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Manual steering is largely employed on emergent markets and it demands high level performance to be competitive. To achieve customer satisfaction, it is important to understand physically and be able to quantify what is good performance regarding imperative steering aspects. Nevertheless, global projects and quality management require objective measurements and reference numbers. The strategy defining the measurements in order to compare among development steps and benchmark must be studied carefully. Objective measurements and subjective evaluation correlation is necessary to define the reference data. In this project, several cars were evaluated and measured performing standard maneuvers. The maneuvers were performed to obtain appropriated and enough information to understand the performance and to do the correlation. The subjective evaluation was normalized and; using objective data, parameters were calculated to represent properly and in a robust form the driver fills.

Resume a Formula SAE suspension design. After rules analysis, which limits the suspension a minimum travel and wheelbase, project targets were defined, than a benchmarking was made on top teams. The tire behavior is discussed. The unequal A-arms with tie-rod on front and rear suspension are detailed. The dimensional approach was developed on CAD concerning dimensional restrictions. The transient stability, control and maneuvering performance were analyzed on overall forces and moments diagram. For kinematics and dynamic analysis a multibody model was used. Rollover, ride and handling were simulated and were done tuning on geometry, springs and dampers to achieve performance.