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Energy Tracking & Storage for an Autonomous System OASIS OASIS Mir Ziyad Ali Liron Kopinsky...
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Transcript of Energy Tracking & Storage for an Autonomous System OASIS OASIS Mir Ziyad Ali Liron Kopinsky...
Energy Tracking & Energy Tracking & Storage for an Storage for an
Autonomous System Autonomous System
OASISOASISMir Ziyad AliMir Ziyad Ali
Liron KopinskyLiron Kopinsky
Christopher WallaceChristopher Wallace
Sarah WhildinSarah Whildin
Joseph YadgarJoseph Yadgar
Top Level OverviewTop Level Overview
Work DivisionWork Division
Mir Ziyad AliMir Ziyad Ali PowerPower Sarah WhildinSarah Whildin MovementMovement Joseph YadgarJoseph Yadgar Light Detection Light Detection
System IntegrationSystem Integration Chris WallaceChris Wallace Hardware Design Hardware Design
Implement SoftwareImplement Software Liron KopinskyLiron Kopinsky Software DesignSoftware Design
Implement SoftwareImplement Software
Liron Kopinsky
Liron Kopinsky
Liron Kopinsky
Chris Wallace
FPGA/PCB InterfaceFPGA/PCB Interface
Ribbon Cables to Headers on the PCBRibbon Cables to Headers on the PCB Configurable CMOS-CMOS Level Configurable CMOS-CMOS Level
Shifters.Shifters. VCC determines input levelVCC determines input level VDD voltage determines output levelVDD voltage determines output level 6 Shifters per package6 Shifters per package
Chris Wallace
Power Save Mode HardwarePower Save Mode HardwarePIC16F688-Program Memory: 7168 bytes-RAM: 256 bytes
Chris Wallace
-Data EEPROM 256 bytes-Timer(8-bit, 16bit), Interrupts
Chris Wallace
User Input and LCDUser Input and LCD
Push buttons on Spartan board to Push buttons on Spartan board to toggle information on LCD.toggle information on LCD.
Optrex 16x4 parallel display.Optrex 16x4 parallel display. Uses HD44780 controller chipUses HD44780 controller chip Will use GPIOs for writing to LCD.Will use GPIOs for writing to LCD.
Chris Wallace
Parts ListParts List
7 - MC14504B CMOS-CMOS level 7 - MC14504B CMOS-CMOS level shiftersshifters
1 – Optrex 16x4 LCD1 – Optrex 16x4 LCD 1 – Spartan 3 Starter Board1 – Spartan 3 Starter Board 3 – 40 Pin Headers3 – 40 Pin Headers 1 – PIC16F6881 – PIC16F688 1 – IRF640 HEXFET Power MOSFET1 – IRF640 HEXFET Power MOSFET
Chris Wallace
Power SystemPower System
Three Solar PanelsConnected in series to produce
27 Watts (18V x 1.5A)
Ste
p d
ow
n
Sig
na
lA/D Conversion for sending signal to FPGA to know how much output Current coming
from the PV Cells
Charge Controller for the Solar Panel. It’s
using PWM charging principle to optimize
battery charging.
Optimized Output
12V
27
Ah
De
ep
Cyc
le
Lea
d A
cid
Ba
ttery
PV Cell Output Battery Output
Step-Down DC-DC Switching Regulator to
produce 1.5 A, 5V for the FPGA
To FPGA
A/D Conversion for sending signal to FPGA to know how
much charge left into the battery
Ste
p d
ow
n
Sig
na
lT
o M
oto
r D
rive
rMir Ziyad Ali
Space Age Solar PanelsSpace Age Solar PanelsHighest Power to Size RatioHighest Power to Size Ratio
SPE – 500SPE – 500 Dual Output Panels for 6 & 12 Volt Charging Systems. Dual Output Panels for 6 & 12 Volt Charging Systems. Single-crystal silicon super cells used in space satellite Single-crystal silicon super cells used in space satellite
applications. Lightweight and durable design-panels are applications. Lightweight and durable design-panels are encapsulated, temperature and weather resistant.encapsulated, temperature and weather resistant.
