olfaction satisfaction nsf engineering design projects: olfaction stimulation device team 8: emily...
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Olfaction SatisfactionOlfaction Satisfaction
NSF Engineering Design Projects:NSF Engineering Design Projects:Olfaction Stimulation DeviceOlfaction Stimulation Device
Team 8:Team 8:Emily HeuerEmily HeuerChris AmblerChris AmblerPearl YeungPearl Yeung
OutlineOutline Sponsor/Client InformationSponsor/Client Information PurposePurpose Existing MarketExisting Market Prototype and FeaturesPrototype and Features SafetySafety MaintenanceMaintenance Total CostTotal Cost AcknowledgementsAcknowledgements
Sponsor/Client InformationSponsor/Client Information National Science Foundation Engineering National Science Foundation Engineering
Senior Design Projects for Persons with Senior Design Projects for Persons with DisabilitiesDisabilities
Passion WorksPassion Works– Athens, OHAthens, OH– An arts program for adults with developmental An arts program for adults with developmental
disabilitiesdisabilities Multi-sensory Stimulation RoomMulti-sensory Stimulation Room
– Varied rocking devicesVaried rocking devices– Stereo system with headphonesStereo system with headphones– Visual and tactile stimulation wall Visual and tactile stimulation wall – Bubble lamps, Christmas lights, and fiber optic Bubble lamps, Christmas lights, and fiber optic
lampslamps
PurposePurpose
For use by adults with severe For use by adults with severe cognitive and motor cognitive and motor disabilitiesdisabilities
Stimulates olfactory senseStimulates olfactory sense Increases environment Increases environment
interactioninteractionProvides recreationProvides recreation
Existing MarketExisting Market
Commercial ProductsCommercial Products PatentsPatents NSF ProjectsNSF Projects
Multisensory Motivational Center
Structure - BaseStructure - Base Type 1 PVCType 1 PVC Divided into two compartments: Divided into two compartments:
electrical and storageelectrical and storage User interface located on one side User interface located on one side
Structure - CasingStructure - Casing
Type 1 PVCType 1 PVC Houses fragrance Houses fragrance
dispersion systemdispersion system Two fragrance access Two fragrance access
panelspanels Front panelFront panel
– LED displays, speakers, and LED displays, speakers, and fragrance exist holesfragrance exist holes
Back PanelBack Panel– Fan ventilationFan ventilation
Fragrance SourceFragrance Source
Six Glade Aerosol Spray CansSix Glade Aerosol Spray Cans
Easily interchangeableEasily interchangeable– Removal/loading through access Removal/loading through access
panelspanels– Three holders on each access Three holders on each access
panelpanel– Holders secure cans but allow Holders secure cans but allow
slight movement for easy slight movement for easy removalremoval
Fragrance Dispersion Fragrance Dispersion SystemSystem
Release fragrance up to the Release fragrance up to the Fragrance ChamberFragrance Chamber
Two fans diffuse fragrance into the Two fans diffuse fragrance into the environmentenvironment
Compartments (6)Compartments (6)– Lever ActivatorLever Activator– SolenoidSolenoid– Aerosol CanAerosol Can
Solenoid and DriversSolenoid and Drivers
Solenoid DriversSolenoid Drivers– Each driver activates two Each driver activates two
solenoidssolenoids Linear push solenoidsLinear push solenoids
– Activate the spraying Activate the spraying mechanism on each of the mechanism on each of the aerosol spray cansaerosol spray cans
