Research Papers

Eco-Driving Performance Assessment With in-Car Visual and Haptic Feedback Assistance

[+] Author and Article Information
S. Azzi, A. Kemeny

RENAULT, Technical Centre for Simulation, Avenue du Golf – 78288 Guyancourt, France; Arts et Métiers ParisTech, Le2i, CNRS,  Institut Image, Rue Thomas Dumorey – 71100 Chalon sur Saône, France

G. Reymond

RENAULT,  Technical Centre for Simulation, Avenue du Golf – 78288 Guyancourt, France

F. Mérienne

Arts et Métiers ParisTech, Le2i, CNRS,  Institut Image, Rue Thomas Dumorey – 71100 Chalon sur Saône, France

J. Comput. Inf. Sci. Eng 11(4), 041005 (Sep 13, 2011) (5 pages) doi:10.1115/1.3622753 History: Revised June 16, 2010; Received September 30, 2010; Published September 13, 2011; Online September 13, 2011

In this experiment, 28 participants completed an urban driving task in a highly immersive driving simulator at Renault’s Technical Centre for Simulation. This simulator provides a 150 deg field of view in a fully instrumented cockpit. Two different eco-driving assistance devices were added: a visual display on the midconsole and a force feedback system on the gas pedal, in order to apply an additionnal reaction torque on drivers’ foot. The feedback information was computed by comparing the car’s instant acceleration with an optimal acceleration level based on a proprietary consumption model of a Renault diesel engine. This experiment has three main goals: I. Assess the contribution of verbal instructions to eco-driving performance; II. Quantify the additional contribution generated by two eco-driving assistance systems (visual and haptic); III. Measure drivers’ acceptance of haptic eco-driving assistance system. Basic eco-driving instructions, such as changing gears under 2000 Rpm, yield significant decrease of polluting emissions. Assisting drivers with visual, haptic, or visual-haptic on-board devices, in addition to low engine speed verbal instructions, lead to supplementary significant savings of polluting emissions. There is no significant difference between assistance feedback type; suggesting that the haptic feedback provides the same ecoperformance as visual feedback. In particular, subjects show good adaptation to the haptic feedback pedal at first utilization of the system. They apparently relied more on haptic modality to achieve the eco-driving task, when they used both visual and haptic assistance.

Copyright © 2011 by American Society of Mechanical Engineers
Topics: Haptics , Feedback , Emissions
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Figure 1

Principle of Renault eco-driving model

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Figure 2

Picture of the CARDS simulator, with midconsole assistance display

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Figure 3

Plot by trials, among all subjects, of total polluting emissions (a); and mean over-acceleration compared with optimal (b)

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Figure 4

Plot by groups of T3eco-assistance trials for total polluting emissions (a); and mean of overacceleration (b)

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Figure 5

Plot of verbally instructed trials and assisted trials for each group for standard deviation of pedal position (a); and mean of overacceleration (b)



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