By Kimon P. Valavanis
This publication displays the paintings of best scientists within the box of clever keep watch over and its purposes, prognostics, diagnostics, dependent upkeep and unmanned structures. It comprises effects, and offers how idea is utilized to unravel actual problems.
Read Online or Download Applications of Intelligent Control to Engineering Systems: In Honour of Dr. G. J. Vachtsevanos (Intelligent Systems, Control and Automation: Science and Engineering) PDF
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Extra resources for Applications of Intelligent Control to Engineering Systems: In Honour of Dr. G. J. Vachtsevanos (Intelligent Systems, Control and Automation: Science and Engineering)
Koelemay, G. Kacprzynski, A. Ferri and G. Vachtsevanos, An integrated approach to helicopter planetary gear fault diagnosis and failure prognosis, in Proceedings of 42nd Annual Systems Readiness Technology Conference, AUTOTESTCON 2007, Baltimore, MD, September 2007. 11. R. D. Thesis, Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, 2007. Chapter 3 A Novel Blind Deconvolution De-Noising Scheme in Failure Prognosis Bing Zhang, Taimoor Khawaja, Romano Patrick, George Vachtsevanos,∗ Marcos Orchard and Abhinav Saxena1 Abstract With increased system complexity, Condition-Based Maintenance (CBM) becomes a promising solution to system safety by detecting faults and scheduling maintenance procedures before faults become severe failures resulting in catastrophic events.
B(f ) can be regarded as the de-noised vibration signal. value, the signal B(f ¯ ) converges to Z(f ). Through an inverse Fourier transform, At the same time, Z(f the de-noised vibration signal in the time domain can be obtained as well. 3 Vibration Data Analysis The vibration signals are derived from the main transmission gearbox of Blackhawk and Seahawk Helicopters. 4. The gearbox is mounted on a test cell and with a seeded crack fault on the planetary gear carrier. The following sections intend to describe the expected vibration data in the healthy and faulty gear carrier plate, respectively.
1 The crack of planetary gear carrier plate of the UH-60A helicopter. The main transmission of Blackhawk and Seahawk helicopters employs a fiveplanet epicyclic gear system, which is a critical component directly related to the availability and safety of the vehicle [6, 7]. 1. This resulted in major overhaul, re-design and replacement of gear plates with a high cost associated with these activities. Manual inspection of all transmissions is not only costly, but also time prohibitive . CBM could provide a cost-effective solution to reduce the work burden and enhance vehicle safety .