• Title/Summary/Keyword: Network of Roads

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A Case Study on the Enterprises in Rural Industrial Parks Located in Miryang-si (밀양지역 농공단지 입주업체에 대한 사례 연구)

  • Hong, Chan-Sun;Lee, Han-Sung;Im, Sang-Bong;Kim, Chae-Soo;Kwon, Young-Duk
    • Proceedings of the Korean Society of Agricultural Engineers Conference
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    • 2005.10a
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    • pp.232-240
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    • 2005
  • There are positive evaluation as well as negative evaluation for Rural Industrial Park Project which was implemented since 1984 to boom up the regional economy in Korea. By conducting a survey for Rural Industrial Park enterprises located in Miryang-si, this study intends to examine the management condition of enterprises in Rural Industrial Parks and so derive the policy suggestion. According to the secondary data and the survey results, Rural Industrial Parks play an important role in the regional economy. The result of the survey shows that the enterprises are dissatisfied with excessively high distributing costs and they want improvement of roads and transportation condition. They recruit their employees mainly through advertisement and loan money from banks. One of serious problems is giving up the business due to shortage of fund or failing to find the markets. To prevent quitting business, a preliminary analysis of the feasibility of running business should be conducted. Technology and management guidance and marketing support are necessary not only for new enterprises, but for existing enterprises. Alternatives for connecting local resources and Rural Industrial Park and forming a network between local universities, institutes, and firms should be considered.

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A Study on Assessment Items Analysis for Eco-corridors' Area - Using the Analytic Hierarchy Process - (생태통로 우선 설치지역의 평가항목 중요도 분석 - AHP 기법을 적용하여 -)

  • Park, Jihee;Yoo, Heonseok;Park, Miyoung
    • Journal of Environmental Impact Assessment
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    • v.18 no.5
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    • pp.301-312
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    • 2009
  • Recently, habitat fragmentation and shrinkage has occurred because of increased road construction. As a measures mitigating the adverse effect such as eco-island by road construction, Korea has been installed eco-corridors since 1995. Using the Analytic Hierarchy Process (AHP), this study analyzed the importance of assessment items and the criteria to determine which areas require eco-corridors the most. First, related literature reviews, preliminary surveys, and expert interviews were carried out to develop assessment items and criteria for constructing the hierarchy. Second, experts were surveyed in order to determine the relative importance of the assessment items by applying the AHP. As a result, it found that the restoration of the ecological network was the most important assessment item, followed by wild animal resources in the Level 3. In the Level 4, the eighteen items were ranked in the order of their relative weight and it was found that the 'Baekdudaegan Mountain Range (0.189)' was the highest ranked item. Therefore, this approach can be applied to effective selection of the priority areas in planning eco-corridors in the national scale.

A Study for Smart Overload Vehicle Regulation System (지능형 과적단속을 위한 시스템 구축 연구)

  • Jo, Byung-Wan;Yoon, Kwang-Won;Park, Jung-Hoon;Choi, Ji-Sun
    • Journal of the Computational Structural Engineering Institute of Korea
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    • v.24 no.4
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    • pp.399-404
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    • 2011
  • Overload vehicles have demoralizing influence upon the social overhead capital, economics of nation, traffic flow and road safe as various components. Accordingly, this study established a ubiquitous sensor network system to develop an intelligent regulation system to monitor overloaded vehicles in motion. and Unlike WIM, after detecting the axle of driving vehicles by measuring deformation of roads, this system calculates the weights of vehicles by using signals from the strain sensors installed under the road and an analysis method. Also the study conducted an simulation test for vehicle load analysis using genetic algorithm. and tested wireless sensor for USN system.

A Multi-Resolution Database Model for Management of Vector Geodata in Vehicle Dynamic Route Guidance System (동적 경로안내시스템에서 벡터 지오데이터의 관리를 위한 다중 해상도 모델)

  • Joo, Yong-Jin;Park, Soo-Hong
    • Journal of Korean Society for Geospatial Information Science
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    • v.18 no.4
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    • pp.101-107
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    • 2010
  • The aim of this paper is to come up with a methodology of constructing an efficient model for multiple representations which can manage and reconcile real-time data about large-scale roads in Vector Domain. In other words, we suggested framework based on a bottom-up approach, which is allowed to integrate data from the network of the lowest level sequentially and perform automated matching in order to produce variable-scale map. Finally, we applied designed multi-LoD model to in-vehicle application.

