• Title/Summary/Keyword: Character Arc

Search Result 29, Processing Time 0.023 seconds

A Study of Harmonics by Arc Furnace Operating for Demand Side Management (수요관리를 위한 아크로 운전 상태에 따른 고조파 연구)

  • Park, Kyung-Ho;Kim, Jae-Chul;Park, Hyun-Teak;Im, Sang-Kug;Oh, Dong-Whan
    • Proceedings of the KIEE Conference
    • /
    • 2003.11a
    • /
    • pp.17-19
    • /
    • 2003
  • Electric arc furnace has consumed plenty of power. Hence electric arc furnace can be expected to use for demand side management. When electric arc furnace use for demand side management, electric arc furnace frequently occur a starting and a stop. Electric arc furnace irregularity change consumption of power. Due to character of time-varing and non-linear, electirc arc furnace has a problem with voltage quality(flicker, harmonics). Producted harmonic in electric art furnace is different any harmonic source because of electric arc furnace peculiar operating. Accordingly, analysis for generated harmonic in electric arc furnace operating is demanded. This paper analyze effect of harmonic by arc furnace operating.

  • PDF

Representation of hand written decimal digits by n sequence of fuzzy sets

  • Moon, Byung-Soo;Hwang, In-Koo
    • International Journal of Fuzzy Logic and Intelligent Systems
    • /
    • v.2 no.3
    • /
    • pp.237-241
    • /
    • 2002
  • In this paper, we describe how to represent hand witten decimal digits by a sequence of one to five fuzzy sets. Each fuzzy set represents an arc segment of the digit and is a Cartesian product of four fuzzy sets; the first is fur the arc length of the segment, the second is for the arc direction, the third is fur the arc shape, and the fourth is a crisp number indicating whether it has a junction point and if it has an end point of a stroke. We show that an arbitrary pair of these sequences representing two different digits is mutually disjoint. We also show that various forms of a digit written in different styles can be represented by the same sequence of fuzzy sets and hence the deviations due to different writers can be modeled by using these fuzzy sets.

Another representation of hand written English alphabets by a sequence of fuzzy sets

  • Moon, Byung-Soo
    • International Journal of Fuzzy Logic and Intelligent Systems
    • /
    • v.3 no.2
    • /
    • pp.157-160
    • /
    • 2003
  • In this paper, we describe how to represent lower case hand-written English alphabets by a sequence of two to seven fuzzy sets. Each fuzzy set represents an arc segment of the character and each arc segment is assumed to be a part of an ellipse. The part of an ellipse is defined by five quantities; its short and long radii, its orientation angle, whether it is a part of the lower half or the upper half, and whether it is the full half or a part of a half. Hence, we use the Cartesian product of five fuzzy sets to represent each arc segment. We show that this representation is a translation, rotation, and scaling invariant and that it can be used to generate the hand-written English alphabets. The representation we describe is different from the one proposed earlier by the author and when compared with the previous representation, the one described in this paper simulates more closely the behavior of how one writes English characters.

An Experimental Analysis on the Thermal Plasma Characteristics to the Geometry in Non-Transferred Torch (비이송식 플라즈마 토치 구조에 따른 열 플라즈마 특성 시험)

  • Jeong, An-Mok;Jun, Euy-Sik
    • Journal of the Semiconductor & Display Technology
    • /
    • v.8 no.4
    • /
    • pp.89-94
    • /
    • 2009
  • The influence on a stability of thermal plasma has been investigated in an electrode structure of non-transferred plasma torch. The variations of dynamic characteristic of the arc voltage was analyzed and compared in terms of voltage character and nozzle types for both the step-shaped nozzles and magnetic-approved cylindrical nozzle. From the experimental results, an electrode gap, flow rate of arc gas, and currents are considered as major operational parameters. As conclusion, it was assured that a torch with step-shaped nozzles of magnetic-approved type produce the stable plasma jet.

