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Power Steering Seminar Report

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1. Abstract: The purpose of power steering is to reduce the driver’s effort at the steering wheel. Steering wheel, that the spooked hand wheel at the top of the steering column of an automobile which actuates the steering gear. Such a system is used in heavy commercial vehicle and therefore, application of power steering in car, is the biggest question today is. Because as per norms of power steering, whose vehicle unladen weight is more than 1500 kgs , may affect as the proper norms. However, introducing of power steering in car, in terms of prefect steering is to a problem by means of dragging, while sudden applied of brake.

Power steering mechanism employs Electrical Devices, Compressed Air and Hydraulic pressure. There are two types …show more content…

Contd..P/2
Ø angle of outside lock.
O angle of inside lock.

AB = CD = CO – DO = AC – BD Cot
Therefore, Cot – Cot =AB/AC = a/b,
Therefore, Cot – Cot = a/b

The above equation gives the fundamental condition to be satisfied and as per experimental study for car, this formula is not helping due to sudden applied of brake, as a result, dragging i.e. car pull one side.

3. Literacy Review:
3.1. Ackermann Steering Mechanism: Two different steering mechanisms are used: [1] Davis Steering System,
[2] Ackermann Steering Mechanism,

However, Ackerman steering mechanism is generally used in all the vehicles. The Ackermann steering gear is much simpler than Davis and consists of a four-bar chain having turning pairs only. Steering arm AB and CD make equal angles with the front wheel axis. ACBD forms a four bar mechanism the links of which are proportional that the fundamental condition for true rolling is …show more content…

Neglecting the slight inclination of the track rod, the movement of B and D in the direction parallel to the axle beam AC will be the same. Let B¹D¹ be the correct steering position and z denote the steering arm radius.

Then, Sin ( ) = x+y/z,
And, Sin ( = x-y/z,
Therefore, Sin + Sin ( – ), = 2x/z, = 2 Sin . The variable O and Ø can b calculated for correct steering with help of above equation.
4. Methodology and Result: While a driver, drive the car by the manual steering, the driver suppliers all the steering force and therefore, there are some disadvantages to manual steering. Automobile usually do not have full power steering. They have power assisted steering, which is called power steering. Power steering systems have used compressed air, electrical devices and hydraulic

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