SLIDE 1
Team Members: Bradley Pasbjerg Chengeng Qu Matthew Marcantonio Ali Behbehani Facilitator:
- Prof. Lixin Dong
Team Members: Facilitator: Bradley Pasbjerg Prof. Lixin Dong - - PowerPoint PPT Presentation
Team Members: Facilitator: Bradley Pasbjerg Prof. Lixin Dong - - PowerPoint PPT Presentation
Team Members: Facilitator: Bradley Pasbjerg Prof. Lixin Dong Chengeng Qu Matthew Marcantonio Company contact: Ali Behbehani Jeffri Narendra Design Specification Solution Risk Analysis Progress Schedule Budget
SLIDE 2
SLIDE 3
Temperature accuracy:
- Within ±1C˚
Temperature range:
- -40C˚ to 85C˚
Fast heating 24/7 operation Temperature deviation alert
SLIDE 4
Control System:
- PWM
- PID
Cooling System:
- Liquid Nitrogen
Temperature Sensor:
- Accuracy
- Size
Digital User Interference
SLIDE 5
User Interface (12 button keypad) Microcontroller Temperature Sensor Chamber PID Control Algorithm Phase Fired Controller Alert system
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Phase fired controller
SLIDE 7
PID Control Unit PID Type C equation
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PID algorithm determines phase control
position
Zero Cross detector triggers interrupt
which begins a timer on the MCU
Phase controller triggered after timer
reaches set point
Should work for both heating and cooling
SLIDE 9
Working with wall voltage at high current.
- 120V AC @ 15A
Existing insulation is good enough Thermodynamics of the chamber
SLIDE 10
Heater Batteries
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Components Ordered User Interface Functional Interrupt functional, but sporadic. Zero
cross detector might not be getting a high enough voltage from our 10V test source. Testing with AC line voltage needs to be done.
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Implement Design March / 20th - 30th Testing Design April / 5th – 18th Prepare for Design Day April / 23th – April / 27th
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Microcontroller Provided Temperature Sensors $7 Liquid Nitrogen $50 Keypad $8 Alternistor $.73 LCD Provided Zero Cross Detector $.67 Total $66.40
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