  • PDF

Another representation of hand written English alphabets by a sequence of fuzzy sets

  • Moon, Byung-Soo;Hwang, In-Koo;Chung, Chong-Eun
    • Proceedings of the Korean Institute of Intelligent Systems Conference
    • /
    • 2003.09a
    • /
    • pp.32-35
    • /
    • 2003
  • In this paper, we describe how to represent lower case hand-written English alphabets by a sequence of two to seven fuzzy sets. Each fuzzy set represents an arc segment of the character and each arc segment is assumed to be a part of an ellipse. The part of an ellipse is defined by five quantities: its short and long radii, its orientation angle, whether it is a part of the lower half or the upper half and whether it is the full half or a part of a half. Hence, we use the Cartesian product of five fuzzy sets to represent each arc segment. We show that this representation is a translation, rotation, and scaling invariant and that it can be used to generate the hand-written English alphabets. The representation we describe is different from the one proposed earlier by the author and when compared with the previous representation, the one described in this paper simulates more closely the behavior of how one writes English characters.

  • PDF

A Contour Descriptors-Based Generalized Scheme for Handwritten Odia Numerals Recognition

  • Mishra, Tusar Kanti;Majhi, Banshidhar;Dash, Ratnakar
    • Journal of Information Processing Systems
    • /
    • v.13 no.1
    • /
    • pp.174-183
    • /
    • 2017
  • In this paper, we propose a novel feature for recognizing handwritten Odia numerals. By using polygonal approximation, each numeral is segmented into segments of equal pixel counts where the centroid of the character is kept as the origin. Three primitive contour features namely, distance (l), angle (${\theta}$), and arc-tochord ratio (r), are extracted from these segments. These features are used in a neural classifier so that the numerals are recognized. Other existing features are also considered for being recognized in the neural classifier, in order to perform a comparative analysis. We carried out a simulation on a large data set and conducted a comparative analysis with other features with respect to recognition accuracy and time requirements. Furthermore, we also applied the feature to the numeral recognition of two other languages-Bangla and English. In general, we observed that our proposed contour features outperform other schemes.

Linkage Analysis of the Resistance Genes to Whitebacked Planthopper (Sogatella furcifera Horvath) in Rice (수도의 흰등멸구(Sogatella furcifera Horvath)에 대한 저항성 유전자 연관분석)

  • ;Mun-Hue Heu
    • KOREAN JOURNAL OF CROP SCIENCE
    • /
    • v.29 no.2
    • /
    • pp.136-151
    • /
    • 1984
  • The purpose of this study is to find out the linkage relationship of the resistance genes Wbph1 and Wbph2 which are known to be present in the rice cultivar N22 and ARC 10239 respectively, with the genetic markers which are identified as the specific linkage tester. Crosses were made between the resistant parents and the genetic marker stocks and their F$_2$ populations were grown out in the field. The genetic segregations of the marker character were studied and the seeds were harvested individual plant base. These F$_3$ seeds were grown into plant-line base in the greenhouse and their responses to the whitebacked planthopper were tested. Then the linkage relationship between the F$_2$ plant marker character and the F$_3$ resistance responses to the whitebacked planthopper were examined. In the F$_2$ generation of the crosses between the resistant parent N22 and the genetic marker stocks, the genetic markers, such as lg, d-t, g, la, bl and gl, showed the segregation of 3 dominance to 1 recessiveness, and the Bh marker segregated into 9:7 ratio. Another 4 marker genes, such as Cl, gh, Lh and bc, did not show the good fittness to the expected value. In the F$_2$ generation of the crosses between the resistant parent ARC 10239 and the genetic marker stocks, the genetic markers, such as Cl, lg, Pn, g, la, bl and gl, showed the segregation of 3 dominance to 1 recessiveness, and the Bh gene segregation fitted well to the 9:7. The rest 4 genetic markers, such as gh, Lh, nl and be, did not show the good fitness to the expected ratio. The resistance genes Wbphl of N22 and the Wbph2 of ARC 10239 appeared to be single dominant gene each. The Wbphl gene was linked with the marker gene, liguleless (lg) of linkage group II with the recombination value of 36.8%, and with the black hull (Bh) with the value of 35.9%. The Wbph2 gene appeared to be independent of all the markers tested here, such as Cl, lg, Pn, g, Lh, la, nl, bl, bc, gl, Bh, of linkage gtoup I, II, III, IV, VI, VII, VIII, IX, X, XI, and XII respectively. That the Wbph2 linkage relations were not investigated was regarded as the causes that the tested marker genes on the chromosome were located with the resistance gene at the distant loci, and of the phenctypic properties of the marker characters. The Wbph2 linkage relations should be reexamined in the cross combinations of linkage group Ⅶ, Ⅷ, Ⅹ and XII including linkage group V which was not tested in this experiment.

