Potentials of Phlegmatization in Diesel Hybrid Electric Vehicles

Paper #:
  • 2011-37-0018

Published:
  • 2011-06-09
Citation:
Auerbach, M., Ruf, M., Bargende, M., Reuss, H. et al., "Potentials of Phlegmatization in Diesel Hybrid Electric Vehicles," SAE Technical Paper 2011-37-0018, 2011, https://doi.org/10.4271/2011-37-0018.
Pages:
12
Abstract:
An approach for model-based control strategy design for diesel hybrid drive-trains has been developed, permitting the reduction of fuel consumption as well as of exhaust gas emissions. The control strategy consists of four core-functions: the SOC-management, the operation mode determination, the gear selection, and the thermal monitoring. Based on those different interpretations, a control strategy can be designed that leads to great reductions in fuel consumption or alternatively to a mentionable decline of nitrous oxides. In this trade-off, both aims can not be optimized at a time. Though, the strategy to be used is a compromise, designs for control strategies are possible that reduce both for a significant amount. Extending this control strategy by adding functions for transient behavior at start-up and load changes; phlegmatization enables additional potentials for emission reduction. Considering the aging of the electrical components, especially the battery, yields an additional restriction to the implementation of the control strategy and adds an additional aspect for the multi-dimensional trade-off.
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