Page 110 - Automotive Engineering

Digital engine control systems CHAPTER 4.1

For urban driving with frequent stops, the control relative size and power capacity of ICE/EM; and exhaust
strategy favors EM operation as long as SOC is sufficient. emissions and fuel economy of the ICE (as installed in the
In this operating mode regenerative braking (in which particular vehicle). It is beyond the scope of this book to
energy is absorbed by vehicle deceleration), the re- attempt to cover all possible operating modes for all HV
covered energy appears as increased SOC. configurations. However, the above discussion has pro-
The various operating modes and control strategies for videdbackgroundwithinwhichspecificHVconfigurations’
an HV depend on many factors, including vehicle weight; operating modes and control strategies can be understood.

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