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2030 future urban population increased significantly, In the face of the car and bike coexist,when the bicycle did not keep a safe distance with the car, when the owner opened the door to get off, the door is easy with the rider collided, So designed the car door warning system. When the car stopped, the door will automatically open early warning system of automobile, car bottom on both sides of the red warning lights will light up to the ground, using laser to both sides of the ground projection safety line and warning signs, and prompt the rider roadside car soon opens the door to maintain a safe distance.
Beijing university of technology institute of design art