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Extended target weighing approach - Identification of lightweight design potential for new product generations

Extended target weighing approach - Identification of lightweight design potential for new product generations

Year: 2017

Section: Design Methods and Tools

Editor: Anja Maier, Stanko Škec, Harrison Kim, Michael Kokkolaras, Josef Oehmen, Georges Fadel, Filippo Salustri, Mike Van der Loos

Author: Albers, Albert; Revfi, Sven; Spadinger, Markus

Series: ICED

Institution: Karlsruhe Institute of Technology (KIT), Germany

Section: Design Methods and Tools

Pages: 367-376

ISBN: 978-1-904670-92-6

ISSN: 2220-4342

Abstract

In the development process of vehicles, especially electric vehicles, lightweight design becomes more and more important. Lightweight design efforts often result in increasing costs of a product and are thus mainly reserved for vehicles in the premium sector. The presented paper suggests the extension of the Target Weighing Approach, which was proposed to match mass and function, based on the systematic approaches of target costing and value engineering. This approach allows the identification of where the most promising weight reductions could be achieved. The Extended Target Weighing Approach includes a new methodical procedure which allows to analyse systems existing of only one single component by matching the functions to their functional areas. Furthermore, the analysis of potential of the current product generation and new concepts for the next product generation are extended by the dimensions CO2 footprint and costs. Additionally, a method to evaluate the uncertainties related to new concepts is proposed.

Keywords: Conceptual design, Early design phases, Design methods, Lightweight design, Target Weighing

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