DFMEA

DESIGN FAILURE MODE AND EFFECT ANALYSIS

(DFMEA)

Project

SleepSound

Revision Date

2/24/2007

Year

Spring 2007

Revision Number

2

Team Members

Austin, Curtis, Dougherty, Hasenoehrl, Otto, Semmler

ITEM AND FUNCTION

POTENTIAL FAILURE MODE(S)

POTENTIAL EFFECT(S) OF FAILURE

SEV

CLASS

POTENTIAL CAUSE(S) OF FAILURE

OCCUR

CURRENT DESIGN CONTROLS

DETECT

RPN

RECOMMENDED ACTIONS

ACTION RESULTS

ACTION TAKEN

SEV

OCCUR

DETECT

RPN

CLASS

Oscillator

Electrical failure

No transmission

Bad solder

Warning

Battery

Bad readings

Shock

Shirt

Sensor bunched

No reading

Movement

Two sensors

Washing

Elastic overstretched

No reading

Manufacturing

Fatigue

Wire broken

No reading

Fatigue

Accident

Shirt too loose

No reading

Inappropriate sizing

Sensing unit

Receiver failure

Broken component

No alarm

Power

Broken component