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Control Interface of DC Power Supply Unit (2004)

Organization: Department of Design, IIT Guwahati
Duration: 4 months

Objective:
Redesign of Control Interface of HP (E3631A) Triple Output DC Power Supply to enhance efficiency & reduce error rates of laboratory users.

Control Interface

Redesigned HP (E-3031A) Control Interface

Previous Interface

Existing HP (E-3031A) Control Interface

Closer view of Interface

A Closer view of Interface

Design Features:

  • Visually attractive & aesthetically enhanced
  • Reduced overhead on working memory with use of graphics & color coding for related elements
  • Consistency in composition
  • Organized composition according to hierarchy of elements & operation sequence.
  • Well demarcated controls for easy identification & error prevention
  • Prioritization of functionality & information
  • Use of LEDs for feedback to reduce error rate
  • Compatibility with existing practices & conventions reduced dependency on manual

Design Features

Design Features

Task analysis results

Element link-value chart based on Task Analysis