Methods for Generating Alternative Solutions to Environmental Planning Problems
Chang, Shoou-Yuh
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https://hdl.handle.net/2142/66896
Description
Title
Methods for Generating Alternative Solutions to Environmental Planning Problems
Author(s)
Chang, Shoou-Yuh
Issue Date
1981
Department of Study
Civil Engineering
Discipline
Environmental Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Sanitary and Municipal
Language
eng
Abstract
An optimization model is not a perfect representation of a complex environmental planning problem because not all important objectives can be captured in a model. Optimization models can be used in a planning process to generate planning alternatives that are good and different so that the analyst and the decision maker can examine a wide range of alternatives to gain insight and understanding. Modeling to generate alternatives (MGA) is designed to serve this purpose. Several MGA methods, a random method, a generating and screening (G&S) method and a Fuzzy HSJ method, are developed in this dissertation. This work also provides an assessment of the potential use of these MGA methods and an HSJ method for generating good and different alternative solutions; the methods are illustrated using a land use planning problem and a solid waste problem, which are formulated as linear programming models, and a wastewater treatment system planning problem, which is formulated as a mixed integer programming (MIP) model. The results show that various attractive and different plans for the problems can be obtained by using the above approaches.
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