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Multi Functional Steering Vehicle

Author : B.S.S.Phani Sankar, G.Siva Prasad and P.V.V.Manikanta

Pages : 883-886
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Production cars are designed to under steer and rarely do them over steer. If a car could automatically compensate for an under steer/over steer problem, the driver would enjoy nearly neutral steering under varying operating conditions. Four-wheel steering is a serious effort on the part of automotive design engineers to provide near-neutral steering. Also in situations like low speed cornering, vehicle parking and driving in city conditions with heavy traffic in tight spaces, driving would be very difficult due to vehicle’s larger wheelbase and track width. Hence there is a requirement of a mechanism which result in less turning radius and it can be achieved by implementing four wheel steering mechanism instead of regular two wheel steering. In standard 2 Wheel Steering System, the rear set of wheels are always directed forward and do not play an active role in controlling the steering. While in 4 Wheel Steering System, the rear wheels do play an active role for steering, which can be guided at high as well as low speeds
We have developed an innovative 4 wheel steering design to implement a mechanism that can serve the purpose of changing in-phase and counter-phase steering of rear wheels depending upon the conditions of turning and lane changing with respect to front wheels, thus enhancing the maneuverability of a sedan in accordance with its speed. We can use this car with two wheel steering system also. And another major advantage we provided is Ring Motion to the car, it will helps to when our car is in motion, a sudden obstacle obtain we don’t take the turning we just change the gear to ring motion and the total body of the car is reversed. Finally the four functions are arranged in a single car so we called it as a Multifunctional Four Wheel Steering System

Keywords: 2W Steering, 4W Steering, In-Phase, Ring Motion


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