Vehicle sensor data-based analysis on the driving style differences between operating indoor simulator and on-road instrumented vehicle

Qi, Geqi, Guan, Wei, Li, Xucheng, Hounsell, Nick and Stanton, Neville A. (2018) Vehicle sensor data-based analysis on the driving style differences between operating indoor simulator and on-road instrumented vehicle. Journal of Intelligent Transportation Systems: Technology, Planning, and Operations. (doi:10.1080/15472450.2018.1525534).

Abstract

Indoor simulator and on-road instrumented vehicle are the most popular ways to analyze driving behaviors by using collected Vehicle Sensor Data (VSD). However, for a same driver, the driving performance could be different in the real world and in the simulated world. Even though many studies have been conducted to discover the differences of driving behaviors in these two circumstances, little research has focused on analyzing the differences in driving style, which can provide more integrated knowledge of a driver from the natural structure, stimulus–response mechanism, of driving behaviors. Therefore, in this paper, the driving styles in both the real world and the simulated world are extracted by implementing the nonnegative matrix factorization method on the collected VSD data. Through this analysis, the driving style differences can be quantitatively described and discussed in detail. It is found that the drivers tend to be more unstable and sometimes aggressive when driving the simulator and the deviation in the perception of temporal gap in two circumstances is also discovered. The research findings are particularly valuable to calibrate the driving simulator and construct more reliable driving behavior models.

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Contributors

Author: Neville A. Stanton

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