Self-Tuning Musical Chime

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Self-Tuning Musical Chime. Mickey Heynen Beth Lopour Tyler Smith Experimental Engineering (ME 224) Professor Espinosa June 6, 2003. Outline. System Overview Mechanical System Experimental Setup and Procedure Demo Data Results. System Overview. 1. User inputs desired frequency - PowerPoint PPT Presentation

Transcript of Self-Tuning Musical Chime

  • Self-Tuning Musical ChimeMickey HeynenBeth LopourTyler Smith

    Experimental Engineering (ME 224)Professor EspinosaJune 6, 2003

  • Outline System Overview Mechanical System Experimental Setup and Procedure Demo Data Results

  • System Overview1. User inputs desired frequency2. Chime is struck, and LabVIEW determines frequency of resulting tone3. Actual frequency is compared to target frequency4. DC motor raises or lowers the chime4. Steps 2-4 are repeated until target frequency is reached5. Chime is struck again, sound is recorded

  • Mechanical SystemChimeReservoirServomotor / StrikerDC motor / Pulley RodMicrophone-- Overview

  • Mechanical System-- SpecificsDC Gear Motor

    Operating range: 4.5VDC to 12VDC No load current: 48mA No load speed: 44rpm Current @ Max efficiency : 172mA Speed @ Max efficiency: 35rpm Torque with load @ max efficiency: 2.37kg/cm Gear ratio: 100:1

  • Mechanical System-- SpecificsServomotor

    Voltage:4.8V to 6V Speed: .16 sec/60 degrees Torque: 49 oz-in (3.57kg/cm) 6 volt

  • Experimental Setup and Procedure

  • Experimental Setup and Procedure

  • Demo

  • Data-- Correct frequency detected?

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