P18222: RIT Baja Two-Node DAQ
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Systems Design

Table of Contents

Team Vision for System-Level Design Phase

Team's plan for this phase:

Team's accomplishments for this phase:

Functional Decomposition

Functional Decomposition

Functional Decomposition

Benchmarking

Benchmarking

Benchmarking

The live Benchmarking document can be found here.

Research

For this phase, a lot of research was done on each component of the system. Research was done by talking to experts and reading information of websites and articles. The research was split into categories and can be seen in the table below.

Topic Research
Strain Gauges Research
Hall Effects Research
Thermocouples Research
Microcontrollers Research
Batteries Research
Noise Research
Cables Research
IP Standards Research
Enclosure Material Research

Feasibility

Analysis

Calculations were performed to determine the total cost, max current draw from each sensor, the total weight, memory usage and the size to ensure all engineering requirements are being met.

Total Cost and Max Current

Total Cost and Max Current

Total Weight and Size

Total Weight and Size

Total Memory

Total Memory

Testing

Lab testing was performed with strain gauges to get an understanding of the behavior of the strain gauges. Strain versus force was recorded and plotted as seen below.

Test 1

Test 1

Test 2

Test 2

Future Testing Plans

Morphological Chart

Morphological Chart

Morphological Chart

The live Morphological Chart can be found here.

Concept Selection

Possible Solutions

Possible Solutions

After the possible solutions were determined, they were compared against each other using selection criteria determined from the customer requirements. The results of concept selection are shown below. The five iterations of the concept screening can be see in the live document.

Concept Selection

Concept Selection

Although option D ranked number 1, the solution for the battery is not practical. After more analysis and research, the best solution will be determined.

The live Concept Selection document can be found here.

Systems Architecture

System Architecture

System Architecture

Design

Preliminary Schematic

Preliminary Schematic

Risk Assessment

The risk's of the project were reassessed and several new risks were added.
Risk Assessment

Risk Assessment

The live Risk Assessment document can be found here.

Plans for next phase

Phase 3 Schedule

Phase 3 Schedule

The live schedule can be found here.

Individual Plans

Member Plan
Odysseus Adamides Phase 3
Amanda Vallat Phase 3
Ross Erwin Phase 3
Joseph Green Phase 3

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