In this project, we considered two problems at the cross:
1) The car drivers’ view of the traffic light may be blocked by big trunks ahead of them.
2) During rush hours, when encounter a red light, there’s no room for normal cars to yield a life way to an ambulance or other special cars.
So we build a remote sensing and controlling system based on Zigbee wireless technology, which allows vehicles to monitor and change the status of the traffic light.
The prototype is showed as follow:
At above is a model of a four-direct traffic light with count-down.
The blue box at bottom is the on-vehicle system.
On-vehicle part with touch screen
It shows the real-time status of the traffic light ahead of you, using Zigbee technology.
Cars like Ambulance or Police cars are given the right to alter the status of the traffic light when emergency happens.
Virtual-Reality(VR) part, developed on Unity3D.
We make the virtual scene interact and work synchronized with the model aforementioned, using zigbee as well. With this we can test the performance of our system without going to the real road. This system can also be used to train drivers.
The whole system.
The picture is took at Jiangsu Province College Students Physics Competition.
Award of the Project
First Prize in Jiangsu Province College Students Physics Competition, Nov. 2012
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