# Praveen Kumar

### NIT Silchar

Last seen: plus d'un an il y a Actif depuis 2017

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Question

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. ...

plus de 3 ans il y a | 1 réponse | 0

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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...

plus de 4 ans il y a | 1 réponse | 0

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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...

plus de 4 ans il y a | 3 réponses | 0

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

presque 5 ans il y a | 1 réponse | 0

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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...

plus de 5 ans il y a | 1 réponse | 0

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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...

plus de 5 ans il y a | 1 réponse | 0

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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...

presque 6 ans il y a | 1 réponse | 1

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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...

environ 6 ans il y a | 1 réponse | 0

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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 ...

presque 7 ans il y a | 1 réponse | 0

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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 ...

presque 7 ans il y a | 1 réponse | 0

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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?

presque 7 ans il y a | 2 réponses | 1

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Réponse apportée
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 ...

plus de 7 ans il y a | 0