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Related Concept Videos

Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

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A device engineer plays a crucial role in designing user interfaces for mobile devices. One such interface is the resistive touchscreen, which fundamentally consists of two metallic layers: a flexible upper layer and a rigid lower layer, separated by a narrow gap. The high resistance between these two layers is a key characteristic of this design.
When a user touches the screen, the two layers make contact at a specific point known as the touchpoint. This contact reduces the resistance between...
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If the temperature of an object is changed while it is prevented from expanding or contracting, the object is subjected to stress. The stress is compressive if the object expands in the absence of constraint and tensile if it contracts. This stress resulting from temperature change is known as thermal stress. It can be quite large and can cause damage. To avoid this stress, engineers may design components so they can expand and contract freely. For instance, on highways, gaps are deliberately...
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  3. Research Domains
  5. Engineering
  7. Materials Engineering
  9. Wearable Materials
  11. Should It Be All Wrapped Up? Impact Of Functional Area And Weight On User Comfort Of Wearable Devices Based On Phase Change Materials.
  1. Home
  3. Research Domains
  5. Engineering
  7. Materials Engineering
  9. Wearable Materials
  11. Should It Be All Wrapped Up? Impact Of Functional Area And Weight On User Comfort Of Wearable Devices Based On Phase Change Materials.

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Should it be all wrapped up? Impact of functional area and weight on user comfort of wearable devices based on phase change materials.

Haiqing Tang1, Chi Zhang1, Fan Yang1

  • 1Human-Computer Interaction Laboratory, Department of Product Design, School of Art and Design, Dalian Polytechnic University, Dalian, China.

Ergonomics
|July 11, 2025

View abstract on PubMed

Summary
This summary is machine-generated.

Wearable device comfort depends on design. A phase change material cold compress study found medium functional areas offer the best balance of coldness, wetness, and comfort, informing future wearable design.

Keywords:
Wearing comfortfunctional areaphase change materialproduct design

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Area of Science:

  • Ergonomics
  • Materials Science
  • Wearable Technology

Background:

  • Wearable device comfort is crucial for user adoption and is influenced by various design elements.
  • Phase change materials (PCMs) offer potential for thermal regulation in wearable applications.
  • Optimizing the design of wearable cold compresses requires understanding user perception of factors like functional area and weight.

Purpose of the Study:

  • To investigate the impact of functional area and weight of a phase change material cold compress on user experience.
  • To determine optimal design parameters for wearable cold compress comfort.
  • To provide insights for the development of novel wearable devices.

Main Methods:

  • Development of a cold compress utilizing phase change material technology.
  • Evaluation of nine design groups varying in functional area (high, medium, low) and weight (heavy, moderate, light).
  • User assessment of coldness sensation, wetness, fabric texture, fatigue, and overall wearing comfort.

    • Main Results:

    • Functional area significantly influenced the wearing experience.
    • High functional areas excelled in coldness and wetness but increased fatigue.
    • Medium functional areas presented a favorable balance across comfort, thermal sensation, and fatigue.

    Conclusions:

    • A medium functional area is recommended for designing comfortable and effective wearable cold compresses.
    • Perceptual errors and user experience insights can guide future wearable device development.
    • This research offers valuable design references for the broader field of wearable technology.