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1 Ecological Driving for Sustainable Transportation Systems Presented by ー M. A. S. Kamal Researcher, Fukuoka Industry Science and Technology Foundation Kyushu University http://terra.ees.kyushu-u.ac.jp/~kamal/
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Outline of the presentation Background Existing Systems Introduction to my Research Vehicle Fuel Consumption Characteristics Strategies for Eco Driving Conclusions
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3 Emission from Transportation The transport sector: Accounts for about 25 per cent of total commercial energy consumed worldwide Consumes approximately one-half of total oil produced Transportation PS Industry
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4 Emission from Road Transport
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5 Fuel Efficient Vehicles Progress for efficient Vehicles have been continuing
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6 Realization of Eco-Driving Major Factors influencing consumptions Traffic Management Systems, Vehicle maintenance, Route Selections, Driving Style. Eco-driving means smarter and more fuel-efficient maneuvering of a vehicle. According to Recent Studies: Eco-Driving may save fuel by 10-25%.
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Ecological Driving Eco-driving means smarter and more fuel-efficient maneuvering of a vehicle. Eco-driving represents a new driving culture that makes best use of advanced vehicle technologies, while improving road safety.
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Improve road safety Improve road safety Enhance driving skills Reduce greenhouse gas emissions (CO2) Reduce greenhouse gas emissions (CO2) Noise reduction Save fuel / money (5-15% in the long-term) Save fuel / money (5-15% in the long-term) Lower vehicle maintenance costs Reduce costs of accidents More responsible driving Less stress while driving Higher comfort for drivers and passengers 8 Benefit of Ecological Driving
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9 Eco-Driving Assistance Driving Tips
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10 Eco-Driving Assistance On-board Assistance for Driver ECO ECO indicator ECO
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11 On-board Performance Indicator Driving Efficiency
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12 Existing Assistance System CARWINGS Driving data of the CARWINGS Member are sent to Data Center Data are analyzed by the expert and feedback to the Drivers Average improvement of the Members 18%
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13 Support on Sloppy Road
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14 Existing Assistance System ECO Pedal
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15 Limitation of Existing Assistance They only focus on fuel consumption characteristics of the Engine They do not analyze current road traffic situation They do not anticipate future traffic conditions They are not suitable for changing situations Therefore, A more Comprehensive Eco- Driving System is necessary for Optimum Achievement
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16 Eco-Driver Assistance System Eco-Driver Assistance System Development of EDAS, My Present research topic Fuel Consumption Characteristics of the Engine Road gradients, alignment and Lanes Situation of current traffic Anticipation of Future Situation Traffic Signal ahead Safety
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17 Efficiency of a Engine 29.1% 28.5% 27% 25.5% 24% Best efficiency points Efficiency Engine power
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18 Fuel Consumption Rate Based on Specification of NISSAN March
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Steady speed ml/km 19 Based on Specification of NISSAN March
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Fuel Consumption at Braking At high speed, when the accelerator is released OR The brake is pressed--- Fuel consumption is stopped completely Vehicle and its engine runs by its kinetic energy (KE). The brakes convert KE into heat energy by applying friction. If the KE is not sufficient, at low speed, Fuel is automatically supplied to the Engine
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Eco-Strategies Accelerate smoothly to the rated speed. Avoid aggressive acceleration. Drive at steady speed. Avoid braking as much as possible! Stop by releasing the accelerator only! Keep sufficient space in front.
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Eco-Strategies Idling at the Red Signal Move the gear at N, and stop the engine, if you expect 40s+ existence of Red Approaching a Red signal Anticipate the change in signal and take the decision to stop early. Slowly stop by releasing the accelerator. Avoid aggressive braking.
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At Red Signal dJdJ
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dJdJ
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25 Eco- Driving on Up-Down Slopes
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26 Road shape and Slope
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27 Example on Up Down Slopes Eco-Driving is compared with (a) FSD (Fixed Speed Drive) (b) ASCD (Automatic Speed Control Drive)
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28 Total Consumption Fuel savings only on up-hill Fuel savings by Eco- Driving : (a)FSD 9.32% (b)ASCD 10.55%
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Other Strategies At Jam: “Slow & Go” is better than “Stop & Go” Plan you journey and route in advance Keep tyres pumped Change the lubricant on time. Remove any extra load on the car Park the car at the first available place in the Parking lot. At low speed open the window instead of Aircon.
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30 Conclusions An introduction to Eco-Driving has been presented. Practicing Eco-Driving you may save 10- 20% fuel in long term. That surely contributes in reducing impacts on our environment. More about my research, visit: http://terra.ees.kyushu-u.ac.jp/~kamal/ © MAS Kamal, Fukuoka IST
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