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Perception of small-obstacles using ultrasonic sensors and its avoidance method in robot (초음파센서를 이용한 로봇의 소형장애물 감지 및 회피방법연구)

  • Kim, Gab-Soon
    • Journal of Sensor Science and Technology
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    • v.14 no.2
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    • pp.101-108
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    • 2005
  • The research on the avoidance of the large-obstacles such as a wall, a large box, etc. using ultrasonic sensors has been generally progressed up to now. But the mobile robot could meet a small-obstacle such as a small plastic bottle, a small sphere, and so on in its designated path, and could be disturbed by them in the locomotion of the mobile robot. So, it is necessary to research on the avoidance of a small-obstacle. In this paper, a robot's small-obstacle perceiving system was designed and fabricated by arranging four ultrasonic sensors on the plastic plate to avoid small-obstacles. The system was installed on the upper part of the mobile robot with the slope angles between $40.7^{\circ}$ and $23.3^{\circ}$ to a horizontal line and the dynamic characteristic test of the robot was performed. As the result, it was confirmed that the mobile robot with the system could avoid small-obstacles in indoor environment safely.

중소기업 품질관리의 현황문제점 분석과 효율적인 품질관리적용추진 모델 설정에 관한 연구

  • 신용백
    • Journal of the Korean Professional Engineers Association
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    • v.15 no.3
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    • pp.49-60
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    • 1982
  • In Korea small-medium companies constitute 96.7% of all of the mining and manufacturing industries, about 34.2% of the total production of value added business, an average of 34.8% of #he actual export of industrial goods, and 49.4% of employment at the end of 1980. Now then small-medium industry companies organization style constitutes 82.1% of private companies and 82.7% of the total on an small scale under 49 persons in regular empolyees. Small-medium industry Companies have growing problems and bottle-necks in their physical conditions. Total Quality Control is contributed by small-medium industry company for more growth than present conditions. But now, Small-medium industry company do not use systematic application of Quality Control Method, the small-medium business company products quality is not better as compared with big business company. Specially, TQC is needed for Small-medium company for imperishable enlargement . In order to promote good will and the major stress of this paper is first of all on the problems of Quality Control, which covers the present states and derived problems of Quality Control, ill Korea Small-medium industry Companies. These are investigated and analyzed to insure the rational application of Quality Control to the Small-medium companies with a view of the establishment of the direction and systematic improving means of Quality Control application Model building for Korea Small-medium industry.

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Production Process Analysis based on Information Strategy Planning with Present Condition Diagnosis of Small FRP Shipyards (소형 FRP 조선소 현황 진단과 정보 전략 계획 방법론 기반의 생산 공정 분석)

  • Kim, Hyun-Woo;Hwang, Hun-Gyu;Shin, Il-Sik;Cho, Je-Hyoung
    • Journal of the Society of Naval Architects of Korea
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    • v.53 no.5
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    • pp.353-361
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    • 2016
  • Recently, the small shipyard companies have difficulties that causes by depression of shipbuilding industry. The small shipyard companies need some strategies to overcome the slump in shipbuilding industry field. In this paper, we conduct the survey for present condition diagnosis of small shipyard companies, and analyze the production process based on Information Strategy Planning(ISP) method. When analyze based on ISP, we apply IDEF0 and LOVC technique to analyze the production process of small shipyard companies. Also we conduct the gap analysis between the analyzed present condition and the requirements of improvement. Therefore, the most important result of the analysis is to establish a system for enterprise planning and management, which customized for small shipyard companies, with satisfying economic feasibility and usability.

Estimating the Macroeconomic IT Investment Effect of Korean Small Firms with System Dynamics Simulation (시스템 다이내믹스를 이용한 우리나라 소기업의 정보화 파급효과 추정 및 지원 정책 방향 수립)

  • 이윤석;김진한;김성홍
    • Journal of the Korean Operations Research and Management Science Society
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    • v.29 no.2
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    • pp.19-43
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    • 2004
  • This study was motivated by a practical need for estimating the macroeconomic effect of government IT Promotion investment, specifically for micro and small firms. Small firms have been in a disadvantageous position to adopt and utilize new IT compared with medium or large-sized firms. Small firms don't have enough resource to acquire IT in general, therefore private IT companies don't have much incentive to develop IT services and products for small firms. Lack of feasible IT solutions for small firms again restricted active IT adoption of small firms. Government recognized the vicious cycle, therefore decided to promote private IT companies to develop IT services and products for small firms's. Our main concern was to identify a relevant government supporting Policy, especially in the amount and the period. To do this, we first constructed a system dynamics simulation model to Investigate important factors and causal relationships among them. Simulation results showed 2.19% of GDP contribution and 0.16% of employment contribution in max from small firms' IT adoption. Also we could find that investing proper amount for a short period would be for better than maintaining Investing small amount for a long period.

