Dynamic Vehicle Powertrain Model Development and Hardware-in-the-Loop Simulator for Developing and Measuring Fuel Efficient CO2 Reducing Technologies HELLA Electronics Corporation

Format:

Conference/Event

Author/Creator:

Brown, Brown, author.

Contributor:

Kotori, Doris

Conference Name:

SAE 2013 World Congress & Exhibition (2013-04-16 : Detroit, Michigan, United States)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 2013

Summary:

Current significant challenges in the automotive industry forincreasing fuel economy and reducing CO₂ emissions remain withtraditional combustion engines. Moderately small increases in fuelefficiency lead to major reductions in CO₂ emissions, primarily dueto large production volumes utilizing incremental fuel savingtechnologies.Enhancements of today's vehicle powertrains, includingmicro-hybrids and mild-hybrids with stop-start systems, andcoasting and energy recuperation have shown a positive cost benefitand shorter payback period. This is identified when the technologyis compared to more complex and expensive HEVs (Hybrid ElectricVehicles) and BEVs (Battery Electric Vehicles).This paper describes the development of a baseline conventionalvehicle model for estimating fuel savings and CO₂ reduction; itprovides a benchmark for the development of fuel saving energymanagement technologies such as stop-start, coasting, and dualvoltage architecture with regenerative braking and"on-demand" fuel senders. It will be shown that astop-start system will provide a simulated 2.9% FE (Fuel Economy)benefit for the EPA unadjusted combined city/highway drivingcycles. Also enhanced stop-start with aggressive coasting withengine-off (100 km/hr) provides an additional benefit of 7.1%.In addition, this paper describes a case study for thedevelopment of a HIL (Hardware-In-the-Loop) simulator which makesuse of the conventional baseline model. The HIL system measuresfuel savings of replacing a "100% driven" fuel systemwith an "on-demand" fuel delivery system. The case studywill show a 40% CO₂ reduction over "100% driven" DC pumpwith a DC "on-demand" pump and an additional 22% CO₂reduction for the BLDC "on-demand" pump for the EPAcity/highway driving cycles using a Mini Cooper vehicle model

Notes:

Vendor supplied data

Publisher Number:

2013-01-0355

Access Restriction:

Restricted for use by site license