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Dr. Steven Hoffenson
Stevens Institute of Technology

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Research Keywords & Expertise

0 Engineering Design
0 Sustainable Design
0 Systems Thinking
0 Multidisciplinary Optimization
0 Design for Market Systems

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Engineering Design
Sustainable Design
Systems Thinking
Multidisciplinary Optimization
Design for Market Systems

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Short Biography

I am currently an Assistant Professor in the School of Systems & Enterprises at Stevens Institute of Technology in Hoboken, New Jersey, where I direct the Design SPACE Lab. My research looks into the ways that people design products, drawing from different disciplines to understand product development and design optimization as a multi-stakeholder system that accounts for how designers’ decisions interact with those of consumers, corporate leaders, and policy-makers.

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Journal article
Published: 04 December 2020 in Journal of Cleaner Production
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Manufacturing plays a major role in the economic and social development of society, yet this often comes at a high environmental cost. Despite great advances in our understanding of sustainability issues and solutions developed to tackle this challenge, current production and consumption models are still largely unsustainable. Strong industrial actions are required to move towards safer and cleaner practices respectful of the planetary boundaries. This paper puts forward a novel approach for top and middle management in manufacturing companies to build capabilities for sustainable manufacturing by assessing their organisational sustainability readiness. The proposed model and tool for organisational sustainability readiness were developed based on themes emerging from empirical data collected via interviews and focus groups in six companies. The resulting themes were consolidated and validated with relevant literature to create four levels of readiness, displaying a crescendo of operations management practices on the shop floor that positively affect sustainability performance. Finally, an industrial application was used to further validate the tool and demonstrate how it can help companies develop a roadmap for a more sustainable manufacturing industry.

ACS Style

Ilaria Barletta; Mélanie Despeisse; Steven Hoffenson; Björn Johansson. Organisational sustainability readiness: A model and assessment tool for manufacturing companies. Journal of Cleaner Production 2020, 284, 125404 .

AMA Style

Ilaria Barletta, Mélanie Despeisse, Steven Hoffenson, Björn Johansson. Organisational sustainability readiness: A model and assessment tool for manufacturing companies. Journal of Cleaner Production. 2020; 284 ():125404.

Chicago/Turabian Style

Ilaria Barletta; Mélanie Despeisse; Steven Hoffenson; Björn Johansson. 2020. "Organisational sustainability readiness: A model and assessment tool for manufacturing companies." Journal of Cleaner Production 284, no. : 125404.

Journal article
Published: 03 October 2020 in Sustainability
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Sustainable design methods and tools abound, but their implementation in practice remains marginal. This article brings together results from previous literature reviews and analyses of sustainable design methods and tools, as well as input from design researchers and professional practitioners to identify the needs and gaps in the area. It results in a shared vision of how sustainable design methods and tools can be more tightly integrated into mainstream product design and development, as well as the current state of practice and research in relation to four central questions: What are the needs and values of industry regarding sustainable design? What improvements in sustainable design methods and tools would most drive industry forward? How should researchers move forward with developing more useful sustainable design methods and tools? How can sustainable design be more effectively integrated into industry? A roadmap for the international sustainable design research community is proposed with descriptions of short-, medium-, and long-term tasks for addressing each question. The purpose is to support collective progress and discussions on method and tool development and adoption, and to enable more tangible success in mainstreaming sustainable design practices in industry.

ACS Style

Jeremy Faludi; Steven Hoffenson; Sze Yin Kwok; Michael Saidani; Sophie I. Hallstedt; Cassandra Telenko; Victor Martinez. A Research Roadmap for Sustainable Design Methods and Tools. Sustainability 2020, 12, 8174 .

AMA Style

Jeremy Faludi, Steven Hoffenson, Sze Yin Kwok, Michael Saidani, Sophie I. Hallstedt, Cassandra Telenko, Victor Martinez. A Research Roadmap for Sustainable Design Methods and Tools. Sustainability. 2020; 12 (19):8174.

