Bernard Yannou

CentraleSupélec | ECP · Laboratory of Industrial Engineering (LGI) - EA 2606

The Dependency Structure Modelling Value Bucket (DSM-VB) tool is integrated into Radical Innovation Design (RID) methodology in order to explore the front end of innovation in need seeker mode. The determination of innovation opportunities, here called value buckets, has been automated by matrix representations of dependencies between problems or p...

A great deal of work has been done to characterize entire sets of ideation indicators as well as isolated factors of innovativeness. Nevertheless, entire sets of innovativeness indicators are essential in business innovation competitions, as well as within companies in order to select promising innovation seeds. In this paper, a complete set of inn...

Usefulness, from the utilitarianism perspective, is the ability of a product or service to improve the well-being of humans and to minimize their suffering in different situations. In the case of the widespread issue of falls among the elderly, designing an adapted solution to is not an obvious task. The latter requires quantifying various usage sc...

Occupants’ behavior exerts a significant influence on the energy performance of residential buildings. Industrial energy simulation tools often account for occupants’ as monolithic elements with standard averaged energy consumption profiles. Predictions yielded by these tools can thus deviate dramatically from reality. This paper proposes an activi...

Today, one of the major challenges in full-vehicle model creation is to get domain models from different experts while detecting any potential inconsistency problem before the IVVQ (Integration, Verification, Validation, and Qualification) phase. To overcome such challenges, Conceptual Design phase has been adapted to the current Model Development...

Future scenarios are intermediary artefacts for mid-and long-term design of complex solutions, e.g., to improve urban mobility systems. They allow designers to explore possible alternatives and incorporate uncertainty in the process. While their making is widely studied and implemented in scenario planning, their assessment got little attention. To...

Pour des systèmes complexes, la conception de solutions ayant un long temps de mise sur le marché ou une grande durée de vie est mise au défi par le manque de connaissances sur le futur. Nous présentons une méthode pour intégrer des tendances et incertitudes dans le processus de conception avec l’aide de la Simulation Multi-Agents (SMA). Nous l’avo...

Recent studies have advocated that digital technologies (DTs) positively affect the transition of a linear economy model to a circular economy (CE) model and facilitate enterprises in implementing circular strategies. Despite this general statement, the literature still overlooks how enterprises should apply various DTs of Industry 4.0 across the e...

У навчальному посібнику викладено теоретичні положення та методичні основи циркулярної економіки як альтернативи лінійній моделі. Зокрема, висвітлено зміст сучасної концепції нової моделі в контексті ієрархії ключових стратегій, наведено загальну характеристику наукових шкіл, викладено основні методи вимірювання прогресу циркулярної економіки, окре...

Critical literature review coupled with conceptual analysis provides a holistic framework for measuring a product's circularity performance based on its integrated contribution to the operationalization of various configurations of circular economy (CE) strategies. The following main results were obtained. First, we outline the "Сlosing-Slowing and...

Futures studies concepts are complex and challenging to communicate and elaborate on. Visual artefacts exist to aid this process. Variants of futures cones, plausibility cones, or cones of possibilities are most common. Yet, the is a lack of scientific discussion and consistency. A review of what does exist can lead to a more coherent communication...

Life cycle assessment (LCA) is a standardized methodology to quantify the environmental footprint of products, processes, and systems. While LCA is an internationally accepted tool to highlight environmental hotspots, it lacks in providing concrete guidance to practitioners (e.g., product designers, material engineers, industrial managers) to reduc...

Deploying the right circularity indicators (c-indicators) is key to assessing and improving the performance of products, companies, and regions from a circular economy (CE) perspective. Building on the initial taxonomy of c-indicators, this project extends the identification of sets of c-indicators to more than 100. Working with a think tank of CE...

https://www.tandfonline.com/doi/full/10.1080/21650349.2022.2021480

Online product reviews are a valuable resource for product developers to improve the design of their products. Yet, the potential value of customer feedback to improve the sustainability performance of products is still to be exploited. The present paper investigates and analyzes Amazon product reviews to bring new light on the following question:...

