ece 477 design review team 01 fall 2013 paste a photo of team members here, annotated with names of...
TRANSCRIPT
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ECE 477 Design Review Team 01 Fall 2013
Paste a photo of team members here, annotated with names of team members.
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Outline• Project overview • Project-specific success criteria• Block diagram• Component selection rationale• Packaging design• Schematic and theory of operation• PCB layout• Software design/development status• Project completion timeline• Questions / discussion
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Project Overview
• Android controlled quadcopter• Bluetooth connection (~300 foot range)• GPS, compass, ultrasonic, battery monitor• Brushless DC motors with speed controllers• PWM input flight controller board for stabilization• Waypoint navigation & auto take-off/land
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Project-Specific Success Criteria
• An ability to determine the position of the quadcopter using GPS
• An ability to control the copter using an Android device over a Bluetooth interface
• An ability to automatically take-off and land• An ability to fly-by-waypoint using GPS coordinates• An ability to monitor the state of battery charge and
relay back to user
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• Microcontroller– 5 PWM, 1 SPI, 3 UART, 4 A/D– Spare ports– Speed and flash not a constraint
• Peripherals– 3.3 volts– Physical size– Bluetooth – range (~300ft)– GPS – accurate, interference– Magnetometer – motor interference
Component Selection Rationale
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Component Selection Rationale
• Microcontroller (PIC24FJ256GB110)– 3 SPI, 3 I2C, 4 UART, 9 PWM, 16 A\D– 16 Bit– 85 I/O pins, 100 pins total– 8 MHz Internal Oscillator– Good documentation and support
• All peripherals on 3.3 volts• All peripherals on breakout boards that are small enough
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Switching Voltage Regulator
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Vref Voltage Regulator
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Voltage Divider
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Line Level Translator
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Programming Header
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Software Design/Development Status
• Development with PIC24FJ128– No Peripheral Pin Select (PPS)– Ordered PIC24FJ256 with PPS Plug-In
Module (Thank you Joe!)• UART practice (RFID)• Heartbeat, Reset, Bluetooth, Proximity• Android app developed• Software flowchart (very modular)
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Flight Testing / Debugging
PCB Testing
PCB Soldering
Magnetometer
Ultrasonic
GPS
Bluetooth
Check for Interference
Flight Controller PWM Signals
Test Flight with Transmitter
Schematic/PCB Layout
Part Orders
13-Sep 23-Sep 3-Oct 13-Oct 23-Oct 2-Nov 12-Nov 22-Nov 2-Dec 12-Dec
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Thank You!
Questions / Discussion