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收集所有交通大學研究人員與學生個人或團體所發表之各項學術著作，涵蓋期刊論文、教師專書、學位論文等項。;;Collections of Publications of NCTU Researchers and Students Like Journal Papers and Thesis.

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🏛️國立陽明交通大學機構典藏

Author: search.filters.author.Chang, Liang-ChengSubject: search.filters.subject.system dynamics

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Now showing 1 - 3 of 3
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    The application of system dynamics to water resources sustainable use for the Kaopin river basin
    (2005)
    Yang, Chao-Chung
    ;
    Shan, Hsin-Yu
    ;
    Lee, Han-Keng
    ;
    Hsu, Shao-hua
    ;
    Chen, Tze-Wei
    The demand for water in Kaopin river basin has increased significantly in recent years owing to industrial growth and increasing living standards. This situation not only raises the crisis of water deficit but also brings serious problem of water pollution. Hence, any suitable strategy is required to consider simultaneously the effect between water quantity and water quality. A system dynamics model is including the critical feedback structures in the system. Simulating the model shows the effect of the system structure on policy interventions. Therefore, system dynamics is well-suited to analyzing problems whose behavior is governed by feedback relationships and which have a long-term time horizon. Finally, this study addressed two major problems: 1) water deficit, 2) water pollution and then makes the appropriate strategy to avoid the huge impact between water deficit and water pollution and also prohibit the time delay of strategy.
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    Policy assessment for conjunctive-use of surface and subsurface water using system dynamics
    (2007)
    Ho, Chih-Chao
    ;
    Yang, Chao-Chung
    ;
    Chang, Liang-Cheng
    ;
    Leung, Wai-Yi
    ;
    Yeh, Ming-Sheng
    The conjunctive use of surface and subsurface water is used commonly for offering stable supplies in water resources management. Owing to the water distribution problem is spatial dependency and temporal dependency, the new water resource intervention make system getting more complicated. Conventionally, optimization distribution model' has been taken to solve such complex allocation problem. However, the determination of constraints and objective functions must be under the settled system and the resolving process is subject to the selected optimal methodology. Hence, 'optimization distribution model' is difficult to solve the problem of capacity expansion and system expansion caused by policy postponed This study provides a powerful object oriented simulation model, system dynamics, alternative to optimization distribution model for representing complexity and variation of systems and analyzing their dynamics behavior. This approach uses a perspective based on stock-flow diagram which exploit system structure and operation procedures simultaneously hidden in modelers mind.. Finally, a case study in southern Taiwan is adopted herein to show the flexible and versatile of proposed approach.
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    Application of system dynamics with impact analysis to solve the problem of water shortages in Taiwan
    (2008-11-01)
    Yang, Chao-Chung
    ;
    Chang, Liang-Cheng
    ;
    Ho, Chih-Chao
    ;
    土木工程學系
    ;
    Department of Civil Engineering
    The major two concerns for planning a successful water strategy in Taiwan are the modification of water shortages and a total financial cost, construction, and operating costs. Therefore, the purpose of this study is to formulate an appropriate strategy to seek a balance between mitigating water shortages and total financial cost. Accordingly, we propose a process for combining a system dynamics approach and impact analysis to evaluate water strategy systematically and quantitatively. Water shortages and total financial cost are referred to, as governments are responsible for the management of regional water resources. System dynamics is one approach that can help decision makers build a simulation model of a complex water supply system. The value of a water shortage and total cost to all possible planning strategies for future water demand can be obtained from system dynamics model simulation. The content of proposed impact analysis is used to design indexes that are able to indicate (1) the severity of a water shortage and (2) total financial cost. Examining the performance of proposed indexes, we can understand the interactive impact between these two objectives in every strategy and then select appropriate strategies. Finally, the effectiveness of the proposed methodology is verified by solving a problem of water shortage and total financial cost in central Taiwan.