sun and mpp tracking in solar array systems using flc via fpga by: eng.mohammed s. el...
TRANSCRIPT
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Sun and MPP Tracking In Solar Array Systems Using FLC Via FPGA
By:By:Eng.Mohammed S. EL Moghany
Advisor:Advisor:Dr.Basil Hamed
The Islamic University of GazaDeanery of Graduate StudiesFaculty of EngineeringElectrical Engineering Department
بسم الله الرحمن الرحيم
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Presentation Contents
1 - Introduction
2 - Solar energy
3 - Fuzzy Logic Controller
4 - FPGA
5 – Sun Tracker FLC Design
6 –MPP Tracker FLC Design
7 - Conclusion
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I- Introduction
Renewable energy : comes from natural resources such as sunlight, wind, and geothermal heat, (replenished).
Renewable energy sources play an important role in electric power generation.
The fossil fuels (ex. gas, oil, coal) are limited and hand strong pollutants.
The most important of renewable energy is solar energy.
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I- Introduction
Solar energy: is directly converted into electrical energy by solar photovoltaic modules.
The applications for solar energy are increased
Need to improve the materials and methods used to harness this power source.
Sun tracking and maximum power point (MPP) tracking. For that we need controllers.
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I- Introduction
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Sun tracker FLC MPP tracker FLC
FPGA card (Spartan-3AN, Xilinx Company, 2009)
Increasing the efficiency of electrical power generated from photovoltaic module.
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II- Solar Energy
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•Photovoltaic (PV):
• Direct conversion of sunlight to electricity by using a semiconductor,
• Usually made of silicon .
•The word photovoltaic comes from the Greek meaning
•“light” (photo) and “electrical” (voltaic).
•Bell Laboratories produced the first solar cell in 1954,
for space applications, efficiency =5 %.
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II- Solar Energy
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•Photovoltaic (PV):
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2- Solar Energy
8
+
_
Ip Rsh
Rs
v
i
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II- Solar Energy
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Types of Solar Panels
Monocrystalline
ζ =18%
Large crystal of silicon
Polycrystalline
ζ =15%
Small crystal of silicon
Amorphous
ζ =10%
Molten silicon
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2- Solar Energy
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Solar energy advantages:o Need no fuel
o quick responding
o Non-polluting
oEasy maintenance
o Can be integrated with other renewable energy sources
o Simple & efficient
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II- Solar Energy
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•PV Applications:
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II- Solar Energy
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•PV Applications:
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II- Solar Energy
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•PV Applications:
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II- Solar Energy
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•PV Applications:
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I- Introduction
Fuzzy Controller
System Model SystemExperience
Conventional Controller
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Sun tracker MPP tracker
Increasing the efficiency of electrical power generated from photovoltaic module.
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The concept of Fuzzy Logic (FL) was conceived by Lotfi Zadeh, the father of Fuzzy 1960's .
In 1974, Mamdani published the first paper for fuzzy applications. steam engine.
In 1985, Takagi and Sugeno published another effective method for fuzzy control.
III- Fuzzy Logic Control
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III- Fuzzy Logic Control
Japanese
1980's
1994
35 billion dollar
Elevator
Toshiba
Washing machines
Panasonic
Cars
Honda & Nissan
Cameras
Canon
air conditioners
Mitsubishi
USA other countries17
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III- Fuzzy Logic Control
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FUZZY SETS
crisp sets The temperature x is warm
is 0.7 or 70%.
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Structure of Fuzzy logic control "FLC"
III- Fuzzy Logic Control
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Structure of Fuzzy logic control "FLC"
III- Fuzzy Logic Control
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Structure of Fuzzy logic control "FLC"
III- Fuzzy Logic Control
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Mamdani: Rt IF x is At THEN y is Bt
Sugeno: If x is A and y is B then z = f(x,y)
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Structure of Fuzzy logic control "FLC"
III- Fuzzy Logic Control
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max
min
max
min
. ( )
( )
x
x
x
x
x x
COG
x
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I- IntroductionHardware Controllers implementation
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Fuzzy Controller
Digital
Based on hardware.digital logic gates
Based on softwarePLCs
Digital
Microprocessor
Microcontrollers
ASICFPGA
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IV- FPGAs
PLD
And , Or, Nand , Nor …
SPLD PAL PLA
ASIC FPGA ”85-95”
CPLD
1970
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IV- FPGAs
PLD
And , Or, Nand , Nor …
SPLD PAL PLA
ASIC FPGA ”85-95”
CPLD
1970
25
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IV- FPGAs
PLD
And , Or, Nand , Nor …
SPLD PAL PLA
ASIC FPGA ”85-95”
CPLD
1970
26
•Faster • Less complex software•But without the flexibility of the PLA
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IV- FPGAs
PLD
And , Or, Nand , Nor …
SPLD PAL PLA
ASIC FPGA ”85-95”
CPLD
1970
27
CPLD = set of PLAs
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IV- FPGAs
PLD
And , Or, Nand , Nor …
SPLD PAL PLA
ASIC FPGA ”85-95”
CPLD
1970
28
•100 million gates•entire 32-bit processors•ROM, RAM•use Verilog or VHDL
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IV- FPGAs
PLD
And , Or, Nand , Nor …
SPLD PAL PLA
ASIC FPGA ”85-95”
CPLD
1970
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Xilinx combine the user control and time
to market densities and cost benefits
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IV- FPGAs
Xilinx offers WebPACK ISE11.1 software, Modelsim
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FPGA Programming
FPGA Programming steps
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Spartan-3AN Starter Kit Board
IV- FPGAs
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V- Fuzzy Controllers Design Block diagram for the system
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Sun Path :
V- Sun Tracker FLC Design
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Sun Tracking :
V- Sun Tracker FLC Design
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S.T. Controller design
V- Sun Tracker FLC Design
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S.T. FL Controller design
V- Sun Tracker FLC Design
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S.T. FL Controller design
V- Sun Tracker FLC Design
