Tingyu Cheng
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View article: Living Sustainability: In-Context Interactive Environmental Impact Communication
Living Sustainability: In-Context Interactive Environmental Impact Communication Open
Climate change demands urgent action, yet understanding the environmental impact (EI) of everyday objects and activities remains challenging for the general public. While Life Cycle Assessment (LCA) offers a comprehensive framework for EI …
View article: Towards Autonomous Sustainability Assessment via Multimodal AI Agents
Towards Autonomous Sustainability Assessment via Multimodal AI Agents Open
Interest in sustainability information has surged in recent years. However, the data required for a life cycle assessment (LCA) that maps the materials and processes from product manufacturing to disposal into environmental impacts (EI) ar…
View article: Recy-ctronics: Designing Fully Recyclable Electronics With Varied Form Factors
Recy-ctronics: Designing Fully Recyclable Electronics With Varied Form Factors Open
For today's electronics manufacturing process, the emphasis on stable functionality, durability, and fixed physical forms is designed to ensure long-term usability. However, this focus on robustness and permanence complicates the disassemb…
View article: Privacy vs. Awareness: Relieving the Tension between Older Adults and Adult Children When Sharing In-home Activity Data
Privacy vs. Awareness: Relieving the Tension between Older Adults and Adult Children When Sharing In-home Activity Data Open
While aging adults frequently prefer to "age in place", their children can worry about their well-being, especially when they live at a distance. Many in-home systems are designed to monitor the real-time status of seniors at home and prov…
View article: Transient Internet of Things: Redesigning the Lifetime of Electronics for a More Sustainable Networked Environment
Transient Internet of Things: Redesigning the Lifetime of Electronics for a More Sustainable Networked Environment Open
Mark Weiser predicted in 1991 that computing would lead to individuals interacting with countless computing devices, seamlessly integrating them into their daily lives until they disappear into the background [42]. However, achieving this …
View article: SwellSense: Creating 2.5D interactions with micro-capsule paper
SwellSense: Creating 2.5D interactions with micro-capsule paper Open
In this paper, we propose SwellSense, a fabrication technique to screen print stretchable circuits onto a special micro-capsule paper, creating localized swelling patterns with sensing capabilities. This simple technique will allow users t…
View article: Functional Destruction: Utilizing Sustainable Materials’ Physical Transiency for Electronics Applications
Functional Destruction: Utilizing Sustainable Materials’ Physical Transiency for Electronics Applications Open
Today's electronics are manufactured to provide stable functionality and fixed physical forms optimized for reliable operation over long periods and repeated use. However, even when applications don't call for such robustness, the permanen…
View article: Exergy
Exergy Open
Energy harvesting reduces the burden of power source maintenance and promises to make computing systems genuinely ubiquitous. Researchers have made inroads in this area, but their novel energy harvesting materials and fabrication technique…
View article: PITAS: Sensing and Actuating Embedded Robotic Sheet for Physical Information Communication
PITAS: Sensing and Actuating Embedded Robotic Sheet for Physical Information Communication Open
This work presents PITAS, a thin-sheet robotic material composed of a reversible phase transition actuating layer and a heating/sensing layer. The synthetic sheet material enables non-expert makers to create shape-changing devices that can…
View article: FlexHaptics: A Design Method for Passive Haptic Inputs Using Planar Compliant Structures
FlexHaptics: A Design Method for Passive Haptic Inputs Using Planar Compliant Structures Open
This paper presents FlexHaptics, a design method for creating custom haptic input interfaces. Our approach leverages planar compliant structures whose force-deformation relationship can be altered by adjusting the geometries. Embedded with…
View article: Travelogue: Representing Indoor Trajectories as Informative Art
Travelogue: Representing Indoor Trajectories as Informative Art Open
In this work, we explore if informative art can represent a user's indoor trajectory and promote user's self-reflection, creating a new type of interactive space. Under the assumption that the simplicity of a digital picture frame can be a…
View article: Flexible computational photodetectors for self-powered activity sensing
Flexible computational photodetectors for self-powered activity sensing Open
Conventional vision-based systems, such as cameras, have demonstrated their enormous versatility in sensing human activities and developing interactive environments. However, these systems have long been criticized for incurring privacy, p…