• Title/Summary/Keyword: Japanese engineering

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Japanese Vowel Sound Classification Using Fuzzy Inference System

  • Phitakwinai, Suwannee;Sawada, Hideyuki;Auephanwiriyakul, Sansanee;Theera-Umpon, Nipon
    • Journal of the Korea Convergence Society
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    • v.5 no.1
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    • pp.35-41
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    • 2014
  • An automatic speech recognition system is one of the popular research problems. There are many research groups working in this field for different language including Japanese. Japanese vowel recognition is one of important parts in the Japanese speech recognition system. The vowel classification system with the Mamdani fuzzy inference system was developed in this research. We tested our system on the blind test data set collected from one male native Japanese speaker and four male non-native Japanese speakers. All subjects in the blind test data set were not the same subjects in the training data set. We found out that the classification rate from the training data set is 95.0 %. In the speaker-independent experiments, the classification rate from the native speaker is around 70.0 %, whereas that from the non-native speakers is around 80.5 %.

Investigation Research of Originality and Modernity on Japanese Traditional Textiles' Design (일본 전통 염직디자인의 고유성 및 현대성 조사 연구)

  • Lee, Kyung-Hee;Miyazaki, Kiyoshi
    • Fashion & Textile Research Journal
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    • v.8 no.4
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    • pp.391-399
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    • 2006
  • Modern Japan has been known as the country manufacturing Shin-gosen that denotes Japanese synthetic fiber. Japan has long traditon of weaving and dyeing of local traditional Textiles. Japanese traditional weaving and dyeing methods have been handed down through hundred years and various type of textiles have been fabricated in different regions. Japanese modern worldly famous fashion designers are recognized by using the Japanese traditional textiles. Traditional textiles of Japan are inherited in the present age and become the source of inspiration for modern Japanese fashion designers. This research investigated the originality and modernity of 10 kinds of main Japanese traditional textiles by design servey, 5kinds of weaving methods and 5kinds of dyeing methods. The 5kinds weaving methods include Kasuri, Shima, Cizimi, Zohu, Chumugi and 5kinds dyeing methods include Izome, Katazome, Tuzukaki, Uzen, Shibori dyeing.

The Japanese Marine Industry Today and Tomorrow (2. 조선.해양 기자재산업의 개발동향 (1) 일본)

  • Tayama, Keijiro
    • Journal of Advanced Marine Engineering and Technology
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    • v.25 no.6
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    • pp.1183-1189
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    • 2001
  • The Japanese marine industries have made great contribution not only to the Japanese shipbuilding industry but also to the shipbuilding industry of many countries, Marine industries cover many products and one of the major area is propulsion engines. In this paper the author describes about the present situation of the engine industry and anticipate the future of the industry considering present surrounding circumstances.

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The nature of TQC and effective utilization (TQC의 본질과 효율적 적용)

  • 송문익
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.12 no.20
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    • pp.81-89
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    • 1989
  • This paper attempted to suggest that Korean corporations are to infuse their TQC practice with strategic component. The general concept of TQC was reviewed. Then the nature of TQC systems in the two coon tries. U.S. and Japan. were analyzed. QC circles and the rank and file members of factories are the driving force of Japanese TQC whereas TQC in U. S. tends to be specialist-oriented in practice. Japanese market strategies were also discussed in order to examine the possible connection of Japanese TQC with Japanese corporations' competition strategies.

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Japanese Speech Based Fuzzy Man-Machine Interface of Manipulators

  • Izumi, Kiyotaka;Watanabe, Keigo;Tamano, Yuya;Kiguchi, Kazuo
    • 제어로봇시스템학회:학술대회논문집
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    • 2003.10a
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    • pp.603-608
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    • 2003
  • Recently, personal robots and home robots are developing by many companies and research groups. It is considered that a general effective interface for user of those robots is speech or voice. In this paper, Japanese speech based man-machine interface system is discussed for reflecting the fuzziness of natural language on robots, by using fuzzy reasoning. The present system consists of the derivation part of action command and the modification part of the derived command. In particular, a unique problem of Japanese is solved by applying the morphological analyzer ChaSen. The proposed system is applied for the motion control of a robot manipulator. It is proved from the experimental results that the proposed system can easily modify the same voice command to the actual different levels of the command, according to the current state of the robot.

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Phenolic Compounds from Japanese Anise (Illicium anisatum L.) Leaves

  • Shinn, Seong-whan;Min, Hee-Jeong;Bae, Young-Soo
    • Journal of the Korean Wood Science and Technology
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    • v.47 no.1
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    • pp.1-7
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    • 2019
  • Japanese anise (Illicium anisatum L.) leaves were collected and ground after drying, then immersed with 50 % aqueous acetone for 3 days. After filtration, the extracts were fractionated with n-hexane, chloroform ($CHCl_3$), ethylacetate (EtOAc) and $H_2O$, and then freeze dried after concentration. A portion of EtOAc (3.12 g) and $H_2O$ (6.08 g) soluble fractions were chromatographed on a Sephadex LH-20 column with various aqueous MeOH solution to isolate the compounds. Compound 1 ((+)-catechin) was isolated from EtOAc soluble fraction. Compounds 2 (quercetin), 3 (quercitrin) and 4 (2''-O-rhamnosylvitexin) were isolated from $H_2O$ soluble fraction. For the first time, quercitrin (3) and 2''-O-rhamnosylvitexin (4) of the isolated compounds were obtained from the extracts of japanese anise leaves.

