3 edition of Neural-net processing of characteristic patterns from electronic holograms of vibrating blades found in the catalog.
Neural-net processing of characteristic patterns from electronic holograms of vibrating blades
1999 by National Aeronautics and Space Administration, Glenn Research Center, National Technical Information Service, distributor in [Cleveland, Ohio], [Springfield, Va .
Written in English
|Other titles||Neural net processing of characteristic patterns from electronic holograms of vibrating blades|
|Statement||Arthur J. Decker.|
|Series||NASA/TM -- 1999-209195, NASA technical memorandum -- 209195..|
|Contributions||NASA Glenn Research Center.|
|The Physical Object|
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Neural-net technologies for inspecting the characteristic patterns of vibrating structures. Training sets are created most efficiently and most affordably from a computational model such as a finite element model.
A hybrid would be the next best approach, where a computational model was adapted with some experimental data. Get this from a library. Neural-net processing of characteristic patterns from electronic holograms of vibrating blades.
[Arthur J Decker; NASA Glenn Research Center.]. Electronic holography was used to generate characteristic patterns or mode shapes of vibrating rotors and rotor components. Artificial neural networks were trained to identify damage-induced. The participants of the conference believe in the promising future of research on Optical Data Processing as long as techniques are complemented by electronic support.
The book will be of value to electronics engineers, technicians, computer scientists, and computer engineers. Brian Fite's 5 research works with 17 citations and 83 reads, including: NASA/TM— Comparison of Computational–Model and Experimental–Example Trained Neural Networks for.
Holographic Graph Neuron: a Bio-Inspired Architecture for Pattern Processing Denis Kleyko, Evgeny Osipov, Alexander Senior, Asad I. Khan, and Y. Ahmet Sek¸ ercio˘glu Abstract—This article proposes the use of Vector Symbolic Architectures for implementing Hierarchical Graph Neuron, an architecture for memorizing patterns of generic sensor.
Terms in this set (12) The time required for a vibrating object to complete one full cycle is the. period. the unit of cycles per second is called a. hertz. the period of a vibrating object is related to the frequency since they are.
inversely proportional. a longitudinal mechanical wave. The W.S.E. reconstruction is achieved from the W.S.E. hologram, say with coherent light illumination as from normal holograms. Using an electronic implementation, it becomes possible to introduce convenient non-linearities in the processing.
In this way, phase-only W.S.E. holograms Cited by: 1. electronic holograms is discussed. A neural network is trained to transform two time-average holograms into a pattern related to the bending-induced-strain distribution of the vibrating component.
The bending distribution is very sensitive to component damage unlike the characteristic fringe pattern or the displacement amplitude distribution. Many possibilities were exploited and demonstrated in one or another HI application: surface contouring with two-wavelength, deformation of solids, vibration patterns observation with TAHI, flow analysis with multiple hologram recording and selective readouts.
The reader should refer to reviews of dynamic HI with PRCs in epapersjournal.icu: Marc Georges. Ruby Laser Holographic Interferometry Vibration Pattern Loud Speaker Holographic Plate These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm epapersjournal.icu: Tsuneyoshi Uyemura, Yoshitaka Yamamoto.
Neural-Net processing of characteristic patterns of vibrating structures is used routinely for non-destructive evaluation.l': The characteristic patterns (Figure 1) are generated using electronic time-average holography of the vibrating structure and are sub-sampled before processing.
Neural-net processing of these holograms constitutes a complete test of the concept of using a neural-net interlace lbr flows or structures. Finite element models of.
Conditioned to Learn Characteristic Patterns of Vibrating Blisks and Fan Blades At the NASA Glenn Research Center, we have been training artificial neural networks to interpret the characteristic patterns (see the leftmost image) generated from electronic holograms of vibrating structures.
These patterns not only visualize the vibration. Dec 02, · Holographic Nondestructive Testing presents a unified discussion of the principles and methods of holography and its application holographic nondestructive testing.
The book discusses in detail the basic theoretical concepts, the experimental methods for recording holograms, and different specialized holographic epapersjournal.icu Edition: 1.
Nov 26, · Here, instead of a conventional strain gauge made of a metal wire, we propose an optical fiber gauge. This gauge consists of two fibers for transmitting a beam from a light source and for receiving a reflecting-back beam, and in between them a concave mirror with a hole is settled.
TIME-AVERAGE HOLOGRAPHY OF OBJECTS VIBRATING SINUSOIDALLY WITH UNIFORM SLOW DRIFT C. VIKRAM and R. SIROHI Department of Physics, Indian Institute of Technology, New DelhiIndia Received 19 March The technique of desensitized holography has been suggested to extract information regarding the amplitude of sinusoidal vibration when Cited by: 4.
The process of downloading movies and televisions shows, on demand, via the Internet. Voice over Internet Protocol (VoIP) The process of placing telephone calls via the Internet.
Web bug A very small (usually invisible) image on a Web page that transmits data about the Web page visitor to. Journal of Electronic Imaging Journal of Medical Imaging Journal of Micro/Nanolithography, MEMS, and MOEMS Journal of Nanophotonics.
Aug 22, · Pattern processing in its most fundamental manifestation is enhanced by perception of the patterns in an emotional setting. Thus, hippocampus-dependent spatial pattern separation is enhanced when human subjects are shown fearful stimuli prior to testing pattern Cited by: Laser growth and processing of photonic devices is the first book to review this increasingly important field.