Lever SystemLever System– Plunger on solenoid Plunger on solenoid
pushes on lever to release pushes on lever to release the scentthe scent
User SwitchesUser Switches 2 user-friendly, 2 user-friendly,
interchangeable interchangeable switches switches
Selector SwitchSelector Switch– Selects desired scentSelects desired scent
Activator SwitchActivator Switch– Activates fragrance Activates fragrance
dispersion system dispersion system and additional and additional stimulus stimulus
Large Touch Pad
Squish Switch
Visual StimulationVisual Stimulation
LED IndicatorsLED Indicators– Controlled by Controlled by
selector switchselector switch– Indicates currently Indicates currently
selected fragranceselected fragrance
LED Display PatternLED Display Pattern– Controlled by activator Controlled by activator
switchswitch– Provides visual Provides visual
stimulationstimulation
Auditory StimulationAuditory Stimulation
““Ping” NoisePing” Noise– Indicates change of scent (in Indicates change of scent (in
conjunction with LED Indicators)conjunction with LED Indicators) Lion, Dinosaur, and Frog VoiceLion, Dinosaur, and Frog Voice
– Provides auditory stimulation in Provides auditory stimulation in conjunction with fragrance release conjunction with fragrance release
BatteryBattery
Rechargeable Sealed Lead Acid Rechargeable Sealed Lead Acid BatteryBattery
Lasts 2 – 3 hours per charge Lasts 2 – 3 hours per charge Device comes equipped with chargerDevice comes equipped with charger
Electrical CircuitElectrical Circuit 12 Volt Power Supply12 Volt Power Supply
– Regulated by on/off switchRegulated by on/off switch Fans (2)Fans (2)
– Responsible for diffusing scent into surrounding Responsible for diffusing scent into surrounding atmosphereatmosphere
Voltage Regulators (2)Voltage Regulators (2)– Regulates 12 volts from battery to 5 volts for the rest Regulates 12 volts from battery to 5 volts for the rest
of the circuitof the circuit MicroprocessorMicroprocessor
– 2 inputs2 inputs Selector SwitchSelector Switch Activator SwitchActivator Switch
– 24 outputs controlling:24 outputs controlling: 6 LED Indicators6 LED Indicators 18 LED Patterns18 LED Patterns 3 Drivers and 6 Solenoids3 Drivers and 6 Solenoids 4 Sound Chips and Speakers4 Sound Chips and Speakers
MicroprocessorMicroprocessor
PIC “brain”PIC “brain” Programmed Programmed
via Assembly via Assembly Language Language
Control LoopControl Loop Activate LoopActivate Loop Select LoopSelect Loop
MicroprocessorMicroprocessor
Program: controls I/O characteristicsProgram: controls I/O characteristics Control Loop: scan for inputControl Loop: scan for input Select Loop: Change fragrance, play Select Loop: Change fragrance, play
soundsound Activate Loop: Release fragrance, Activate Loop: Release fragrance,
play sound, display patternplay sound, display pattern
SafetySafety All access doors lockable All access doors lockable On/off switch requires a keyOn/off switch requires a key No exterior cords or wiresNo exterior cords or wires No sharp protruding objectsNo sharp protruding objects All possible locations of All possible locations of
device entry are properly device entry are properly protectedprotected
Clear PVC protective casingClear PVC protective casing Minimal supervisionMinimal supervision
MaintenanceMaintenance Fragrance loading/unloadingFragrance loading/unloading Top unscrews for easy cleaningTop unscrews for easy cleaning Battery compartment/battery easily Battery compartment/battery easily