Chicago/Turabian Style

Jeremy Faludi; Steven Hoffenson; Sze Yin Kwok; Michael Saidani; Sophie I. Hallstedt; Cassandra Telenko; Victor Martinez. 2020. "A Research Roadmap for Sustainable Design Methods and Tools." Sustainability 12, no. 19: 8174.

Journal article
Published: 14 February 2020 in Designs
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Many different product development approaches are taught and used in engineering and management disciplines. These formalized design methods, processes, and environments differ in the types of projects for which they are relevant, the project components they include, and the support they provide users. This paper details a review of sixteen well-established product development approaches, the development of a decision support system to help designers and managers navigate these approaches, and the administration of a survey to gather subjective assessments and feedback from design experts. The included approaches—design thinking, systems thinking, total quality management, agile development, waterfall process, engineering design, spiral model, vee model, axiomatic design, value-driven design, decision-based design, lean manufacturing, six sigma, theory of constraints, scrum, and extreme programming—are categorized based on six criteria: complexity, guidance, phase, hardware or software applicability, values, and users. A decision support system referred to as the Product Development Approach Advisor (PD Advisor) is developed to aid designers in navigating these approaches and selecting an appropriate approach based on specific project needs. Next, a survey is conducted with design experts to gather feedback on the support system and the categorization of approaches and criteria. The survey results are compared to the original classification of approaches by the authors to validate and provide feedback on the PD Advisor. The findings highlight the value and limitations of the PD Advisor for product development practice and education, as well as the opportunities for future work.

ACS Style

Shelby Stewart; Jack Giambalvo; Julia Vance; Jeremy Faludi; Steven Hoffenson. A Product Development Approach Advisor for Navigating Common Design Methods, Processes, and Environments. Designs 2020, 4, 4 .

AMA Style

Shelby Stewart, Jack Giambalvo, Julia Vance, Jeremy Faludi, Steven Hoffenson. A Product Development Approach Advisor for Navigating Common Design Methods, Processes, and Environments. Designs. 2020; 4 (1):4.

Chicago/Turabian Style

Shelby Stewart; Jack Giambalvo; Julia Vance; Jeremy Faludi; Steven Hoffenson. 2020. "A Product Development Approach Advisor for Navigating Common Design Methods, Processes, and Environments." Designs 4, no. 1: 4.

Conference paper
Published: 01 April 2019 in 2019 IEEE International Systems Conference (SysCon)
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Supply chain management (SCM) is an integrative approach to managing the total flow of the industry from the supplier to the customer. This paper provides a comprehensive survey of the existing models in SCM for long lifecycle products. The paper first defines SCM based on the literature and then summarizes SCM methods in practice for products with longer product design cycles, including the aerospace, shipbuilding, and automobile industries. Further, the reviewed literature is categorized under seven different methods for SCM: the traditional approach, fuzzy approach, closed loop supply chain, economic impact, supplier risk, green approach, and sustainability approach. Based on the seven approaches for SCM, this paper highlights the main factors that were considered and compared between the aerospace, shipbuilding, and automobile industries.

ACS Style

Prasad Desai; Razieh Saremi; Steven Hoffenson; Carlo Lippizi. Agile and Affordable: A Survey of Supply Chain Management Methods in Long Lifecycle Products. 2019 IEEE International Systems Conference (SysCon) 2019, 1 -8.

AMA Style

Prasad Desai, Razieh Saremi, Steven Hoffenson, Carlo Lippizi. Agile and Affordable: A Survey of Supply Chain Management Methods in Long Lifecycle Products. 2019 IEEE International Systems Conference (SysCon). 2019; ():1-8.

Chicago/Turabian Style

Prasad Desai; Razieh Saremi; Steven Hoffenson; Carlo Lippizi. 2019. "Agile and Affordable: A Survey of Supply Chain Management Methods in Long Lifecycle Products." 2019 IEEE International Systems Conference (SysCon) , no. : 1-8.

