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Systems Design

Table of Contents 1 Team Vision for System-Level Design Phase 2 Functional Decomposition 3 Benchmarking 4 Concept Development 4.1 Purpose 4.2 Concept Generation 4.3 Sensor Concepts 4.4 Determining Successful Object Retrieval Concepts 4.5 Electronic System Concept 4.6 Outputs and Destination 5 Morphological Chart 6 Concept Selection 7 Pugh Tables 8 Final Concept 9 Systems Architecture 10 Feasibility: Prototyping, Analysis, Simulation 10.1 Videos 11 Designs and Flowcharts 12 Risk Assessment 13 Plans for next phase

Team Vision for System-Level Design Phase

Plan

The plan for this phase of the project was to look deeper into the problem that was defined during Phase 1 and determine what needed to be accomplished at a systems level.

During this phase our group linked with group P16229 to discuss the detailed needs of the Robofish from the tail to the head. We were able to establish what qualities the Robofish should have that would benefit both of the teams.

The functional decomposition was created during this phase. It was used to distinguish the "how's" and the "why's" of the Robofish's functions from a system level to a subsystem level. Another task that was accomplished was describing the solutions to potential problems that could occur. A morphological table was designed so an overview of all of our options could be looked at to decide which components will contribute the most to the success of the Robofish. These steps were taken to look into the system design in order to meet customer and engineering requirements as best as possible.

Functional Decomposition

Benchmarking

• Air Muscle calculations taken from previous group (P13029)

Concept Development

Purpose

Generate new concept options or combinations that can potentially exceed the benchmark concepts

Concept Generation

Sensor Concepts

Determining Successful Object Retrieval Concepts

Electronic System Concept

Outputs and Destination

List of multiple viable concept options to provide each function.

Morphological Chart

Concept Selection

Pugh Tables

Final Concept

Systems Architecture

Feasibility: Prototyping, Analysis, Simulation

Videos

Divingstick test:This video is to demonstrate actual falling of a diving stick.

Pump Test:This video is to demonstrate non-passive tank elevation.

Designs and Flowcharts

• At this point in time we have nothing to add to this section. More visuals will be coming with the next review.

Risk Assessment

The risk assessment can be viewed here

Plans for next phase

• Continue testing with the diving sticks

• Investigate more into the tank design using compressed air as a source for buoyancy

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