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http://dx.doi.org/10.14400/JDC.2019.17.11.207

A Study for Detecting Fuel-cut Driving of Vehicle Using GPS  

Ko, Kwang-Ho (Division of Smart Automobile, Pyeongtaek University)
Publication Information
Journal of Digital Convergence / v.17, no.11, 2019 , pp. 207-213 More about this Journal
Abstract
The fuel-cut coast-down driving mode is activated when the acceleration pedal is released with transmission gear engaged, and it's a default function for electronic-controlled engine of vehicles. The fuel economy becomes better because fuel injection stops during fuel-cut driving mode. A fuel-cut detection method is suggested in the study and it's based on the speed, acceleration and road gradient data from GPS sensor. It detects fuel-cut driving mode by comparing calculated acceleration and realtime acceleration value. The one is estimated with driving resistance in the condition of fuel-cut driving and the other is from GPS sensor. The detection accuracy is about 80% when the method is verified with road driving data. The result is estimated with 9,600 data set of vehicle speed, acceleration, fuel consumption and road gradient from test driving on the road of 12km during 16 minutes, and the road slope is rather high. It's easy to detect fuel-cut without injector signal obtained by connecting wire. The detection error is from the fact that the variation range of speed, acceleration and road gradient data, used for road resistance force, is larger than the value of fuel consumption data.
Keywords
Fuel-cut; Coast-down; Eco-drive; Driving resistance; Acceleration comparison;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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