• Title/Summary/Keyword: optimal planning

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A Path Planning Algorithm for Dispenser Machines in Printed Circuit Board Assembly System (인쇄회로기판 조립용 디스펜서의 경로계획 알고리즘)

  • 송종석;박태형
    • Journal of Institute of Control, Robotics and Systems
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    • v.6 no.6
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    • pp.506-513
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    • 2000
  • This paper proposes a path planning algorithm for dispensers to increase the productivity in printed circuit board assembly lines. We analyze the assembly sequence of the dispenser, and formulate it as an integer programming problem. The mathematical formulation can accomodate multiple heads and different types of heads through extended cost matrix. The TSP algorithms are then applied to the formulated problem to find the near-optimal solution. Simulation results are presented to verify the usefulness of the proposed scheme.

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Construction of RDPPL / SAFE based on Quantification of Feasibility Function (Feasibility Function의 정량화(定量化)에 근거한 RDPPL/SAFE의 기능구축(機能構築))

  • Gwon, Cheol-Sin
    • Journal of Korean Institute of Industrial Engineers
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    • v.8 no.2
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    • pp.3-14
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    • 1982
  • The purpose of this study is to establish the function of a sub-system for System Alternatives Feasibility Estimation (SAFE) in R & D Project Planning Phase (RDPPL). It is the fundamental function of the RDPPL/SAFE that selected an optimal planning system alternative of all, considered at RDPPL/SAS, by logical means in view of feasibility. In this paper, improving the function of RDPPL/SAFE, mathmatical models in order to quantify methods determining and integrating the feasibility funtion in each terminal system with a multi-stage process are examined.

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A study on the method of locational power development planning (지역성을 반영한 전력수급계획 방법론에 관한 연구)

  • Ha, Seok-Man;Chung, Koo-Hyung;Kim, Bal-Ho H.
    • Proceedings of the KIEE Conference
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    • 2006.11a
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    • pp.195-197
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    • 2006
  • This paper presents new power development planning method. This method uses modified-OPF (Optimal Power Flow) includes attribution constrains. After solved the OPF, shadow prices of constraints are used making the weighting factors. These factors are used ordering new generators.

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Constrained Economic Dispatch for Planning purpose (전력계통 계획용 최적운전 모델)

  • Baek, Young-Sik;Kwon, Young-Han;Choo, Jin-Boo
    • Proceedings of the KIEE Conference
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    • 1992.07a
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    • pp.100-102
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    • 1992
  • Optimal generation dispatch algorithm is developed using L.P and load dispatch method. The algorithm is composed with three steps. Fist phase, analytical algorithm is adopted to solve to minimize quadratic cost functions which fits well for planning purpose. Second phase uses L.P method for obtain economic redispatch that satisfies line constraints. When there is no solution whitch satisfy line constraints load shedding algorithm solves the problem.

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Planning Horizon Procedure for the Dynamic Lot Size Model with Multiple Production Modes (다종생산방식(多種生産方式)을 갖는 동적(動的) 롯트결정(決定) 문제(問題)에 관한 계획기간(計劃期間) 절차(節次))

  • Ro, Jae-Ho
    • Journal of Industrial Technology
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    • v.5
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    • pp.91-96
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    • 1985
  • This paper presents a problem of a Wagner-Whitin type in which there are several options for setup and production in a period. Theorems that efficiently decrease the computational effort required to find optimal policies and a Planning Horizon Theorem are developed.

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Maintenance Limit Renewal Policy for Inferiority System based on Opportunity Cost (기회비용을 고려한 열화시스템의 보전한계갱신정책)

  • 박상민;김연수
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.17 no.32
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    • pp.233-242
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    • 1994
  • This study deals with the derivative adverse minimum for inferiority system depends on continuose operating under infinite planning horizon. This planning will be accomplished by maintenance limit renewal policy in consideration of opportunity cost which affects system by failure during operation periods and expected cost under nomal operation states. By the results, we will be expected incresing total efficiency for the system by optimal renewal policy.

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Waste Management for Hog Farms - Review -

  • Svoboda, I.F.;Jones, A.
    • Asian-Australasian Journal of Animal Sciences
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    • v.12 no.2
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    • pp.295-304
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    • 1999
  • The planning and application of new developments in management of wastes. in hog farming is required to minimise the gaseous emissions from wastes and pollution of the aquatic environment. These strategies are enveloped in the "Farm Waste Management Plan" which identifies areas of the waste assets in form of plant nutrient and considers optimal manute collecting and storing procedures. The storage volumes for environmentally acceptable manure treatments and application methods are suggested. Good Waste Management Planning together with appropriate system design will ensure safe, reliable and effective waste handling.

A multi-product multi-facility production planning model with capacity constraints

  • Sung, C.S.
    • Journal of the Korean Operations Research and Management Science Society
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    • v.10 no.2
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    • pp.15-23
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    • 1985
  • A multi-product multi=facility production planning model is in which known demands must be satisfied. The model considers concave production costs and piecewise concave inventory costs in the introduction of production capacity constraints. Backlogging of unsatisfied demand is permitted. The structure of optimal production schedules is characterized and then used to solve an illustrative numerical problem.

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A Two-Product Three-Facility Production Planning Model in a Combined Parallel and Serial System

  • Sung, C.S.;Lee, B.J.;Lee, Y.J.
    • Journal of Korean Institute of Industrial Engineers
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    • v.11 no.2
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    • pp.47-56
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    • 1985
  • This paper considers a two-product three-facility production planning model, where facility 1 produces product 1 to satisfy its own market requirements and supplies input to facility 2, and facility 2 requires another input from facility 3 (outside supplier). The objective is to determine the optimal production amount in each period in order to satisfy the dynamic demands on time, which minimizes the total cost of production and storage. The set-up cost is incurred jointly from the multi-facility operations.

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Path Planning for Mobile Robots using Visibility Graph and Genetic Algorithms (가시도 그래프와 유전 알고리즘에 기초한 이동로봇의 경로계획)

  • 정연부;이민중;전향식;최영규
    • 제어로봇시스템학회:학술대회논문집
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    • 2000.10a
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    • pp.418-418
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    • 2000
  • This paper proposes a path planning algorithm for mobile robot. To generate an optimal path and minimum time path for a mobile robot, we use the Genetic Algorithm(GA) and Visibility Graph. After finding a minimum-distance between start and goal point, the path is revised to find the minimum time path by path-smoothing algorithm. Simulation results show that the proposed algorithms are more effective.

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