A research paper IEEE format (DC-DC converter)
Hala212
StateSpaceModellingofDC-DCConverterandMATLABHalaFay.pptx
State Space Modelling of DC-DC Converter and MATLAB Simulink Simulation
By: Hala Alolyan & Fay Saifuddin
Course: ECE349
Table of content
INTRODUCTION
BACKGROUND
CONVENTIONAL DC-DC CCONVERTERS
STATE-SPACE MODELLING OF CONVETRES
SIMULINK MODEL
RESULTS
1. INTRODUCTION
Converters play a crucial role in managing and controlling the power flow to have the optimum desired outputs
Mathematical modeling, transfer function analysis, and state-space analysis techniques of converters
Conventional modelling is through inductor, resistor and capacitors
Most efficient way is through state-space modeling
The modelling is simulated on MATLAB Simulink
2. BACKGROUND
The converters efficiency depends on various factors
The one of the main factor is switching speed
The conventional model is having switching speed up to some extant
The state-space modelling improves the switching speed
Can calculate the theoretical output as well from state-space
3. CONVENTIONAL DC-DC CONVERTERS
The conventional modelling is through components capacitor, inductor and resistor
The model is usually drawn and simulated on different software's.
The main software Pspice, Ltspice and some other software’s.
The model is simulated to have desired output voltage and current across the inductor
The convectional method effectively analyze the ripples as per switching frequency
4. STATE-SPACE MODELLING
The state-space modeling is way efficient
The switching speed is much high
The simulated software simulate it effectively fast, MATLAB Simulink
The modelling as per state space variables and matrices
4. SIMULINK MODELLING
The state-space model is used to insert the state-space matrices
The gain model is used to calculates the efficiency of the switching of the converter
The demux is used to split the output into state space variables
The output is displayed on the scope
"DC-DC converter subsystem in Simulink"
5. RESULTS
The simulated results are compared
The state-space is faster than the conventional simulated software
The state-space do not look for the ripple as it do not have switching frequency
The conventional simulation looks for the ripples
The limitation is efficiency of state-space entered into the block before simulation
5. RESULTS
6. CONCULSIONS
For fast switching application state-space modelling is one of the best option
Integration of state-space model is so easy
The limitation is it do not check for ripples due to switching frequency
For the application where ripple control is important the conventional model is recommended
THANK YOU
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