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A Development of the System to Prevent Unintended Sudden Acceleration by Controlling the Transmission of a Vehicle

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5 Author(s)

In this paper, we proposed the method to prevent sudden acceleration occurred in a vehicle when drivers put into gear. By controlling the oil pressure of the transmission, the engine can be safely controlled and the power is not transmitted into wheels on the condition of the sudden start. The TCU (transmission control unit) can control the oil pressure with several solenoid valves to shift gears. The control of hydraulic pressure gives several advantages. It puts out gear and keeps an engine at idle when unintended sudden acceleration is occurred. If the engine is turned off on driving by the sudden start, the brake system is stopped and a driver runs into danger. The sudden start is generally occurred within a short time. If the transmission is controlled at that time, the driver and the car are safe. This paper proves that the system of preventing the sudden start is one of the safest systems and is easily applicable to a vehicle. The main algorithm of the developed system is small enough to be embedded into the ECU (electric control unit) of a vehicle.

Published in:

Strategic Technology, The 1st International Forum on

Date of Conference:

18-20 Oct. 2006