cs 2310 final project driving behavior monitor
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CS 2310 Final Project - Driving Behavior Monitor. Haifeng Xu Dec. 5, 2013. Project description. To design and implement an application that monitors users’ driving behaviors in real time, using on-device sensors

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project description
Project description
  • To design and implement an application that monitors users’ driving behaviors in real time, using on-device sensors
    • GPS data is used to calculate the driving speed and road conditions (highway or local) if possible
    • Gyroscope and accelerometer combined are used to detect moving trajectories such as making turns, changing lanes, etc.
  • Two components
    • Driving data collector runs on Android
    • Algorithm for evaluating driving behavior runs in SIS
evaluation algorithm
Evaluation algorithm
  • Composite values are used
    • acc= sqrt(accX*accX+ accY*accY + accZ*accZ)
    • rot = sqrt(rotX*rotX+ rotY*rotY + rotZ*rotZ)
  • Four unsafe patterns and empirical thresholds
    • Hard acceleration/deceleration (Acc)
    • High speed turn (Acc * Rot, & V)
    • Swing between lanes (Rot * V)
    • Cellphone use (Rot & V)
  • 5s evaluation window
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