Three Panels connected in parallel to produce 27 Watts (1.5A, Three Panels connected in parallel to produce 27 Watts (1.5A, 18V) for the entire system.18V) for the entire system.
Total weight is about 57 oz (3.52 lbs)Total weight is about 57 oz (3.52 lbs) Size W" x L" : 12.25" x 26.25"Size W" x L" : 12.25" x 26.25"
+ - + - + -Charge
Controller
Mir Ziyad Ali
Charge ControllerCharge Controller
Mir Ziyad Ali
R3
120
C4
100nFC6
4.7nF
R1
800k
V20-18 Vdc
R2
2.8k
D4
D1N750
C5
22uF
R8
796
C2
220uF
TSC427
34
87
65
21
GNDIN B
NCOUT A
VddOUT B
IN ANC
C1
220uF
R4
33k
V112 Vdc
C8
47nF
C3
100nF
Q1IRF640
Load
100
LF 356
OPAMP
+
-
OUT
V112 Vdc
UC3525A
14
16
13
11
123
6
78 9
54
10
12
15
Output B
VREF
Vc
Output A
Inv InputN.I. InputSync
RT
DischargeSoft-Start Compensator
CTOsc Output
Shutdown
GND
+Vin
C7
1uF
L2
333uH
1
2
D1
MUR820
L1
66uH
1 2
R6
10k
C3
440uF
Deep Cycle BatteryDeep Cycle Battery BP28-12 Maintenance - Free BP28-12 Maintenance - Free
Rechargeable Sealed Lead-Acid Rechargeable Sealed Lead-Acid 6 cell (in series) Battery.6 cell (in series) Battery.
28 Ah 12V Storage capacity, 28 Ah 12V Storage capacity, which will supply power to our which will supply power to our system for 6 hrs before system for 6 hrs before recharging it for 18 hours with recharging it for 18 hours with 1.5A charging current. 1.5A charging current.
20 hour rate F.V.(1.75V/cell) 20 hour rate F.V.(1.75V/cell) (1400 mA to 11.50 volts)(1400 mA to 11.50 volts)
Approximate Weight 9600g Approximate Weight 9600g (21.17lbs)(21.17lbs)
Maximum charge current is Maximum charge current is 8.5A8.5A
Dimension (inch)Dimension (inch)o Length ..........6.89Length ..........6.89o Width ............6.54Width ............6.54o Height............4.92Height............4.92
Mir Ziyad Ali
Switching RegulatorsSwitching Regulators
For all step-down DC-DC voltages, I’ll be using state-of-the-For all step-down DC-DC voltages, I’ll be using state-of-the-art TI’s PTN78000W: a series of high-efficiency, step-down art TI’s PTN78000W: a series of high-efficiency, step-down Integrated Switching Regulator (ISR). This ISR will help me Integrated Switching Regulator (ISR). This ISR will help me to reduce system power loss significantly contrary to linear to reduce system power loss significantly contrary to linear voltage regulator that has considerable loss. It features voltage regulator that has considerable loss. It features
1.5-A Output Current1.5-A Output Current Wide-Input Voltage (7 V to 36 V)Wide-Input Voltage (7 V to 36 V) Wide-Output Voltage Adjust (2.5 V to 12.6 V)Wide-Output Voltage Adjust (2.5 V to 12.6 V) High Efficiency (Up to 95%)High Efficiency (Up to 95%) On/Off InhibitOn/Off Inhibit Output Current LimitOutput Current Limit Overtemperature ShutdownOvertemperature Shutdown Operating Temp: –40°C to 85°COperating Temp: –40°C to 85°C
Mir Ziyad Ali
