Date post: | 18-Dec-2015 |
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Engineering
● Application of scientific and mathematical principles
● Identify an engineer– B.A.Sc.
e.g. www.eng.uwaterloo.ca
– Registered www.peo.ca
– Iron Ring www.ironring.ca
Engineer In Residence
● PEO outreach program● Match engineers with
schools www.eir.ca
● Bridge the gap that can exist between the real world and classroom theory
● Teacher & EIR are volunteers
Background
● Derrick [email protected]
● Engineer 25 years● Develop software for
Autodesk www.autodesk.com
● Daughters in Grade 11 at Lisgar and Grade 6 at Knoxdale PS
● Active on School Council for 8 years
The Weather Station Project
● Solar powered sensor unit with radio link to a laptop based data collecting station in the classroom
● Summative project for Weather strand of Grade 10 science
● Budget < $1000
Power
● Retail solar panel● Short winter days are a
challenge (1 Watt req.)● Surplus lead-acid
batteries● Canadian Tire
www.canadiantire.ca
5 Watts @ 12 Volts#11-1881-0 $69.99
Microcontroller
● BasicX-24 www.basicx.com ● 16 digital 8 analog I/O● Serial communication● 32K EEPROM● RobotShop
www.robotshop.ca
development systemRB-Net-04 $143.99
Telemetry
● Low power FM modules
● Concrete floors & metal roofs are a challenge
● Abacomwww.abacom-tech.com
RTF3 & RRF1 $54.50
Design
● 4 or 5 groups● 3 or 4 instruments ea.
= 2 groups/instrument● Generate valid
alternative designs● Goal – understanding
scientific principals● Design competition?
Evaluate
● Compare designs pair wise against a set of criteria
● Quantify “quality”● Choose “best” design
for each instrument● Examine hybrid
designs (best of both)● Robustness is the key
Construct
● Order parts● Construct components● Assemble instrument● Test● Iterate design● Integrate with
microcontroller
Calibrate
● Experimental design● Setup● Measurement● Error analysis● Iterate design● Report● Aging (burn in)
Install
● Mechanical fitting● Electrical fitting● Integration with other
components● Mount on roof● Acceptance test
Monitor
● Data collection● Analysis● Comparison with
published meteorological data
● Web interface?● Electronic bulletin
board interface?