Proceedings article
Published: 06 January 2019 in AIAA Scitech 2019 Forum
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ACS Style

Brian W. Chell; Steven Hoffenson; Mark R. Blackburn. A Comparison of Multidisciplinary Design Optimization Architectures with an Aircraft Case Study. AIAA Scitech 2019 Forum 2019, 1 .

AMA Style

Brian W. Chell, Steven Hoffenson, Mark R. Blackburn. A Comparison of Multidisciplinary Design Optimization Architectures with an Aircraft Case Study. AIAA Scitech 2019 Forum. 2019; ():1.

Chicago/Turabian Style

Brian W. Chell; Steven Hoffenson; Mark R. Blackburn. 2019. "A Comparison of Multidisciplinary Design Optimization Architectures with an Aircraft Case Study." AIAA Scitech 2019 Forum , no. : 1.

Conference paper
Published: 26 August 2018 in Volume 2A: 44th Design Automation Conference
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Electricity generation is a major source of air pollution, contributing to nearly one-third of the total greenhouse gas emissions in the United States. As with most goods, production must keep up with the projected consumer demand, and the industry is subject to government regulations at the federal, state, and local levels. This study models the New Jersey electric grid as a market system, using agent-based modeling to represent individual consumers and power companies making utility-maximizing decisions. Each consumer agent is prescribed a unique value function that includes factors such as income, energy intensity, and environmental sensitivity, and they are able to make decisions about how much energy they use and whether they opt into a renewable energy program. Power producers are modeled to keep up with demand and minimize their cost per unit of electricity produced, and they include options to prefer either on-demand or renewable energy sources. Using this model, different scenarios are examined with respect to producer strategy and government policy. The results provide a proof-of-concept for the modeling approach, and they reveal interesting trends about how the markets are expected to react under different scenarios.

ACS Style

Steven Hoffenson; Marcin Wisniowski. An Electricity Grid As an Agent-Based Market System: Exploring the Effects of Policy on Sustainability. Volume 2A: 44th Design Automation Conference 2018, 1 .

AMA Style

Steven Hoffenson, Marcin Wisniowski. An Electricity Grid As an Agent-Based Market System: Exploring the Effects of Policy on Sustainability. Volume 2A: 44th Design Automation Conference. 2018; ():1.

Chicago/Turabian Style

Steven Hoffenson; Marcin Wisniowski. 2018. "An Electricity Grid As an Agent-Based Market System: Exploring the Effects of Policy on Sustainability." Volume 2A: 44th Design Automation Conference , no. : 1.

Conference paper
Published: 10 May 2018 in 2017 ASEE Annual Conference & Exposition Proceedings
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ACS Style

Jack Giambalvo; Julia Vance; Steven Hoffenson. Toward A Decision Support Tool for Selecting Engineering Design Methodologies. 2017 ASEE Annual Conference & Exposition Proceedings 2018, 1 .

AMA Style

Jack Giambalvo, Julia Vance, Steven Hoffenson. Toward A Decision Support Tool for Selecting Engineering Design Methodologies. 2017 ASEE Annual Conference & Exposition Proceedings. 2018; ():1.

Chicago/Turabian Style

Jack Giambalvo; Julia Vance; Steven Hoffenson. 2018. "Toward A Decision Support Tool for Selecting Engineering Design Methodologies." 2017 ASEE Annual Conference & Exposition Proceedings , no. : 1.

Review article
Published: 23 March 2018 in Journal of Cleaner Production
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Environmental sustainability information in the manufacturing industry is not easily shared between stages in the product lifecycle. In particular, reliable manufacturing-related information for assessing the sustainability of a product is often unavailable at the design stage. Instead, designers rely on aggregated, often outdated information or make decisions by analogy (e.g., a similar manufacturing process for a similar product yielded X and Y results). However, smart manufacturing and the Internet of Things have potential to bridge the gap between design and manufacturing through data and knowledge sharing. This paper analyzes environmental sustainability assessment methods to enable more accurate decisions earlier in design. The techniques and methods are categorized based on the stage they apply to in the product lifecycle, as described by the Systems Integration of Manufacturing Applications (SIMA) reference architecture. Furthermore, opportunities for aligning standard data representation to promote sustainability assessment during design are identified.

