Driving Cycle Adaption and Design Based on Mean Tractive Force
Driving cycles are used for certification, for comparison of
vehicles, and to an increasing extent as an engineering tool in
vehicle design. A situation with only a few fixed driving cycles to
use would then lead to the risk that a test or design would be
tailored to details in the driving cycle instead of being
representative. Due to this, and due to the increased use in the
development process, there is now a strong need for methods to
achieve representative driving cycles that in a wide sense are
similar but not the same. To approach this problem area, we define
equivalence between driving cycles based on mean tractive force, and
develop algorithms and methods for equivalence-modification and
equivalence-transformation of driving cycles. There are a number of
applications for these methods but one example that is demonstrated
is to transform the well-known FTP75 into an equivalent NEDC, and
the other way around, to transform the NEDC into an equivalent
FTP75.
Peter Nyberg, Erik Frisk and Lars Nielsen
2013
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