• Title/Summary/Keyword: Master Planning

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Deep Q-Learning Network Model for Container Ship Master Stowage Plan (컨테이너 선박 마스터 적하계획을 위한 심층강화학습 모형)

  • Shin, Jae-Young;Ryu, Hyun-Seung
    • Journal of the Korean Society of Industry Convergence
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    • v.24 no.1
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    • pp.19-29
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    • 2021
  • In the Port Logistics system, Container Stowage planning is an important issue for cost-effective efficiency improvements. At present, Planners are mainly carrying out Stowage planning by manual or semi-automatically. However, as the trend of super-large container ships continues, it is difficult to calculate an efficient Stowage plan with manpower. With the recent rapid development of artificial intelligence-related technologies, many studies have been conducted to apply enhanced learning to optimization problems. Accordingly, in this paper, we intend to develop and present a Deep Q-Learning Network model for the Master Stowage planning of Container ships.

A Study on the Improvement of the Management Plan of City Master Planning as ODA Project (ODA 사업으로서 도시 마스터플랜 수립 사업의운영방식 개선에 관한 연구)

  • Kim, Yong-Jin;Kim, Seong-Hee
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.16 no.4
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    • pp.2799-2806
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    • 2015
  • This study aims to find out the better management plan for city master plannning as an ODA to accomplish the economic effect. For this study, the "Hai Phong New Town Development Project" and the "Modification of Hue City's Master Plan" were studied. The result of the case study shows that there was difference between the two projects which was the status of following projects. While those two projects were highly acclaimed, only Hue project had several projects. This is because of the understanding degree on ODA project of participants, the distinct characteristics of the recipient country; Vietnamese local and central government, and the difference of each project's main purpose. And the result of FGI shows that to accomplish economic effects of master planning project as ODA, the enthusiastic approach to find out following project from the beginning step of the master planning, the experience of project manager on ODA, the close association with the recipient country, and the positive support from the Koica especially, the local office were crucial.

An Analysis on the Characteristic of the Master-Zone Planning in the Apartment Building (공동주택의 부부 전용공간 분석)

  • Park, So-Yun;Lee, Kyung-A;Lee, Hyun-Soo
    • Proceeding of Spring/Autumn Annual Conference of KHA
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    • 2005.11a
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    • pp.189-192
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    • 2005
  • The purpose of this study is to analyze space composition and size of the Master Zone in the apartment unit plan. For this, we analyzed 435 samples by searching web-sites of the 5 main construction companies. The major results of this study are as follows. 1) Master Zone is organized 4 spaces such as main room, bathroom and make-up & dress room. Six types of Master Zone are classified with the composition of 4 spaces. 2) The size of the Master Zone is increased in proportion to the square meter. But the range of the ratio is small range of fluctuation as 20%${\sim}$30%. 3)The size and ratio of the each spaces of the Master Zone are analyzed. The size of bedroom is increased but the ratio is decreased. The size of bathroom is increased but the ratio is regular as 4%${\sim}$5%. The size of make-up and dressing room is generally increased but the range of the size and ratio is the most extensive. Through this analysis and research, this study would be provied the basic data for actual housing planning and to contribute to future trends of apartment houses.

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Data-warehouse Prototype for Supporting Master Plan of Renewal Promotion Projects (재정비촉진사업 마스터플랜 지원 데이터웨어하우스 프로토타입)

  • Cho, Dong-Hyun;Koo, Kyo-Jin
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.16 no.9
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    • pp.6376-6384
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    • 2015
  • In practice of urban redevelopment promotion projects, since the decision-making is dependent on the verbal agreements between the participants, planning changes are frequently occur. A master plan can be utilized as an effective feedback and adjusting means for decisions. It is a difficult to establish a master plan quickly and effectively to consider the large number of information. Effective decision support system that can storage and retrieval information items systematically and efficiently necessary when planning master plan is required. In this study, a data-warehouse prototype that supports the master planning at early stage was suggested. A metadata index database was developed by identifying information items of base survey results and master plan cases. Also user interface for information searching was presented. The applicability of the prototype was evaluated by case application. It was found that the prototype allows effective searching of desired information through meta data.

A Systematic Approach Of Construction Management Based On Last Planner System And Its Implementation In The Construction Industry