ACS Style

Michael P. Brundage; William Z. Bernstein; Steven Hoffenson; Qing Chang; Hidetaka Nishi; Timothy Kliks; K.C. Morris. Analyzing environmental sustainability methods for use earlier in the product lifecycle. Journal of Cleaner Production 2018, 187, 877 -892.

AMA Style

Michael P. Brundage, William Z. Bernstein, Steven Hoffenson, Qing Chang, Hidetaka Nishi, Timothy Kliks, K.C. Morris. Analyzing environmental sustainability methods for use earlier in the product lifecycle. Journal of Cleaner Production. 2018; 187 ():877-892.

Chicago/Turabian Style

Michael P. Brundage; William Z. Bernstein; Steven Hoffenson; Qing Chang; Hidetaka Nishi; Timothy Kliks; K.C. Morris. 2018. "Analyzing environmental sustainability methods for use earlier in the product lifecycle." Journal of Cleaner Production 187, no. : 877-892.

Journal article
Published: 16 September 2017 in International Journal on Interactive Design and Manufacturing (IJIDeM)
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Designing aircraft engines is a complex process in which requirements from multiple disciplines need to be considered. Decisions about product geometry and tolerances to achieve optimized aerodynamics, product life and weight can affect the manufacturing process. Therefore, providing information to designers about process capabilities is necessary to support design exploration and analysis. In this paper, the authors propose the Welding Capability Assessment Method (WCAM) as a tool to support the systematic identification and assessment of design issues related to product geometry critical to the welding process. Within this method, a list of potential failure modes during welding is connected to specific design parameters. Once the critical design parameters have been identified, quantitative methods are proposed to calculate tolerances to reduce the likelihood of welding failures. The application of this method is demonstrated through an industrial case study where a combination of interviews and welding simulations is used to study the welding capability of a number of product geometries. This method represents an advancement from traditional qualitative guidelines and expert judgments about welding difficulties towards a more quantitative approach, supporting virtual design.

ACS Style

Julia Madrid; Anders Forslund; Rikard Söderberg; Kristina Wärmefjord; Steven Hoffenson; Johan Vallhagen; Petter Andersson. A Welding Capability Assessment Method (WCAM) to support multidisciplinary design of aircraft structures. International Journal on Interactive Design and Manufacturing (IJIDeM) 2017, 12, 833 -851.

AMA Style

Julia Madrid, Anders Forslund, Rikard Söderberg, Kristina Wärmefjord, Steven Hoffenson, Johan Vallhagen, Petter Andersson. A Welding Capability Assessment Method (WCAM) to support multidisciplinary design of aircraft structures. International Journal on Interactive Design and Manufacturing (IJIDeM). 2017; 12 (3):833-851.

Chicago/Turabian Style

Julia Madrid; Anders Forslund; Rikard Söderberg; Kristina Wärmefjord; Steven Hoffenson; Johan Vallhagen; Petter Andersson. 2017. "A Welding Capability Assessment Method (WCAM) to support multidisciplinary design of aircraft structures." International Journal on Interactive Design and Manufacturing (IJIDeM) 12, no. 3: 833-851.

Conference paper
Published: 06 August 2017 in Volume 1: 37th Computers and Information in Engineering Conference
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Improving design for market systems analysis relies on understanding the motivations and interactions among producers and consumers. Producers should theoretically develop their strategies for designing new products based on consumer demand and the expected profits from their sales. In this study, an agent-based modeling approach is proposed to simulate consumer and producer behavior for use in market systems analysis, and it is demonstrated through a simplified automobile market. In the model, consumers make heterogeneous purchasing decisions based on product attributes, which provides the producers with insights into their preferences and how to improve upon these design attributes over time. Emergent behavior of the model shows that analyzing the behavior of consumers provides the opportunity for producers to compete which one another with different strategies to improve their designs by investing in technology improvements. This lays the foundation for future work that can model how different business and regulatory strategies, social structures, and policies influence consumer and producer behavior, which in turn influences economic, environmental, and social impacts.

