Opto-Electric Guitar Pickup Multidisciplinary Senior Design I RIT - PowerPoint PPT Presentation

Opto-Electric Guitar Pickup Multidisciplinary Senior Design I RIT Spring/Fall 13323

Project Summary • See Attachment #1 – Project Summary • Replace traditional electromagnetic-based pick ups with photo-electronic one • Create aftermarket photo-electronic pickup for acoustic guitar • Objectives: – Detection of fundamental tones – Ability to switch between digital and analog processing paths – Maintain original structure and functionality of the guitar

Outline – System Design Review • Team Members • Project Plan • Project Requirements & Goals • Concept Generation & Selection • System Flowchart • Data Collection • Risk Assessment

Team Members • Rachel Arquette (Project Manager) (EE) • Caroline Lichtenberger (Lead Engineer) (EE) • Joe Mauger (EE) • Christopher Perry (EE) • Christopher Steele (ME) • Paul Hoops (EE) • Ye Kuang (EE)

Project Plan • See Attachment #2 – Project Schedule Project Schedule

Project Requirements & Goals • Project Requirement (Customer Needs) – See Attachment #3 Customer Needs

Project Requirements & Goals (2) • Project Specifications – See Attachment #4 Specifications Part 1

Project Requirements & Goals (3) • Project Specifications (Continued) Specifications Part 2

Concept Generation & Selection • Functional Decomposition – See Attachment #5 High-Level Functional Decomposition

Concept Generation & Selection (2) Mount Devices Functional Decomposition Branch

Concept Generation & Selection (3) Isolate Sound Functional Decomposition Branch

Concept Generation & Selection (4) Power System and Output Processed Signal Functional Decomposition Branches

Concept Generation & Selection (5) Display Status Functional Decomposition Branch

Concept Generation & Selection (6) • Brainstorming - See Attachment #6 • Example:

Concept Generation & Selection (7) • Morphological Chart – See Attachment #7 Morphological Chart Part 1

Concept Generation & Selection (8) Morphological Chart Part 2

Concept Generation & Selection (9) • System-Level Pugh Evaluation – See Attachment #8 System-Level Pugh Evaluation

System Flowchart • See Attachment #9 System Flowchart Part 1

System Flowchart (2) System Flowchart Part 2

Data Collection • See Attachment #10 • Measurements taken at sample rate of 44100 Hz • Highest frequency note has spectral content as high as ~2000 Hz • Targeting Nyquist rate of 4200 Hz Spectral Content of E5

Risk Assessment • See Attachment #11 Risk Assessment Part 1

Risk Assessment (2) Risk Assessment Part 2

What’s Next? • Detailed Design Work – Analog circuits for sensing unit – Analog circuits for analog path and post-amplifier – Digital signal processing path (hardware and software) – Processing unit box, sensing unit, and mounting mechanisms

Questions?