accessible for battery rechargingaccessible for battery recharging Storage compartment for switches Storage compartment for switches
and battery charger when not in useand battery charger when not in use
Total Cost of DeviceTotal Cost of DeviceItemItem CostCost
AccessoriesAccessories $ 43.03 $ 43.03
PVCPVC $ 129.81 $ 129.81
User SwitchesUser Switches $ 118.00 $ 118.00
Glade Aerosol Spray CansGlade Aerosol Spray Cans $ 9.00 $ 9.00
LEDsLEDs $ 48.30 $ 48.30
Sound ChipsSound Chips $ 18.80 $ 18.80
Battery and ChargerBattery and Charger $ 60.98 $ 60.98
Solenoid DriversSolenoid Drivers $ 17.19 $ 17.19
PCBPCB $ 110.33 $ 110.33
Electrical ComponentsElectrical Components $ 7.23 $ 7.23
PICPIC $ 7.80 $ 7.80
SolenoidsSolenoids $ 78.12 $ 78.12
TotalTotal $ 648.59 $ 648.59
ConclusionConclusion Meets client Meets client
requirementsrequirements– Provides Provides
satisfactory satisfactory stimulationstimulation
– Easy to maintainEasy to maintain– User-friendlyUser-friendly– AffordableAffordable
Positive Positive impact on impact on quality of lifequality of life
AcknowledgementsAcknowledgements Special thanks to the following individuals Special thanks to the following individuals
who contributed to this design:who contributed to this design:– Dr. John EnderleDr. John Enderle– Chris LieblerChris Liebler– Dave KaputaDave Kaputa– Professor Monty A. Escabi, Department of Electrical Professor Monty A. Escabi, Department of Electrical
and Computer Engineeringand Computer Engineering– Professor Mei Wei, Department of Material Sciences Professor Mei Wei, Department of Material Sciences
and Engineeringand Engineering– Professor Yunsi Fei, Department of Electrical and Professor Yunsi Fei, Department of Electrical and
Computer EngineeringComputer Engineering– Dr. Robert Northrop, Department of Electrical and Dr. Robert Northrop, Department of Electrical and
Computer EngineeringComputer Engineering– Dr. Martin Fox, Department of Electrical and Computer Dr. Martin Fox, Department of Electrical and Computer
EngineeringEngineering– Richard D. Bonazza, Senior Machine Shop EngineerRichard D. Bonazza, Senior Machine Shop Engineer– Serge Doyon, Senior Machine Shop EngineerSerge Doyon, Senior Machine Shop Engineer– Maureen Gay, 8th Semester Graphic Design MajorMaureen Gay, 8th Semester Graphic Design Major
12 V
On/Off Switch
FAN FAN
LM7805:VRegulator
LM7805:VRegulator
PIC16F874-04/P
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
Z600M
LED PATTERNS
SolenoidsLED
IndicatorsSound Chips
Selector
Activator
10k
10k
Sound Chip
Sound Chip
Sound Chip
Sound Chip
Indicator
Indicator
Indicator
Indicator
Indicator
Indicator
Solenoid
Solenoid
Solenoid
Solenoid Solenoid
Solenoid
Pattern
Pattern
Pattern
Pattern
Pattern
Pattern
Vcc6i
1i
4o4i5o5i6o
3o3i2o2i1o
GND
PIN 33
PIN 38
PIN 37
PIN 36
PIN 35
PIN 34
160
LED
+5v
160
LED
+5v
160
LED
+5v
160
LED
+5v
160
LED
+5v
160
LED
+5v
+5v
7405
Vcc6i
1i
4o4i5o5i6o
3o3i2o2i1o
GND
PIN 19
PIN 28
PIN 27
PIN 22
PIN 21
PIN 20
+5v
7405130
red+5v
130
red130
yel
130
yel
130
gre
130
gre
+5v +5v +5v +5v +5v
115
14
10
8
2
3
9
4567
111213
+Vs
Sole
noi
d
220 uF0.1 uF
Solenoid
10K 3.9 nF
0.50.5 PIN 33,34,35 PIN 36,37,38
+Vss
L295
Power On
MOVLF B‘00000111’, TRIS E
MOULFB ‘00000000’,
TRIS A
MOULF B ‘00000000’TRIS B
MOULF B ‘00000000’TRIS C
MOULF B ‘00000000’TRIS D
CONTROL LOOP
Fix Digital I/O:MOVLW B'00001110'
MOVWF ADCON1
Declare Variables:B'11111111',TEMP255B'01110110',TEMP118
B'00000101',TEMP5B'00000110',COUNT
B'00000001',SOLARRAY
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