ACS Style

Amineh Zadbood; Steven Hoffenson. Agent-Based Modeling of Automobile Producer and Consumer Behavior to Support Design for Market Systems Analysis. Volume 1: 37th Computers and Information in Engineering Conference 2017, 1 .

AMA Style

Amineh Zadbood, Steven Hoffenson. Agent-Based Modeling of Automobile Producer and Consumer Behavior to Support Design for Market Systems Analysis. Volume 1: 37th Computers and Information in Engineering Conference. 2017; ():1.

Chicago/Turabian Style

Amineh Zadbood; Steven Hoffenson. 2017. "Agent-Based Modeling of Automobile Producer and Consumer Behavior to Support Design for Market Systems Analysis." Volume 1: 37th Computers and Information in Engineering Conference , no. : 1.

Conference paper
Published: 06 August 2017 in Volume 1: 37th Computers and Information in Engineering Conference
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In product design, there is often a disconnect between the engineers creating the product and the marketing team determining the best characteristics for the product. The decisions of engineers in designing a product, such as dimensions, materials, and tolerances, affect the look and feel of the product as seen by the consumer. This paper presents a methodology for creating a simulation to demonstrate basic relationships between product design decisions and the predicted success of the product in the market. An agent-based model is used to simulate the interactions among producers and consumers in a market system, using analysis techniques from engineering, economics, and psychology. The effects of design variables on product attributes influence the cost and consumer utility of the product, which, along with price, affect market dynamics. The goal of creating this model is for use in design curricula to introduce the concept of market-driven product design and allow student design teams to assess the impacts of different design variables on the market success of a product. The model has been introduced in an undergraduate engineering design class to explore its effectiveness in teaching market-driven design.

ACS Style

Brendan E. Fay; Steven Hoffenson. An Agent-Based Market System Simulation for Design Education. Volume 1: 37th Computers and Information in Engineering Conference 2017, 1 .

AMA Style

Brendan E. Fay, Steven Hoffenson. An Agent-Based Market System Simulation for Design Education. Volume 1: 37th Computers and Information in Engineering Conference. 2017; ():1.

Chicago/Turabian Style

Brendan E. Fay; Steven Hoffenson. 2017. "An Agent-Based Market System Simulation for Design Education." Volume 1: 37th Computers and Information in Engineering Conference , no. : 1.

Conference paper
Published: 01 June 2017 in 2017 12th System of Systems Engineering Conference (SoSE)
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Ideally, government policy is intended to improve economic, environmental, or social sustainability outcomes. Effective policy must address the ways that individual citizens, industries, and other government agencies will respond, and they must consider the implications on market systems, social systems, and ecosystems. This paper describes a system of systems approach to modeling and analyzing policy decision-making, seeking to combine elements from agent-based and system dynamics modeling approaches. The decentralized approach of agent-based model construction combined with feedback loop identification from system dynamics can offer a meaningful way to view and model sustainability-centric policy-making. The U.S. automobile markets are discussed in this context, considering both safety and fuel economy regulations.

ACS Style

Steven Hoffenson. Sustainability policy-making as a dynamic, agent-based system of systems. 2017 12th System of Systems Engineering Conference (SoSE) 2017, 1 -6.

AMA Style

Steven Hoffenson. Sustainability policy-making as a dynamic, agent-based system of systems. 2017 12th System of Systems Engineering Conference (SoSE). 2017; ():1-6.

Chicago/Turabian Style

Steven Hoffenson. 2017. "Sustainability policy-making as a dynamic, agent-based system of systems." 2017 12th System of Systems Engineering Conference (SoSE) , no. : 1-6.