Part one investigates laser-induced growth of materials and surface structures, with pulsed laser deposition techniques, the formation of nanocones and the fabrication of periodic photonic microstructures explored in detail.
You can write a book review and share your experiences. Other readers will always be interested in your opinion of the books you've read.
Whether you've loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them. Abstract. Laser holographic interferometry has proved to be a useful tool for analysis of oscillating surfaces.
Unfortunately, optical interferometry is limited to vibration amplitudes of microns or less because of the short wavelength of laser light, and to small objects because of coherence requirements and the limited power in a dispersed laser epapersjournal.icu by: 2.
CONFERENCE PROCEEDINGS Papers Presentations Journals. Advanced Photonics Journal of Applied Remote Sensing. Optical Pattern Recognition: Using Holographic Techniques (Electronic Systems Engineering Series) [Neil Collings] on epapersjournal.icu *FREE* shipping on qualifying epapersjournal.icu: Neil Collings.
A Study of Vibrating Objects using Time-Average Holographic Interferometry Daniel L. Utley Physics Department, The College of Wooster, Wooster, Ohio May 02 Time-Average holographic interferometry was used to capture interference fringes of a vibrating soda can’s wall on a photosensitive glass plate.
Although interference fringes were. Measurement of Resonance Vibrations of Turbine Blades with the Elura Device, [I. Zablotskiy] on epapersjournal.icu *FREE* shipping on qualifying epapersjournal.icu: I. Zablotskiy. Mar 19, · These patterns show regions where damage might occur; however, the patterns of bending-induced strain for a vibrating object are much more effective at showing actual damage.
In order to transform characteristic patterns to bending-induced patterns, Glenn researchers are developing artificial intelligence "neural networks.". View homework0 from EECS at Massachusetts Institute of Technology.
MIT OpenCourseWare http:/epapersjournal.icu Power Electronics Spring For information about citing these materials or our. Abstract. Owing to the advantages of noncontact and fullfield measurement, an optical system called the amplitude fluctuation electronic speckle pattern interferometry (AFESPI) method with an out-of-plane setup is employed to investigate the vibration of a cantilever square plate with a Cited by: Pulsed digital holography combined with laser vibrometry for 3D measurements of vibrating objects.
the development of digital holographic interferometry and electronic speckle pattern i.e., such that the hologram interference patterns have different spatial frequencies for the three directions and thus it becomes possible to separate Cited by: NebulizersThatUseaVibratingMeshorPlate withMultipleAperturestoGenerateAerosol RajivDhandMD Intnidiiction DesignFeaturesofAerosolGeneratorsThatUseaVibratingMeshorPlate.
Furthermore, the depth of field is reduced as much as greater is the requirement for a high magnification and to obtain an extended focus image (EFI) of these objects remains one of the major challenges. In this work we propose and compare two different approaches to build the EFI of holograms Author: Marcella Matrecano, Melania Paturzo, Pietro Ferraro.
they have free electrons which can move freely throughout the metal. when light shines on these electrons, they vibrate and instead of energy springing from atom to atom it is reflected as visible light this is what appears as the shininess of metals.
Apr 26, · This paper presents a new ultrasonic elliptical vibration cutting (UEVC) device based on a sandwiched and symmetrical structure. The proposed UEVC device is able to work with the third resonant mode of longitudinal vibration and the sixth resonant mode of bending vibration.
Also, the vibration nodes of the two resonant modes were completely superposed at the center of the epapersjournal.icu by: 4. Sep 17, · The optical processing performed by a dynamic hologram is also much less flexible than electronic processing.
On one side, one has to perform the operation always on the whole image, and on the other side, the operation a hologram can perform is basically either a multiplication or a phase conjugation.
Volume 10, number 1 OPTICS COMMUNICATIONS January OPTIMIZATION OF RECORDING PROCESS IN LASER IRRADIANCE MODULATED TIME-AVERAGE HOLOGRAPHY OF SINUSOIDALLY VIBRATING OBJECTS C.S. VIKRAM Instrument Design Development Centre, Indian Institute of Technology, New Delhi, India Received 4 August Revised manuscript Author: C.S.
Vikram. Improved direct binary search-based algorithm for generating holograms for the application of holographic optical tweezers XuDong Zhao Jing Li Tao Tao Qian Long Xiaoping Wu University of Science and Technology of China College of Engineering Science Hefei,China E-mail: [email protected] Abstract.
true or false: falsetto utilizes the same vibratory pattern as modal phonation, with the exception that the vocal folds are vibrating at a much higher frequency during puberty males undergo a significant growth of muscle and cartilage, resulting in greater muscle mass and more prominent Adams Apple which lengthens the interior dimension of the.
Processing system for the analysis of particle displacement holograms Author(s): Callum Gray ; Clive A. Greated Show Abstract. MARKS PUBLISHED FOR OPPOSITION The following marks are published in compliance with section 12(a) of the Trademark Act of Applications for the.Start studying Psych Quizzes.
Learn vocabulary, terms, and more with flashcards, games, and other study tools. Search. the three different areas characteristic of each individual component. Hearing loss that occurs as a function of age is called. The wave form pattern of .Vibratory shear enhanced process (VSEP) is a membrane separation technology platform invented in and patented in by Dr.
J. Brad Culkin. VSEP's vibration system was designed to prevent membrane fouling, or the build-up of solid particles on the surface of the membrane.