Call For Papers: Special Issue on Design of Engineered Materials and Structures
Special Section on Designing for Additive Manufacturing Now Available Online in October 2017 Issue
JMD Welcomes Mohsen Kolivand, Mian Li, and Paul Witherell to the Editorial Board
JMD Announces Editors' Choice Paper Awards for the years: 2014, 2015, and 2016
Featured Articles Editor: Scott Ferguson
Additive Manufacturing-Enabled Part Count Reduction: A Lifecycle Perspective
Sheng Yang, Yaoyao Fiona Zhao
Part count reduction (PCR) is one motivation for using additive manufacturing (AM) processes. PCR helps simplify product structure, eliminate auxiliary connecters, and reduce assembly difficulties and cost. However, PCR may also increase manufacturing difficulty and the irreplaceability of failed subcomponents. This paper presents a pioneering investigation of how AM-enabled PCR (AM-PCR) impacts lifecycle activities. A new set of design rules and principles are proposed for PCR that lead to lowered cost and enhanced performance. Read more...
Automatic Enumeration of Feasible Kinematic Diagrams for Split Hybrid Configurations With a Single Planetary Gear
Tounadher Barhoumi, Dongsuk Kum
Power-split hybrid electric vehicles embody two electric machines in addition to the internal combustion engine, and it employs one or more planetary gear sets (PG) while disposing of the transmission. Most of the prior studies on the design of power-split hybrids focused on finding optimal powertrain configurations, which are configurations specifying the components connections. However, a selected powertrain configuration cannot be physically realized as it does not specify the components arrangements in three dimensional space. Read more...
Cyber-Empathic Design: A Data-Driven Framework for Product Design
Dipanjan Ghosh, Andrew Olewnik, Kemper Lewis, Junghan Kim, and Arun Lakshmanan
Understanding consumer perceptions of products and the potential impact of those perceptions on purchase decisions is critical information that should influence product development decisions. Though firms often seek consumer feedback on products, such feedback often occurs long after product use and lacks specific details about the interaction, usage context, etc. This work introduces a novel framework – Cyber-Empathic Design – that integrates sensor data and real-time user feedback to develop a more accurate model of user perceptions. Read more...
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