AirBand Glove System

March 10, 2009ECE 4007 L03

Aaron KaneRoth FralickJason Zutty

AirBand Emulates playing musical instruments

through natural gestures.

Shows the potential of an extensible system.

Costs significantly less than current market.

Uses in consumer electronics and HCI research.

Design Goals Extensible architecture.

Standard MIDI output.

Intuitive operation.

Marketable product.

Data Glove Baseball batting glove.

Induction based sensors. Coils consist of magnet wire. Coils on inside of hand. 3 coils per finger.

Figure from [1]

Sensor Positions

Figure edited from [1]

Embedded System PCB connected to glove wrist.

Atmel ATMega1284P microprocessor.

Crystal Oscillator creates generator signal.

Time division modulated measurements across fingers.

Digital signal Outputs.

Embedded System Block Diagram

Computer Control System MATLAB based application

EIA-485 over Ethernet.

Outputs standard MIDI signal.

User level API for added functionality.

Computer System Flowchart

Demonstration System emulating bass guitar.

4 strings, 4 fingers. Moderate tempo baseline.

System output to Yamaha MU100 tone generator.

Testing Verifying correctness of output.

Ensure negligible interference in sensors.

Design Issues Sensor orientation and positioning.

Testing different methods against needs.

MATLAB “real-time” MIDI output.

Future Schedule

March 13 Physical gloves wired

April 4 Working Microcontroller

April 11 Working MATLAB system

Cost Analysis Based on 10,000 Units over 5 years

3 design engineers + other staff and overhead yields a total non-recost of 31.13.

Parts cost $103.60. Overall cost per unit around $430. Sell at $500. Earn about 700,000 profit.

Current Status Important parts obtained.

Programming Microcontroller.

Constructing glove.

Designing MATLAB system.

Resources[1] Development of a data glove with reducing sensors based

on magnetic induction Chin-Shyurng Fahn; Herman Sun; Industrial Electronics, IEEE Transactions on Volume 52,  Issue 2,  April 2005 Page(s):585 - 594

Questions?