Dr. Holbert's Laboratories

Department of Electrical Engineering
Arizona State University

Process Diagnostics Laboratory

ProcessDiagnosticsLab Research within the Process Diagnostics Laboratory (PDL) is directed towards improving the efficiency, reliability, and safety by which industrial processes are operated and maintained---for instance electric power generating stations. For data analysis and processing, the laboratory includes various personal computers (PCs) with Internet access. PCs with simultaneous data acquisition and signal processing capabilities are also available. The laboratory is outfitted with signal conditioning and monitoring equipment (variable frequency high-pass and low-pass filters, amplifiers, signal generators, oscilloscopes, etc.) for collection of noise (vibration) data for equipment monitoring purposes. Recent projects have resulted in the development of fuzzy logic and neural network based failure analysis and diagnostic methods, and more accurate stability parameter information from reactor noise analysis. Ongoing projects include advanced sensor development for power distribution systems monitoring, and a smart sensor diagnostician.

Radiation Damage Laboratory

The Radiation Damage Laboratory (RDL) includes facilities for irradiation and in-situ testing of materials, components and systems. The available sources provide various dose rates, which can be configured to the particular testing objectives. Low-dose-rate studies are representative of those conditions encountered in the natural space environment. High-dose-rate irradiation can be used, for example, to test pacemakers that may be exposed to medical (chest) X-rays.

Whole Body Counting Laboratory

WholeBodyCounter The Whole-Body Counter Laboratory consists of a separate room with six inch steel shielding. A subject is horizontally positioned below four NaI(Tl) scintillation detectors. A computer-based multichannel analyzer acquires four independent gamma spectra from which the background spectra of each detector may be subtracted. A counting efficiency unique to the height and weight of the subject is obtained using calibration phantoms containing a KCl solution which emulates body attenuation. This facility was recently used in a multi-disciplinary project aimed at determining ethnic and age trends for body composition in women.


Last updated: July 17, 2006
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