P18317: Precision Optical Transducers Test Bed

Systems Design

Table of Contents

Team Vision for System-Level Design Phase

Phase II Goals:
Goals Status
Perform testing of attenuators from customer Complete
Determine the range, resolution, and accuracy needed in measurements Complete
Request lab space from Stefan Complete
Determine feasibility of visual inspection Complete
Brainstorm possible solution implementations Complete
Add numerical constraints to engineering requirements Complete
Identify the optical, electrical, software, and interconnection high-level needs for the system Complete
Research types of sensors, embedded systems, user interfaces, and port cleaning methods Complete
Research modules that can be built into the test fixture In Progress
Make high-level software flow diagram Complete
Create 3D model auto-fixture Complete
Identify testing methods for failure cases Complete
Experimentally verify testing methods for failure cases Not Complete
Read the datasheet of the optical attenuators that POT currently uses Complete

Phase II Additional Accomplishments:

Functional Decomposition

A top-down functional decomposition was created to better conceptualize our project deliverable of testing optical attenuators.

Morphological Chart

Morphological Chart

Morphological Chart

Selection Criteria

  1. Form factor (fitting within rack frame)
  2. Cost
  3. Accuracy of test
  4. Safety
  5. Complexity of implementation
  6. Manufacturability (feasibility: how easy it is to create)
  7. Test speed
  8. Ease of user input
  9. Ease of display
  10. Serviceablity (Design for test)
  11. time to develop (programming, work hours, etc.)
  12. Scalability (expansion to multiple ports)

Pugh Analysis

Put Pugh Chart here

Engineering Metrics

Put Engineering Metrics here
The Customer Requirements chart is here: Customer Requirements

Feasibility: Prototyping and Simulation

The team created a physical mock-up of the auto test fixture.
Mock Up Image

Mock Up Image

Concept Selection

Put Concept Alternatives here

Fiber Optical Paths

Optical Path 1310 and 1550 nm (IL & RL)

Optical Path 1310 and 1550 nm (IL & RL)

Optical Path 1310 and 1550 nm (IL Only)

Optical Path 1310 and 1550 nm (IL Only)

Optical Path 850 nm (IL & RL)

Optical Path 850 nm (IL & RL)

Optical Path 850 nm (IL Only)

Optical Path 850 nm (IL Only)

Designs and Flowcharts

System Block Diagram

System Block Diagram

High Level Software Flowchart

High Level Software Flowchart

Risk Assessment

Design Review Materials

Presentation: PDF II & Notes II

Plans for next phase

Put Gantt Chart i here
Put Gantt Chart ii here

The working Gantt Chart can be found here: Gantt Chart II

Individual Plans

Erica Butler's Three Week Plan: Erica's Phase III Goals

Nathan Rummage's Three Week Plan: Nathan's Phase III Goals

Neville Mogent Jr.'s Three Week Plan: Neville's Phase III Goals

Elizabeth Hughes' Three Week Plan: Elizabeth's Phase III Goals

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