Four Wheel Steering System with Movable Head Lights by Using Rack and Pinion Mechanism

Abstract

Now a days, many researchers put their efforts on fo ur Wheel steering mechanism, implementation of this mechanism is needed in situations like low speed cor nering, vehicle parking and driving at heavy traffi c, tight spaces, where driving would be very difficult due to vehicle’ s larger wheelbase and track width. For avoiding this problem, we need a mechanism with less turning radius by implem nting four wheel steering mechanism instead of two heel steering mechanism. In a regular standard two wheel steering s ystem, rear wheels are directed forward and do not pl ay role in controlling the steering. In case of four wheel stee ring system, rear wheels play an active role for ste ering for guiding at any speed. If the vehicle have larger wheel base and track width in some cars, the driving would be very difficult in different situations like cornering at low speeds, p arking the vehicle and city driving conditions with eavy traffic in very tight places. So, we require a mechanism, which is ha ving less turning radius. This work also includes th e hardware of movable headlight system for motor vehicles. For all the vehicles, head light control system is needed, which help the head light to rotate right and left independently, and keep the beam as parallel to the curved road to pr vide better visibility to the driver at night time. In the presnt work, we use rack and pinion mechanism to drive t h optical axes, on which head lights are mounted. This result that, when tie rod arms are moving with steering arm, then it gives a predefined motion to the wheels along with head light s. In this work, for driving the optical axis, we us e rack and pinion arrangement, when steering arm, tie rod arm is move d that give motion to the wheels as well as head ligh ts.