group 16 – efficient hvac system
DESCRIPTION
Group 16 – Efficient HVAC System. Daniel Galarza – CpE Chung Chien Hsia – EE Marvin Fernandez – CpE Kevin Ivy – EE William Carson Sr. – Mentor, owner of Natural Air Workforce Central Florida - Sponsor. Motivation – Natural Air Energy. Household energy consumption - PowerPoint PPT PresentationTRANSCRIPT
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Group 16 – Efficient HVAC System
Daniel Galarza – CpEChung Chien Hsia – EEMarvin Fernandez – CpEKevin Ivy – EE
William Carson Sr. – Mentor, owner of Natural Air
Workforce Central Florida - Sponsor
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Motivation – Natural Air Energy
Household energy consumptionHeating, Ventilation and Air Conditioning
(HVAC)Different needs for different climatesHumidity almost never considered
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Project History
iTemp – First designDid NOT work
Efficient HVAC System – Second design
Worked much betterExpensive, and
excessive componentsStopped working
later
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Objectives
Improve upon previous projectsMake the project suitable for mass
productionMake the project cheaperProvide a layout for Internet connectivity
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Specifications
Machine to Machine communicationA web server to relay information from HVAC
system to web browser and mobile phone applications and vice versa
MySQL DatabaseSecure loginWebsite accessible by mobile and desktop web
browsersApplication mimics touch screen interfaceCreate TCP/IP Stack software to allow Hardware
to be able to communicate to internet
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Block Diagram
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Hardware
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Processor Comparison
iTempEfficient HVAC System – Panda Board
Expensive, many features unusedGroup 16 – PIC32Significantly cheaper
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Screen Comparison
iTempEfficient HVAC System – Group 16 – Newhaven International Screen
Cheaper
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Software
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The Database
Will connect the control system hardware to the website in the Internet.
Ensures the data on both systems are accurate and consistent.
Updates any changes made on the data by either system.
Implemented on a hosting website given by the sponsor.
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Android iOS
SDK is freeMany different
software programs available that supports Android
Primary language is Java
SDK is $100 roughly
Few other software programs are compatible with it
Primary language is Objective-C
Mobile Software Comparisons
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Main Block Diagram (first version)
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Website Application - Tools
Control and monitor a user’s HVAC system from a desktop or mobile web browser.
HTML and CSS – Basic building blocksPHP – Allows web programmingSQL – Communication with DatabaseAJAX – Dynamic, automatic updating (later!)Hype – HTML5 designerDreamweaver – hand coding PHP and SQL
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The Website
Allows a user to get access to their home HVAC system.
Will closely follow the format of the control system.
Will have all the same functionalities of the control system.
Will obtain all of the consumer’s data from their specific entry within the database.
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Main Page
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User Settings
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Scheduler
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Administration
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User Activity Diagram
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Web Server
Core of the projectStores web application and MySQL databaseAccessible to mobile and desktop browsersAccessible to the hardware (later!)
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Progress of Project
Testing
Software
Hardware
Design
Research
0% 10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
ProgressComplete
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Roles in the Project
Simulator Database Website Design
PCB Design0
1
2
3
4
5
6
DanielMarvinKevinChung
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Milestones
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Budget and FinancingPart Part Number Price
Temp/Humidity Sensor (3) SHT21 $143.51
LM73-Digital Temperature Sensor $.53
Personal Fan $30.00
Mood Scent Dispenser $15.00
VPack5.0V_AA $11.95
Jumper 2 Pin (10) PRT-09044 $3.20
Basic LED (10) COM-09592 $3.20
Secondary PCB $61.32
Main PCB (2) $66.00
Electrical Test $65.00
Wireless Router N/A $50.00
PIC32 USBII Starter Kit DM320003-2 $55.00
Fast 100 Mbps Ethernet PICTAIL Daughter Board
AC164132 $50.00
ZEROG 802.11 Wi-Fi Board AC164136-4 $60.00
LCD TFT 7" 800X480 White Touch Panel NHD-7.0-800480WF-CTXI#-T $107.00
Graphics Controller PICtail Plus Epson S1D13517 Board
AC164127-9 $119.99
Graphics Display Truly 7 800x480 Board AC1641279 $269.99
I/O Board Expansion DM320002 $72.00
Dreamweaver N/A $130.00
Shipping $65.00
Total $1378.69
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Issues
Dealing with numerous changes to the project description and budget
PCB construction
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Questions?