1.
ABSTRACT:
The primary objective of this work is to design parking guidance system to reliably detect
entering/exiting vehicles to a parking garage in a cost-efficient manner.
Existing
solutions (inductive loops, RFID based systems, and video
image processors) at shopping malls, universities, airports etc., are expensive
due to high installation and maintenance costs. There s a need for a parking
guidance system that is reliable, accurate, and cost-effective. The proposed
parking guidance system is designed to optimize the use of parking spaces and
to reduce wait times. Based on a literature review we identify that the
ultrasonic sensor is suitable to detect an entering/exiting vehicle. Initial experiments
were performed to test the sensor using an Arduino based embedded system.
Detection logic was then developed to identify a car after analyzing the
initial test results. This logic was extended to trigger a camera to take an
image of the vehicle for validation purposes. This system consists of Arduino,
ultrasonic sensor, and a temperature
sensor. It was installed and tested in Richard Beard Garage at the University
of South Florida for five days. The test results of each trial are provided and
average error for all the trials is calculated. The error cases occur due to
golf carts, straddling cars on both entry/exit lanes, and people walking under
the sensor. The average error of the system is 5.36% over five days (120 hrs).
The estimated cost for one detector per lane is approximately $30.
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