  • PDF

Internal Growth Type Character and Popular Sympathy of Heroic Narrative (영웅서사의 내적 성장형 캐릭터와 대중적 공감형성 - 마블과 DC의 시네마틱 유니버스를 기반으로 -)

  • Jeon, Yeongdon
    • The Journal of the Korea Contents Association
    • /
    • v.20 no.1
    • /
    • pp.364-377
    • /
    • 2020
  • Although it is never easy to create charming characters that people can relate to, well-formed characters have the power to enable the audience to not only empathize but identify with them. Thus, there is a need for us to examine the parts that make up a well-formed character. According to empathy theory, when the character in the play has a human face that is not different from me, I can feel familiarity and human empathy. Rather than perfection without loopholes, I relate to and sympathize with someone who looks similar to me, with many mistakes and some lack. This study aims to examine the attractiveness of characters in narrative dramas in terms of defects and internal growth. To do this, we tried to compare the setting, evaluation, and performance of characters based on the movie worldviews of two famous brands (DC and Marble), which can be compared directly. I looked at it. In conclusion, the work of hero character but human character setting based on internal growth not only has high evaluation and public evaluation, but also high sales, and thus direct and indirect correlation with the public favorability is significant.

Development of Technology·Home Economics teaching-learning plans using ARCS strategies to improve character for middle school students: Focusing on the unit of 'Understanding families' (인성교육을 위해 기술·가정교과 '가족의 이해' 단원에 ARCS 동기유발 전략을 적용한 교수·학습 과정안 개발 및 평가)

  • Kang, Jimin;Yu, Nan Sook
    • Journal of Korean Home Economics Education Association
    • /
    • v.30 no.1
    • /
    • pp.29-42
    • /
    • 2018
  • The purposes of this study were to develop and apply teaching-learning plans using ARCS strategies to improve character of middle school students and analyze whether a home economics class helps to give positive effects on youth character change. Nine-period classes were conducted for 110 male students in 4 classes of M middle school in Gwangju metropolitan city for 5 weeks from March 6 through April 7 in 2017. The effectiveness of classes were examined with learners' class assessment and pre- and post- character index test. The research steps and results in this study are as follows. First, the teaching-learning plans for 9 periods were developed for the character education class of the chapter 'Understanding families'. These teaching and learning course plans were designed to enhance learner's interests in learning using ARCS motivational strategy and improve character of middle school students in consideration of character elements. In the chapter 'Understanding families' of Technology Home Economics in middle school, the teaching-learning plans for 9 periods, 14 student activity sheets, and 2 powerpoint materials for teaching and learning were developed. Second, students who had the character education classes using ARCS motivational strategy showed significant differences in all character elements. Therefore, the character education class using ARCS shows positive effects to build up character of middle school students. Third, the character education classes using ARCS motivational strategy increased the class satisfaction of learners. The character education class teaching and learning course plans and learning materials in Technology Home Economics using ARCS motivational strategy will be used as a basic resource to build up students' character in the future.

The Present of State of the Metal and Gold Deposits, Indonesia (인도네시아의 금속광상과 금광상 분포현황)

  • 김인준;이재호;서정률;이사로;김유봉;이규호
    • Economic and Environmental Geology
    • /
    • v.37 no.3
    • /
    • pp.269-276
    • /
    • 2004
  • The Indonesian Archipelago is located in the southern tip of the Eurasian plate. The diverse subduction system of the Indonesia region records interactions between three megaplates (Eurasian, Indian-Australian, and Pacific plates) and many smaller plates. The geology of Indonesian Archipelago is characterized by many factors such as subduction zone complexes, magmatic arc rocks associated with plate tectonics, the arc granite and volcanic rocks, and the related metamorphic rocks. The base-metal deposits of Indonesia have a great effect on petrochemical character of parent rocks and geotectonic environments. The base-metal deposits can be classified into four types as hosted by felsic-intermediate intrusive rocks, hosted by ultramafic rocks, hosted by volcanic rocks, and hosted by sedimentary rocks. The gold deposits are divided into three types: epithermal gold deposits, porphyry copper associated gold deposits, and alluvial gold deposits. Especially, Indonesian island uc, with its numerous plates tectonic, has an high potential for epithermal gold deposits. Indonesia with many old and present subduction zones and sub-aerial calcalkaline volcanic rocks is a very promising country for epithermal gold mineralization.