6/1/2011 Team members: Duc Tran Tuan Ngo Giang Nguyen Peter Elabd Thien Nguyen The Duong Advisor:Dr....
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6/1/2011 Team members: Duc Tran Tuan Ngo Giang Nguyen Peter Elabd Thien Nguyen The Duong Advisor: Dr. Mark Weislogel Capstone 2011 Mobile Environment Chamber
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Transcript of 6/1/2011 Team members: Duc Tran Tuan Ngo Giang Nguyen Peter Elabd Thien Nguyen The Duong Advisor:Dr....
6/1/2011
Team members:
Duc TranTuan NgoGiang Nguyen
Peter ElabdThien NguyenThe Duong
Advisor: Dr. Mark Weislogel
Capstone 2011
Mobile Environment Chamber
• Introduction
• Basic requirements
• Design and manufacturing
• Validation
• Proposals
• Conclusion
OUTLINE
INTRODUCTION
A chamber that provides temperature controlled air to Solid State Drives (SSDs) while they are powered on and functionally tested.
BASIC REQUIREMENTS
Chamber
PC Controller
Facility Chiller
Actuator
Solid State Drives
Set T
• Temp. range: -5 oC to 65 oC
• Accuracy: ± 2 oC
• Temp. uniformity: ± 4 oC
• Transient:10 oC /minute
• Airflow: ≥0.5 m/s
• Capacity: 4-12 SSDs /chamber
• Mobility
Mobile temp. control system
DESIGNConcept selection
PROS CONS
Temperature uniformity Space constraint
Condensation prevention Number of SSDs
Counter-flow air movement
Manufacturing
Detailed Temperature Control System
Mechanical Model
Electrical System
RTD
AlarmAlarm
ValveValve
Power
Converter
Power
Converter
AC Power
AC Power
PCPC
GUIGUIGateway/
Controller
Gateway/
Controller
Control Board
Control Board
HeatersHeaters
FansFans
Software
GUIIntel®
ModbusService
Modbus
TCP/IP
• Profile loading• Data logging• Written in C#
• Data Package Processing
• Written in Python
Industrial standard Communication over TCP/IP network
Final Chamber
Final System
VALIDATION
VALIDATION
Temperature Uniformity
Test results:
Mean temp. difference: 0.64 oC Standard deviation: 0.39 oC Max: 1.6 oC Min: 0 oC
Requirement: Temperature difference: within ± 4 oC
Stability
40 45 50 55 6030
35
40
45
50
55
60
65
70
Performance
Set-Point
Time (minute)
Tem
p (
C)
70 72 74 76 78 80 82 84 86 88 90
-10
-8
-6
-4
-2
0
Time (minute)
Tem
p (
C)
Requirements: Maximum range: ± 2 oC from set point)
Maximum range: ± 1.6 oC
Extreme Max Temp Extreme Min Temp
Ramp rate (transient)
0 10 20 30 40 50 60 70 80 90 100-10
10
30
50
70
PerformanceSet-Point
Time (minute)
Tem
p (
C)
System:
Average Ramp up: 17.5 oC/minuteAverage Ramp down: 10.7 oC/minute
Requirement: Ramp rate : 10oC/minute (up and down)
Other Results & Requirements
Criteria Chamber Requirements
Mobility
Weight/Density Ratio (lb/in) 20.62 75
Dimensions (in) 19x5x5
19" Form Factor Yes Yes
Capacity Number of SSD's 6 4-12
AirflowMax (m/s) 14.6 NA
Min (m/s) 1.35 0.5
Use heater with finsProportional valveProportional controllerManufacturing process: StampingCapacity: larger chamber
19”x10”x10”
PROPOSALS
Requirements have been achieved:• Budget• Mobility• Mechanical Aspect• Electrical Aspect
Academic Achievement:•Technical Design Process•Teamwork•Project Management•Financial Management
CONCLUSION
Q & A
