Rakesh Jain
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Awarded to Rakesh Jain on 09 Oct 2019
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Awarded to Rakesh Jain on 20 Jul 2017
Feeds
Question
How to get inverse of Backlash in simulink?
Please check the image attached herein (Source; Load Frequency Control of Power Systems with Governor Deadband (GDB) Non-linea...
ongeveer 5 jaar ago | 0 answers | 0
0
answersQuestion
How to find f(t-1) if f(t) is given using simulink
I have an equation, something like this lambda = sign [f(t)]*f(t-1)] I am computing f(t) from the function block. So, i...
bijna 6 jaar ago | 1 answer | 0
1
answerQuestion
Matlab and simulink giving different results - FOPID controller (Files attached)
Please find attached the simulink and matlab files, wherein a simple FOPID controller is designed for a system. Both the files f...
ongeveer 6 jaar ago | 1 answer | 0
1
answerQuestion
How to find step response of a non linear system
I am reading a paper "Design of PID-P Controller for Non-Linear System using PSO " by Rajim Gupta, P.K.Padhy. In that paper, the...
ongeveer 6 jaar ago | 1 answer | 0
1
answerQuestion
Sample of sine wave
I need to sample a continuous time sine wave via MATLAB. For example, I need 19 samples of a sine wave. But the output, i.e. the...
ongeveer 6 jaar ago | 2 answers | 1
2
answersQuestion
Nonlinear optimisation via fmincon
I am using fmincon to optimize my objective function: objfn = f(Kp, Kd, Ki, x, y,w).I need to find optimum values of Kp, Kd, Ki,...
meer dan 6 jaar ago | 0 answers | 0
0
answersQuestion
Addition of disturbance to microgrid system
I have a microgrid system which is represented in state space model by x dot = Ax . The dimension of A is 32*32. I want to in...
meer dan 6 jaar ago | 0 answers | 0
0
answersQuestion
Solving for coefficients : Substitution error
In the below matlab code, I m solving for the coefficients b,c,d,e,f by comparing to a known equation. In the second last line o...
meer dan 6 jaar ago | 1 answer | 0
1
answerQuestion
To find unknown constants similar to polynomial division
I have a 4th degree polynomial like 2x^4 + (3+K)x^3 + (4K)x^2 + 5x +9 (K is a constant) and a second degree polynomial like x^2 ...
meer dan 6 jaar ago | 2 answers | 0
2
answersQuestion
.eps to Matlab .fig - Is it possible
I had made a complex .fig graph in Matlab. I exported it as a .eps file but forgot to save a .fig plot. Is it somehow possible t...
meer dan 6 jaar ago | 0 answers | 1
0
answersQuestion
ISE, IAE, ITAE via Simulink
I have the data for output y and time t taken from simulink into the matlab workspace. I also have plot of y versus t Error is d...
meer dan 6 jaar ago | 0 answers | 0
0
answersQuestion
Calculation of Integral square error from Simulink
I have a control system model in simulink. Using "to workspace" block, I have taken the output y and time t from the clock to Ma...
meer dan 6 jaar ago | 0 answers | 0
0
answersQuestion
Definition of Integral Square Error via matlab (ISE)
I have to find integral square error, where error is defined below. I For the purpose of defining ISE, I have taken t= 0:0.1:100...
meer dan 6 jaar ago | 2 answers | 0
2
answersQuestion
Some variables not being shown in workspace
I am implementing an optimisation heuristic algorithm in matlab. When I run it, some of the variables are not coming up in works...
meer dan 6 jaar ago | 0 answers | 0
0
answersQuestion
Marker and color change on step plot
I want to change the color and marker style and size in step response plot through matlab code in the code. How can it be done ...
meer dan 6 jaar ago | 0 answers | 0
0
answersQuestion
Doubt with stepinfo. Matlab file and program attached
Please find attached the code sys = fotf([0.08 1.88 0],[2 1 0],[1.8],[0]); pidi = fotf([1 0],[x(4) 1],[x(3) x(1) x(2)],[...
meer dan 6 jaar ago | 0 answers | 0
0
answersQuestion
Simulink block diagram in higher resolution
I need to save a simulink block diagram in tiff format at a higher resolution. I need this to be able to use this figure in IEEE...
meer dan 6 jaar ago | 0 answers | 0
0
answersQuestion
Simulink doubt -not have enough information to determine output sizes for this block
Please find attached the simulink diagram. The code in the main function block is as follows : function [xdot,xcapdot,db...
meer dan 6 jaar ago | 1 answer | 0
1
answerEnlarge step response plot
I got the answer. On figure magnifier does this job. It is given here <https://in.mathworks.com/matlabcentral/fileexch...
bijna 7 jaar ago | 0
| accepted
Question
Enlarge step response plot
<</matlabcentral/answers/uploaded_files/82619/Abc.jpg>> I have a step response plot of two transfer functions. Both are almos...
bijna 7 jaar ago | 2 answers | 0
2
answersQuestion
Error while installing MATLAB
I have just opened the setup of Matlab R2016b. On opening, it shows an error : The installer could not start the JVM. Coul...
bijna 7 jaar ago | 1 answer | 0
1
answerQuestion
Plot browser: where is property editor lineseries
I am plotting step response of 7 transfer function in matlab R2016b. I want to select each of them individually. When I open plo...
bijna 7 jaar ago | 0 answers | 0
0
answersQuestion
H infinity norm Warning
When I calculate the h infinity norm of the following stable system given below, the warning appears that "Warning: SYSTEM has c...
ongeveer 7 jaar ago | 0 answers | 0
0
answersQuestion
Publication Quality Matlab Plot
I am writing a research paper. But the Matlab graph are of very low resolution, in the sense that when it is copy pasted into MS...
ongeveer 7 jaar ago | 1 answer | 0
1
answerQuestion
Are Stochastic selection and Stochastic uniform selection same ?
I am using Genetic Algorithm to minimise my objective function using optimtool toolbox. Under the 'selection' header it has a op...
ongeveer 7 jaar ago | 0 answers | 0
0
answersQuestion
Genetic Algorithm .Program running but not giving a maxima
The Genetic algorithm given below is to maximise a given non linear function.It runs correctly and gives some output. But the o...
ongeveer 7 jaar ago | 1 answer | 0
1
answerGenetic Algorithm .Program running but not giving a maxima
I have understood my mistake. I was my by mistake using different function for calculating output and y. Silly mistake on my par...
ongeveer 7 jaar ago | 0
| accepted
Question
Normal Random number generation
I want to generate random numbers from a standard normal distribution with decreasing standard deviation that lies between 0 and...
ongeveer 7 jaar ago | 2 answers | 0
2
answersQuestion
Solve a system of non linear equations with parameters
I have to find p11 p12 p22 in the following equations where q r b c are constants p12^2/r + 2*c*p12 - 2*q = 0 p11 - ...
ongeveer 7 jaar ago | 1 answer | 0
1
answerQuestion
Error: Double cannot convert the input expression into a double array.
The following is the program made by me which at the end gives me integral square error "integMinError". I wish to minimise this...
ongeveer 7 jaar ago | 1 answer | 0
1
answer
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