Study of Geometric Parameters for Validation and Reduction Effort in Steering System of a Vehicle FSAE

Paper #:
  • 2015-36-0147

Published:
  • 2015-09-22
DOI:
  • 10.4271/2015-36-0147
Citation:
Tognolli, A., Serafim, C., and Garcia, B., "Study of Geometric Parameters for Validation and Reduction Effort in Steering System of a Vehicle FSAE," SAE Technical Paper 2015-36-0147, 2015, doi:10.4271/2015-36-0147.
Pages:
11
Abstract:
This paper explores the method of modeling and validation the computational tools able to accurately replicate the dynamic behavior of a Formula SAE vehicle. Based on limitations in conducting physical tests, it is possible to mathematically predict the forces and momentum generated on the steering column of the vehicle, minimizing effort and improving driver comfort even before the component physically manufactured. The results in permanent state due technical instrumentations were used in the physical vehicles and compared with other proposals (skid Pad test). As the software simulating the same path, it was possible to adopt values of speed and wheel steering, allowing compare the dynamics of the vehicle, through the signals from other sensors installed in the data acquisition system, validating the behavior of the models presented in permanent state. Other aspects were studied to understand vehicle behavior concerning lateral stability and steering behavior. In order to improve the steering system, the axle sleeve was changed, resulting in driver’s less effort on handling. This proposal was compared to virtual models noting the efficiency of multibody models and was observed the decrease in an effort to turn the steering wheel.
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