ECE 291 Fall 2003

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Emergency Driver Override System

• ECE 291 Fall 2003
• Friday December 5, 2003

Team Crash Andrew Bixby Douglas Hughes Thomas
Reinwald
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Overview

• Summary
• Solutions
• Timeline
• Budget
• Conclusion

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Summary
Human Error
Technological Solution
Modern digital control, sensors, and computers
not subject to human stresses and/or
limitations
Combining Resources
Accidents can be reduced with the introduction of
technological safety measures in the automobile
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Current Systems
Lexus Dynamic Laser Cruise Control
Mercedes Intelligent Cruise Control
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Our Solution
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Sensors
Sharp IR Ranger
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Sensors
Sharp IR Ranger
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Sensors
Polaroid Ultrasonic Sensor
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Sensors
Polaroid Ultrasonic Sensor
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Microcontroller
Speed
Power
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Microcontroller
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Microcontroller
TakeOver Register 8 bit Register while only 6
bits have meaning X, Back, Right, R Front,
Left, L Front, Sonar, X Action Subroutine
Check for Overload and Multiple Sensor
conditions Split single sensor problems into
Drive or Steering The final step is to take
the appropriate action by varying the two
duty cycles
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System Interface

• Changing select bits allows for switching between
  driver control and system control

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System Interface
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Car
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Timeline
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Budget
Our budget limit was 1000
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Conclusion

• Collision avoidance is widely sought after in
  todays automobile industry

• Microcontrollers are an affordable and
  reliable way to implement digital control
  systems

• Technological advancements can be utilized to
  reduce human error

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? Questions ?
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