Abstract
Driver sensation during a gearshift in a manual transmission is one of the most remarkable actions in terms of comfort perception in motor vehicles. This importance has increased in a reasonable way in the last years mainly because of higher quality requirements demanded by the market. All movements and efforts, mainly the so-called double bump, are directly transferred to the drive's hand thru the gearshift lever inside the vehicle and cables that make the connection of the lever with the shifting tower. Having said that, it is possible to verify in the available literature that no human interaction analysis with the gearshift system considering human factors and ergonomics (HFE) are used to define its relation to the physical values observed during the process of gearshifting (e.g. efforts, impulses, times, etc.) to support changes in the transmission hardware. Therefore, using a HFE approach for the gearshift system, this study analyzes the models of the available literature and check its considerations, and applying HFE concepts proposes a different approach to estimate human perception about shift comfort.
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