# vishnuvardhan naidu tanga

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**Content Feed**

Question

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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answersQuestion

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

### 0

answersQuestion

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

### 0

answersQuestion

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

### 0

answersQuestion

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

### 1

answerQuestion

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

### 1

answerQuestion

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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answersQuestion

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

### 1

answerQuestion

lookup table error in simulink

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

### 1

answerQuestion

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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answersQuestion

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

### 1

answerQuestion

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

### 0

answersQuestion

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

### 0

answersQuestion

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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answersQuestion

incrementing input value in simulink?

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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answersQuestion

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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answersQuestion

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

### 1

answerQuestion

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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answerQuestion

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

### 0

answersQuestion

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

### 0

answersQuestion

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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answersQuestion

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

### 1

answerQuestion

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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answersQuestion

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

### 1

answerQuestion

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

### 1

answerQuestion

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

### 0

answersQuestion

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

### 0

answersQuestion

how can i code energy balance eq in matlab

i need to model these two eqns of heat exchanger dT_Co/dt = ((M_C*(T_Ci-T_Co))/(rho_C*V_C))+(UA_i*(T_Ho-T_Co)/(rho_C*V_C*C_Pmc)...

2 years ago | 1 answer | 0