Showing 1 - 10 of 91
The maximum simulated likelihood estimation of random parameter logit models is now commonplace in various areas of economics. Since these models have non-concave simulated likelihood functions with potentially many optima, the selection of "good" starting values is crucial for avoiding a false...
Persistent link: https://www.econbiz.de/10011098998
This paper proposes a novel method of global optimization based on cuckoo-host co-evaluation. It also develops a Fortran-77 code for the algorithm. The algorithm has been tested on 96 benchmark functions (of which the results of 30 relatively harder problems have been reported). The proposed...
Persistent link: https://www.econbiz.de/10011108336
This paper present short-term combined economic and emission hydrothermal optimization, addressing total fuel costs and emissions minimization. This paper uses the fuel cost function with valve-point effect, which increases the degree of optimization problem difficulty. The optimal balance...
Persistent link: https://www.econbiz.de/10011189412
Penalty function methods are popular in dealing with the constrained optimization problems. How to choose reasonable penalty coefficients is a crucial problem which usually poses great influence on the quality of the final solution found. In this paper, the definition of the minimum penalty...
Persistent link: https://www.econbiz.de/10011241250
The design trade-offs between thermodynamics and economics for thermal systems can be studied with the aid of multi-objective optimization techniques. The investment costs usually increase with increasing thermodynamic performance of a system. In this paper, an enhanced differential evolution...
Persistent link: https://www.econbiz.de/10010737734
The micro-siting of wind farms has recently attracted much attention due to the booming development of wind energy. The paper aims to maximize the electrical power extracted from a wind farm while satisfying the required distance between turbines for operation safety. The micro-siting problem is...
Persistent link: https://www.econbiz.de/10010806277
The solar–thermal refrigeration systems, covering the solar absorption refrigeration system (SAbRS) and the solar adsorption refrigeration system (SAdRS), were designed for typical office in the subtropical Hong Kong. The approach of simulation–optimization was adopted in order to determine...
Persistent link: https://www.econbiz.de/10010808340
Parameter identification of PEM (proton exchange membrane) fuel cell model is a very active area of research. Generally, it can be treated as a numerical optimization problem with complex nonlinear and multi-variable features. DE (differential evolution), which has been successfully used in...
Persistent link: https://www.econbiz.de/10010809433
This paper develops a differential-evolution-based solution for the problem of proton exchange membrane fuel cell stack modeling. The problem is analytically intractable and computationally hard. The present paper produces results that outperform state-of-the-art approaches on three performance...
Persistent link: https://www.econbiz.de/10010811098
Constrained optimization is an important research topic that assists in quality planning and decision making. To solve such problems, one of the important aspects is to improve upon any constraint violation, and thus bring infeasible individuals to the feasible region. To achieve this goal,...
Persistent link: https://www.econbiz.de/10010896372