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Praveen Kumar


NIT Silchar

Last seen: 8 months ago Active since 2013

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How to use lsqcurvefit for below problem?
Aim is to find the parameters R1,R2,C1 and C2 while minimizing the above objective function. Rest of the variables are given. ...

12 months ago | 0 answers | 0

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answers

Question


ODE45 solver results changes. How to select optimal Reltol and Abstol?
Hi, I am trying to solve ODE45 for solving an initial value problem. Part of the code is shown here to explain, if required I c...

2 years ago | 0 answers | 0

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answers

Question


Any methods to solve optimal control indirect method such as Pontryagin Minimum Principle?
Hi, I would like to solve an optimal control problem using Pontryagin Minimum Principle. There are few numerical techniques wit...

2 years ago | 2 answers | 0

2

answers

Question


F28379D-Simulink data monitoring: PWM signals
Hi, I am learning to use TI F28379D interface with Simulink. I saw examples of data monitoring where voltage, currents data are...

2 years ago | 1 answer | 0

1

answer

Question


Optimal control using dsolve error
Hi, I am trying to simulate optimal control problem using the method/example provided in Link, but for a different system.. But...

3 years ago | 1 answer | 0

1

answer

Question


How to implement optimal control using Pontryagin's Minimum Principle for HESS in EV application as in attached paper?
I am trying to implement a paper based on optimal control of energy management of HESS in EV. It's based on Pontryagin's Minimum...

3 years ago | 1 answer | 0

1

answer

Question


I have modeled 'Battery controlled DC motor using DC-DC converter (Bidirectional)' in simulink. Voltage keeps increasing?Why?Also, high discharge current.
I have modelled battery controlled DC motor using a DC-DC converter with closed loop PI controller. When I am using a simple res...

3 years ago | 0 answers | 0

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answers

Question


How to decide the sampling time in powegui block in discrete mode?
For example, a model of DC-DC converter (boost), how to decide the sampling time in powergui block to run in discrete mode? I ha...

3 years ago | 0 answers | 0

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answers

Question


How to draw a contour from a color image of a contour with custom scales?
I have an image of contour plot/ efficiency map of a motor. I need to draw similar contour plot in MATLAB to extract the values ...

4 years ago | 0 answers | 0

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answers

Question


How to extract data from a plot for various values of X and Y axis?
I have a *speed vs time plot*. Now I have to extract the speed data for a particular time which is used in a 'for loop'. For ...

4 years ago | 1 answer | 0

1

answer

Question


How to draw efficiency map contour of a motor?
Given vectors of Speed, Torque and Efficiency. How do I draw the contour for efficiency map of the motor in matlab?

4 years ago | 1 answer | 0

1

answer

Answered
Error when running inbuild example of Simulink (R2013a) Supercapacitor Model
# Try running "mex -setup", select appropriate compiler and restart Matlab and try simulating the same. # If it doesnt detect ...

5 years ago | 0

Question


How to simulate to obtain the characteristics of AC series motor?
I am new to Matlab. I need to simulate a model of AC series motor to obtain a scope of speed, torque etc. Please help with neces...

8 years ago | 0 answers | 0

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answers