Enterprises now face a global, dynamic, and unpredictable economic environment. In response to quick changes of the demand, the production needs to have the ability to adapt rapidly to meet the ...production requirements. The Reconfigurable Manufacturing System (RMS) paradigm enables such capabilities. However, defining design and reconfiguration rules is highly challenging, as it requires a broad knowledge encompassing the inclusion of technological, production, and economic metrics, as well as an understanding of a reconfiguration strategy, determining the necessary reconfiguration frequency of the system. For now, no global methodology taking all those aspects into account has been proposed. This article presents an original framework for the design, evaluation, and reconfiguration of the Reconfigurable Production System (RPS). New metrics to measure reconfigurability are defined. The design approach consists in three main steps which are individually developed. The selection of the appropriated production system is based on the comparison of reconfigurability and productivity indicators. Finally, the reconfiguration strategy is presented. The methodology is applied on a case study from the automotive industry.
Over the past 70 years, product design has undergone many important changes due to the impact of contemporary digital technologies (i.e. digital design).
To support digital design and information ...flow throughout the product lifecycle, the digital-driven technologies currently in use rely on the evolution of CAD and PLM systems to address new design and manufacturing challenges generated by the new era of 4.0 digital transformation.
This paper will discuss the past and present coevolution and shortcomings within industrial organisations, the digital technologies employed in the product development cycle and will illustrate the current challenges and future prospects of the digital thread for design.
•Proposing a meta-model of collaborative processes.•Proposing a tooled methodology for collaborations’ performance evaluation based on the concept of interoperability.•Evaluation of technical and ...conceptual interoperability in pair-wise collaborations.•Application of OCL constraints in the technical interoperability evaluation.•Application of a new tool, EMF Compare, in the conceptual interoperability evaluation.
A design process, whether for a product or for a service, is composed of a large number of activities connected by data and information exchanges. The quality of these exchanges, called in this paper collaboration, requires the ability to exchange useful, understandable and unambiguous data and information to the different designers involved. In this paper, a global framework is first set for process/product performance management. Then, the research question focuses on the definition and evaluation of the performance of collaborations, and by extension, of the design process in its entirety. This performance evaluation requires the definition of several key elements such as object to evaluate, the performance criteria, indicators and action variables. In order to define the object of evaluation, this paper relies on a literature study on collaboration resulting in an ECORE meta-model of collaborative processes. The collaboration performance measurement is for its part based on the concept of interoperability. This measure estimates the technical and conceptual interoperability of the different pairwise collaborations. The paper is concluded by proposing a tooled methodology for collaborations’ performance evaluation including two main phases: process modeling and interoperability measurement. Tooling is provided through the Eclipse Modeling Framework (EMF) using its (meta-) model edition, constraint validation and model comparison features. The applicability of the methodology is also illustrated using a case study in design.
This open access book gathers contributions presented at the International Joint Conference on Mechanics, Design Engineering and Advanced Manufacturing (JCM 2020), held as a web conference on June ...2–4, 2020. It reports on cutting-edge topics in product design and manufacturing, such as industrial methods for integrated product and process design; innovative design; and computer-aided design. Further topics covered include virtual simulation and reverse engineering; additive manufacturing; product manufacturing; engineering methods in medicine and education; representation techniques; and nautical, aeronautics and aerospace design and modeling. The book is organized into four main parts, reflecting the focus and primary themes of the conference. The contributions presented here not only provide researchers, engineers and experts in a range of industrial engineering subfields with extensive information to support their daily work; they are also intended to stimulate new research directions, advanced applications of the methods discussed and future interdisciplinary collaborations.
System innovation for sustainability requires innovation in corporate governance. Social, ecological, economic, territorial and governance dimensions of sustainability are explored and a set of ...sustainability principles are integrated into a governance maturity grid. This grid enables both the assessment and the improvement of current strategic and operational practices regarding sustainability. It has been implemented in two industrial companies. As a result, it promotes senior management's reflection on their current strategies regarding value creation systems, and supports them in the definition of their sustainable strategies and the means of achieving them. This study is designed for businesses and presents a tool under development to support organizational innovation for system sustainability.
•Governance and competitiveness principles are added to the socio-ecological principles for sustainability from the FSSD.•Corporate governance and intangible capital are considered as levers for integrating sustainability into businesses.•A maturity grid is designed to support sustainability integration in companies and support organizational innovation.
