Temat: design feature - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Reconfigurable Machine Tool: Methodology of RMT Design
Autorzy:: Aladad, H.
D'Acunto, A.
Martin, P.
Powiązania:: https://bibliotekanauki.pl/articles/971118.pdf
Data publikacji:: 2008
Wydawca:: Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:: reconfigurable machine
tool machine
tool design
machining feature
process planning
Opis:: Reconfigurable Machine Tool (RMT) is the active issue to realize both the flexibility and productivity of manufacturing systems and satisfy the mass-customization production. The purpose of this paper is to present a RMT design methodology. Specifically, the part analysis and the RMT architectural modelling. The method of RMT design is focused on a simultaneous machining process using multi-spindle in a single RMT. Based on the concept of machining features, the process data, retrieved as a starting point in identifying various functions necessary to carry out a given part family, are displayed. Moreover, geometrical and kinematical architectures of RMT are defined as a result of the specification of all manufacturing processes of features to be machined. Where, all architectural solutions and the criterions related to select the suited solution are presented. Our methodology presents all activities allowing to pass from machining features of part to be machined to the structure of RMT.
Źródło:: Journal of Machine Engineering; 2008, 8, 1; 19-32
1895-7595
2391-8071
Pojawia się w:: Journal of Machine Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Design of Wearable EEG Device for Seizures Early Detection
Autorzy:: Gaidar, Viktoriia
Sudakov, Oleksandr
Powiązania:: https://bibliotekanauki.pl/articles/1844635.pdf
Data publikacji:: 2021
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: circuit design
statistical sampling
Hilbert-Huang transform
feature selection
Opis:: This paper presents the design of a wearable electroencephalography device and signal processing algorithm for early detection and forecasting of the epileptiform activity. The availability of the examination of functional brain activity for a prolonged period, outside of the hospital facilities, can provide new advantages in early diagnosis and intervention systems. In this study, the low-cost five-channel device is presented. The system consists of two main parts: the data acquisition and transmission units and processing algorithms. In order to create the robust epileptiform pattern recognition approach the application of statistical sampling and signal processing techniques are performed. The discrete wavelet and Hilbert-Huang transforms with principal component analysis are used in order to extract and select a low-dimension feature vector.
Źródło:: International Journal of Electronics and Telecommunications; 2021, 67, 2; 187-192
2300-1933
Pojawia się w:: International Journal of Electronics and Telecommunications
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: A method of object-oriented symbolical description and evaluation of machine elements using antipatterns
Autorzy:: Kacalak, W.
Majewski, M.
Tucholka, A.
Powiązania:: https://bibliotekanauki.pl/articles/99904.pdf
Data publikacji:: 2016
Wydawca:: Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:: machine design
automated design system
structural feature language
antipattern
Opis:: Authors propose a method of normalizing and analyzing structures, enabling automated cross-comparison of features observed in tested structures against predefined ones (both correct and incorrect reference elements). Application of this method, enables usage of numerical methods and neural networks for rapid classification of elements, while maintaining high level of flexibility, uncertainty and variety of input data. Additionally, a language, enabling symbolic representation of mechanical elements is presented and used in the demonstration of the proposed method applied to mechanical shafts. Authors explore one simple, and two more complex calculation models aimed at automation of the evaluation and rating of mechanical elements, with a purpose of improving the design and quality monitoring processes. Increase in efficiency of these processes results from applying proposed method as a tool for reducing common mistakes, faults, quality assessment time of large amounts of similar elements, or automatic suggesting of possible solutions.
Źródło:: Journal of Machine Engineering; 2016, 16, 4; 49-69
1895-7595
2391-8071
Pojawia się w:: Journal of Machine Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Rapid Design Optimization of Multi-Band Antennas by Means of Response Features
Autorzy:: Kozieł, S.
Bekasiewicz, A.
