• Title/Summary/Keyword: analytic hierachy process

Search Result 49, Processing Time 0.028 seconds

A Study on Analysis of Importance Weights of Riverfront Assessment Items Using Analytic Hierarchy Process - Focused on the Gyeong-An Stream in Gyeonggi Province - (AHP 기법을 이용한 하천 친수공간 평가항목 중요도 분석 연구 - 경기도 경안천을 중심으로 -)

  • Lee, Hyung-Sook
    • Journal of Korean Society of Rural Planning
    • /
    • v.20 no.1
    • /
    • pp.27-36
    • /
    • 2014
  • The purposes of this study are to identify assessment items to evaluate riverfront for amenity and recreation and to analyze the relative importance of the items using Analytic Hierarchy Process(AHP). Total 15 items of 5 categories were identified through literature review and panel discussion. Based on the AHP analysis results, a weighted value was set for each of the layers in the hierachy. 'Ecological Characteristics' (0.333) was rated with the highest weighted value. followed by 'Landscape Characteristics'(0.190) and 'Physical Characteristics'(0.166). Among the assessment items, 'Water Quality' (0.152) and 'River Naturality'(0.118) had higher weighted values. With the set of assessment items field assessments were carried out for Gyung-An Stream of Gyeonggi-Do to exam its applicability. Total 6 segments and 31 reaches out of the 22.5 km long river were evaluated and the mean scores of the five categories were converted into a percentile score for comparison. Overall, the segments which had higher scores were located close to neighborhood areas and had better connections with other historical and cultural amenities. Also, existing facilities was an important factor and needs to be considered for waterfront development.

Fuzzy Sensor Algorithm for Measuring Traffic Information using Analytic Hierarchy Process (계층 분석방법을 이용한 교통량검지를 위한 퍼지센서 알고리즘)

  • Jin, Hyun-Soo
    • Journal of the Korean Institute of Intelligent Systems
    • /
    • v.12 no.3
    • /
    • pp.193-201
    • /
    • 2002
  • For measuring a traffic symbolic confusion Quantity and symbolic air pleasantness, we use fuzzy sensor algorithm maded by symbolic information Quantity. Hut for implementation of fuzzy sensor, we use some symbolic information item, this method cannot produce precise output because we use vague fuzzy rule method and we cannot abundance fuzzy for precision of fuzzy rule method. For this reason, this paper introduce new fuzzy sensor algorithm composed of not fuzzy rule method but using Analytic Hierachy Process. To prove that new method is good, two type of fuzzy sensor applied to traffic signal controller and through much passing vehicle, two fuzzy sensor compared each other.

The Mobile Priority Analysis System Using AHP (AHP를 이용한 모바일 우선순위분석시스템)

  • Jang, Rae-Young;Jung, Sung-Jae;Bae, Yu-Mi;Sung, Kyung;Soh, Woo-Young
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
    • /
    • 2012.10a
    • /
    • pp.450-453
    • /
    • 2012
  • We must be the best choice in a variety of situations in decision every time. If you need to select one of several alternatives in a variety of fields, In this paper, we implement the system using AHP to analyze the results with the highest priority. AHP is one of the decision-making techniques. When Decision-makers making decisions, AHP would be useful if you need to select the alternative conflicting purpose. Excel using AHP software, or software for the PC exist. Recently, Smartphone and tablet PC is the modern man's necessities and has shown remarkable penetration. In this paper, we have developed a priority investigation Mobile Application.

  • PDF

Developing Forest Sustainability Indices of Provinces in South Korea (시도별 산림지속성의 지수화)

  • Kim, Joon-Soon;Sung, Joo Han;Kim, Joong Myung
    • Journal of Korean Society of Forest Science
    • /
    • v.95 no.6
    • /
    • pp.696-704
    • /
    • 2006
  • This study was carried out to evaluate the forest sustainability index of metropolitan and provincial districts in Korea. The forest sustain ability was assessed on the bases of economic, social, environmental axes (phase), which are essential for sustainable development, and establishment. Score of importance for each phase was analyzed by the pairwise comparison of analytic hierachy process (AHP). The forest sustainability indices were measured by 15 indicators of each 3 indicators in economic, social and environmental aspects and 6 indicators in the establishment of infrastructure. The extra weight values of indicators were assigned by the value sum weight method. The forest sustainability indices were assessed for each phase, forest management and health, and integrated index, based on the data from 1995 to 2004. The forest sustain ability indices showed the highest score of 71.8 in Gyeongsangbuk-do and the lowest score of 22.9 in Incheon as of 2004.

A Study on the Design Evaluation Indicators and Improvements of Urban Public Space (도시 공공공간 디자인 평가 지표 도출 및 개선 방안 연구)

  • Lee, Hoon-Gill;Lee, Joo-Hyung
    • Journal of the Korea Academia-Industrial cooperation Society
    • /
    • v.16 no.11
    • /
    • pp.8021-8029
    • /
    • 2015
  • This study obtains design assessment indexes that should be considered in order to improvements of the public space was to analysis the importance in the public officials/academics and practitioners side. Obtained assessment topics in accordance with characteristic of public space through previous research to them and after a detailed selection indicators was so lead through the FGI. Derived surface was subjected to the significance analysis AHP through the survey expert. For this study, the importance of the public space are working professionals usability, publicness, environment, connectivity, identity, spatiality the order, public officials/academics usability, environment, connectivity, identity, spatiality, publicness the order. In addition, professionals working in the comprehensive analysis of the most important priority was to recognize safety, public officials/academics of the most important element appeared to have cleanliness. The results obtained in this study will be used as an index that can be used in planning and evaluation for consideration of the next improvement of public space.