  • Hussain, SM Abdul Mannan;Sekhar, Dr.T.Seshadri;Fatima, Asra
    • Journal of Construction Engineering and Project Management
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    • v.5 no.2
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    • pp.11-15
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    • 2015
  • The Last PlannerSystem (LPS) has been implemented on construction projects to increase work flow reliability, a precondition for project performance againstproductivity and progress targets. The LPS encompasses four tiers of planning processes:master scheduling, phase scheduling, lookahead planning, and commitment / weeklywork planning. This research highlights deficiencies in the current implementation of LPS including poor lookahead planning which results in poor linkage between weeklywork plans and the master schedule. This poor linkage undetermines the ability of theweekly work planning process to select for execution tasks that are critical to projectsuccess. As a result, percent plan complete (PPC) becomes a weak indicator of project progress. The purpose of this research is to improve lookahead planning (the bridgebetween weekly work planning and master scheduling), improve PPC, and improve theselection of tasks that are critical to project success by increasing the link betweenShould, Can, Will, and Did (components of the LPS), thereby rendering PPC a betterindicator of project progress. The research employs the case study research method to describe deficiencies inthe current implementation of the LPS and suggest guidelines for a better application ofLPS in general and lookahead planning in particular. It then introduces an analyticalsimulation model to analyze the lookahead planning process. This is done by examining the impact on PPC of increasing two lookahead planning performance metrics: tasksanticipated (TA) and tasks made ready (TMR). Finally, the research investigates theimportance of the lookahead planning functions: identification and removal ofconstraints, task breakdown, and operations design.The research findings confirm the positive impact of improving lookaheadplanning (i.e., TA and TMR) on PPC. It also recognizes the need to perform lookaheadplanning differently for three types of work involving different levels of uncertainty:stable work, medium uncertainty work, and highly emergent work.The research confirms the LPS rules for practice and specifically the need to planin greater detail as time gets closer to performing the work. It highlights the role of LPSas a production system that incorporates deliberate planning (predetermined andoptimized) and situated planning (flexible and adaptive). Finally, the research presents recommendations for production planningimprovements in three areas: process related, (suggesting guidelines for practice),technical, (highlighting issues with current software programs and advocating theinclusion of collaborative planning capability), and organizational improvements(suggesting transitional steps when applying the LPS).

A Study on the Housing Planning in 23 Wards of the Tokyo Metropolitan Area -Focused on Housing Master Plan in the 4 Wards- (동경도 특별구의 주택시책에 관한 연구 -4구의 주택 마스터 플랜의 검토-)

  • 이민화;윤인석
    • Journal of the Korean housing association
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    • v.15 no.3
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    • pp.117-126
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    • 2004
  • The purpose of this study is to examine the characteristics of housing planning in 23 wards of the Tokyo Metropolitan Area. First, the present residential conditions in the 23 wards were investigated. And then we analyzed the basic purpose and individual policies of Housing Master Plan in the 4 wards. In this study, it was found that the basic purpose of Housing Master Plan can be classified into three parts: amenity, safety, and diversity. Analyzing the individual policies, it was found that the priority are given to safety and diversity out of the those three parts.

On the mater plan of the green in Kamakura City

  • Koshimizu, hajime;Ishikawa, Mikik;Koshizawa, Akira;Tsuchiya, Shiro
    • Journal of the Korean Institute of Landscape Architecture International Edition
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    • no.1
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    • pp.84-88
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    • 2001
  • Decision progress, plan content and planning division title of the master plan of the green in Kamakura City Japan were described. Conservation of the green and various effectiveness of the measure for realizing the green creation plan and the future development were discussed. It was indicated that the cooperation between citizens land owners and administration of the country, prefecture and city was important.

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Gap Between Rural Village Planning and Implementation - Focused on Unique Experience Village, Seochon - (농촌마을계획과 실행의 차이 분석 - 충남 서천군 이색체험마을 사례를 중심으로 -)

  • Jung, Hui;Kim, Hye-Min
    • Journal of Korean Society of Rural Planning
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    • v.13 no.3
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    • pp.91-101
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    • 2007
  • Recently the number of rural development plans are increased and projects supported by government are various. These makes rural plans important. But there are many gaps between proposed plan and implementation. These gaps were wasteful in terms of resource management. This study examines differences between plan and implementation and the reasons why they are occurred. For this purpose, we did a case study which is focused on the four-year implementation of 2004-2006 "Unique Experience Village Master Plan" of Seochon, Chungbuk. As a result, we verified facts of gaps and causes, and two major causes were detected : one is the absence of operating and managing body(such as promoter of project, village leader, residences), and the other is inadequate master plan.

A Study on The Master Plan of Sinchon Village for Rural-Tour (산청 신촌 아름마을 가꾸기 사업 기본계획에 관한 연구)

  • Kim, Seok-Kyu;Kim, Kang-Seub;Lee, Sang-Jung
    • Journal of the Korean Institute of Rural Architecture
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    • v.4 no.3
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    • pp.63-76
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    • 2002
  • The purpose of this research is planning the master plan of a rural village for rural-tourism type. The rural village area is faced on the moment of the change. A rural village only have not the thing, that the facility of the food manufacture. A rural village inhabitants need an environment improvement and income enlargement. And for the citizens need a space facility of a leisure, practical use, rest and experience in rural area. The government executed a project for this purpose. So, Sinchon village, San-chung were selected to an object village in Gyeong-nam. This investigation analyzed this village's planning elements, and established basic directions of village master plan.

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Collision-free trajectory planning for dual robot arms

  • Chong, Nak-Young;Choi, Dong-Hoon;Suh, Il-Hong
    • 제어로봇시스템학회:학술대회논문집
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    • 1988.10b
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    • pp.951-957
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    • 1988
  • A collision-free trajectory planning algorithm is proposed to optimally coordinate two robots working in a common 3-D workspace. Each link of the two robots is modeled as a line segment and by their motion priority, one of the two robots is chosen as the master and the other the slave. And the one-step-ahead minimum distance between the two robots is computed by moving the master to the next location on its specified trajectory. Then the nominal trajectory of the slave is modified such that the distance between the next locations of the master and the slave must be larger than a prespecified allowable minimum distance. Here the weighted sum of the trajectory error and the joint motions of the slave is minimized by using the linear programming technique under the constraints that joint angle and velocity limits are not violated. To show the validity of the proposed algorithm, a numerical example is illustrated by employing a two dof's and a three dof's planar robots.

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