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Battery Electric Vehicle Energy Consumption and Range Test Procedure

Light Duty Vehicle Performance and Economy Measure Committee
  • Ground Vehicle Standard
  • J1634_201707
  • Current
Published 2017-07-12 by SAE International in United States
This SAE Recommended Practice establishes uniform procedures for testing Battery Electric Vehicles (BEVs) which are capable of being operated on public and private roads. The procedure applies only to vehicles using batteries as their sole source of power. It is the intent of this document to provide standard tests which will allow for the determination of energy consumption and range for light-duty vehicles (LDVs) based on the Federal Emission Test Procedure (FTP) using the Urban Dynamometer Driving Schedule (UDDS) and the Highway Fuel Economy Driving Schedule (HFEDS), and provide a flexible testing methodology that is capable of accommodating additional test cycles as needed. Realistic alternatives should be allowed for new technology. Evaluations are based on the total vehicle system's performance and not on subsystems apart from the vehicle. NOTE: The range and energy consumption values specified in this document are the raw, test-derived values. Additional corrections are typically applied to these quantities when used for regulatory purposes (Corporate Average Fuel Economy, vehicle labeling, etc.).
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Chassis Dynamometer Simulation of Road Load Using Coastdown Techniques

Light Duty Vehicle Performance and Economy Measure Committee
  • Ground Vehicle Standard
  • J2264_201401
  • Current
Published 2014-01-24 by SAE International in United States
This procedure covers vehicle operation and electric dynamometer load coefficient adjustment to simulate track road load within dynamometer inertia and road load simulation capabilities.
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Drive Quality Evaluation for Chassis Dynamometer Testing

Light Duty Vehicle Performance and Economy Measure Committee
  • Ground Vehicle Standard
  • J2951_201401
  • Current
Published 2014-01-24 by SAE International in United States
This SAE Recommended Practice establishes uniform procedures for evaluating conformity between the actual and target drive speeds for chassis dynamometer testing utilizing standard fuel economy and emissions drive schedules.
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Battery Electric Vehicle Energy Consumption and Range Test Procedure

Light Duty Vehicle Performance and Economy Measure Committee
  • Ground Vehicle Standard
  • J1634_201210
  • Historical
Published 2012-10-04 by SAE International in United States
This SAE Recommended Practice establishes uniform procedures for testing battery electric vehicles (BEV’s) which are capable of being operated on public and private roads. The procedure applies only to vehicles using batteries as their sole source of power. It is the intent of this document to provide standard tests which will allow for the determination of energy consumption and range for light-duty vehicles (LDVs) based on the Federal Emission Test Procedure (FTP) using the Urban Dynamometer Driving Schedule (UDDS) and the Highway Fuel Economy Driving Schedule (HFEDS), and provide a flexible testing methodology that is capable of accommodating additional test cycles as needed. Realistic alternatives should be allowed for new technology. Evaluations are based on the total vehicle system’s performance and not on subsystems apart from the vehicle. NOTE: The range and energy consumption values specified in this document are the raw, test-derived values. Additional corrections are typically applied to these quantities when used for regulatory purposes (Corporate Average Fuel Economy, vehicle labeling, etc.).
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Drive Quality Evaluation for Chassis Dynamometer Testing

Light Duty Vehicle Performance and Economy Measure Committee
  • Ground Vehicle Standard
  • J2951_201111
  • Historical
Published 2011-11-30 by SAE International in United States
This SAE Recommended Practice establishes uniform procedures for evaluating conformity between the actual and target drive speeds for chassis dynamometer testing utilizing standard fuel economy and emissions drive schedules.

Recommended Practice for Measuring the Exhaust Emissions and Fuel Economy of Hybrid-Electric Vehicles, Including Plug-in Hybrid Vehicles

Light Duty Vehicle Performance and Economy Measure Committee
  • Ground Vehicle Standard
  • J1711_201006
  • Current
Published 2010-06-08 by SAE International in United States
This Society of Automotive Engineers (SAE) Recommended Practice establishes uniform chassis dynamometer test procedures for hybrid-electric vehicles (HEVs) that are designed to be driven on public roads. The procedure provides instructions for measuring and calculating the exhaust emissions and fuel economy of HEVs driven on the Urban Dynamometer Driving Schedule (UDDS) and the Highway Fuel Economy Driving Schedule (HFEDS), as well as the exhaust emissions of HEVs driven on the US06 Driving Schedule (US06) and the SC03 Driving Schedule (SC03). However, the procedures are structured so that other driving schedules may be substituted, provided that the corresponding preparatory procedures, test lengths, and weighting factors are modified accordingly. Furthermore, this document does not specify which emissions constituents to measure (e.g., HC, CO, NOx, CO2); instead, that decision will depend on the objectives of the tester. The emissions calculations for plug-in hybrid-electric vehicle (PHEV) operation are provided as inventory results, weighted in the same manner as fuel and electrical energy consumption. Decisions for on-board versus off-board emissions, relative benefits of emissions-free driving, and how best to weight…
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Road Load Measurement and Dynamometer Simulation Using Coastdown Techniques

Light Duty Vehicle Performance and Economy Measure Committee
  • Ground Vehicle Standard
  • J1263_201003
  • Current
Published 2010-03-09 by SAE International in United States
This procedure covers measurement of vehicle road load on a dry, straight, level road at speeds less than 113 km/h (70 mi/h).
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Electric Vehicle Test Procedure

Light Duty Vehicle Performance and Economy Measure Committee
  • Ground Vehicle Standard
  • J227_199212
  • Current
Published 2009-02-09 by SAE International in United States
No Abstract Available.

Road Load Measurement and Dynamometer Simulation Using Coastdown Techniques

Light Duty Vehicle Performance and Economy Measure Committee
  • Ground Vehicle Standard
  • J1263_200901
  • Historical
Published 2009-01-12 by SAE International in United States
This procedure covers measurement of vehicle road load on a dry, straight, level road at speeds less than 113 km/h (70 mi/h).

Road Load Measurement Using Onboard Anemometry and Coastdown Techniques

Light Duty Vehicle Performance and Economy Measure Committee
  • Ground Vehicle Standard
  • J2263_200812
  • Current
Published 2008-12-12 by SAE International in United States
This SAE Recommended Practice establishes a procedure for determination of vehicle road load force for speeds between 115 and 15 km/h (71.5 and 9.3 mi/h). It employs the coastdown method and applies to vehicles designed for on-road operation. The final result is a model of road load force (as a function of speed) during operation on a dry, level road under reference conditions of 20 °C (68 °F), 98.21 kPa (29.00 in-Hg), no wind, no precipitation, and the transmission in neutral.
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