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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...
623

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Towards Customer-Centric Additive Manufacturing: Making Human-Centered 3D Design Tools through a Handheld-Based

Ivan Rodriguez-Conde1, Celso Campos2

  • 1Department of Computer Science, University of Arkansas at Little Rock, 2801 South University Avenue, Little Rock, AK 72204, USA.

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|August 6, 2020
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Summary

This study introduces a multi-touch interface to simplify 3D design for additive manufacturing (AM). This customer-centric approach enhances user experience, speeding up custom product creation and paving the way for smarter factories.

Keywords:
Industry 4.0computer-aided designcustomer-centric manufacturinghandheld deviceshuman-centered computingmulti-touch interaction

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Area of Science:

  • Industrial Engineering
  • Human-Computer Interaction
  • Manufacturing Technology

Background:

  • Additive Manufacturing (AM) offers flexible production of custom items but is slowed by lengthy design processes.
  • Current Computer-Aided Design (CAD) interfaces require expert assistance, increasing production lead times.
  • Streamlining the design phase is crucial for optimizing AM workflows and reducing costs.

Purpose of the Study:

  • To develop and evaluate a customer-centric, multi-touch interface for simplifying 3D design in AM.
  • To enhance user experience and reduce pre-manufacturing design tasks for end-users.
  • To investigate the potential of intuitive interfaces in accelerating custom product fabrication.

Main Methods:

  • Developed a multi-touch interaction system as an alternative to traditional keyboard-mouse CAD interfaces.
  • Utilized a CAD-like software prototype for 3D modeling of custom cabinets in furniture manufacturing.
  • Conducted in-lab and remote user studies to assess usability and compare performance against desktop alternatives.

Main Results:

  • The multi-touch interaction system demonstrated improved performance and higher end-user satisfaction compared to the desktop alternative.
  • Usability studies validated the effectiveness of the customer-centric interface in simplifying design tasks.
  • Results indicate a significant enhancement in user experience for 3D modeling via touch-based interaction.

Conclusions:

  • The proposed multi-touch interface significantly improves the usability of CAD tools for end-users in AM.
  • This approach accelerates the custom product design process, contributing to faster manufacturing.
  • The findings support a future vision of smarter, remotely-operated factories leveraging intuitive human-machine interfaces.