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Integrated modeling and analysis of dynamics for electric vehicle powertrains

Integrated modeling and analysis of dynamics for electric vehicle powertrains
Park, G[Park, Gwangmin]Lee, S[Lee, Seonghun]Jin, S[Jin, Sungho]Kwak, S[Kwak, Sangshin]
DGIST Authors
Lee, S[Lee, Seonghun]Jin, S[Jin, Sungho]
Issued Date
Article Type
Analytic ModelingAnalytical ModelsAutomobile DriversDynamic CharacteristicsDynamicsDynamics of VehiclesElectric Power SystemsElectric VehiclesElectrical Power SystemElectrical QuantitiesFunctionsMathematical AnalysisMathematical ExpressionsMechanical and ElectricalPower-Trains
Powertrain of an electric vehicle (EV) is a compound system with an electrical sub-system, such as batteries, inverters, and electrical motors, as well as a mechanical sub-system, including transmissions, differential, and wheels. Since the electrical systems directly affect the vehicle driving performance and dynamics of an EV, integrated modeling considering both the mechanical and electrical systems is essential to assess ultimate kinetic and dynamic characteristics of an EV in terms of input electrical quantities. In this paper, an entire analytic model for the powertrain of EVs is developed to describe EV dynamics with respect to electrical signals, in consideration of both mechanical and electrical systems. Theoretical models based on mathematical expressions, combining the mechanical power system and the electrical power systems, are derived for predicting the final vehicle driving performance as a function of electrical quantities. In addition, a Matlab model of an EV is developed to verify the derived mathematical analysis model. Based on the theoretical model of the powertrain, a variety of relationships between electrical quantities and vehicle dynamics, such as velocity, acceleration, and forces of the EVs, are finally investigated and analyzed. © 2013 Elsevier Ltd. All rights reserved.
Elsevier Ltd
Related Researcher
  • 이성훈 Lee, Seonghun 미래자동차연구부
  • Research Interests Automotive Embedded System
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Appears in Collections:
Convergence Research Center for Future Automotive Technology 1. Journal Articles


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