Conference paper
Published: 01 April 2017 in 2017 Annual IEEE International Systems Conference (SysCon)
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The Federal Aviation Administration's NextGen technologies are planned to modernize the National Airspace System of the United States. However, NextGen's initially proposed completion date of 2025 has been pushed back years due to rollout issues. This study offers a concept for a decision-making tool that uses agent-based modeling to make implications about the remainder of the rollout. Observing simulations with a focus on stakeholder impact on the NextGen rollout offers insights into potential rollout outcomes, both favorable and unfavorable, which may allow decision makers to more reliably select their courses of action.

ACS Style

Matthew Mosca; Steven Hoffenson. Using agent-based modeling to understand stakeholder interactions in the rollout of nextgen by the federal aviation administration. 2017 Annual IEEE International Systems Conference (SysCon) 2017, 1 -8.

AMA Style

Matthew Mosca, Steven Hoffenson. Using agent-based modeling to understand stakeholder interactions in the rollout of nextgen by the federal aviation administration. 2017 Annual IEEE International Systems Conference (SysCon). 2017; ():1-8.

Chicago/Turabian Style

Matthew Mosca; Steven Hoffenson. 2017. "Using agent-based modeling to understand stakeholder interactions in the rollout of nextgen by the federal aviation administration." 2017 Annual IEEE International Systems Conference (SysCon) , no. : 1-8.

Journal article
Published: 01 October 2015 in International Journal of Production Economics
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During the late stages of product development, dimensional tolerances are chosen to balance quality requirements with manufacturing costs. Designers typically judge how much variation in the product dimensions should be allowed while still maintaining the perception of high quality for the product or brand, but this is rarely based on a quantitative understanding of how consumers actually perceive variation and quality. Likewise, environmental sustainability priorities, which can also be affected by dimensional tolerances through production waste and product lifespan, are often chosen without knowing how such attributes are received by consumers. This paper presents a survey-based technique for understanding how tolerance and pricing decisions influence market demand and manufacturer profits, accounting for consumer perceptions of visual quality and environmental friendliness. A case study of a mobile phone design is explored, including variation propagation simulation, manufacturing cost and environmental impact estimation, online choice-based conjoint (CBC) survey design and administration, consumer demand model construction, and profit maximization for the markets in China, Sweden, and the United States. The results show how consumers make trade-offs in purchasing decisions when choosing among mobile phone attributes including price, environmental friendliness, and visual quality, and different scenarios are compared based on survey design, country of interest, and the company׳s global product strategy

ACS Style

Steven Hoffenson; Andreas Dagman; Rikard Söderberg. Visual quality and sustainability considerations in tolerance optimization: A market-based approach. International Journal of Production Economics 2015, 168, 167 -180.

AMA Style

Steven Hoffenson, Andreas Dagman, Rikard Söderberg. Visual quality and sustainability considerations in tolerance optimization: A market-based approach. International Journal of Production Economics. 2015; 168 ():167-180.

Chicago/Turabian Style

Steven Hoffenson; Andreas Dagman; Rikard Söderberg. 2015. "Visual quality and sustainability considerations in tolerance optimization: A market-based approach." International Journal of Production Economics 168, no. : 167-180.

Journal article
Published: 10 August 2015 in Journal of Mechanical Design
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Product markets can be modeled as complex systems that account for a diverse set of stakeholders and interactions. Decisions by all of the stakeholders in these systems can affect the design of new products, not only from design teams but also from consumers, producers, and policymakers. Studies of market systems have shown how producers can make profit-optimal decisions on product design and pricing, and how those decisions influence a number of different factors including the quality, environmental impact, production costs, and ultimately consumer demand for the product. This study presents and demonstrates the use of a framework for modeling the ways that policies and consumer demand influence optimal product design and, in particular, product quality and environmental sustainability. Employing this model for the tolerance and material design decisions for a mobile phone case shows how different environmental impact scales, taxation levels, and information available to consumers will influence producer profits and overall environmental impacts. This demonstrates how different policies can be evaluated for their impacts on economic success for producers and reduced environmental impacts for society, and a “win–win” scenario is found for the mobile phone case.

