Beams Document 3320-v1

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Using Hardware-in-the-Loop Simulations to improve EPA Emissions Testing

Document #:
Beams-doc-3320-v1
Document type:
Talk
Submitted by:
Camille M. Ginsburg
Updated by:
Camille M. Ginsburg
Document Created:
04 Mar 2009, 10:19
Contents Revised:
04 Mar 2009, 10:19
Metadata Revised:
04 Mar 2009, 10:19
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Abstract:
The Environmental Protection Agency (EPA) mandates the FTP-75 emissions certification test which is used to rate the emissions of cars and light trucks sold in the USA. The test specifies a driving cycle that is representative of real world automobile usage. The driving cycle loading schedule, however, is derived from simplified 'road load' coefficients and may not match the loadings present in real world driving situations. A hardware-in-the-loop simulation can be used that will more accurately predict the loads imparted on the powertrain. Design details of the hardware-in-the-loop powertrain testing will be presented along with results from several driving cycles.
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