Wireless Accident Detection and Indicator System

Wireless Accident Detection and Indicator System

March 15 2012 Nelson Magdaleno CmpE Adedamola Aluko EE Joseph Kennedy EE Austin Studebaker EE Ese Urhuogo EE

Product Summary Accident Detection Additional Turn Signals Affordable and Competitive Improve Safety and Saves Lives Motorcycle Enthusiasts, Everyday Riders

Technical Objectives and Design Goals Arduino MCU Arduino UNO will be the main component Each on-arm unit contains Arduino Pro Devices will use XBee wireless units Speed detection, position coordinates and text alerts accessed from GPS and SMS Modules Accelerometer on the on-arm unit will detect changes in Gs and determine if an accident occurred. LEDs used in the on-arm unit will provide additional lighting.

Left Turn Signal Right Turn Signal Arduino MCU XBee Mod XBee Shield Arduino MCU XBee Mod Power Management Arduino MCU Turn Signal Relay Motorcycle Battery GPS Module SMS Module Turn Signal Switch

Wireless Activation of On-Arm Units Initial Signal (Motorcycle Blinking system) XBee Module Arduino Pro (Mini) Power Supply Accelerometer Arduino UNO XBee Shield XBee Module

Indicator System: Algorithm Flow Chart Start (Turn Signal) Turn on/off Left LEDs Signal to Arduino Uno Turn on/off Right LEDs Signal to Left XBee Unit Signal to On-Board Xbee Signal to Right XBee Unit No Right Turn Signal? Yes

Main Component of System Arduino UNO XBee Shield XBee Module

Wireless Accident Detection and Indicator System On Arm Unit Arduino XBee Module Pro (Mini) Power Supply Accelerometer

Accident Detection System: Algorithm Flow Chart Start (Accelerometer) Measure Rider s Acceleration in XYZ directions SMS Message Sent GPS Coordinates Sent No Compare to User- Specified Bandwidth Yes Bandwidth Exceeded?

Accelerometer Layout Ø X, Y, and Z axes sense directions are orthogonal Ø Voltage is proportional to acceleration at output pins Ø Adding capacitors at the output pins sets acceleration BW

SMS Notification Process Rider separated from unit SMS notification sent to EMS Wireless Connection Arduino UNO Accelerometer determines G-force Wireless Connection XBee Shield XBee Module Wired Connection

GPS Notification Process Rider location is tracked via GPS SMS notification sent to EMS Wireless Connection Arduino UNO Wired Connection GPS coordinates sent to Cellular Shield via Arduino XBee Shield XBee Module Wired Connection

Power Management Mini Arduino Wired Connection 12 Volt motorcycle Battery 9 Volt Battery Wired Connection Wired Connection step down converter DC Wired Connection LED Armpad Arduino Microcontroller

System Microcontroller Ø Input voltage: 7-12V Ø 14 Digital I/O Pins (6 PWM outputs) Ø 6 Analog Inputs Ø 32k Flash Memory Ø 16Mhz Clock Speed

GPS Module Ø LED status indicator Ø Battery backed RAM Ø A built-in patch antenna Ø 6-pin interface cable included

SMS Module Ø A 60-pin SM5100B connector Ø A SIM card socket Ø A SPX29302 voltage regulator configured to regulate the Arduino's raw voltage to 3.8V

Triple Axis Accelerometer Module Ø Measures g-force on the X,Y, and Z axes Ø Power consumption of 320uA Ø Full Sensing Range of +/-3g

Approved Vs. Unapproved Methods Ø Accident Detection System Accelerometer (Approved) a) Complex in coding and integration b) Inexpensive $24.95 RFID Technology (Unapproved) a) Expensive $250.00 (RFID Reader) Ø Wireless Indicator System XBee Module (Approved) a) Effective (100m indoor range) b) Mounted connection with no pairing required Bluetooth Technology (Unapproved) a) Universal and effective (100m indoor range) b) Required pairing and compatibility issues

Project Schedule March 22 rd Prototype Assembly and Phase I testing April 3 rd Phase II testing April 10 th Product Fabrication April 28 th Final Project Summary May 4 th Web Site Final Project Presentation and Demo Final Project Report April 23 rd Final Assessment

Project Schedule TASKS Research & Ordering Parts Testing of hardware Device simulation via PSpice Assemble prototype Device Testing Project demonstration CURRENT STATUS ü ü ü û û û

Budget and Cost Analysis Part Price ($) # Total ($) Arduino UNO 30 1 30 Arduino Pros 30 2 60 XBee Wireless Transceivers 26 3 78 LED Matrix 30 2 30 Accelerometer 25 1 25 GPS Module 60 1 60 SMS Module 90 1 90 Total 373

Cost Analysis 16% 24% 7% 8% 8% 16% 21% Parts Arduino UNO Arduino Pros Xbee Wireless Transceivers LED Matrix Accelerometer GPS Module SMS Module

Review of Design Ø Power Regulation for components Power is adjusted to deliver the correct input voltage for each component. Ø Wireless implementation of LED System Xbee wireless transmitter that uses the Zigbee protocol Permits a wireless range of 90 meters Ø Distance determination between Motorist and Unit This issue is resolved through the use of a 3-axis Accelerometer.

Future work 3,615 motorcyclist deaths in 2010 Product will help lower these death rates Faster emergency response Lighting signals to prevent accident

Future Research Illegal speed detection Smart phone communication Military parachute GPS tracking Professional bicyclists Off-road motorcross racks Four Wheelers and ATVs

Questions