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Radio Controlled Voice
Activated CarAndrew Cox – Team LeaderNima Rashidi – Webmaster
Cameron MarchantWarren DanielsJarrad Weiss
Georgia Institute of TechnologySchool of Electrical and Computer Engineering
December 8, 2008
Project Overview
Radio controlled car that responds to voice commands and sensory inputs.
Designed for entertainment. Designed for use by hobbyists and people with
limited use of their arms. Total projected cost $36,764.90.
Completed Technical Objectives Voice controlled. Responds to ultrasonic sensors. Manual override control. Wireless remote control. Will work independent of a laptop or PC.
RCVAC Operational Diagram
Voice Recognition Circuit & Remote Control
Combining Voice Commands
Voice Commands
Display Board Inputs Numerical
Display OutputsA B C D E F G H
GO 1 0 0 0 0 0 0 0 01
FR 1 1 0 0 0 0 0 0 03
FL 1 0 0 1 0 0 0 0 09
B 0 0 0 0 1 0 0 0 10
BR 0 1 0 0 1 0 0 0 12
BL 0 0 0 1 1 0 0 0 18
S 0 0 1 0 0 0 0 0 04
Car Diagram
Design Compromises
Limited Range of Car. Finding consistency with voice recognition
circuit. Limited Range of Ultrasonic sensor.
Recommended Additional Work Find different sensory system with better
range. Add a more accurate voice recognition circuit. Increase the range of the RC car. Eliminate the delay time for switching
between manual and voice. Add active braking system.
Active Braking System
Milestone Completion Dates Sensors completed. 12/05/2008 RC car completed. 10/05/2008 Programming Completed. 11/09/2008 Voice controls working with
RC car. 11/25/2008 Final test complete. 12/07/2008
Cost Analysis
Labor cost $21,084.00 Overhead cost $15,358.07 Parts cost $ 322.83
Total projected cost $36,764.90
Demonstration Plan
Demonstration will be performed on Georgia Tech Savannah Campus.
One team member will operate the car. The car will follow voice commands. The car will stop when it slowly approaches
objects. The team member will not be able to use a
PC or laptop for assistance. The car will operate within 35 ft of the user.