Transport efficiency of delivery trucks: A study of coupling vehicle design and transport system through functional modelling and optimisation.

DS 122: Proceedings of the Design Society: 24th International Conference on Engineering Design (ICED23)

Year: 2023
Editor: Kevin Otto, Boris Eisenbart, Claudia Eckert, Benoit Eynard, Dieter Krause, Josef Oehmen, Nadège Troussier
Author: Shahrezaei, Khashayar (1,2); O'Reilly, Ciarán J. (1,2); Lähivaara, Timo (3); Göransson, Peter (1,2)
Series: ICED
Institution: 1: 1. KTH Royal Institute of Technology, Department of Engineering Mechanics, Teknikringen 8, SE-100 44 Stockholm; 2: The Centre for ECO2 Vehicle Design at KTH, Teknikringen 8, SE-100 44, Stockholm, Sweden; 3: 3. Department of Technical Physics, University of Eastern Finland, P.O. Box 1627, FIN-70211 Kuopio, Finland
Section: Design Methods
Page(s): 3631-3640
DOI number:


To enable the emergence of new and efficient vehicle design from the transport system perspective, a formulation of a multifunctional vehicle-transport design optimisation problem is presented. System-wide measures of transportation and vehicle efficiency measures are conceptually considered in an integrative design approach to drive the transport solutions towards more resource-efficient and eventually more sustainable solutions. Considered efficiency measures associated with the system-wide aspect are namely, productivity and service efficiency, and measures associated with vehicle attributes are namely mass and shape efficiency. The conflicting nature of these measures is balanced using optimisation methodologies through multiple transportation scenarios with varying transport demand and deterministic drive cycles. The obtained optimisation results demonstrated that there is a strong interconnectivity between the vehicle’s overall configuration and transportation aspects. Thus, conceptually demonstrating how the inclusion of various transport-vehicle efficiency measures simultaneously in an integrative design approach during the early vehicle design may yield a more efficient and better overall system performance.

Keywords: Design for X (DfX), Optimisation, Conceptual design, Resource efficient vehicles, Early design phases

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