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UX + Product Design Case Study

DAIS - Diver Assistive Interface Shield

Master's Thesis Project - IIT Guwahati

Guide : Dr. Ajeet Kumar

Technically Complex Product

10 Months

Individual

UX + Product Design Case Study

DAIS - Diver Assistive Interface Shield

Master's Thesis Project - IIT Guwahati

Guide : Dr. Ajeet Kumar

Technically Complex Product

10 Months

Individual

The Blind Search

SAR missions in inland water bodies (floods, ponds) involve 0–10cm visibility.

Divers currently rely on tactile "feeling" or bulky handheld sensors. Holding a device prevents the diver from using both hands for navigation or body recovery.

During body recovery or debris clearing, a diver needs a "hands-free" state. Handheld equipment is a liability in snag-heavy environments.

The Blind Search

SAR missions in inland water bodies (floods, ponds) involve 0–10cm visibility.

Divers currently rely on tactile "feeling" or bulky handheld sensors. Holding a device prevents the diver from using both hands for navigation or body recovery.

During body recovery or debris clearing, a diver needs a "hands-free" state. Handheld equipment is a liability in snag-heavy environments.

Requirement Category

Design Requirement

Ergonomics

Interface Design

Communication

Localization

Robustness

Sensor Integration

Form Factor

Lightweight, wearable form that does not obstruct diver movement or field of view

Simple tactile controls; minimal cognitive load; high-contrast visual feedback

Acoustic-based messaging or alerts; gesture-based input recognition (optional)

Integration of IMU and ultrasonic sensors for approximate diver tracking

Waterproof, pressure-resistant casing suitable for murky, turbulent water

Real-time data display from sonar, radar, camera, compass

Hydrodynamically optimized body design with docking compatibility

Design Brief

Objective :

To design an Diving Assistive Interface Shield (DAIS) optimized for emergency response and recovery operations during flood disasters, dead body search and retrieval in waterbodies. The solution should assist rescue divers by improving underwater search efficiency, reducing physical strain, and enhancing overall operational safety and effectiveness.

Goals :