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Effects of Steering System Friction and Jacking Force on On-Center Driving Performance in a Commercial Vehicle
Technical Paper
2017-26-0339
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
In heavy commercial vehicle segment in India, driver comfort and feel was largely ignored. Fierce competition in the recent years and buyer’s market trend is compelling the designers of heavy truck to focus more on the finer aspects of attribute refinements. Steering is one driver-Vehicle interface which the driver is engaged throughout. Comfort and feel in steering wheel is defined by parameters like steering effort, manoeuvrability, on-center feel & response, cornering feel & response, Torque dead band, return-ability etc. and is influenced by a long list of components and systems in the truck. This study focuses on the influences of jacking torque and steering system friction on the on-center driving performance.
Experiments to measure the Jacking torque and steering system friction were conducted in the lab and subjective and objective assessments of on-center driving performance were later conducted at test track in two similar 12 Ton truck to correlate their effects. This correlation is discussed in detail in this publication.
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Citation
Mari, J. and Srinivasan, E., "Effects of Steering System Friction and Jacking Force on On-Center Driving Performance in a Commercial Vehicle," SAE Technical Paper 2017-26-0339, 2017, https://doi.org/10.4271/2017-26-0339.Also In
References
- Farrer , D. An Objective Measurement Technique for the Quantification of On-Centre Handling Quality SAE Technical Paper 930827 1993 10.4271/930827
- ISO 2003 Road Vehicles - Test method for the quantification of on-center handling Part 1: Weave test 2003
- BL Engineering Standard Measurement of steering system friction levels
- van Daal B.A.M Friction and compliance identification in a vehicle's steering system
- Mol M.W.F. Friction and compliance identification in a vehicle's steering system