A study on the status and support policies of the small wholesale vendor in Korea

  • Lee, Sang-Youn
    • East Asian Journal of Business Economics (EAJBE)
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    • v.4 no.4
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    • pp.24-32
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    • 2016
  • There hardly have been support policies for small wholesale vendors or any materials such as proper statistical standards and figures compared to diversity of support policies and size of budget for small and medium manufacturing business. The biggest concern coming from it is that there have never been any policies for small and medium wholesale vendors. This study proposes some ways to improve support policies through investigating the current status of those vendors as their true values haven't been properly recognized, while diverse support systems have been devised for manufacturing business thanks to the traditional industrial development process. According to the study on support policies for domestic and international small and medium wholesale vendors, I realized that those vendors need a policy to ensure them to be promptly adjusted to the rapidly changing distribution environment and to be competitive to access to the global distribution market to finally become hidden champions through systematical operations of small and medium wholesale vendors and implementing educational business through sales management. Therefore, I propose five ways to improve support policies for small and medium wholesale vendors by considering social and economic value, systematizing small wholesalers and scaling small and medium wholesale vendors, reinforcing support for wholesalers, support policies for new online market opening and offline market opening.

An Investigation of Brand Communication in Small and Medium-sized Cities in China Based on Grounded Theory

  • QunQing Zhang;XueHua Jin
    • International journal of advanced smart convergence
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    • v.13 no.1
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    • pp.162-179
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    • 2024
  • With the acceleration of China's urbanization process, the economic development and market potential of small and medium-sized cities have been constantly enhanced, with the urbanization competition having been caught in the vortex of homogenization. However, small and medium-sized cities are exposed to limited resources and funds, and therefore need to be more flexible and innovative in the strategy implementation, while urban brand communication is one of the key factors to promote the competitiveness of cities. Taking the small and medium-sized cities in China as the research objects, this study, based on the domestic and foreign theories about the brand communication of small and medium-sized cities, as well as other city-related theories, analyzes textual materials about the current situation and new changes in brand communication of small and medium-sized cities with grounded theory, reflecting on the problems in brand communication in China's small and medium-sized cities. Combining the basic elements of urban brand communication, a model for constructing brand communication strategies for small and medium-sized cities is further proposed, so as to provide the differentiated and distinctive strategies for the construction and communication of urban brands in small and medium-sized cities in China, as well as provide a new perspective and strategy on how to enhance the competitiveness and contribute to the sustainable economic development of small and medium-sized.

The Development of GIS-based Small Hydropower Package Tool (GIS기반 소수력 Package Tool 개발)

  • Heo, June-Ho;Jeong, Sang-Man;Park, Wan-Soon;Lee, Chul-Hyung
    • 한국태양에너지학회:학술대회논문집
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    • 2009.04a
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    • pp.139-144
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    • 2009
  • The generation of small hydropower as compared to other different developed environmental methods produces one of the clean energies. In such manner, various application system development through IT technique is being developed for an advanced small hydropower energy resources data mining. However, existing data analysis of New & Renewable Information System for small hydropower resources application is incomplete therefore it limits expressing these information on the Web. Thus for positive usage of small hydropower resources, a more systematic and precise analysis system should be built. This study seeks to develop a map of the domestic small hydropower resources problems to further improve small hydropower resources, developed through Package Tool which can accurately evaluate a wide range of small hydropower basin in a short period of time. Small hydropower Package Tool was calculated using existing Analysis System small hydropower resources which did not provide diverse capabilities resulting to 840 standard basin classified by A and facility capacity, etc., and to assume a 40% annual capacity, expected annual electricity production was calculated. Small hydropower for the national water system of small hydropower resources potential calculated in terms of resources for the development of small hydropower will be utilized as basic data.

