Browse Publications Technical Papers 2019-26-0073
2019-01-09

To Study the Influence of Variation in Camber and Toe on Handling of Passenger Vehicle during Cornering 2019-26-0073

Study of Vehicle dynamics has always been the essential area for automotive industries. The vehicle performance, handling and ride comfort are realized because of at most care and the effort that has gone into design and assembly of components and subsystems. Steering and suspension system takes its due importance as it provides the driver not only to give the necessary input for the vehicle motion but also for its directional control and stability. Hence, this subsystem needs to be optimized in order to obtain good handling and ride control of the vehicle. The wheel alignment is the key requirement for the vehicle that depends on steering axis inclination, scrub radius, camber, castor and toe angles, out of which toe and camber are easily adjustable time to time. For frequent cornering events these parameters can’t remain same. Camber plays important role in deciding cornering force during maneuver, on straight roads it doesn’t affect much but on frequent cornering event it must be adjusted such that it should give good handling characteristics. Multi-body dynamic model of a sedan car is built in ADAMS Car software with different subsystems. This assembly of car is simulated for different recognized handling tests like, constant speed cornering, acceleration during cornering and braking during cornering. Thus, it is understood that the dynamic behavior of a passenger car is influenced by these design parameters of steering and suspension geometry. The present work predicts, the most suitable combination of the integral geometry of the steering system for different camber angle and toe angle and their optimized values to give the better handling and stability for the vehicle during different cornering conditions.

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