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A Pilot Experiment on Driver Task Performance with Fixed and Variable Steering Ratio
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Mid-Year Meeting
Language:
English
Abstract
The experimental program described here was conducted in order to determine the effect of fixed and variable steering gear ratio on driver task performance. Three fixed gearbox ratios and two variable ratios of the Bendix Varamatic type were tested, using a single vehicle. Four steady turn driving tasks were used, each producing the same lateral “g” (0.2g) and a transient maneuver task, induced by applying a step change in front wheel angle to the vehicle, was also used. The pool of test subjects consisted of student drivers with an average of 39 hr of on-the-road driving experience.
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Shoemaker, N., Dell’Amico, F., and Chwalek, R., "A Pilot Experiment on Driver Task Performance with Fixed and Variable Steering Ratio," SAE Technical Paper 670508, 1967, https://doi.org/10.4271/670508.Data Sets - Support Documents
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References
- Reece J. W. “Engineering Evaluation of the Bishop Variable Ratio Steering Gear.” Feb. 23 1956
- Bishop A. E. “Variable Ratio Steering Gear.” SAE J. March 1959 64
- Haynes A. L. Mika H. S. Forbes L. M. “Simulation Techniques in Automotive Human Factors Research.” National Conference on Driving Simulation Santa Monica, California February 27– March 1, 1961
- Wohl J. G. “Man-Machine Steering Dynamics,” Human Factors December 1961 222
- Hoffmann E. R. Joubert P. N. “The Effect of Changes in Some Vehicle Handling Variables on Driver Steering Performance.” Australian Road Research Board December 1965
- Harper, R. P. Jr. “Pilot Evaluation of Handling Qualities.” 9th Annual Meeting, Human Factors Society Oct. 18–21 1965