Hybrid electric buses fuel consumption prediction based on real-world driving data
Journal Article
·
· Transportation Research. Part D, Transport and Environment
- Univ. of South Carolina, Columbia, SC (United States); Vanderbilt University
- Univ. of South Carolina, Columbia, SC (United States)
- Vanderbilt Univ., Nashville, TN (United States)
- Chattanooga Area Regional Transportation Authority, Chattanooga, TN (United States)
Estimating fuel consumption by hybrid diesel buses is challenging due to its diversified operations and driving cycles. Here, long-term transit bus monitoring data were utilized to empirically compare fuel consumption of diesel and hybrid buses under various driving conditions. Artificial neural network (ANN) based high-fidelity microscopic (1 Hz) and mesoscopic (5–60 min) fuel consumption models were developed for hybrid buses. The microscopic model contained 1 Hz driving, grade, and environment variables. The mesoscopic model aggregated 1 Hz data into 5 to 60-minute traffic pattern factors and predicted average fuel consumption over its duration. The prediction results show mean absolute percentage errors of 1–2% for microscopic models and 5–8% for mesoscopic models. The data were partitioned by different driving speeds, vehicle engine demand, and road grade to investigate their impacts on prediction performance.
- Research Organization:
- Chattanooga Area Regional Transportation Authority, Chattanooga, TN (United States)
- Sponsoring Organization:
- USDOE; USDOE Office of Energy Efficiency and Renewable Energy (EERE), Transportation Office. Vehicle Technologies Office
- Grant/Contract Number:
- EE0008467
- OSTI ID:
- 1824216
- Alternate ID(s):
- OSTI ID: 1780235
- Journal Information:
- Transportation Research. Part D, Transport and Environment, Journal Name: Transportation Research. Part D, Transport and Environment Vol. 91; ISSN 1361-9209
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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