Vehicle dynamic validation and analysis from suspension forces
| Autor: | Murray, William S. (William Scott) |
|---|---|
| Rok vydání: | 2012 |
| Předmět: |
Formula SAE
Society of Automotive Engineers Racing Strain Gauges Vehicle Dynamics Test Courses FSAE Global Formula Racing GFR Data Acquisition Asymmetric Oval Tire Forces Vehicle Yaw Momnet Milliken Moment Diagram Vehicle Validation Vehicle Instrumentation Automobiles Racing Springs and suspension Dynamics |
| Druh dokumentu: | Thesis/Dissertation |
| Popis: | Several standardized courses for Formula SAE (FSAE) testing are introduced and described with sufficient detail to be reproduced by any Formula SAE team. Basic analysis methods for the courses are given as well as explanations of how those analyses could be used. On-car data from the Global Formula Racing (GFR) SAE cars is used to verify the analysis methods, give estimates to unknown variables, and show the relevance of the standard testing courses. Using the courses and methods described in this paper should allow standardized comparison of FSAE car performance, as well as provide a method to verify simulations and evaluate changes in vehicle performance from tuning. Instrumentation of all suspension member forces with strain gauge load cells is shown to be an extremely powerful tool for measuring vehicle performance and quantifying vehicle dynamic characteristics. The design and implementation of strain gauge load cells is described in detail to provide a template for reproducing similar results in other vehicles. Data from the GFR 2011 FSAE car is used throughout the paper to: show the design process for making effective suspension member load cells, show the calibration processes necessary to ensure quality data is collected, illustrate the calculation of suspension corner forces, and show the effectiveness of measuring vehicle dynamic characteristics with this technique. Using the methods described in this paper should provide data that allows a more complete and thorough understanding of on-car vehicle dynamics. This data may be used to validate vehicle models. Graduation date: 2012 |
| Databáze: | Networked Digital Library of Theses & Dissertations |
| Externí odkaz: |
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