The increasing number of product reviews posted online is a gold mine for designers to know better about the products they develop, by capturing the voice of customers, and to improve these products accordingly. In the meantime, product design and development have an essential role in creating a more sustainable future. With the recent advance of a...

Empowering sustainable urban futures is a key task for practitioners and policymakers alike. A focus lies today on co-creative practices to represent stakeholders' interests and encourage inclusivity and sustainability. Nevertheless, the multitude of associated concepts and tools complicates the realisation thereof. Thus, we present a taxonomy that...

While the COVID-19 pandemic has led to many disruptions in industrial value chains, the adoption of circular economy (CE) principles appears to be a commendable solution for more robust, resilient, and sustainable industrial supply chains. In this study, the standpoints and visions of two consecutive classes of engineering students – following the...

The increasing number of product reviews posted online is a gold mine for designers to know better about the products they develop, by capturing the voice of customers, and to improve these products accordingly. In the meantime, product design and development have an essential role in creating a more sustainable future. With the recent advance of a...

Online product reviews are a valuable resource for product developers to improve the design of their products. Yet, the potential value of customer feedback to improve the sustainability performance of products is still to be exploited. The present paper investigates and analyzes Amazon product reviews to bring new light on the following question:...

Most services and products are designed in response to the needs, desires or expectations of humans. A variety of methodologies grouped by the term Human-Centred Design (HCD) have been deployed to formalise and improve this process, ranging from user-centred to participatory practices. However, the approaches’ consideration is primarily limited to...

A refrigerant system (like that of a supermarket) is a complex system if we consider all the stakeholders throughout its lifecycle phases (use, maintenance, technological update, end of life). The lack of stakeholders' interaction during the design and other lifecycle stages of such a system generates issues and leads to sub-optimal system performa...

Due to recent technological advancements, automation and autonomous solutions are gaining increasing popularity. Yet, a lack of in-depth investigations is noticed on the potential environmental benefits and economic repercussions of implementing autonomous systems. The present study aims to fill part of this gap by quantifying the environmental and...

Implementing circular economy (CE) practices can lead to both environmental savings and competitive advantages for companies. While transitioning from a linear production system to a closed-loop system is not straightforward, adequate methodology and tools can support industrialists in this sustainable shift. This paper proposes a multi-tool approa...

Serious games (SGs) are motivational and practical pedagogical tools that have been widely used in design education. SGs seem to be an efficient way to give instructions on innovation processes (IPs), offering unique and attractive environments to support situated learning. While there has been much interest in SGs of the IPs type, there is very li...

While autonomous machines are considered as a new opportunity to augment safety, reliability, productivity, and efficiency, the actual environmental and economic sustainability performances of many autonomous systems remain yet to be quantified. The present research aims to fill part of this gap by evaluating the life cycle impact and cost of auton...

Combining new insights from both bibliometric and text mining analyses, with prior relevant research conversations on circular economy (CE) and industrial ecology (IE), this paper aims to clarify the recent development trends and relations between these concepts, including their representations and applications. On this basis, discussions are made...

Autonomous systems - such as self-driven tractors, cars, autonomous lawnmowers, or vacuum cleaner - seem to become increasingly attractive and operationally efficient. Yet, the environmental, economic, and social impacts of implementing autonomous solutions, as a substitution to conventional human-operated ones, still need to be quantitatively inve...

Combining new insights from both bibliometric and text mining analyses, with prior relevant research conversations on circular economy (CE) and industrial ecology (IE), this paper aims to clarify the recent development trends and relations between these concepts, including their representations and applications. On this basis, discussions are made...

Brought by the need for competent approaches to assess the financial cost and environmental impact towards service design-for-cost-and-environment, this paper investigates on the following service representation approaches: Service Blueprinting, Process Chain Network, Business Process Model & Notation, and Customer Journey Mapping. An ontological a...

This paper investigates and questions the relevance of product-centric circularity indicators in a product design context. To do so, reviews of eco-design tools and critical analyses of circularity indicators at the micro level of circular economy implementation are combined with a new workshop experimenting four of these indicators with the aim to...

