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Energy Tracking & Storage for an Autonomous System . OASIS Mir Ziyad Ali Liron Kopinsky Christopher Wallace Sarah Whildin Joseph Yadgar. Top Level Overview. Work Division. Mir Ziyad Ali Power Sarah Whildin Movement Joseph Yadgar Light Detection System Integration

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energy tracking storage for an autonomous system

Energy Tracking & Storage for an Autonomous System

OASIS

Mir Ziyad Ali

Liron Kopinsky

Christopher Wallace

Sarah Whildin

Joseph Yadgar

work division
Work Division
  • Mir Ziyad Ali Power
  • Sarah Whildin Movement
  • Joseph Yadgar Light Detection System Integration
  • Chris Wallace Hardware Design Implement Software
  • Liron Kopinsky Software Design

Implement Software

Liron Kopinsky

fpga pcb interface
FPGA/PCB Interface
  • Ribbon Cables to Headers on the PCB
  • Configurable CMOS-CMOS Level Shifters.
  • VCC determines input level
  • VDD voltage determines output level
  • 6 Shifters per package

Chris Wallace

power save mode hardware
Power Save Mode Hardware

-Data EEPROM 256 bytes-Timer(8-bit, 16bit), Interrupts

PIC16F688-Program Memory: 7168 bytes-RAM: 256 bytes

Chris Wallace

user input and lcd
User Input and LCD
  • Push buttons on Spartan board to toggle information on LCD.
  • Optrex 16x4 parallel display.
  • Uses HD44780 controller chip
  • Will use GPIOs for writing to LCD.

Chris Wallace

parts list
Parts List
  • 7 - MC14504B CMOS-CMOS level shifters
  • 1 – Optrex 16x4 LCD
  • 1 – Spartan 3 Starter Board
  • 3 – 40 Pin Headers
  • 1 – PIC16F688
  • 1 – IRF640 HEXFET Power MOSFET

Chris Wallace

power system
Power System

Mir Ziyad Ali

space age solar panels highest power to size ratio
Space Age Solar PanelsHighest Power to Size Ratio
  • SPE – 500 Dual Output Panels for 6 & 12 Volt Charging Systems.
  • Single-crystal silicon super cells used in space satellite applications. Lightweight and durable design-panels are encapsulated, temperature and weather resistant.
  • Three Panels connected in parallel to produce 27 Watts (1.5A, 18V) for the entire system.
  • Total weight is about 57 oz (3.52 lbs)
  • Size W" x L" : 12.25" x 26.25"

Mir Ziyad Ali

charge controller
Charge Controller

Mir Ziyad Ali

deep cycle battery
Deep Cycle Battery
  • BP28-12 Maintenance - Free Rechargeable Sealed Lead-Acid 6 cell (in series) Battery.
  • 28 Ah 12V Storage capacity, which will supply power to our system for 6 hrs before recharging it for 18 hours with 1.5A charging current.
  • 20 hour rate F.V.(1.75V/cell) (1400 mA to 11.50 volts)
  • Approximate Weight 9600g (21.17lbs)
  • Maximum charge current is 8.5A
  • Dimension (inch)
  • Length ..........6.89
  • Width ............6.54
  • Height............4.92

Mir Ziyad Ali

switching regulators
Switching Regulators
  • 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 Integrated Switching Regulator (ISR). This ISR will help me to reduce system power loss significantly contrary to linear voltage regulator that has considerable loss. It features
  • 1.5-A Output Current
  • Wide-Input Voltage (7 V to 36 V)
  • Wide-Output Voltage Adjust (2.5 V to 12.6 V)
  • High Efficiency (Up to 95%)
  • On/Off Inhibit
  • Output Current Limit
  • Overtemperature Shutdown
  • Operating Temp: –40°C to 85°C

Mir Ziyad Ali

parts list17
Parts List
  • MUR 820 200V 8A TO-220AC Ultrafast POWER Diode
  • IRF640 HEXFET Power MOSFET 200V 18A
  • UC3525A PWM Chip 100kHz Pulse
  • TSC427 MOSFET Gate Driver
  • LF356 Operational Amplifiers
  • 220 μF [4], 10 μF[4], 1 μF [2], 1 nF [4] Capacitors
  • Transformers [2] (Inductance is determined)
  • 1N4730 Diode
  • 1k – 800 kΩ range Resistors.
  • SPE-500 18V, 500mA Solar Panel [3]
  • BP28-12 Lead Acid Battery
  • PTN78000W [2] and PT78ST105 [2] Switching Regulators

Mir Ziyad Ali

led light sensors
LED Light Sensors

Joseph Yadgar

8 1 multiplexer
8:1 Multiplexer

Joseph Yadgar

part list
Part List
  • Green LEDs (10)
  • ADC0804 Analog to Digital Converter Chips (10)
  • LF356N Op Amp Chips (10)
  • MAX308 8-Channel Analog Multiplexers (8)

Joseph Yadgar

printed circuit board
Printed Circuit Board
  • Four layer board
  • Everything will be on the PCB except for the power system.
  • We will be mounting the devices using both surface mounts and DIPs.
  • We plan to have our first PCB layout done in the next week.

Joseph Yadgar

motor control system overview
Motor Control SystemOverview
  • Logic signals sent from microprocessor to motor control system.
  • Motors operate in forward or reverse.
  • Shaft encoders detect position information.

ΔV

Sarah Whildin

part list24
Part List
  • 2 Stepper Motors with shaft encoders – Model AM23-150-2-ENC from Advanced Micro Systems, INC.
  • 2 Motor Drivers – KA3100D from Fairchild Semiconductor
  • 6 Optoisolators – Model 6N138
  • 2 quadrature decoders – Model HCTL – 2032 from Agilent.
  • Various Capacitors and Resistors

Sarah Whildin

questions
Questions

OASIS

Mir Ziyad Ali

Liron Kopinsky

Christopher Wallace

Sarah Whildin

Joseph Yadgar