Heated Clothing for Safe Body Temperature Heated Clothing for Safe Body Temperature Regulation for Quadriplegic WearerRegulation for Quadriplegic Wearer

Team # 1Team # 1

Albert AlexanderAlbert AlexanderSteven ShaneSteven ShaneMelissa StroudMelissa StroudStephen ZajacStephen Zajac

MobilityMobility

1.5 million Americans rely on wheelchairs1.5 million Americans rely on wheelchairs3.3% suffer serious accidents each year3.3% suffer serious accidents each year11% of these accidents are environment-11% of these accidents are environment-relatedrelated

Our GoalOur Goal

Increase the independence of Increase the independence of poikilotherms poikilotherms Greater endurance in harsher weatherGreater endurance in harsher weather A robust platform for further A robust platform for further improvements to the lives of quadriplegicsimprovements to the lives of quadriplegics

GarmentGarment

With Safety With Safety addressed, what addressed, what about comfort?about comfort?Tygon medical-grade Tygon medical-grade tubingtubingInsulating Calico Insulating Calico lininglining

Control PhilosophyControl Philosophy

Automatic RegulationAutomatic Regulation– Five Temperature SettingsFive Temperature Settings

Soft safetySoft safety– Water temperature cutoffWater temperature cutoff– Body Temperature monitoredBody Temperature monitored– ““Off” settingOff” setting– Diagnostic monitoringDiagnostic monitoring

PSoC: Powerful Programming PSoC: Powerful Programming PlatformPlatform

Programmable System on ChipProgrammable System on ChipFlexible, customizableFlexible, customizableProgramming frameworkProgramming frameworkMultiple A/D, PWM D/AMultiple A/D, PWM D/ADesigner IDEDesigner IDE

ThermoelectricThermoelectric

Advantages of the Peltier JunctionAdvantages of the Peltier Junction– Bi-directional heat pumpBi-directional heat pump– Solid stateSolid state

PerformancePerformance– 1L cooled 40°F in 10 minutes1L cooled 40°F in 10 minutes

Power Management Power Management

PSoC

AnalogThermistor Input

24 V battery

24/5V buck converter

Digital 5V PWM Variable Duty Cycle

Electric Fan

Pump

Thermoelectric

5V DC, Low Current

Dual-PinDual-Throw Relay Power MOS-FET

PWM Variable Duty Cycle

Power MOS-FET

5-pin Rotary Switch

GroundingGrounding

Special Thanks toSpecial Thanks to

Our SponsorsOur Sponsors

The Wochholz EndowmentThe Wochholz EndowmentAndAnd

Mr. Stephen Blosser & Daniel CashenMr. Stephen Blosser & Daniel Cashen

QuestionsQuestions