ACS Style

Steven Hoffenson; Rikard Söderberg. Taxation and Transparency: How Policy Decisions Impact Product Quality and Sustainability. Journal of Mechanical Design 2015, 137, 101702 .

AMA Style

Steven Hoffenson, Rikard Söderberg. Taxation and Transparency: How Policy Decisions Impact Product Quality and Sustainability. Journal of Mechanical Design. 2015; 137 (10):101702.

Chicago/Turabian Style

Steven Hoffenson; Rikard Söderberg. 2015. "Taxation and Transparency: How Policy Decisions Impact Product Quality and Sustainability." Journal of Mechanical Design 137, no. 10: 101702.

Journal article
Published: 01 January 2015 in Procedia CIRP
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This paper describes a new approach for using systems thinking in the context of design decisions that affect product quality. Such decisions include dimensional tolerances, material choice, and product geometry, which are shown to have links with product quality and performance, profitability, sustainability consequences, and resulting market and governance changes. These links are presented in a systems model that maps the drivers and consequences of these quality-related decisions, ultimately showing that design decisions influence future design decisions based on the sustainability-related outcomes of the resulting products. The systems model is then used in a design scenario of a mobile phone, where important information about the consequences of the product is gleaned by using the proposed model

ACS Style

Steven Hoffenson; Rikard Söderberg. Systems Thinking in Tolerance and Quality-related Design Decision-making. Procedia CIRP 2015, 27, 59 -64.

AMA Style

Steven Hoffenson, Rikard Söderberg. Systems Thinking in Tolerance and Quality-related Design Decision-making. Procedia CIRP. 2015; 27 ():59-64.

Chicago/Turabian Style

Steven Hoffenson; Rikard Söderberg. 2015. "Systems Thinking in Tolerance and Quality-related Design Decision-making." Procedia CIRP 27, no. : 59-64.

Original articles
Published: 02 December 2014 in Journal of Engineering Design
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Sustainability is becoming increasingly important in the development of new product and production solutions, and the eco-design movement stresses the importance of environmental considerations in all design phases and activities. One such design activity in the embodiment design phase of product development is the specification of dimensional tolerances, where designers seek to ensure high functionality at low costs. A traditional approach to this decision-making process is to minimise economic losses to the manufacturer and the consumer through a process known as tolerance optimisation. This paper presents a new approach for tolerance optimisation that considers sustainability not only in the context of economic costs but also environmental impacts, which are shown to be significantly affected by manufacturing and product quality. This new framework is formulated as a bi-objective optimisation problem to minimise economic and environmental costs, and important modelling considerations for these two types of costs are outlined and discussed. The proposed approach is explored using two example cases of design assemblies, which demonstrate the trade-offs between economic and environmental design objectives as a result of tolerances and other quality-related design decisions.

ACS Style

Steven Hoffenson; Andreas Dagman; Rikard Söderberg. Tolerance optimisation considering economic and environmental sustainability. Journal of Engineering Design 2014, 25, 367 -390.

AMA Style

Steven Hoffenson, Andreas Dagman, Rikard Söderberg. Tolerance optimisation considering economic and environmental sustainability. Journal of Engineering Design. 2014; 25 (10-12):367-390.

Chicago/Turabian Style

Steven Hoffenson; Andreas Dagman; Rikard Söderberg. 2014. "Tolerance optimisation considering economic and environmental sustainability." Journal of Engineering Design 25, no. 10-12: 367-390.

Conference paper
Published: 17 August 2014 in Volume 6: 10th International Conference on Multibody Systems, Nonlinear Dynamics, and Control
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The market is a complex system with many different stakeholders and interactions. A number of decisions within this system affect the design of new products, not only from design teams but also from consumers, producers, and policy-makers. Market systems studies have shown how profit-optimal producer decisions regarding product design and pricing can influence a number of different factors including the quality, environmental impact, production costs, and ultimately consumer demand for the product. This study models the ways that policies and consumer demand combine in a market systems framework to influence optimal product design and, in particular, product quality and environmental sustainability. Implementing this model for the design of a mobile phone case shows how different environmental impact assessment methods, levels of taxation, and factors introduced to the consumer decision-making process will influence producer profits and overall environmental impacts. This demonstrates how different types of policies might be evaluated for their effectiveness in achieving economic success for the producer and reduced environmental impacts for society, and a “win-win” scenario was uncovered in the case of the mobile phone.