An analysis study for reasonable installation of tunnel fire safety facility (터널 방재설비의 합리적 설치를 위한 분석적 연구)

  • Park, Jin-Ouk;Yoo, Yong-Ho;Park, Byoung-Jik
    • Journal of Korean Tunnelling and Underground Space Association
    • /
    • v.17 no.3
    • /
    • pp.243-248
    • /
    • 2015
  • Domestic road and railroad construction have been increasingly growing and for reasons of mitigating traffic congestion, urban plan and refurbishment project, deeper and longer tunnels have been built. The event of fire is the most fatal accident in a tunnel, and it can be very disastrous with a high possibility. In this study, QRA (Quantitative Risk Analysis) which is one of quantitative risk analysis approaches was applied to tunnel fire safety design and the evaluation of QRA cases and the cost comparison of QRA methods were carried out. In addition analysis of risk reduction effect of tunnel fire safety system was conducted using AHP (Analytic Hierarchy Process) and the priority of major factors that could mitigate the risk in tunnel fire was presented. As a result, significant cost reduction effect could be obtained by incorporating QRA and it is expected to design fire safety system rationally. The priority of fire safety system based on risk mitigation effect by fire safety system considering the cost is in order of water pipe, emergency lighting, evacuation passage and smoke control system.

A Study on the Interior Design and Wall Performance Optimizing Method by Using GA and AHP (GA와 AHP를 이용한 실내 디자인과 벽체 성능 최적화 방법에 관한 연구)

  • 진경일;이경회
    • Korean Institute of Interior Design Journal
    • /
    • no.29
    • /
    • pp.86-93
    • /
    • 2001
  • This study presents about the method of alternatives selection by considering wall performance and interior design. Wall is selected fur the object and 3 items of cost, performance, and design as the objective function for optimizing are determined. Thus the wall performance selected problems, which are improvement of insulation performance, sweaty prevention, sound insulation performance and design selected problems, which is satisfactory Improvement of users about Interior design. It is important to select alternatives that can satisfy the performance and design on the capital given as much as possible. But quantitative problem such as performance or expanses and qualitative problem such as design are not in the same dimension. Therefore this problem is a multi-criteria optimization problem and also has used AHP method as the method to solve these. Moreover GA is used to solve a problem of the alternatives occurrence, which is the characteristic of multi-criteria problem. This study presents the solution method on multi-criteria problem that has been mix loaded of quantitative problem and qualitative problem by using AHP(Analytic Hierarchy Process) and GA(Genetic Algorithm).

  • PDF

Implementation of Real-Time Bilateral Control of Fuzzy Robot Hand using Analytic Hierachy Process (계층적 분석방법을 이용한 실시간 퍼지로봇핸드의 양방향 제어의 구현)

  • Jin, Hyun-Soo;Hong, Yoo-Sik
    • Journal of the Korean Institute of Intelligent Systems
    • /
    • v.14 no.5
    • /
    • pp.525-532
    • /
    • 2004
  • Telemanipulator is distingushed from industrial robot by iterating same specified work. Manipulator operator is included in control loop for controlling the telemanipulator because he decide directly during the work and order controllabily. We implement fuzzy controller for reducing the modelling error of telemanipulator which depend on the PID controller. But position-force control method of bidirectional control impose unsafety of vibiration and Analytic Hierchy method can stabilize for reducing nonlinear modelling error by expert operator because of transformation empirical control rule to linear model.

Development of a Potential Centrality Evaluation Model for Rural Villages ( I ) -Developing Model by MCE Method- (농촌마을의 중심성 평가 모형의 개발 (I) -MCE법에 의한 모형의 개발 -)

  • 김대식;정하우
    • Magazine of the Korean Society of Agricultural Engineers
    • /
    • v.44 no.1
    • /
    • pp.69-80
    • /
    • 2002
  • This study aims to develop a potential centrality evaluation model (PCEM) which can evaluate the potential centrality of villages within the catchment boundaries. PCEM is a tool for evaluation of villages\` centralities by the potential centrality index (PCI) developed in this study. For quantification of PCI, total 31 evaluation criteria on the accessibility to other villages and the natural and human environment of the village were introduced. The weighting values of criteria were calculated from the step wise pair-comparision results of 14 specialists in academic fields on rural planning using by AHP (Analytic Hierachy Process) of MCE (multi-criteria evaluation) method. In the results, the weighting values of the spatial accessibility, the natural environments and the human environments were 448, 338 and 214, respectively, among total value being 1,000.

Knowledge Acquisition and Design for the Grinding Trouble Knowledge-Base (연삭가공 트러블 지식베이스 구축을 위한 지식획득과 데이타 베이스의 설계)

  • 김건희;이재경
    • Journal of the Korean Society for Precision Engineering
    • /
    • v.12 no.1
    • /
    • pp.48-57
    • /
    • 1995
  • 연삭가공중에 발생하는 트러블의 인식과 처리는 공학적 원리에 입각한 방법과 현장 숙련기술자의 경험적 지식을 바탕으로한 방법이있다. 그러나, 연삭가공은 관계되는 가공변수가 많아, 이들 상호간의 관계를 정량적으로 규명할 수 없어 대부분이 숙련자의 지식에 의존하는 것이 현실정이다. 본 논문은 이와같은 점에 착안하여 원통연삭을 대상으로 현장숙련자가 갖고 있는 경험적이고도 정성적인 지식의 호과적인 활용을 위해 계층분석으로 도입하여 이들이 갖고 있는 노하우를 정량화하고, 아울러 공학적원리를 가미한 연삭가공을 트러블 진단. 처리 시스템을 구축하였다. 또한 시스템 구성에 신뢰성을 높이기 위해 폴트 진단 모델을 도입하였다.

  • PDF