Mohammad Rezaei Larijani

Mohammad Rezaei Larijani
Sharif University of Technology | SHARIF · Department of Electrical Engineering

Doctor of Philosophy

About

4
Publications
7,052
Reads
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11
Citations
Additional affiliations
February 2016 - February 2016
IEEE workshop
Position
  • Workshop presenter

Publications

Publications (4)
Article
Full-text available
The method for modeling switching converters plays a key role in real-time simulators. Associate discrete circuit (ADC) modeling technique is a commonly used method for modeling the switching converter. However, the optimal selection of the ADC-based switch model parameters has great importance in the accuracy of the real-time simulator. In this pa...
Conference Paper
Full-text available
This paper presents a methodology for implementing the mathematical model of H-Bridge converter in an FPGA-based Real-time simulator. Furthermore, it introduces a new method for choosing parameters of the Associate Discrete Circuit (ADC) model of semiconductor switches. The ADC-based model allows obtaining a fixed topology irrespective of switches...

Questions

Questions (8)
Question
Hi
I design a PID controller for a buck converter
I discrete it by matlab with ZOH  and Ts=500 ns
and it works. However, this controller does not work for other time-step, such 100 ns or 1000 ns. For other time-step the output is 0!
How we can find the optimum time-step to for a digital controller?
Thanks 
Question
Hi,
How we can design a digital controller(PID(Z)) for Buck converter?
Question
I have a problem about stability region of the system that is discrete.
I would appreciate if you could answer my question.
I have a circuit that including several capacitance, inductance, and
resistance. I get the A (state space matrix) of the system and then
discrete this matrix by Backward Euler method.
Also The eigenvalues of the matrix(A) have been calculated.
My question is:
For stability testing of the system that is discrete by BEM, Do
eigenvalues of matrix must be
1)Inside the unit circle centered at zero?
or
2)Outside the unit circle centered at one?
If your answer is 1, please see this PDF file(Fig 7.1 b)
why said this in PDF?
Question
Hello my working is on Atlys Board (Spartan 6 ) i want to generate 400 MHz clock , How i can do it ?
Question
I want to multiply admittance matrix of power electronic converter(PEC) in m.file of matlab,First i want to multiply matrix admittance of circuit to vector of
current
source to achieve nodal voltage.
the current source is dependent to voltage of node, so the vector of
current source should be updated in simulation time.
i want to implement the circuit in M.file
How i can begin to write in m.file?
Question
I want to design a Real-time simulator based on FPGA 
I want to use the modified nodal analysis to achieve  inductance matrix of circuit: How can I achieve this matic to multiply this into voltage and current branch?

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