International Journal of Product Lifecycle Management
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International Journal of Product Lifecycle Management (5 papers in press)
Developing Innovative E-Mobility Solutions Photovoltaic Carports as Product Service Systems by Lucas Hüer, Oliver Thomas, Hans-Jürgen Pfisterer Abstract: Providing consumers with photovoltaic carports can be a promising and feasible way of combining private charging stations with decentralised renewable energy sources, thereby promoting electric mobility. However, the high level of technology and the connectivity of all parts of the system require a range of accessible services. Therefore, the production and sale of photovoltaic carports as product service systems is considered a promising business model. To support companies that plan to offer photovoltaic carports and additional services as holistic systems, this article analyses the whole lifecycle of such a product service system by combining research results from existing scientific literature with recent market trends that were obtained through a secondary desk research. The results serve as a foundation for creating new business models when producing and selling photovoltaic carports. Keywords: Product Service System; PSS Lifecycle Management; Photovoltaic Carport; Electric Mobility; Charging Infrastructure; Energy Creation; Energy Storage; Carport Design.
Investigation of the opportunities in reducing lifecycle cost of boats: Case study for structural components of Samanala boats used in Sri Lanka by Tenis Ranjan Munaweera Thanthirige, Udayanga Indunil Kumara Galappaththi Abstract: This study is focused to assess the lifecycle cost (LCC) of structural components of the Samanala boat used in Sri Lanka in order to identify the opportunities in reducing LCC contributions at different stages of lifecycle in boat structures. The research methodology was mainly based on survey data and research literature. The lifecycle cost analysis (LCCA) was conducted in four phases, which include design, production, utilization and disposal. It was identified that the LCC distribution in design, production, utilization and disposal phases were 0.70%, 4.27%, 94.89% and 0.14% respectively. According to the survey data, the utilization phase had significant accountability for the LCC of boats. Furthermore, it was also identified that the utilization cost of the boats could be reduced by improving existing design practices, by adopting advanced manufacturing technologies and educating boat operators to manoeuvre boats efficiently. In this context, it was concluded that, although the contribution of design, production and disposal phases for the total LCC is approximately 5%, the efficiency improvement of design and production phases will contribute approximately 16.63% of significant LCC reduction in the utilization phase mainly by weight reduction of structural components of boats. Consequently, it can be highly recommended to use advanced composite manufacturing techniques, specially vacuum assisted resin transfer moulding (VARTM) for boat manufacturing which aid for weight reduction and subsequently affects for reducing the LCC of boats. Keywords: Lifecycle cost; boat manufacturing; hand layup technique.
Barriers to Reuse of Codified Engineering Knowledge in Product Development A Literature Review by Daniel Stenholm, Dag Bergsjö Abstract: Organizations have for a long time been applying a codification strategy, to build and reuse engineering knowledge throughout product development and the product lifecycle. Billions of dollars have been invested in systems to support knowledge capture, including investments in IT systems and upgrades to PDM/PLM systems to support knowledge codification (documentation) and reuse. Nonetheless, research has shown that knowledge documentation is not used to the extent possible and quality issues within products that should be avoided still occur. Accordingly, the purpose of this paper is to review barriers that hinder valuable and effective codified knowledge reuse inside high technology product development companies. rnThe study resulted in the identification of 18 barriers mapped into the typology of people, organization and technology. The study contributes by providing insights for the design and implementation of Knowledge Management Systems (KMS) allowing practitioners to develop strategies to overcome identified potential barriers and improve the engineering knowledge reuse strategy. The paper is also rounded up with a discussion regarding the KMS relation and potential integration with a PDM or PLM system. Keywords: Knowledge management; Product Lifecycle Management; barriers to knowledge reuse; knowledge reuse; knowledge transfer; codified knowledge; organizational learning.
Uncertainty of data and the digital twin: a review by Jose Rios, Georg Staudter, Moritz Weber, Reiner Anderl, Alain Bernard Abstract: The digital twin (DT) incorporates measured data from the physical domain to create as-built or as-manufactured and as-operated product models. To have a better understanding of the implications of creating a DT, the objective of this work is to provide a holistic review of the transfer of uncertainty of measured data from the physical domain to the digital one and vice versa. The work is based on the review of a selected group of publications. The emphasis is on the as-built or as-manufactured 3D models. Literature highlights that uncertainty of measured data and of reconstructed 3D geometric models are frequently unknown. The showed uncertainty values refer to works dealing with dimensional measurement data. When comparing the uncertainty ranges for different geometric data capture techniques against the international tolerance (IT) grades, it can be observed that the critical zone lies mainly below IT8. Since international standards are fundamental in transferring data and in achieving the interoperability of the product models, three main groups of standards were reviewed to analyse how the uncertainty of data is represented. It is concluded that all the reviewed standards provide a mechanism to represent uncertainty of measured data. However, a semantic harmonization of the uncertainty representation would contribute to achieving the digital thread and make explicit the uncertainty of data. Keywords: uncertainty; digital twin; reconstructed 3D model; as-manufactured; data transfer standards.
Designing supplier networks in global product development by Margherita Pero, Monica Rossi, Jinou Xu, Roberto Cigolini Abstract: The ability to coordinate geographically dispersed supplier networks are vital for firms to successfully manage Global Product Development (GPD). Whilst some interactions between suppliers during GPD have been observed to increase GPD performance, research effort has been primarily addressed to investigate buyer-supplier relationships. Therefore, this paper aims to explore the possible supplier network configurations in GPD and the contextual factors that influence the adoption of the different supplier network configurations. Based on the evidence from 17 case studies, a taxonomy of supplier network configurations in GPD, specified as supplier localization and nature of the relationship between suppliers, has been empirically validated. Moreover, results reveal that collaboration between Research and Development units (R&D), modular product design and larger firm size help to establish cooperation between globally dispersed suppliers. Keywords: supplier network; supplier-supplier relationship; global product development; new product development; supplier involvement.