Browsing by Author "TENG, JY"

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MULTICRITERIA EVALUATION FOR STRATEGIES OF IMPROVING AND CONTROLLING AIR-QUALITY IN THE SUPER CITY - A CASE-STUDY OF TAIPEI CITY
(1994-03-01)
TENG, JY
;
TZENG, GH
;
運輸與物流管理系註：原交通所+運管所
;
Department of Transportation and Logistics Management
The deterioration of air quality in big cities is closely related to transportation. Thus, the application of transportation means to improving and controlling the air quality of metropolitan areas is a correct and functioning method. Among several feasible improvement policies, transportation system management (TSM) is a kind of low-cost method which can be expected to show effects in a short-term period. It would necessitate a great deal of manpower, effort and time if each one of these methods were to be measured precisely and objectively. As a result, the utilization of an expert evaluation model to extract professional knowledge from various fields so as to locate views of consensus would result in a successful decision-making method under circumstances where information is incomplete. This paper puts forward three phases of a multicriteria evaluation model which will, at the onset, perform consensus elimination under key criteria so as to find out non-dominated strategies; next, every expert uses the ELECTRE III model to rank non-dominated strategies under multiple criteria; the consensus ranking method proposed by Cook and Seiford (1978) is then employed for uncovering the ranking of minimal recognition differences from all experts. This paper takes Taipei city as an illustration to elaborate the intended method.
MULTIOBJECTIVE DECISION-MAKING APPROACH TO ENERGY SUPPLY MIX DECISIONS IN TAIWAN
(1994-07-01)
TZENG, GH
;
SHIAU, TA
;
TENG, JY
;
運輸與物流管理系註：原交通所+運管所
;
Department of Transportation and Logistics Management
This article proposes an integrated multiobjective decision-making (MODM) model to deal with energy supply mix problems in Taiwan based on its characteristics. The analytical framework integrates multiobjective programming (MOP), multicriteria decision making (MCDM), and group decision making (GDM) methods and considers decision dependencies existing in the time horizon. The integrated model has the advantages of flexibility, reasonableness, and robustness. The analyzed outputs, including alternatives, the preferred solution, and the best compromise solution, are provided as a basis for decision making.
ROBUST CONTINGENCY PLANS FOR TRANSPORTATION INVESTMENT PLANNING
(1993-01-01)
KARTAM, N
;
TZENG, GH
;
TENG, JY
;
運輸與物流管理系註：原交通所+運管所
;
Department of Transportation and Logistics Management
A multistage decision process for transportation investment planning is described. Most transportation investment problems inherently involve multiple criteria and uncertainty. To deal with the variations arising from changes in external environments, robust contingency plans should be integrated in the planning process-not after plans are developed-to account for uncertainty. With the proposed decision process, a multiple criteria decision making (MCDM) method is first used to select a set of good potential designs (or potential solutions). Corresponding optimal contingency plans for each design under uncertainty are then prepared. Robustness considerations are used in making the final selection among contingency plans. To demonstrate the proposed decision making process, a scenario approach is applied to develop a multistage decision making process for transportation investment planning problems. Finally, an example of regional transportation investment is presented to illustrate the method.