•Development of a decision-support tool for innovative electrical microgrid design.•Microgrid design with technological and management parameters.•Physical modelling of conversion and storage ...technologies and sequential simulation.•Multi-objective non-weighted optimization with NSGA-II genetic algorithm.•Variety of compromises between economic, technical and environmental indicators.
Centralized electrical networks induce a dependency of local territories for their power supply. However, thanks to microgrids, territories can increase their decision-making autonomy to design a network that matches their values. Technological and management choices are critical to minimize microgrids negative impacts on their environment. Influence of the latter on the design space is rarely discussed whereas extending the design space would help to find innovative microgrids. The purpose of this paper is to find several microgrids with various performances and parameters that are compromises between economic, technical and environmental objectives. The solutions’ variety therefore extends the decision-makers’ design space. A tool has been developed to answer this goal. Design parameters are both technological and management parameters. A physical modelling is implemented in a sequential simulation of the microgrid operation. The performance of the simulation allows to use genetic algorithms to perform multi-objective non-weighted optimizations. Two two-objective optimizations are performed. Results show how the solutions’ diversity in terms of performances and parameters helps the user choosing innovative microgrids. Especially, it underlines the potential of this approach to find microgrids with close performances but different parameters.
This article proposes a Blade Element Momentum (BEM) theory based model applied to dual rotors wind turbines. Dual rotor wind turbines studied consist of two rotors mounted coaxially to recover the ...flow from the first rotor. These rotors can turn in the same (co-rotating) or in opposite directions (counter-rotating). The aim of the model is to be fast, accurate and configurable in order to be used as design tool or for optimization purposes. The model considers axial and tangential induction influences of the first rotor on the second one and the influence of the distance between them. The model has been validated by comparison with experimental data from the literature and shows that the counter-rotating configuration has a power coefficient 4.6% higher than the co-rotating for the same turbine geometrical setting. Besides, in our case study, the counter-rotating power coefficient can be in average on different wind speeds 10.6% higher compare to the single rotor.
•Development of a Blade Element Momentum method for dual-rotor configuration.•Highlighting the effect of rotational direction of the downwind rotor in the global performances.•Comparison of performances between a single rotor wind turbine and dual-rotor wind turbine.
Over the last decades, concurrent engineering and design for X approaches have introduced knowledge-based decision supports, analysis methods and feature-based modelling techniques to deliver ...designed solutions ready for specific lifecycle purposes. However, to cover the emerging knowledge synthesis issue in engineering design, the underlying 3D representations need to be better understood and chained. This paper aims at developing original multi-representation and multi-scale CAD models to integrate properly knowledge in their most suitable form. Reconciliation mechanisms can be set up to validate semantic continuity of the geometric models and to justify the knowledge structuring the design solutions space.
Facing globalization, territorial competitiveness is considered by (French) public policy makers as promising both economic and social value creation locally. Companies consider territorial ...specificities when selecting a location (e.g. low production costs, highly qualified labor pool) in a utilitarian perspective. This research proposes encouraging companies to consider territory as a value creation network where exploitable resources flow. The proposal presented in this paper is to integrate these latent territorial resources into the product development process to create value for both the company and its territory in a sustainable perspective. The literature review highlights that current eco design practices have great impact on territories, but that this dimension is not considered in terms of resources. Moreover, current assessment practices are not adapted to overall performance evaluation and need revision to meet the system innovation goal. After clarifying the concept of territory, two industrial cases are provided to analyze how territorial resources were included in the design process and how it improved the overall performance of the company-territory system. From the success factors emerging from literature and cases, a method to release the potential of territorial resources is presented. A revised strategic process dedicated to senior management is proposed as the enabler of system innovation with the intention of improving the design of sustainable products. This paper concludes with the necessary cultural evolution that every stakeholder in the value network must undergo to promote territorial values in a sustainable perspective. This study contributes to the emerging discipline of design for local value creation.
•Territorial resource integration into the PDP enables global performance improvement of the company and its territory.•Designers are the integrators of these new tangible and intangible resources but support functions are mandatory.•Strategic and operational governance has to be improved to support this integration.
Engineering design is a model-based activity which describes the product's multiple perspectives. With process model, we can also lead concurrent engineering activities. Both product and process ...models have been largely investigated. This paper aims at describing knowledge-based heterogeneous models chained to trace the design rationale that is the fundamental requirement to afford changes management. This knowledge chain supports the progressive by least commitment convergence of the space of design solutions. This rationale allows designers to go back and forth in the decision-making process. Moreover, the progressive convergence increases the possibilities for designers to integrate new knowledge towards innovation.
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