Pratham Presenters: Fraterno Vila and Gabriel Letona Pratham Electronics and Distribution...
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Transcript of Pratham Presenters: Fraterno Vila and Gabriel Letona Pratham Electronics and Distribution...
PrathamPrathamElectronics and Distribution
Presenters: Fraterno Vila and Gabriel Presenters: Fraterno Vila and Gabriel Letona Letona
Team Leader: Matt RyanTeam Leader: Matt RyanChief Engineer: Gabe LetonaChief Engineer: Gabe LetonaFabrication: Reed LangtonFabrication: Reed Langton
CADCAM: Fraterno VilaCADCAM: Fraterno VilaElectronics/Control Engineer: Nick MartinElectronics/Control Engineer: Nick Martin
Mechanism UpdateMechanism Update
Eliminated automatic height adjuster
Incorporated manual height adjuster
Spiral/Radial Plate Setup for both top and bottom assembly
Entire Product/Parts will be modeled in CAD
Mechanism Update, Mechanism Update, Contd.Contd.
Working Prototype:Working Prototype:
Demonstrate Interaction of all Electronic Demonstrate Interaction of all Electronic ComponentsComponents
Demonstrate Bottom Mechanism used to Demonstrate Bottom Mechanism used to grip/twist containergrip/twist container
Manually grip the lidManually grip the lid Bottom Subsystem will demonstrate Bottom Subsystem will demonstrate
spiral/radial assembly on Top Subsystemspiral/radial assembly on Top Subsystem
Electrical Control System Electrical Control System Contact Force
Magnetic Presence
Push Button SensorHall Effect Sensor
Signal Conditioning On/Off
Mini-Max/PICSingle board computer
MicroprocessorPIC16F877A
Electrical Wiring Connections
AC Adapter Power Source
Converter
Power SourceOutlet
Embedded Program
Motors Interface
Motors
Motors and SensorsMotors and Sensors
2 Buehler® DC 2 Buehler® DC geared motors geared motors (~$15each)(~$15each) 1.18in. OD x 3.3in. 1.18in. OD x 3.3in.
longlong Max.: 12V, 50RPMMax.: 12V, 50RPM Min.: 3V, 10RPM at Min.: 3V, 10RPM at
200mA200mA SensorsSensors
Touch ButtonTouch Button Hall Effect (5V max.)Hall Effect (5V max.)
5VMinimax
Motor switchR
Microcontroller System and Microcontroller System and
Power SourcePower Source Minimax Minimax
MicrocontrollerMicrocontroller Microprocessor Microprocessor
PIC16F877APIC16F877A Demands 6 to 12V DCDemands 6 to 12V DC 100mA minimum 100mA minimum
currentcurrent Provides 5VProvides 5V
External Power External Power SourceSource 120V AC from outlet120V AC from outlet Use of an AC-DC Use of an AC-DC
adapter power source adapter power source converterconverter
No BatteriesNo Batteries Kitchen ApplianceKitchen Appliance Battery’s life ($$)Battery’s life ($$) Could provide risky Could provide risky
amount of currentamount of currentConvert to 6V Convert to 6V @ .5A @ .5A Cost: ~$25Cost: ~$25
Schematic Schematic
AC-DCConverter
Fuse
MiniMax Motor1 Motor2
120V
HV LV
5V
6-12V100mA
3-12V<200mA
3-12V<200mA
Average Individual Time
7.6
8.6
17.1
8
9.6
21.6
0
5
10
15
20
25
1 2 3 4 5 6
Week Number
Av
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