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Technical Paper

Conceptualization and Implementation of a Dual-Purpose Battery Electric Powertrain Concept for an Urban Utility/Activity Vehicle

2016-04-05
2016-01-1182
The Deep Orange framework is an integral part of the graduate automotive engineering education at Clemson University International Center for Automotive Research (CU-ICAR). The initiative was developed to immerse students into the world of an OEM. For the sixth generation of Deep Orange, the goal was to develop an urban utility/activity vehicle for the year 2020. The objective of this paper is to describe the development and implementation of a dual-purpose powertrain system enabling vehicle propulsion as well as stationary activities of the Deep Orange 6 vehicle concept. AutoPacific data were first examined to define personas on the basis of their demographics and psychographics. The resulting market research, benchmarking, and brand essence studies were then converted to consumer needs and wants, to establish vehicle target and subsystem requirement, which formed the foundation of the Unique Selling Points (USPs) of the concept.
Journal Article

Modeling and Simulation of a Series Hybrid CNG Vehicle

2014-04-01
2014-01-1802
Predicting fuel economy during early stages of concept development or feasibility study for a new type of powertrain configuration is an important key factor that might affect the powertrain configuration decision to meet CAFE standards. In this paper an efficient model has been built in order to evaluate the fuel economy for a new type of charge sustaining series hybrid vehicle that uses a Genset assembly (small 2 cylinders CNG fueled engine coupled with a generator). A first order mathematical model for a Li-Ion polymer battery is presented based on actual charging /discharging datasheet. Since the Genset performance data is not available, normalized engine variables method is used to create powertrain performance maps. An Equivalent Consumption Minimization Strategy (ECMS) has been implemented to determine how much power is supplied to the electric motor from the battery and the Genset.
Technical Paper

Conceptualization and Implementation of an AWD Parallel Hybrid Powertrain Concept

2013-04-08
2013-01-1448
The Deep Orange [1] initiative is an integral part of the automotive graduate program at Clemson University International Center for Automotive Research. The initiative was developed to provide the graduate students with hands-on experience of the knowledge attained in the various engineering disciplines and related disciplines (such as marketing and human factors psychology). For the 3rd edition of Deep Orange, the goal was to develop a blank sheet hybrid mainstream sports car concept targeted towards the Generation Y (Gen Y) market segment. The objective of this paper is to elaborate on the overall development process and the technology that was created and integrated. A unique all-wheel-drive (AWD) parallel hybrid concept was derived based on extensive analyses of the Gen Y market. The data revealed that Gen Y, as an environmentally conscious generation, is willing to invest in sustainable powertrain technologies and also has a significant interest in all-wheel-drive.
Technical Paper

Impact and Sensitivity of Vehicle Design Parameters on Fuel Economy Estimates

2010-04-12
2010-01-0734
The U.S. Environmental Protection Agency (EPA) has several methods in use to determine the overall fuel economy of a vehicle which is one of the mandatory fields on the Monroney sticker (better known as window sticker) of new cars and trucks. The fuel economy of a typical vehicle depends on many design properties physically known as the inertial-, wind- and rolling resistance. Each of these resistive forces is determined by several key design parameter (such as mass, frontal area, drag coefficient and rolling resistance coefficient) which are predetermined quite early in the design process. These design parameters, to a large extent, cannot freely be determined, are considerably co-dependent and have a large amount of interaction with other vehicle properties including overall vehicle costs. To optimize the design, careful consideration of the cost/benefit analysis for each of the design parameters must be made.
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