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Mobile Environment Chamber Internal/External Search - PowerPoint PPT Presentation


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Mobile Environment Chamber Internal/External Search. Team members:. Duc Tran Tuan Ngo Giang Nguyen. Peter Elab Thien Nguyen The Duong. Advisor:. Dr. Mark Weislogel. Problem Identification. Needs Assessment. Objective. Requirements. Concept Generation. Concept Evaluation.

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Presentation Transcript
slide1

Mobile Environment Chamber

Internal/External Search

Team members:

Duc Tran

Tuan Ngo

Giang Nguyen

Peter Elab

Thien Nguyen

The Duong

Advisor:

Dr. Mark Weislogel

slide2

Problem Identification

Needs Assessment

Objective

Requirements

Concept Generation

Concept Evaluation

We are here!

Proposal

PDS

  • Outline
  • PDS Review
  • External Search
  • Internal Search
  • Concept Evaluation and Selection
  • Conclusion
pds review
PDS Review
  • Requirements
  • Temp. range: -5oC 105oC
  • Accuracy: ± 2oC
  • Temp. uniformity: ± 4oC throughout the chamber
  • Ramp rate:10oC /minute
  • Airflow: 0.5 to 5 m/s across DUT

Controller

PC

Set T

Facility

Chamber

Actuator

Solid State Drives

external search
External search
  • Literature/Patent Search
  • Disk Drive Test Chamber
  • Socket for Disk Drive Tester
  • Efficient Air Flow Chamber
  • De-humidification
external search1
External search
  • Literature/Patent Search
  • Disk Drive Test Chamber
  • U.S. Patent No. 5,851,143
  • Socket for Disk Drive Tester
  • Efficient Air Flow Chamber
  • De-humidification
external search2
External search
  • Literature/Patent Search
  • Disk Drive Test Chamber
  • Socket for Disk Drive Tester
  • Efficient Air Flow Chamber
  • De-humidification

U.S. Patent 6,124,707

(Samsung)

U.S. Patent 6,806,700

(Pemstar)

external search3
External search
  • Literature/Patent Search
  • Disk Drive Test Chamber
  • Socket for Disk Drive Tester
  • Efficient Air Flow Chamber
  • U.S. Patent No. 7,111,211
  • De-humidification
external search4
External search
  • Literature/Patent Search
  • Disk Drive Test Chamber
  • Socket for Disk Drive Tester
  • Efficient Air Flow Chamber
  • De-humidification
  • Compressed dry air
  • Condensation (from air stream)
external search5
External search

Similar Product Benchmarking

external search6
External search

Interview expert

Dr.Mark Weislogel

Thermal and Fluid Sciences Group

  • Thermal & Fluid problem expert
  • Concept review & suggestion
  • Thermal analysis guidance
internal search
internal search

Concept tree

Environmental Chamber

Controller

Heating/Cooling

Sensors

Direct connect

Gateway

Counter Flow

Conventional

Thermo-couples

Ther-mistors

RTD

internal search1
internal search
  • Electrical Components
  • PID Controller
  • Heater
  • Temperature sensor
  • Chiller
  • Industrial temperature and process controllers
  • Automatically adjust outputs based on sensor feedback
  • Control process variables: temperature, flow, pressure and relative humidity
  • Real-time communication with PC
  • Intel recommended
internal search2
internal search
  • Electrical Components
  • PID Controller
  • Heater
  • Temperature sensor
  • Chiller
  • Wide-range of temperature: 200oC (390F)  1200oC (2200F)
  • Selection based on actual mechanical shape and size
  • Off-the-shelf heater is preferred (Intel’s inventory)
internal search3
internal search
  • Electrical Components
  • PID Controller
  • Heater
  • Temperature sensor
  • Chiller
  • Thermocouple
  • Voltage output
  • Low accuracy
  • Very high temp. range
  • RTD(Resistive Thermal Devices)
  • Resistance output (metal based)
  • Below 600 °C range
  • High accuracy and repeatability (low drift)
  • Thermistor
  • Resistance output (ceramic/polymer based)
  •  Limited temperature range (−90 °C to 130 °C)
  • Small package and cheap
internal search4
internal search
  • Electrical Components
  • PID Controller
  • Heater
  • Temperature sensor
  • Chiller
  • Re-circulating chillers
  • Min temperature: -40oC
  • Reservoir Size: 2 Liters
  • Intel provided
internal search5
internal search

Heating/Cooling Concepts

  • Technical Problems that designs must address
    • Heat Flux
    • Condensation
    • Thermal uniformity
    • Airflow requirements
concept selection
Concept selection

Counter flow Design

`

Cooling Coils

(Chilled Water)

Intel SSD’s

(Solid State Drives)

Heating Coils

(Resistance)

Circulating Fans

concept selection1
Concept selection

Low Risk Design

Intel SSD’s

(Solid State Drives)

Heating Coils

(Resistance)

Cooling Coils

(Chilled Water)

concept selection2
Concept selection

Conventional Design

conclusion
Conclusion
  • Low Risk Design
  • Conventional Design
  • Counter flow Design
    • Further Plans
      • Continue Analysis on each design
      • Computer Simulation
      • Concept/Design Selection
      • Part Selection