The Evaluation of Connectivity between Natural Environment (Forests and Rivers) and Neighborhood Parks Inside Cities in Gyeonggi-do (도시 내 자연환경(산림, 하천)과 근린공원의 연결 현황 평가 및 연결방안)

  • Sung, Hyun-Chan;Kim, Su-Ryeon;Kang, Da-In;Hwang, So-Young
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.18 no.5
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    • pp.49-59
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    • 2015
  • In this research, the connectivity status between natural environment (forests and rivers) and urban parks in view of ecological networks in a city is evaluated and on the basis of these evaluation results, a future connectivity enhancing recommendations are suggested. As a result, the 96.8% of the connectivity role of the neighborhood parks were core or connected parks and as in terms of the ecological pattern on the outer park, 84.1% of the case neighborhood parks were connected to the ecological element at least one side. Therefore, it can be expected to play a role as corridor that enables the direct connection with the natural environment if the connection plan is well established. As a result of connectivity evaluation of the parks, inside of the parks had low ecological element overall and had low connectivity, outside of the parks had 1.5 times more of low connectivity parks than high connectivity parks, and had similar disconnections such as facilities(fence, soundproof walls, breast walls, etc.), developments(roads, apartment complexes, industrial complexes, etc.), or poor greens regardless of the neighborhood with the ecological elements. To increase the connectivity of ecological network, the cities already built shall secure primarily green territory where can connect with the isolated park due to the surrounding with the developing areas and when planning for new cities or residential complexes, it shall establish a connection plan with the nearby at the beginning.

Slope Movement Detection using Ubiquitous Sensor Network (USN을 이용한 사면거동 탐지)

  • Chang, K.T.;Ho, Albert;Jung, Chun-Suk;Jung, Hoon
    • Journal of Korean Society of societal Security
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    • v.1 no.2
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    • pp.61-66
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    • 2008
  • More than 70% of Korea consists of mountainous area and during the construction of roads and railroads many cut-slopes are inevitably formed. A number of environmental factors, such as the rainy season and frost heave during winter/thaw during spring, can result in rock falls and landslides. The failure of slopes is increasing every year and can cause damage to vehicles, personal injury and even fatality. In order to help protect people and property, there is a need for real-time monitoring systems to detect the early stages of slope failures. In this respect, the GMG has been using Translation Rotation Settlement (TRS) sensor units installed on slopes to monitor movement in real-time. However, the data lines of this system are vulnerable and the whole system can be damaged by a single lightning strike. In order to overcome this, GMG have proposed the use of Ubiquitous Sensor Networks (USN). The adoption of a USN system in lieu of data cables can help to minimize the risk of lightning damage and improve the reliability of slope monitoring systems.

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Evaluation of Onshore Wind Resource Potential According to the Road Proximity (도로인접성에 따른 육상 풍력자원 잠재량 평가)

  • Kim, Hyun-Goo;Hwang, Hyo-Jung;Kang, Yong-Heack;Yun, Chang-Yeol
    • New & Renewable Energy
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    • v.9 no.4
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    • pp.13-18
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    • 2013
  • Wind turbines should generally be installed at a certain distance from a road to ensure passengers' safety. In Korea, there is no clear guidance as the Ministry of Environment first proposed a road setback distance of 400 m in the Onshore Wind Farm Siting Guidelines draft proposed in July 2012, and then modified it to 1.5 times the height of the wind turbine in October of the same year. This study analyzed the dynamic range of onshore wind resource potential according to how the road setback distance is set using the Korea Wind Atlas with 100m spatial resolution made by the Korea Institute of Energy Research, the transportation network of the Ministry of Construction and Transportation, and the forest road network of the Korea Forestry Service. Owing to the geographical characteristics of Korea, where mountainous terrain accounts for 70% of the total territory, the wind resource potential within 1 km from forest roads are estimated to be 14.3 GW, 14% of Korea's total wind resource potential. In addition, the construction distance of new road for transporting wind turbines from the existing road to a wind farm site is estimated as less than 2 km. Given the limited wind resource potential and geographical constraints, an assessment system that can maximize wind resource utilization and ensure road safety at the same time, and which takes into account the regional characteristics instead of applying the fixed road setback distance across-the-road, is required.