The Study on the Japanese Type Certification System for Domestic Aircraft (일본 항공기 형식증명 제도에 대한 고찰)

  • Park, Guen-Young;Jin, Young-Kwon;Lee, Jong-Hee
    • Journal of Aerospace System Engineering
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    • v.5 no.2
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    • pp.18-26
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    • 2011
  • This is the study to introduce the Japanese Type Certification System for Domestic Aircraft and current status of Bilateral Aviation Safety Agreement. The study on the Japanese Type Certification System will contribute to understand our aircraft certification system and will be a reference in performing the Type Certification Project on KC-100 airplane in the Part 23 Normal Category.

A COMPARATIVE ANALYSIS ON EFFICIENCY AND TOTAL FACTOR PRODUCTIVITY IN CONSTRUCTION FIRMS BETWEEN KOREA AND JAPAN

  • J.L. Park;S.S. Kim;D.J. Kwark;J.G. Park;J.H. Kim;J.J. Kim
    • International conference on construction engineering and project management
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    • 2013.01a
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    • pp.315-320
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    • 2013
  • The aim of this study is to compare efficiency and Total Factor Productivity(TFP) between Korean and Japanese construction firms in Korea and Japan over the period of 2005-2011. The results of this study are as follows. Efficiency scores of Korean construction firms are 0.797, and Japanese construction firms are 0.921. Second, annual total factor productivity growth of Korean construction firms is 0.5% and technical progress do much for TFP decrease. However Japanese construction firms marked annual increasing of 2.5% of TFP. Third, technical progress contributed in TFP increase of construction firms in Korea. Korean construction firms, however, relatively lagged behind Japanese construction firms in technical progress. Therefore, Korean construction firms need strategies to achieve technical advances including adopting new technology or process innovation to maintain competitiveness, survive, and develop in the future competition with Japan.

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Business Collaboration Support for Offshore Software Development

  • Moriyasu, Takashi;Zu, Guowei;Tsuji, Hiroshi
    • Industrial Engineering and Management Systems
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    • v.9 no.3
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    • pp.275-284
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    • 2010
  • Offshore software development (OSD) is international business collaboration. OSD projects often encounter intercultural and inter-linguistic problems disturbing the projects. Business documents are formal media of information and knowledge for OSD. While OSD documents should convey common understanding of the OSD products, the documents may contain unsuitable expressions which draw misunderstanding of the required products and offensive issues for the collaboration. Intercultural and inter-linguistic differences cause mistakes and inappropriate expressions. OSD from Japan to China is the largest in Asia, and Japanese language is often used in OSD documents. Large similarity is found between Japanese and Chinese in their languages, while many differences exist even for the same word. The similarity induces to write unsuitable expressions for both sides of OSD. To introduce risks for OSD projects caused by unsuitable or inappropriate expressions in OSD documents, we propose to apply a proofreading system of Japanese documents for OSD. Japanese consignor uses the system to refine OSD documents written by Japanese engineers for Chinese readers, and Chinese consignee uses it to refine Japanese documents written by Chinese Engineers as derivatives of OSD projects. Effectiveness of applying the proofreading system is discussed for actual projects.

Fungi Colonizing Sapwood of Japanese Red Pine Logs in Storage

  • Kim, Jae-Jin;Ra, Jong-Bum;Son, Dae-Sun;Kim, Gyu-Hyeok
    • Mycobiology
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    • v.29 no.4
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    • pp.205-209
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    • 2001
  • The Korean sawmills have recently recognized the importance of prevention of fungal discoloration due to increased losses in revenue. Before establishing integrated control strategies of fungal discoloration, more complete knowledge about causal organisms is needed. As a first step, we initiated a through survey of fungi colonizing commercially important softwood(Pinus dens flora, Pinus koraiensis, and Pinus radiata) logs and lumber in Korea. In this paper we report results obtained from Japanese red pine(Pinus densiflora) log study. In summer 2000, fungi were isolated from Japanese red pine logs in storage, and identified based on their cultural and morphological characteristics. A total of 595 fungi were isolated, representing 21 genera and 30 species. Mold fungi, mostly Trichoderma species, were the most frequently isolating fungi, representing more than half of all isolates. Dematiaceous fungi represented approximately one fifth of the isolates, and Rhinocladiella atorvirens was the most abundant in all samples. Opiostoma species represented 7% of all isolates from cores planted on malt extract agar(MEA) and the incidence of these species doubled with the addition of streptomycin and cycloheximide to MEA. The results indicate that Japanese red pine sapwood is susceptible to colonization by a variety of fungal species. As a result, control strategies that concentrate on one fungus may have limited success because of interference from competing flora.

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