 1 1.2116 -.1087-.0909j]; sys = tf(num...

2 days ago | 0

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I am having trouble to define in matlab the transfer function of the following block diagram.

Hi @Jake In order to obtain the transfer function of the plant, you can likely perform the algebraic manipulations in the manne...

6 days ago | 1

LQR for nonlinear system is running but not tracking

Hi @Kamal I wanted to bring to your attention that the controllability matrix does not meet the requirement of full row rank. I...

6 days ago | 0

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Index exceeds the number of array elements. Index must not exceed 1.

Hi @Deepti t I would recommend calculating the ITAE (Integral of Time-weighted Absolute Error) within the Simulink model and co...

16 days ago | 0

Learn Optimization Techniques with MATLAB

Hi @Donne If this is indeed a static optimization problem, the minimization of the volume of the cone clutch can be achieved by...

16 days ago | 0

How to solve 'out of memory' problem while solving coupled differential equation ?

Hi @Golam I have a suspicion that the main issue lies in the state equation of , possibly due to the excessively large values o...

18 days ago | 0

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How to chnage the coefficent for transfer function?

Hi @Shambaven Srimurugathas I believe that the following result is probably what you are seeking. Update 2: As per what you w...

18 days ago | 1

Finding range of variable for which eigenvalue of matrix is negative.

Hi @Manas I'm not sure how you mathematically derived the matrix in the question. However, based on your comment, the 3-by-3 st...

21 days ago | 1

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 ...

22 days ago | 0

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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^...

22 days ago | 0

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...

22 days ago | 1

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*...

22 days ago | 0

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...

22 days ago | 0

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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...

23 days ago | 0

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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 ...

23 days ago | 0

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...

24 days ago | 1

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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...

24 days ago | 0

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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...

25 days ago | 0

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...

26 days ago | 0

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 % ...

26 days ago | 0

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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...

26 days ago | 0

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...

26 days ago | 0