Suspension System

CGC JHANJERI

With the aim of collaborating with corporate and professional sectors for academic excellence and innovation, Students of Mechanical engineering department introduced the pneumatic lifting technique which is used to provide the higher ground clearance at the time of rough roads/breakers and lower the same to get proper ground clearance to maintain the stability at high speed on smooth roads.

The handling of vehicle depends upon the various parameters, centre of gravity of the vehicle is one of them. For better handling of the vehicle we need to keep centre of gravity as low as possible. For sport cars it is always kept low but for the passenger cars it compromises with its ground clearance. The designers prefer to maintain fixed ground clearance and design the system to acquire requisite suspension parameters. For different type of tracks, the ground clearance of vehicle is designed accordingly and that is why this is a subtle reason which also differentiates the vehicles as on-road (Sedan/Hatchback cars) and off-road (Sports utility vehicles (SUV)). Off-road vehicles have to face the rough terrain, where we need the high ground clearance of the vehicle, on the other hand we run the same vehicle on a road where high ground clearance is not necessary. Whereas a sedan car or hatchback has to run on smooth roads as well as on rough terrains sometime with its fixed lower ground clearance which tends to create dents on the bottom portion of the car. In both cases we need an adjustable ground clearance system in the vehicle to have optimum performance. Here this paper introduces the pneumatic lifting technique which is used to provide the higher ground clearance at the time of rough roads/breakers and lower the same to get proper ground clearance to maintain the stability at high speed on smooth roads.

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