Balancing NVH and energy management of eco-efficient powertrains through a model based systems approach, integrating functional performance and controls optimization

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Balancing NVH and energy management of eco-efficient powertrains through a model based systems approach, integrating functional performance and controls optimization

Gillijns, S. / Wyckaert, K. / Meek, B. / Anthonis, J.

The on-going electrification, hybridization and downsizing efforts in automotive powertrain departments require these departments to rethink their simulation processes, in order to cope at the same time with changing external market driven pressures (fuel economy, emissions, performance, comfort, NVH) and with internal pressure on efficient processes and procedures. The use of the right combination of multi-scale multi-physics simulation methodologies helps development departments with the new challenges abreast. In this paper, the changing needs and solutions are illustrated with concrete case histories. The first case focuses on procedures for balancing NVH performance vs. efficiency of electrical motors, for studying potentiality of concepts like switched reluctance motors for invehicle applications. In support of early design trade-off evaluations, integrated electromagnetic and vibro-acoustical models are to be combined with functional controls integration & electrical and thermal engine system models to be able to trade-off between NVH & energy management of the motor. The second case discusses the design of a hybrid powertrain in which also the SRM will be integrated. This powertrain is a parallel post transmission type, in which the ICE is connected to an existing push belt Continuous Variable Transmission (CVT). The powertrain is modelled on vehicle level to assess as early as possible integration issues. Special attention is paid to loss modelling of the CVT and the Hybrid Control Unit (HCU) model. The loss model is validated on a test bench. The latter is also used in Hardware in the Loop tests on the CVT where the rest of the powertrain and the vehicle are virtual and simulated by a real-time model. In this way, inconsistencies can be checked between the HCU, the CVT and its TCU (Transmission Control Unit).

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Dokumentinformationen

Titel :

Balancing NVH and energy management of eco-efficient powertrains through a model based systems approach, integrating functional performance and controls optimization

Beteiligte:

Gillijns, S. (Autor:in) / Wyckaert, K. (Autor:in) / Meek, B. (Autor:in) / Anthonis, J. (Autor:in)

Erschienen in:

International VDI Congress Drivetrain for Vehicles, 2013, International VDI Conference Transmissions in commercial Vehicles, 2013, International VDI Conference Control solutions for transmissions, 2013 ; 605-620

VDI-Berichte ; 2187

Erscheinungsdatum :

2013

Format / Umfang :

16 Seiten, 12 Bilder, 11 Quellen

ISBN :

978-3-18-092187-7

ISSN :