Parts ListParts List MUR 820MUR 820 200V 8A TO-220AC Ultrafast POWER Diode 200V 8A TO-220AC Ultrafast POWER Diode IRF640IRF640 HEXFET Power MOSFET 200V 18A HEXFET Power MOSFET 200V 18A UC3525AUC3525A PWM Chip 100kHz Pulse PWM Chip 100kHz Pulse TSC427TSC427 MOSFET Gate Driver MOSFET Gate Driver LF356LF356 Operational Amplifiers Operational Amplifiers 220 220 μμF [4], 10 F [4], 10 μμF[4], 1 F[4], 1 μμF [2], 1 nF [4] CapacitorsF [2], 1 nF [4] Capacitors Transformers [2] (Inductance is determined)Transformers [2] (Inductance is determined) 1N4730 Diode1N4730 Diode 1k – 800 k1k – 800 kΩΩ range Resistors. range Resistors. SPE-500 18V, 500mA Solar Panel [3]SPE-500 18V, 500mA Solar Panel [3] BP28-12 Lead Acid BatteryBP28-12 Lead Acid Battery PTN78000W [2] and PT78ST105 [2] Switching RegulatorsPTN78000W [2] and PT78ST105 [2] Switching Regulators
Mir Ziyad Ali
LED Light SensorsLED Light Sensors
Joseph Yadgar
8:1 Multiplexer8:1 Multiplexer
Joseph Yadgar
Part ListPart List
Green LEDs (10)Green LEDs (10) ADC0804 Analog to Digital Converter ADC0804 Analog to Digital Converter
Chips (10)Chips (10) LF356N Op Amp Chips (10)LF356N Op Amp Chips (10) MAX308 8-Channel Analog Multiplexers (8)MAX308 8-Channel Analog Multiplexers (8)
Joseph Yadgar
Printed Circuit BoardPrinted Circuit Board
Four layer boardFour layer board Everything will be on the PCB except Everything will be on the PCB except
for the power system.for the power system. We will be mounting the devices We will be mounting the devices
using both surface mounts and DIPs.using both surface mounts and DIPs. We plan to have our first PCB layout We plan to have our first PCB layout
done in the next week.done in the next week.
Joseph Yadgar
Motor Control SystemMotor Control SystemOverviewOverview
Logic signals sent from Logic signals sent from microprocessor to motor control microprocessor to motor control system. system.
Motors operate in forward or reverse. Motors operate in forward or reverse. Shaft encoders detect position Shaft encoders detect position
information.information.
ΔV
Sarah Whildin
Motor Control SchematicMotor Control Schematic
VCC
In1
CE1
IN2
M
B?
Motor Step
100pF
C?
Cap
U?
Optoisolator1
U?
Optoisolator1
U?
Optoisolator1
12345678 9
10111213141516
KA3100D
Vcc
PGNDSGNDIN1OUT2VS1OUT1CE1
PGNDCE2OUT3VS2OUT4IN2NCNC
*
Component_3
*B
Component_4
ENC OUT
Sarah Whildin
Part ListPart List 2 Stepper Motors with shaft encoders – 2 Stepper Motors with shaft encoders –
Model AM23-150-2-ENC from Advanced Model AM23-150-2-ENC from Advanced Micro Systems, INC.Micro Systems, INC.
2 Motor Drivers – KA3100D from Fairchild 2 Motor Drivers – KA3100D from Fairchild SemiconductorSemiconductor
6 Optoisolators – Model 6N1386 Optoisolators – Model 6N138 2 quadrature decoders – Model HCTL – 2 quadrature decoders – Model HCTL –
2032 from Agilent. 2032 from Agilent. Various Capacitors and ResistorsVarious Capacitors and Resistors
Sarah Whildin
QuestionsQuestions
OASISOASISMir Ziyad AliMir Ziyad Ali
Liron KopinskyLiron Kopinsky
Christopher WallaceChristopher Wallace
Sarah WhildinSarah Whildin
Joseph YadgarJoseph Yadgar