Community Profile vishnuvardhan naidu tanga

Last seen: 1 year ago Active since 2019

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Algebric loop error for a PI controller feed back?
Hello, I am trying to solve a model. The model consists of a feedback loop for a PI controller which controls the input variabl...

1 year ago | 0 answers | 0

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Comparision of data in simulink sensitivity analysis?
Hello, I have performed sensitivity analysis of a simulink model using sensitivity analysis tool. I have performed the analysis...

1 year ago | 0 answers | 0

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How can i compare two sensitivity analysis data in simulink?
Hello everyone, I am performing a sensity analysis of a model in simulink using simulink design optimiser tool. I have performe...

1 year ago | 0 answers | 0

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Derivative of state '1' in block 'integrator' at time 0.0 is not finite.
Hello, I have modelled a superheater using simulink. And I have used a PI controller to tune the system. now I need to perform ...

1 year ago | 0 answers | 0

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How to solve Index in position 1 exceeds array bounds (must not exceed 1).
Hello, When I am trying to run my code in matlab 2020a version I am getting this error. but when I am running the same code in ...

1 year ago | 1 answer | 0

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Modelling of steam flow control valve?
Hello, I am trying to model a simple steam control valve in simulink. Is there any way to model that. I know the basic dynamics...

1 year ago | 1 answer | 0

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Derivative of state '1' in block 'XXXX/Integrator Limited1' at time XXXX is not finite. The simulation will be stopped. There may be a singularity in the solution. If not, try reducing the step size (either by r
hello, when I am trying to solve the model I am getting the following error when I am using ODE15s as solver. Derivative of st...

1 year ago | 0 answers | 0

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how can i convert cell to matrix?
Hello, I am trying to convert the data obtained into matrix. so the dimensions of the T, P and h_out after I run the code are 1...

1 year ago | 1 answer | 0

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Hello I am trying to model a 2D lookup table in simulink. I am calling the break points and table data from workspace. When i ru...

1 year ago | 1 answer | 0

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How can i Extract data from Xsteam?
Hello, I am trying to extract data from steam table for pressure range of 20bar and temperature range of 1000. I have written a...

1 year ago | 0 answers | 0

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Index exceeds the number of array elements?
Hello, I am trying to extract data from Xsteam.I am trying to retrive data with respect to temperature. the code is as follows...

1 year ago | 1 answer | 0

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how to extract data from xsteam to simulink using lookup tables?
p = p_in; a = 1000; b = 0.01; h_vap = zeros(1,((a-1)/b)); L = length(h_vap); for i = 1:L T(i)= 1+b*i; h_v...

1 year ago | 0 answers | 0

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How to write subscript and superscriopt in a single variable?
Hello every one, Can someone tell me how can i write this symbol in matlab script.

2 years ago | 0 answers | 0

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simulink to workspace using simout as a scalar value
hello everyone, I need to get the data from simulink to workspace, to do that i have used simout block. BUt i am getting a time...

2 years ago | 0 answers | 0

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hello everyone, I am working on a model in simulink. Is there any way to provide the input soure from a value of 0.2 to 4 at an...

2 years ago | 0 answers | 0

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Expected a value representable in the C type 'int'.
Hello everyone, I am simulating a simple equation in simulink as a matlab function block. and i am getting the following error,...

2 years ago | 0 answers | 0

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calling a callback function from script
hello everyone, I am trying to calculate the steam table data using the XSteam.m script. I have written a callback loop to calc...

2 years ago | 1 answer | 0

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modelling in matlab of differential equation
Can someone pls tell me how to model this equation in matlab. M*C_p*dt_a/dt = (Q-(m*(h_w-h_s))-(rho_w*V_w*(dh_w/dt))); Where...

2 years ago | 1 answer | 0

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solving of differential equation in simulink
hello, can someone tell me how can i model this equation in simulink. the main problem i am facing in it is there are two diff...

2 years ago | 0 answers | 0

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calculation of thermal properties of steam in simulink?
Hello, Is there any way to calculate thermal properties of steam from steam tables such as density, enthalpy etc in simulink us...

2 years ago | 0 answers | 0

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for loop as matlab function in simulink
Hello is there any way to do for loop as a matlab function in simulink. my code is as follows: P=zeros(1,n+1 ); P(1) = P_in ; ...

2 years ago | 0 answers | 0

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summation in matlab with for loop
how can i write the code for the following equation using for loop and summation. here the bold and the underlined part of the e...

2 years ago | 1 answer | 0

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for loop in simulaink as matlab function
Is there any way to use this code as a matlab function in simulink? P=zeros(0,n+1); P(1) = P_in; CR = (P_out/P_in)^(1/(n));...

2 years ago | 0 answers | 0

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The size of the indicated variable or array appears to be changing with each loop iteration
hello, i am trying to model an iteration loop in matlab, and i am getting the following error 'The size of the indicated variabl...

2 years ago | 1 answer | 0

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how can i differentiate a constant in simulink?
hello everyone im trying to differentiate a constant in simulink. but when i use derivative block it considers the value as cons...

2 years ago | 1 answer | 0

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modelling of equations in matlab
hello every one, i am trying to model a equations in matlab/simulink. can some one tell me how to model these equations in simul...

2 years ago | 0 answers | 0

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Modelling of a air compressor
I am trying to model a screw compressor in matlab/simulink. the parameters which i know are just input temperature, pressure and...

2 years ago | 0 answers | 0