Study, design and manufacture eddy current probes for industry applications

2021 ◽  
Vol 6 (2) ◽  
pp. 52-64
Author(s):  
Phuc Nguyen ◽  
Van Thuy Nguyen ◽  
Binh Duong Vuong ◽  
Minh Duc Do ◽  
Dinh Truong Trinh ◽  
...  
Keyword(s):  
Study Design ◽  
Eddy Current ◽  
Analytical Methods ◽  
Mode Of Operation ◽  
Industry Applications ◽  
Design And Manufacture

This study is based on the studying, designing and manufacturing of eddy current probes for industry applications. The main tasks of this study include: + Describes the overview and classification of eddy current probes (which can be classified into three categories based on the mode of operation: absolute eddy current probe, differential eddy current probe and reflect eddy current probe). + Describes the three methods of probe designing and manufacturing (including experimental, analytical and numerical designs). + Describes the designing and manufacturing of eddy current probes for industry applications, which based on experimental and analytical methods. Based on this study, we have successfully manufactured some current probes (including absolute eddy current probe, differential eddy current probe and reflect eddy current probe) for surface and tube inspections.

scholarly journals Investigasi pengaruh pengenceran sampel madu pada proses klasifikasi madu menggunakan uv spectroscopy dan kemometrika

2021 ◽  
Vol 26 (2) ◽  
pp. 72
Author(s):  
Diding Suhandy ◽  
Meinilwita Yulia ◽  
Kusumiyati Kusumiyati ◽  
Siti Suharyatun ◽  
Sri Waluyo
Keyword(s):  
Spectral Data ◽  
Analytical Methods ◽  
Uv Spectroscopy ◽  
Honey Sample ◽  
Distilled Water ◽  
Pca Analysis ◽  
Spectra Analysis ◽  
Uv Visible ◽  
Sample Dilution

One form of honey adulteration is label adulteration for some premium honey such as uniflora honey from the honeybee species Trigona sp. One of the analytical methods that are currently developing and have the potential to perform the classification of premium honey in Indonesia is the UV spectroscopy method. In this study, an investigation was carried out on the effect of dilution on the performance of UV spectroscopy in the process of classifying Indonesian honey with different honeybees. A total of 4 types of honey samples with 10 samples each were used in this study. The honey sample was then diluted using distilled water. Each type of honey was given two dilution treatments, namely 1:20 (volume: volume) dilution of 5 samples and 1:40 (volume: volume) dilution of 5 samples. Spectral data were taken using a UV-visible spectrometer with a wavelength of 190-1100 nm (Genesys™ 10S UV-Vis, Thermo Scientific, USA) using the transmittance mode. The results of spectra analysis generally show that the sample with a 1:20 dilution has a higher absorbance intensity for both the original and modified spectra. The PCA results for each dilution showed that the honey samples could be separated into four different clusters for both 1:20 and 1:40 dilutions. The results of PCA analysis using all samples showed that the honey samples were classified into eight different clusters showing a significant effect of differences in honey sample dilution on the classification process of honey samples based on differences in the types of honeybees.

Field Trials of the 1987 Draft of Chapter V (F) of ICD-10

1988 ◽  
Vol 152 (S1) ◽  
pp. 33-37 ◽  
Author(s):  
Jack D. Burke
Keyword(s):  
Mental Health ◽  
Diagnostic Criteria ◽  
Study Design ◽  
Field Trial ◽  
Developmental Disorders ◽  
International Classification Of Diseases ◽  
Field Trials ◽  
Classification Of Diseases ◽  
Icd 10

IntroductionThis paper will review the major objectives and study design of the Field Trials of the draft chapter on Mental Behavioural and Developmental Disorders in the tenth revision of the International Classification of Diseases (ICD-10), now in preparation. The text used in this Field Trial is the Clinical Descriptions and Diagnostic Guidelines, which is more elaborate than the Short Glossary for this chapter that will be published in the main volume of ICD-10. The text for the former will be published together with the Diagnostic Criteria for Research and other parts of the WHO family of instruments relevant to mental health.

scholarly journals Conductivity Classification of Non-Magnetic Tilting Metals by Eddy Current Sensors

Sensors ◽  
2020 ◽  
Vol 20 (9) ◽  
pp. 2608 ◽  
Author(s):  
Yue Du ◽  
Zhijie Zhang ◽  
Wuliang Yin ◽  
Shuang Zhu ◽  
Ziqi Chen ◽  
...  
Keyword(s):  
Eddy Current ◽  
Convenient Method ◽  
Mutual Inductance ◽  
Classification Algorithm ◽  
Phase Compensation ◽  
Classification Rate ◽  
Industrial Economy ◽  
Waste Classification ◽  
Resource Reuse

Metallic waste classification benefits the environment, resource reuse and industrial economy. This paper provides a fast, non-contact and convenient method based on eddy current to classify metals. The characteristic phase to characterize different conductivity is introduced and extracted from mutual inductance in the form of amplitude and phase. This characteristic phase could offer great separation for non-tilting metals. Although it is hard to classify tilting metals by only using the characteristic phase, we propose the technique of phase compensation utilizing photoelectric sensors to obtain the rectified phase corresponding to the non-tilting situation. Finally, we construct a classification algorithm involving phase compensation. By conducting a test, a 95 % classification rate is achieved.

Hybrid Models for Conjoint Analysis: An Expository Review

1984 ◽  
Vol 21 (2) ◽  
pp. 155-169 ◽  
Author(s):  
Paul E. Green
Keyword(s):  
Conjoint Analysis ◽  
Hybrid Models ◽  
Comparative Performance ◽  
Future Studies ◽  
The Past ◽  
Industry Applications ◽  
Validation Tests ◽  
Data Collection Effort

Over the past few years hybrid models for conjoint analysis have been developed to reduce data collection effort and time. Hybrid models combine features of self-explicated utility measurement with more traditional conjoint analysis. A classification of hybrid models is presented, followed by a review of their comparative performance in cross-validation tests. Though hybrid models represent an attempt to cope with an important practical problem in industry applications of conjoint techniques, these models entail a number of untested assumptions requiring further theoretical analysis and empirical research. Suggestions are offered on future studies that are essential before the role of hybrid models in conjoint methods can be evaluated properly.

scholarly journals Out with the old and in with the new: time to rethink twentieth century chemotaxonomic practices in bacterial taxonomy

2021 ◽  
Vol 71 (11) ◽  
Author(s):  
Peter Vandamme ◽  
Iain Sutcliffe
Keyword(s):  
Twentieth Century ◽  
Peer Review ◽  
Analytical Methods ◽  
Novel Species ◽  
Genomic Data ◽  
Polyphasic Approach ◽  
Species Delineation ◽  
Bacterial Taxonomy ◽  
Do So

Chemotaxonomic methods played an important role in the development of the polyphasic approach to classification of Archaea and Bacteria. However, we here argue that routine application of these methods is unnecessary in an era when genomic data are available and sufficient for species delineation. Thus, authors who choose not to utilize such methods should not be forced to do so during the peer review and editorial handling of manuscripts describing novel species. Instead, we argue that chemotaxonomy will thrive if improved analytical methods are introduced and deployed, primarily by specialist laboratories, in studies at taxonomic levels above the characterisation of novel species.

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