Ecodesign has gained significant traction in recent years ranging from academic research to business applications at a global scale. Initial emphasis on the environmental aspect of design has evolved to include economic and social aspects, with projects ranging from small-scale products to large-scale industrial systems. In this paper, the authors...

To date, a limited number of in-depth case studies addressing the end-of-life management of heavy vehicles has been reported in the scientific literature. An action research approach is conducted in collaboration with an emerging international remanufacturing center of heavy handling machines to bring a contribution to this gap in a circular econom...

This research set out to identify and structure from online reviews the words and expressions related to customers' likes and dislikes to guide product development. Previous methods were mainly focused on product features. However, reviewers express their preference not only on product features. In this paper, based on an extensive literature revie...

Customers post online reviews at any time. With the timestamp of online reviews, they can be regarded as a flow of information. With this characteristic, designers can capture the changes in customer feedback to help set up product improvement strategies. Here we propose an approach for capturing changes of user expectation on product affordances b...

This study provides insight into traveler-related attributes affecting the choice of future autonomous vehicles (AVs) and explores the importance of integrating those attributes into agent-based simulations and service optimization assessments. For this purpose, an online survey was carried out to collect data on travelers of the greater Paris regi...

Nowadays, refrigeration is responsible for approximately 17% of the total electricity used worldwide and around 8% of greenhouse gas emissions. Since the Kyoto Protocols, refrigerants are subject to new regulations which represents a major challenge for the refrigeration industry. Almost half of the energy used in food retail is for cold production...

Feature of the article "Closing the loop on platinum from catalytic converters: Contributions from material flow analysis and circularity indicators" (Journal of Industrial Ecology, 23(5), 1143-1158) in Science for Environment Policy, European Commission DG Environment News Alert Service.

Around 40% of the platinum used in EU catalytic converters is not recovered for recycling and is therefore ‘lost’ forever, indicates a new study. A more circular economy for platinum is essential to reduce imports of this critical raw material to the EU and minimise its damaging effects on the environment, the researchers argue. Better collection s...

Taking into consideration all the life cycle of a product is now an important step in the design of a product or a technology. Despite the improvement in refrigerant regulation, the environmental impacts of refrigeration systems remain important and need to be improved. In this paper, the environmental impacts of refrigeration systems in a typical...

This research set out to identify and structure the words and expressions related to customers’ likes and dislikes found in online reviews on order to guide product development. Previous methods have mainly focused on product features, yet reviewers express preferences on much more. Here we build on an extensive review of the design science literat...

Designers improve urban mobility solutions by investigating archetypal usage problems in existing mobility systems. User-cantered design methods help accomplish this task, but lack effectiveness when not supported by appropriate tools. Here we posit that the use of a traveller-centred stimulus improves the effectiveness of travel problem generation...

In response to the growing development of a wide variety of circularity indicators (c-indicators), a taxonomy has been developed to gain clarity about their focuses, purposes and possible usages (e.g., benchmarking several circular economy business models, comparing two product designs on their potential circularity performance). The advisor linked...

The purpose of this paper is to develop and discuss a framework aiming at monitoring and optimizing the circularity performance of products for ensuring and facilitating green profit design trade-offs whilst meeting or anticipating end-of-life regulations during the design and development process of industrial products. The proposed framework is us...

One of the main tasks of today's data-driven design is to learn customers' concerns from the feedback data posted on the internet, to drive smarter and more profitable decisions during product development. Feature-based opinion mining was first performed by the computer and design scientists to analyse online product reviews. In order to provide mo...

Monitoring properly the circularity performance of technical products is a point of increasing importance. Yet, evaluating the circularity potential of products during (re)design and development phases is a challenging task. In this study, several C-indicators are experienced by doctoral students and industrialists through two workshops on a real-w...

Societies are challenged worldwide to maintain or improve the life of an ageing population. In the meantime, it is an opportunity for businesses to develop products and services for the elderly. Participatory design - or co-design - promotes not only to design for, but also with and by older adults. Current studies tend to emphasize more field inve...

