Energy Tracking & Storage for an Autonomous SystemTop Level OverviewWork DivisionSlide 4Slide 5Slide 6FPGA/PCB InterfacePower Save Mode HardwareSlide 9User Input and LCDParts ListPower SystemSpace Age Solar Panels Highest Power to Size RatioCharge ControllerDeep Cycle BatterySwitching RegulatorsSlide 17LED Light Sensors8:1 MultiplexerPart ListPrinted Circuit BoardMotor Control System OverviewMotor Control SchematicSlide 24Slide 25QuestionsEnergy Tracking & Energy Tracking & Storage for an Storage for an Autonomous System Autonomous System OASISOASISMir Ziyad AliMir Ziyad AliLiron KopinskyLiron KopinskyChristopher WallaceChristopher WallaceSarah WhildinSarah WhildinJoseph YadgarJoseph YadgarTop Level OverviewTop Level OverviewWork DivisionWork DivisionMir Ziyad AliMir Ziyad AliPowerPowerSarah WhildinSarah WhildinMovementMovementJoseph YadgarJoseph YadgarLight Detection Light Detection System IntegrationSystem IntegrationChris WallaceChris WallaceHardware Design Hardware Design Implement SoftwareImplement SoftwareLiron KopinskyLiron KopinskySoftware DesignSoftware DesignImplement SoftwareImplement SoftwareLiron KopinskyLiron KopinskyLiron KopinskyChris WallaceFPGA/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 packageChris WallacePower Save Mode HardwarePower Save Mode HardwarePIC16F688-Program Memory: 7168 bytes-RAM: 256 bytesChris Wallace -Data EEPROM 256 bytes-Timer(8-bit, 16bit), InterruptsChris WallaceUser 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 WallaceParts 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 MOSFETChris WallacePower SystemPower SystemMir Ziyad AliSpace 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, 18V) Three Panels connected in parallel to produce 27 Watts (1.5A, 18V) for the entire system.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" Mir Ziyad AliCharge ControllerCharge ControllerMir Ziyad AliR3120C4100nFC64.7nFR1800kV20-18 VdcR22.8kD4D1N750C522uFR8796C2220uFTS C42734876521GNDIN BNCOUT AVddOUT BIN ANCC1220uFR433kV112 VdcC847nFC3100nFQ1IRF640Load100LF 356OPAMP+-OUTV112 VdcUC3525A14161311123678 954101215Output BVREFVcOutput AInv InputN.I. InputSyncRTDischargeSoft-Start CompensatorCTOsc OutputShutdownGND+VinC71uFL2333uH12D1MUR820L166uH1 2R610kC3440uFDeep 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 8.5AMaximum charge current is 8.5ADimension (inch)Dimension (inch)oLength ..........6.89Length ..........6.89oWidth ............6.54Width ............6.54oHeight............4.92Height............4.92Mir Ziyad AliSwitching 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°CMir Ziyad AliParts 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