Powiązania:: https://bibliotekanauki.pl/articles/221503.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: antenna design
antenna measurements
computer-aided design
surrogate modelling
feature-based optimization
Opis:: This work examines the reduced-cost design optimization of dual- and multi-band antennas. The primary challenge is independent yet simultaneous control of the antenna responses at two or more frequency bands. In order to handle this task, a feature-based optimization approach is adopted where the design objectives are formulated on the basis of the coordinates of so-called characteristic points (or response features) of the antenna response. Due to only slightly nonlinear dependence of the feature points on antenna geometry parameters, optimization can be attained at a low computational cost. Our approach is demonstrated using two antenna structures with the optimum designs obtained in just a few dozen of EM simulations of the respective structure.
Źródło:: Metrology and Measurement Systems; 2017, 24, 2; 337-346
0860-8229
Pojawia się w:: Metrology and Measurement Systems
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: A study of the relationship between online movie reviews and the intention to watch the movie
Autorzy:: Shieh, Hwai-Shuh
Lin, Szu-Yu
Powiązania:: https://bibliotekanauki.pl/articles/2138706.pdf
Data publikacji:: 2022
Wydawca:: Uniwersytet Ekonomiczny w Katowicach
Tematy:: source of eWOM
content feature of eWOM
online movie review
between-subject design
Opis:: Aim/purpose – This study explores how the content feature and source of eWOM affect people’s intentions and further analyses the effectiveness of eWOM on people’s intention to watch movies. Design/methodology/approach – The study considers two dimensions of movie reviews, including the source (anonymous or acquaintance) and the content feature (concrete or abstract), adopts a 2x2 between-subject design, and then analyzes online questionnaires (N = 313) via statistics analysis methods. Findings – The findings showed that if the source is from an acquaintance and the content feature is concrete, then people will have the highest intention to watch the movie. In addition, the acting skills of the cast and the love of the movie genre also enhance the positive influence on the viewer’s experience. Research implications/limitations – The respondents were selected only in Taiwan so this paper do not explain any differences among different countries. For example, cultural differences exist between the West and the East in the content feature of eWOM. Originality/value/contribution – If a type of genre is greatly accepted by the audience and generates huge box-office revenue, then producers and movie companies might keep making movies in these kinds of genre to secure profits. Therefore, box-office movies will usually fall into these certain types of genres, and there will be an abundance of them released in the near future.
Źródło:: Journal of Economics and Management; 2022, 44; 344-375
1732-1948
Pojawia się w:: Journal of Economics and Management
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Design and Cultural Aspects of 20th Century Chinese Xiangjin Brocade
Autorzy:: Wenji, Zhao
Rongrong, Cui
Li, Niu
Powiązania:: https://bibliotekanauki.pl/articles/2172002.pdf
Data publikacji:: 2022
Wydawca:: Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
Tematy:: Xiangjin brocade
design feature
oriental art feature
weaving technique
pattern schema
Opis:: As one of the representative silk-woven artworks of the 20th century in China, Chinese Xiangjin brocade, well-known as "the flower of Oriental art", draws on the essence of Sichuan brocade, Yun brocade, Song brocade, so as to form its own unique artistic style. It also takes the lead in the innovation of traditional brocade in key processes such as craftsmanship, design and jacquard, whose drawing technique is the exact core skill making it intangible cultural heritage. So far, there have been few studies on crafts and textile design in China before the 20th century or even after the reform and opening up, and rather fewer studies on the structure of Xiangjin brocade in the 20th century. This paper attempts to record and classify 1008 pieces of Xiangjin brocade in the Suzhou Silk Archive, China, as well as to find out their design features, oriental flavour, and unique weaving techniques. In addition, the cultural connotation of Xiangjin brocade as the painting medium was also put forward by analysing those brocades’ historical texts, images, and style.
Źródło:: Fibres & Textiles in Eastern Europe; 2022, 3 (151); 116--129
1230-3666
2300-7354
Pojawia się w:: Fibres & Textiles in Eastern Europe
Dostawca treści:: Biblioteka Nauki

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