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Wireless Tracking System Midcourse Design Review Team Members Ying W. Moy Mohammed A. Dastigir Hassan Malik Advisors Prof. Moritz Prof. Krishna Prof. Koren
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12 December 2003ECE Senior Design Project2 Outline ► Introduction ► System Background ► Project Specifications ► Design Process ► Challenges & Solutions ► Progress Demo ► Future Outlook
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12 December 2003ECE Senior Design Project3 Introduction ► Question: How can we establish an intelligent intrusion detection system that can monitor the movement of an object? ► Project Applications: Intrusion Detection ► Building Security Surveillance ► Environment Monitoring Theft Deterrence ► For home, business, etc.
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12 December 2003ECE Senior Design Project4 Introduction (…cont’d) ► Current Technology Standard Motion Detectors ► simply detect motion ► no tracking Infrared Heat Sensors ► affected by heat ► expensive Global Positioning System ► not for practical application ► too expensive
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12 December 2003ECE Senior Design Project5 Introduction (…cont’d) ► System Characteristics Wireless Small Expandable Reliable Durable Cost Effective MICA Wireless Sensor Network
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12 December 2003ECE Senior Design Project6 System Background ► What is a Mote? Wireless communication device Useful in many applications “Smart Dust” ► How to interact with Mote ► Wireless Motes equipped with MICA sensor board
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12 December 2003ECE Senior Design Project7 MICA Sensorboard Isolate Magnetometer
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12 December 2003ECE Senior Design Project8 Mote Specifications Processor/Radio Board MICA Mote (MPR300CB) Speed 4 MHz Flash 128 Kbytes SRAM 4K bytes EEPROM Serial Communication UART A/D 10 bit ADC Serial Flash 4 Mbit Radio Range 100 feet (more like 3.5) Radio Frequency 916 MHz Data Rate 40 Kbits/sec Power 0.75 mW
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12 December 2003ECE Senior Design Project9 Project Specifications ► Configure Mote system to acquire magnetic field readings ► Transfer data from wireless sensor to base station ► Process data and create “tracking” application
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12 December 2003ECE Senior Design Project10 Environment Mote magnet Data GUI Software Visual Representatio n Process Data TinyOS Application System Overview Diagram
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12 December 2003ECE Senior Design Project11 Mote Configuration Magnetic Sensors Decode RF Module Magnet Base Station Block Diagram of Mote Process Mote Features: Honeywell HMC1002 Magnetic Field Range 30 Micro Gauss Programmed using TinyOS (NesC) to take in magnetic readings at time intervals Base Station: Take data from motes and hold data
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12 December 2003ECE Senior Design Project12 GUI Application ► Serial forwarder retrieves data from serial port ► Socket Connection established between serial forwarder and Tracking Application ► Process data readings and visually track magnet motion
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12 December 2003ECE Senior Design Project13 Challenges & Solutions ► Programming control of magnetometer sensor ► Wireless data packet transfer: Mote Base Station ► Socket Communication between processes ► Interpreting data Solution in progress
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12 December 2003ECE Senior Design Project14 Current Status ► Mote configured to detect magnetic field and transmit data to Base Station via RF Module ► Connection established between Tracking Application and Base Station Process ► Tracking magnet in 1 dimension Demo Demo
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12 December 2003ECE Senior Design Project15 Future Outlook ► Integrating and Controlling Multiple motes Ad-hoc Network ► Modifications to Tracking Software More accurate representation of magnet path 2 dimensional tracking Revision of current features ► Investigate/consider other sensors
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