FRS-OCC: Face Recognition System for Surveillance Based on Occlusion Invariant Technique

  • Abbas, Qaisar
    • International Journal of Computer Science & Network Security
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    • v.21 no.8
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    • pp.288-296
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    • 2021
  • Automated face recognition in a runtime environment is gaining more and more important in the fields of surveillance and urban security. This is a difficult task keeping in mind the constantly volatile image landscape with varying features and attributes. For a system to be beneficial in industrial settings, it is pertinent that its efficiency isn't compromised when running on roads, intersections, and busy streets. However, recognition in such uncontrolled circumstances is a major problem in real-life applications. In this paper, the main problem of face recognition in which full face is not visible (Occlusion). This is a common occurrence as any person can change his features by wearing a scarf, sunglass or by merely growing a mustache or beard. Such types of discrepancies in facial appearance are frequently stumbled upon in an uncontrolled circumstance and possibly will be a reason to the security systems which are based upon face recognition. These types of variations are very common in a real-life environment. It has been analyzed that it has been studied less in literature but now researchers have a major focus on this type of variation. Existing state-of-the-art techniques suffer from several limitations. Most significant amongst them are low level of usability and poor response time in case of any calamity. In this paper, an improved face recognition system is developed to solve the problem of occlusion known as FRS-OCC. To build the FRS-OCC system, the color and texture features are used and then an incremental learning algorithm (Learn++) to select more informative features. Afterward, the trained stack-based autoencoder (SAE) deep learning algorithm is used to recognize a human face. Overall, the FRS-OCC system is used to introduce such algorithms which enhance the response time to guarantee a benchmark quality of service in any situation. To test and evaluate the performance of the proposed FRS-OCC system, the AR face dataset is utilized. On average, the FRS-OCC system is outperformed and achieved SE of 98.82%, SP of 98.49%, AC of 98.76% and AUC of 0.9995 compared to other state-of-the-art methods. The obtained results indicate that the FRS-OCC system can be used in any surveillance application.

The Study on Operation Control & Management System of Bimodal Tram (바이모달트램 통합운영관리시스템 구축에 관한 연구)

  • Yoon, Hee-Taek;Park, Young-Kon;Lee, Kang-Won;Hwang, Eui-Kyeong
    • Proceedings of the KSR Conference
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    • 2011.10a
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    • pp.181-187
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    • 2011
  • Since 2003, state transportation study core technology development is being promoted as part of the bimodal trams operating in accordance with the development of refractive vehicle as research infrastructure for building high-tech road transport system has been the research and development. Bimodal trams of refraction as the vehicle for him to introduce domestic first ever operation management system also developed in Korea according to case-based technology system, but most of the country, and, in this study, mainly those based on technology integration building management system and the bimodal trams of refraction of a vehicle operated was to highlight the features and benefits. Bimodal tram station itself is the way the exclusive properties and to operate the route with large transport capacity has the characteristics of the railway, but the only routes such as railroad lines is not of closed roads under certain circumstances, the flexibility to use has to be integrated operations management system of bimodal trams characteristics of the railroads and public transportation by combining the characteristics of a flexible, convenient and secure services to users with the aim of providing research and will denote the system developed. In this study, bimodal integration system required for the operation of the tram station around the wired and wireless network management center, applying the organic integration into one system so that you have to be centrally managed. In addition, the existing traffic management system operates as a unidirectional rather than monitoring all system-wide management via the interactive network through real-time requests and responses were configured to allow management and control. These findings of the existing traffic operation management system that you can jump step can be based on future unmanned vehicles and related systems through control of the operation management system will be offered as a basis.

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A Path-Volume Simulation Method to Select Arterial Section of Road Network (경로 교통량 시뮬레이션 기법을 이용한 간선구간 설정 방법론 연구)

  • 황준문;조중래;손영태
    • Journal of Korean Society of Transportation
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    • v.19 no.5
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    • pp.85-97
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    • 2001
  • In this study, the purpose behind this research is to propose index to be used for classification of functional the urban streets and to select the feasible length of special management link by the index. This special management link help decision makers found a transportation policy. In order to perform functional classification, index such as average traveled distance, link VKT and VKT per length-lane are use at the study. Average traveled distance index is average traveled distance divided by length of Path k and VKT per length-lane is trip volume characteristic considering lanes and length of Path k. Special management links on which major part of the vehicle are selected with using Path-VKT which represents how many long-distance touring vehicles are on the arterial road. The selection of special management links are performed with network composed of 14 paths (arterial roads) in seoul The total distance of special management links resulted from the above analysis is 141km(35.0% of the whole paths length) and total VKT of the special management links is 4,152,475 VKT(45.2% of the whole paths VKT)

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