지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2011.11
- 수록면
- 68 - 75 (8page)
이용수
초록· 키워드
오류제보하기
A vehicle fuel economy is very important issue in view of fuel cost and environmental regulation. It has been improved according to the performance improvement of the vehicle engine, power train and many components. It was evaluated at given mode (LA-4, FTP-75, etc) on an engine dynamometer or computer simulation program.
In this paper, the fuel economy improvement cruise control algorithms as controling a vehicle velocity by road load calculated and predicted in a real expressway with gradient was studied. Firstly, the altitude and distance data which was measured with GPS sensor was already installed in the ECU of a vehicle. Then the vehicle equipped with GPS receiver is driven the same expressway. The ECU calculates the gradient angle and the in-/decreasing velocity using the gradient angle by comparing the current received distance and altitude data from GPS with the saved data ahead of the vehicle. Therefore the ECU can calculate and predict the vehicle velocity considering tolerance velocity of next position with running. Then the ECU controls the vehicle velocity to meet this predicted velocity in all section.
Three cruise control algorithms with the different velocity profiles for the improvement of fuel economy are proposed and compared with the computer simulation results that the vehicle runs on Youngdong expressway. The proposed CVELCONT2 and CVELCONT3 algorithms were improved 3.7% and 4.8% of fuel economy compared with CONSTVEL which is steady cruising algorithm. These two algorithms are recommended as the Eco-cruise drive methodologies in this paper.
In this paper, the fuel economy improvement cruise control algorithms as controling a vehicle velocity by road load calculated and predicted in a real expressway with gradient was studied. Firstly, the altitude and distance data which was measured with GPS sensor was already installed in the ECU of a vehicle. Then the vehicle equipped with GPS receiver is driven the same expressway. The ECU calculates the gradient angle and the in-/decreasing velocity using the gradient angle by comparing the current received distance and altitude data from GPS with the saved data ahead of the vehicle. Therefore the ECU can calculate and predict the vehicle velocity considering tolerance velocity of next position with running. Then the ECU controls the vehicle velocity to meet this predicted velocity in all section.
Three cruise control algorithms with the different velocity profiles for the improvement of fuel economy are proposed and compared with the computer simulation results that the vehicle runs on Youngdong expressway. The proposed CVELCONT2 and CVELCONT3 algorithms were improved 3.7% and 4.8% of fuel economy compared with CONSTVEL which is steady cruising algorithm. These two algorithms are recommended as the Eco-cruise drive methodologies in this paper.
목차
Abstract
1. 서론
2. GPS 데이터 및 주행저항
3. 속도 프로파일 및 제어 알고리즘
4. 모의실험 및 결과고찰
5. 결론
References
참고문헌 (11)
참고문헌 신청
1. [학술지(정기간행물)] - J. H. Park / 2000 / Estimation of Real Driving Fuel Consumption Rate of a Vehicle When Driving on Road Including Grade / Transactions of KASE 9 (3) : 65 ~ 76
2. [학술지(정기간행물)] - T. S. Han / 2001 / Trend of Improving Vehicle Fuel Economy / Auto Journal 23 (2) : 65 ~ 67
3. [학술지(정기간행물)] - M. S. LYU / 2006 / OPTIMIZATION ON VEHICLE FUEL CONSUMPTION IN A HIGWAYBUS USING VEHICLE SIMULATION / International Journal of Automotive Technology 7 (7) : 841 ~ 846
4. [보고서] - A. Berry / 2002 / A New Approach to Improving Fuel Economy and Performance Prediction through Coupled Thermal Systems Simulation
5. [보고서] - Y. Hori / 1986 / Computer Simulation of Vehicle Fuel Economy and Performance
2. [학술지(정기간행물)] - T. S. Han / 2001 / Trend of Improving Vehicle Fuel Economy / Auto Journal 23 (2) : 65 ~ 67
3. [학술지(정기간행물)] - M. S. LYU / 2006 / OPTIMIZATION ON VEHICLE FUEL CONSUMPTION IN A HIGWAYBUS USING VEHICLE SIMULATION / International Journal of Automotive Technology 7 (7) : 841 ~ 846
4. [보고서] - A. Berry / 2002 / A New Approach to Improving Fuel Economy and Performance Prediction through Coupled Thermal Systems Simulation
5. [보고서] - Y. Hori / 1986 / Computer Simulation of Vehicle Fuel Economy and Performance
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UCI(KEPA) : I410-ECN-0101-2013-556-000841296