نتایج جستجو برای: adaptive multimodal optimization

تعداد نتایج: 533391  

2011
Kirk Martini

This paper describes and demonstrates modifications of the harmony search method to support multimodal structural optimization. Several researchers have recognized the potential of population-based optimization methods, such as genetic algorithms and particle swarm optimization, to support multimodal optimization, that is, generating a range of good alternative solutions, rather than a single b...

Journal: :Evolutionary computation 2005
José M. Peña José Antonio Lozano Pedro Larrañaga

Many optimization problems are what can be called globally multimodal, i.e., they present several global optima. Unfortunately, this is a major source of difficulties for most estimation of distribution algorithms, making their effectiveness and efficiency degrade, due to genetic drift. With the aim of overcoming these drawbacks for discrete globally multimodal problem optimization, this paper ...

Journal: :Signal Processing Systems 2009
Alexander Wong Jeff Orchard

Automatic registration of multimodal images has proven to be a difficult task. Most existing techniques have difficulty dealing with situations involving highly non-homogeneous image contrast and a small initial overlapping region between the images. This paper presents a robust multi-resolution method for registering multimodal images using local phase-coherence representations. The proposed m...

2016
Taymaz Rahkar-Farshi Sara Behjat-Jamal

In this paper, a multimodal firefly algorithm named the CFA (Coulomb Firefly Algorithm) has been presented based on the Coulomb’s law. The algorithm is able to find more than one optimum solution in the problem search space without requiring any additional parameter. In this proposed method, less bright fireflies would be attracted to fireflies which are not only brighter, but according to the ...

Journal: :The International Journal of Robotics Research 2020

2013
Chun Jin Jim Han Yoshiyuki Higuchi

Faculty of Symbiotic Systems Science, Fukushima University, Fukushima City, 960-1296, Japan This paper focuses on efficiency of simulation-based optimization for container terminal operation system. Firstly, the discrete-event simulation model of multimodal operation system on container terminal was presented with the queuing network, for which the mathematical optimization model of resource al...

2008
Jani Rönkkönen Xiaodong Li Ville Kyrki Jouni Lampinen

The topic of multimodal function optimization, where the aim is to locate more than one solution, has attracted a growing interest especially in the evolutionary computing research community. To experimentally evaluate the strengths and weaknesses of multimodal optimization algorithms, it is important to use test functions representing different characteristics and of various levels of difficul...

Journal: :international journal of smart electrical engineering 0
m. khosraviani department of computer engineering. and it, islamic azad university, m. jahanshahi department of computer engineering, central tehran branch, islamic azad university m. farahani young researchers and elite club, east tehran branch, islamic azad university, a.r. zare bidaki young researchers and elite club, east tehran branch, islamic azad university,

this study proposes a combination of a fuzzy sliding mode controller (fsmc) with integral-proportion-derivative switching surface based superconducting magnetic energy storage (smes) and pid tuned by a multi-objective optimization algorithm to solve the load frequency control in power systems. the goal of design is to improve the dynamic response of power systems after load demand changes. in t...

1994
Samir W. Mahfoud

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Journal: :IEEE Trans. Evolutionary Computation 1998
Bruno Sareni Laurent Krähenbühl

Interest in multimodal optimization function is expanding rapidly since real-world optimization problems often require the location of multiple optima in the search space. In this context, fitness sharing has been used widely to maintain population diversity and permit the investigation of many peaks in the feasible domain. This paper reviews various strategies of sharing and proposes new recom...

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