Development of simulated driving cycles for light,medium, and heavy duty trucks: Case of the Toronto Waterfront Area |
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Institution: | 1. Mechanical Engineering Department, Engineering Faculty, Khon Kaen University, 40002, Thailand;2. Civil Engineering Department, Engineering Faculty, Khon Kaen University, 40002, Thailand;3. Industrial Engineering Department, Engineering Faculty, Khon Kaen University, 40002, Thailand |
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Abstract: | Driving cycles are an important input for state-of-the-art vehicle emission models. Development of a driving cycle requires second-by-second vehicle speed for a representative set of vehicles. Current standard driving cycles cannot reflect or forecast changes in traffic conditions. This paper introduces a method to develop representative driving cycles using simulated data from a calibrated microscopic traffic simulation model of the Toronto Waterfront Area. The simulation model is calibrated to reflect road counts, link speeds, and accelerations using a multi-objective genetic algorithm. The simulation is validated by comparing simulated vs. observed passenger freeway cycles. The simulation method is applied to develop AM peak hour driving cycles for light, medium and heavy duty trucks. The demonstration reveals differences in speed, acceleration, and driver aggressiveness between driving cycles for different vehicle types. These driving cycles are compared against a range of available driving cycles, showing different traffic conditions and driving behaviors, and suggesting a need for city-specific driving cycles. Emissions from the simulated driving cycles are also compared with EPA’s Heavy Duty Urban Dynamometer Driving Schedule showing higher emission factors for the Toronto Waterfront cycles. |
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Keywords: | Driving cycle Microsimulation modeling Emission model MOVES |
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