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S.T. FL Controller design
V- Sun Tracker FLC Design
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S.T. FL Controller design
V- Sun Tracker FLC Design
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S.T. FL Controller design
V- Sun Tracker FLC Design
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S.T. FL Controller design
V- Sun Tracker FLC Design
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O.S= 1.3% Ess= 0.005 deg, S.T=16 msO.S= 1.3% Ess= 0.005 deg, S.T=16 ms
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S.T. FL Controller design
V- Sun Tracker FLC Design
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S.T. FL Controller design
V- Sun Tracker FLC Design
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Initial Position=30 Ref= 0Initial Position=30 Ref= 0
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S.T. FL Controller design
V- Sun Tracker FLC Design
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Initial Position=10 Ref= -60Initial Position=10 Ref= -60
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S.T. FL Controller design
V- Sun Tracker FLC Design
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Initial Position=-10 Ref= 20Initial Position=-10 Ref= 20
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S.T. Controller design
V- Sun Tracker FLC Design
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Photo Sensor design :
V- Sun Tracker FLC Design
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Photo Sensor Connection:
5.1- Sun Tracker FLC Design
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ADC
V- Sun Tracker FLC Design
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ADC
V- Sun Tracker FLC Design
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PIC 16F877A Microcontroller
For an 8-bit ADC, the final value will be (28 − 1), or 11111111B, or 255D
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Stepper motor driver
V- Sun Tracker FLC Design
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Stepper motor & driver
V- Sun Tracker FLC Design
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Control SignalsSpeedEnable
Direction
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Stepper motor driver
V- Sun Tracker FLC Design
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V- Sun Tracker FLC DesignStepper Motor Control Signals
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Photo Sensor
Position Sensor
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Sun Tracker on FPGA:
V- Sun Tracker FLC Design
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Sun Tracker on FPGA:
V- Sun Tracker FLC Design
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Sun Tracker on FPGA:
V- Sun Tracker FLC Design
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Sun Tracker on FPGA:
V- Sun Tracker FLC Design
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Mechanical construction and components: :
V- Sun Tracker FLC Design
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Video:
V- Sun Tracker FLC Design
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Power Characteristics :
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VI- MPPT FLC Design
+
_
Ip Rsh
Rs
v
i
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Power Characteristics :
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VI- MPPT FLC Design
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Power Characteristics :
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VI- MPPT FLC Design
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MPPT:
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VI- MPPT FLC Design
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Power Characteristics :
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VI- MPPT FLC Design
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MPPT:
VI- MPPT FLC Design
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MPPT:
VI- MPPT FLC Design
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GUI : KC200GT solar array datasheet
VI- MPPT FLC Design
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MPPT. FL Controller design
VI- MPPT FLC Design
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MPPT. FL Controller design
VI- MPPT FLC Design
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GUI : KC200GT solar array datasheet
VI- MPPT FLC Design
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MPPT. FL Controller design
VI- MPPT FLC Design
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Comparison between FLC and perturbation and observation controller
VI- MPPT FLC Design
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-when dp/dv > 0 , the voltage is increased, this is done through D(k ) = D(k − 1) + C.
-when dp/dv < 0, the voltage is decreased through D(k ) = D(k − 1) − C .
Algorithm (M.Villalva, J.Gazoli, and E. Ruppert) 2009:
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Comparison between FLC and perturbation and observation controller
VI- MPPT FLC Design
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Comparison between FLC and perturbation and observation controller
VI- MPPT FLC Design
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)P & O(
FLC
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Practical Implementation
VI- Fuzzy Controllers Design
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Generating VHDL FLC Code : Using Xfuzzy Program
VI- Fuzzy Controllers Design
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Practical Implementation
VI- Fuzzy Controllers Design
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Generating VHDL PWM Code :
VI- Fuzzy Controllers Design
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Generating VHDL PWM Code :
VI- Fuzzy Controllers Design
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Practical Implementation
VI- Fuzzy Controllers Design
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MPPT_FLC Test
VI- MPPT FLC Design
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Practical DC_DC Converter
VI- MPPT FLC Design
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Practical DC_DC Converter
VI- MPPT FLC Design
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Practicar DC_DC Converter Test
VI- MPPT FLC Design
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Practicar DC_DC Converter and FLC
VI- MPPT FLC Design
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VI- Fuzzy Controllers DesignFLC on FPGA
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Cont Sig
CLK Genrator
ST_FLC
MPPTDiff
MPPTFLC
STDiff
PWM
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Experimental Results:
V- Sun Tracker FLC Design
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Experimental Results:
V- Sun Tracker FLC Design
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Efficiency ≈ 33%
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6- Conclusion And Future Research
Conclusion
Two different controllers (MPPT_FLC, and ST_FLC) have been constructed in FPGA card, which used to increase the power of the PV panel.
These controllers have been tested using Matlab/Simulink . From the experimental results the proposed ST increase the efficiency
by ≈ 33%. The response of the MPPT using FLC is better than the response of
the MPPT using conventional controller applied on the same system in the previous study in 2009.
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Thank you For listening
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