Abstract
This paper is concerned with the design, modeling, and simulation and testing procedure of All Terrain Vehicle (ATV) fitted with SAS, which is used in BAJA SAEINDIA standards. Using CATIA V5, the model is created, which is fulfilling the guidelines of BAJA SAEINDIA rules. ATV is having the two different pairs of quarter car models of suspensions where dampers filled with MR Fluid (SAS) in front and rear wheels. In front SLA wishbone and rear McPherson Strut are fixed. The physical representation of the ATV is converted into the mathematical modeling and it is imported in MATLAB SIMULINK software and analyzed for ATV’s performance. The ATV is analyzed for its vertical, pitch and roll motions which include total number of 7 Degrees of Freedom. The road excitation modeling also incorporated with the equations. This paper, elaborates the approaching of simulation method only. The virtual model of ATV has involving greater significance of reducing the cost involved in real time testing as well as the results are replica of experimental results.
Highlights
This paper is concerned with the design, modeling, and simulation and testing procedure of All Terrain Vehicle (ATV) fitted with SAS, which is used in BAJA SAEINDIA standards
The physical representation of the ATV is converted into the mathematical modeling and it is imported in MATLAB SIMULINK software and analyzed for ATV’s performance
Many papers are discussing the design, and various controllers used in quarter car/half car models provided with SAS
Summary
Many papers are discussing the design, and various controllers used in quarter car/half car models provided with SAS. A full car model has greater influence giving the closer to accurate results comparing with experimental to the simulation automotive [1] applications. This paper’s prime intention is application of full car model of (Figure 1) ATV, designed conventional dampers in front wheels, and rear wheels are associated with SAS, and introducing simulation environment like MATLAB SIMULINK. The MATLAB environment is very much useful to simulate vehicle model in a convenient way. Comfort and road handling performance of a passenger car is mainly controlled by the damping [2,3] characteristics of the shock absorber. Almost all types of spring and shock absorber for a car are designed assuming that, the surface of the road is a smoother one. The negotiations between surface roughness and constant damper coefficients are not well balanced, causing increasing vibrations in the vehicles
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