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Item Information   Holdings       More by this author     Hoferitza, Mark A.     Subjects     Fourier transform spectroscopy     Materials fatigue     MSE Project.     Browse Catalog     by author:      Hoferitza, Mark A.       by title:      PC-based, real-time ...         MARC Display

PC-based, real-time vibration analyzer / by Mark A. Hoferitza. by Hoferitza, Mark A. Subjects Fourier transform spectroscopy   Materials fatigue   MSE Project. Description:  66 leaves : ill. ; 29 cm. Contents:  Advisor: George Smith. Committee member(s): Dr. Edward Chandler. Introduction -- Investigation -- Design considerations -- Functional description - external device -- Functional description - PC-based system -- Design verification - static tests -- Design verification - dynamic tests -- Problems -- Conclusions -- Appendix: Schematic -- 8051 assembly language code -- C language code -- Hardware users manual -- Software users manual -- Approval. Noise, vibration and harshness are concerns that affect many industries ranging from industrial to commercial. Vibrations are generally viewed as an early indication of impending component failure. At the opposite end of the spectrum, these vibrations may indicate total component failure. A need exists for a tool to aid in the investigation and identification of vibrations before failure occurs. Based on a review of available vibration analysis tools, a design was initiated that would meet the needs of many service personnel. The result was a spectrum analyzer which utilized the Decimation In Time Fast Fourier Transform (DIT FFT) and yields a 5 Hz resolution over the frequency range 0-1250 Hz. The analyzer took the form of an independent data acquisition platform, IBM compatible PC parallel port interface, and software to manipulate and display the vibration spectral content. Simulated and real world signals are compared for design verification.   Copy/Holding information Location Collection Call No. Status   Walter Schroeder Library Master's Theses AC805 .H637 1995 Item missing Add Copy to MyList Format: HTMLPlain textDelimited Subject:   Email to:

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