ACS Style

Steven Hoffenson; Rikard Söderberg. Policy and Demand as Drivers for Product Quality and Sustainability: A Market Systems Approach. Volume 6: 10th International Conference on Multibody Systems, Nonlinear Dynamics, and Control 2014, 1 .

AMA Style

Steven Hoffenson, Rikard Söderberg. Policy and Demand as Drivers for Product Quality and Sustainability: A Market Systems Approach. Volume 6: 10th International Conference on Multibody Systems, Nonlinear Dynamics, and Control. 2014; ():1.

Chicago/Turabian Style

Steven Hoffenson; Rikard Söderberg. 2014. "Policy and Demand as Drivers for Product Quality and Sustainability: A Market Systems Approach." Volume 6: 10th International Conference on Multibody Systems, Nonlinear Dynamics, and Control , no. : 1.

Journal article
Published: 01 January 2014 in Procedia CIRP
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ACS Style

Konstantinos Stylidis; Steven Hoffenson; Casper Wickman; Mikael Söderman; Rikard Söderberg. Corporate and Customer Understanding of Core Values Regarding Perceived Quality: Case Studies on Volvo Car Group and Volvo Group Truck Technology. Procedia CIRP 2014, 21, 171 -176.

AMA Style

Konstantinos Stylidis, Steven Hoffenson, Casper Wickman, Mikael Söderman, Rikard Söderberg. Corporate and Customer Understanding of Core Values Regarding Perceived Quality: Case Studies on Volvo Car Group and Volvo Group Truck Technology. Procedia CIRP. 2014; 21 ():171-176.

Chicago/Turabian Style

Konstantinos Stylidis; Steven Hoffenson; Casper Wickman; Mikael Söderman; Rikard Söderberg. 2014. "Corporate and Customer Understanding of Core Values Regarding Perceived Quality: Case Studies on Volvo Car Group and Volvo Group Truck Technology." Procedia CIRP 21, no. : 171-176.

Research article
Published: 23 December 2013 in The Journal of Defense Modeling and Simulation: Applications, Methodology, Technology
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In recent years, the greatest safety threat to military personnel has been from underbody vehicle blast events, but other major threats exist against fuel convoys and due to rollover events. Ground vehicle designers make choices that affect one or more of these risk areas, including the weight and structural design of the vehicle underbody, as well as the design of seating systems that cushion the occupants from the rapid accelerations caused by blast loading. This study uses mathematical and computational tools to evaluate underbody blast, fuel convoy, and rollover safety criteria, and the models are combined into a multi-objective design optimization formulation that minimizes personnel casualties. The models and framework are highlighted and described in detail, and preliminary optimization results are presented under various conditions. The multi-objective behavior of the design problem is explored through weighted-objective Pareto frontiers, and the utility of the model in real-world situations is discussed.

ACS Style

Steven Hoffenson; Sudhakar Arepally; Panos Y Papalambros. A multi-objective optimization framework for assessing military ground vehicle design for safety. The Journal of Defense Modeling and Simulation: Applications, Methodology, Technology 2013, 11, 33 -46.

AMA Style

Steven Hoffenson, Sudhakar Arepally, Panos Y Papalambros. A multi-objective optimization framework for assessing military ground vehicle design for safety. The Journal of Defense Modeling and Simulation: Applications, Methodology, Technology. 2013; 11 (1):33-46.

Chicago/Turabian Style

Steven Hoffenson; Sudhakar Arepally; Panos Y Papalambros. 2013. "A multi-objective optimization framework for assessing military ground vehicle design for safety." The Journal of Defense Modeling and Simulation: Applications, Methodology, Technology 11, no. 1: 33-46.