In a context of transition towards a more circular economy (CE), this study undertakes an analysis of the appropriate transfers and applications of best managerial practices, regulations, and know-how from the automotive sector to the heavy vehicle one, as well as from the European Union (EU) to the United States of America (U.S.), and vice versa....

Serious games (SGs) as a new educational format have gained interest among many scholars from diverse fields. SGs seem to be useful tools for teaching innovation processes (IP) as they guarantee intrinsic motivation and provide situated learning. So far, there is no guideline on designing IP games and lowering their development time while ensuring...

Design space exploration (DSE) describes the systematic activity of discovery and evaluation of the elements in a design space in order to identify optimal solutions by reducing the design space to an area of performance. Designers sample thousands of design points iteratively, explore the design space, gain knowledge about the problem and make des...

This supporting information provides details of the model design, simulation, and feedback from technical experts on the leakage of platinum during the use phase of catalytic converters.

In this study, material flow analysis (MFA) is applied to quantify and reduce the obstacles for advancing a circular economy (CE) of platinum (Pt) from catalytic converters (CC) in Europe. First, the value chain and related stakeholders are mapped out in an MFA‐like model to both facilitate the assessment of stocks and flows, and get a comprehensiv...

Travelers interact with a large number and variety of products and services during their journeys. The quality of a travel experience depends on a whole urban mobility system considered in space and time. This paper outlines the relevant concepts to be considered in designing urban mobility. The goal is to provide a language and insights for the ea...

Être capable de mesurer, améliorer et piloter la performance de circularité des produits industriels est d’importance capitale dans une période de transition vers des pratiques industrielles plus circulaires, en phase avec les objectifs du développement durable. Toutefois, sans définition stabilisée de l’économie circulaire, le nombre d’indicateurs...

Customers post online reviews at any time. With the timestamp of online reviews, they can be regarded as a flow of information. With this characteristic, designers can capture the changes in customer feedback to help set up product improvement strategies. Here, we propose an approach for capturing changes in user expectation on product affordances...

Implementing circular economy (CE) principles is increasingly recommended as a convenient solution to meet the goals of sustainable development. New tools are required to support practitioners, decision-makers and policy-makers towards more CE practices, as well as to monitor the effects of CE adoption. Worldwide, academics, industrialists and poli...

Customers post online reviews at any time. With the timestamp of online reviews, they can be regarded as a flow of information. With this characteristic, designers can capture the changes in customer feedback to help set up product improvement strategies. Here we propose an approach for capturing changes of user expectation on product affordances b...

Implementing circular economy (CE) principles is increasingly recommended as a convenient solution to meet the goals of sustainable development. New tools are required to support practitioners, decision-makers and policy-makers towards more CE practices, as well as to monitor the effects of CE adoption. Worldwide, academics, industrialists and poli...

The residential building is a major energy consumer and pollution source worldwide. The shift towards constructing energy-efficient buildings is impelling higher performance. In sustainable building, occupants become a major source of uncertainty in energy consumption. Yet, energy simulation tools often account for occupant behaviour through predef...

There has been rising interest in confronting formal models of design with practical design methods, in order to understand better both and to explore how they can improve each other. In this article, we try to map the Radical Innovation Design (RID) methodology in Gero’s Function-Behavior-Structure (FBS) framework. We encounter difficulties in doi...

Experimentation and validation tests, in the context of technology startups, are often costly, time-consuming, and, above all, not well organized. A review of the literature shows that existing tools and methods are either oriented towards lean iterative tests or strongly focused on technology improvement. There is therefore a gap to bridge by prov...

Over 50 sets of circularity indicators – created and used by academia, consulting companies and governmental agencies worldwide – have been reviewed and classified into a need-based taxonomy driven by the usage of such indicators. A query tool associated to the proposed taxonomy databank – using MS Excel with macros – has been designed to help iden...

With 270 million light vehicles and 20 million heavy-duty and off-road (HDOR) vehicles in use in the European Union, automotive and HDOR industries are two major sectors in the European economy. Each year, 12 million light vehicles plus 1 million HDOR vehicles reach their end-of-life. In a context of circular economy, following questions are of gro...