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Related Concept Videos

Design Consideration01:22

Design Consideration

Designing a structure involves a series of considerations, primarily the material's ultimate strength, calculated through tests that measure changes under increased force until the material reaches its breaking point or limit. The ultimate load, where the material breaks, is divided by its original cross-sectional area, resulting in the ultimate normal stress or strength. The ultimate shearing stress is another significant factor taken into account.
The factor of safety is another key aspect...
Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

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...
Design Example01:23

Design Example

The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...
PD Controller: Design01:26

PD Controller: Design

In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
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Mechanical Systems01:22

Mechanical Systems

Mechanical systems are analogous to to electrical networks where springs and masses play similar roles to inductors and capacitors, respectively. A viscous damper in mechanical systems functions similarly to a resistor in electrical networks, dissipating energy. The forces acting on a mass in such systems include an applied force in the direction of motion, counteracted by forces from the spring, a viscous damper, and the mass's acceleration. This interplay of forces is mathematically described...
Protein-Protein Interfaces02:04

Protein-Protein Interfaces

Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a polypeptide...

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Related Experiment Video

Updated: May 25, 2026

An Assessment Method and Toolkit to Evaluate Keyboard Design on Smartphones
05:42

An Assessment Method and Toolkit to Evaluate Keyboard Design on Smartphones

Published on: October 5, 2020

Product functions: interfaces with ergonomic design.

Lívia F de A Campos1, Jamille N de L Lanutti, Luis Carlos Paschoarelli

  • 1PPGDesign, Fac. of Architecture, Arts and Communication, Univ Estadual Paulista, Av. Eng. Luis E. C. Coube 14-01, Bauru, Brazil. liviaflavia@gmail.com

Work (Reading, Mass.)
|February 10, 2012
PubMed
Summary

Product design must balance technical quality with aesthetic and symbolic functions for success. Understanding these functional interfaces is key for effective ergonomic product development.

Related Experiment Videos

Last Updated: May 25, 2026

An Assessment Method and Toolkit to Evaluate Keyboard Design on Smartphones
05:42

An Assessment Method and Toolkit to Evaluate Keyboard Design on Smartphones

Published on: October 5, 2020

Area of Science:

  • Product Design
  • Ergonomics
  • Human-Computer Interaction

Background:

  • Modern product development increasingly values aesthetics and symbolic meaning alongside technical performance.
  • Reliability and physical quality are traditional metrics, but user experience is now paramount.
  • Aesthetic and symbolic attributes significantly influence product perception and market success.

Purpose of the Study:

  • To review and define the interfaces between technical, aesthetic, and symbolic product functions.
  • To explore how these interfaces can inform ergonomic product design principles.
  • To establish a theoretical foundation for integrating diverse product attributes.

Main Methods:

  • Literature review of existing research on product design, aesthetics, and ergonomics.
  • Analysis of theoretical frameworks connecting functional and non-functional product aspects.
  • Synthesis of findings to identify key interaction points between different design elements.

Main Results:

  • Identified critical overlap areas where technical, aesthetic, and symbolic qualities intersect.
  • Highlighted the importance of user perception in evaluating these combined functions.
  • Demonstrated that a holistic approach to design is necessary for optimal product outcomes.

Conclusions:

  • Ergonomic design requires a comprehensive understanding of how technical, aesthetic, and symbolic functions interact.
  • Future product development should prioritize the integration of these diverse attributes for enhanced user satisfaction and market competitiveness.
  • Further research into the specific nature of these interfaces can refine design methodologies.