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A Study on Promotion of Small Libraries through an Analysis on the Current Situation of their Operation (작은도서관 운영실태 분석을 통한 활성화 방안에 관한 연구)

  • Kim, Bo-Il;Cho, Mi Ah;Byeon, Hyeon Ju
    • Journal of the Korean Society for Library and Information Science
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    • v.49 no.4
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    • pp.31-52
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    • 2015
  • This study attempts to diagnose the trend of operation of small libraries and suggest direction for promoting them through a fact-finding survey on small libraries. According to the study results, it was important to make efforts for improvement such as reflecting the trend of increasing number of small public libraries and apartment libraries of small private libraries, enhancing substantiality of small libraries, human resource allocation for enhancing professionalism of running libraries, introducing activation measures that can consider the current operation situation of public and private libraries, establishing cooperative system between public and small libraries and enhancing accuracy of statistics data. As for the ways of promoting small libraries, change of direction toward qualitative operation support rather than quantitative increase, attempts to stabilizing operation of public small libraries, enhancement of specialty of private small libraries and establishment of cooperative system, strengthening of legal standard for small library and induction of corporate participation through campaigns were suggested.

Application of L-Arginine as a Substitute for Inorganic Polyphosphate in Pork Sausage Production (소시지 제조시 인산염 대체 소재로 L-Arginine의 활용)

  • Kim, Yong-Duk;Lee, Jun-Soo;Park, Joon-Hyun;Park, Dong-Cheol;Jeon, Young-Seung;In, Man-Jin;Oh, Nam-Soon
    • Journal of Applied Biological Chemistry
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    • v.57 no.2
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    • pp.171-174
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    • 2014
  • $\small{L}$-Arginine was applied to processed pork sausages and evaluated as a substitute for commonly used inorganic polyphosphate. Processed pork sausage was prepared with an addition of 0.25, 0.5, and 1.0% (w/w) $\small{L}$-arginine. Quality characteristics of the processed pork sausages were than evaluated in terms of pH, moisture content, emulsion stability and textural properties. The pH of sausage increased with increasing $\small{L}$-arginine concentration. Moisture content of 0.25% $\small{L}$-arginine sausage, emulsion stability of 0.5% $\small{L}$-arginine sausage, and textural properties of 1.0% $\small{L}$-arginine sausage were similar to those of 0.5% polyphosphate sausage, respectively. In terms of sensory evaluation, taste and overall acceptability of 0.5% $\small{L}$-arginine sausage were slightly higher than those of 0.5% polyphosphate sausage and textural properties were reversed. According to sensory score and quality characteristics, $\small{L}$-arginine had a potential as a substitute for inorganic polyphosphate and the optimum concentration of $\small{L}$-arginine was around 0.5%.

A Study on the Effects of Consumer Lifestyle(VALS) on Small Enterprises' Consumers WOM (소상인 점포 이용 소비자의 라이프스타일(VALS)이 구전 효과에 미치는 영향에 관한 연구)

  • Choi, Shin-Hea;Kim, Young-Ki;Kim, Seung-Hee
    • Journal of Distribution Science
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    • v.15 no.12
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    • pp.61-72
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    • 2017
  • Purpose - Despite that the importance of small enterprises' performance in the community has been magnified, no study has been conducted yet on the performance based on consumers directly faced by small enterprises. Accordingly, this study aims to investigate the relationship between the life styles of consumers who use small enterprises' stores by type and the word of mouth(WOM) effects, which are concrete behaviors of consumers. Research design, data, and methodology - The VALS classification system was utilized to classify the types of life styles of consumers who use small enterprises' stores. The consumers were divided into a total of four types. This study was intended to investigate the effects of the types of consumers on the word of mouth(WOM) effects of consumers who use small enterprises' stores along with the effects of consumers' perception of economic situations on their word of mouth(WOM) effects after using small enterprises' stores. Results - The results of the study indicated that among the types of consumers who use small enterprises' stores, the group that pursues faith and the group that pursues knowledge had positive (+) effects on favorable word of mouth(WOM) effects. However, the group that pursues trends and the group that pursues action were shown to have no effect and positive or negative perceptions of economic situations were shown to have no effects of the word of mouth(WOM) effects of users of small enterprises' stores. Conclusions - In this study, as a measure to create small enterprises' performance, word of mouth(WOM) effects on small enterprises' stores according to consumers' consumption behaviors were examined focusing on consumers. Through the study results, the groups of consumers who use small enterprises' stores by type that provide favorable word of mouth(WOM) effects were derived. And This Study aims to investigate the relationship between the four type life styles of consumer who use small enterprises' stores and the word of mouth(WOM) effect. Accordingly This study is significant in that it derived a measure to create small enterprises' performance centering on consumers and that it presented a cornerstone for the establishment of small enterprises at the government level.