Cited by 38Advanced Multi-Objective Optimization AlgorithmsMetaheuristic Optimization Algorithms ResearchEvolutionary Algorithms and Applications

A Surrogate-Assisted Evolutionary Framework With Regions of Interests-Based Data Selection for Expensive Constrained Optimization

Song, Zhenshou, Wang, Handing, Jin, Yaochu·2023·IEEE Transactions on Systems Man and Cybernetics Systems

Abstract

Optimization problems whose evaluations of the objective and constraints involve costly numerical simulations or physical experiments are referred to as expensive constrained optimization (ECO) problems. Such problems can be solved by evolutionary algorithms (EAs) in conjunction with computationally cheap surrogates that separately approximate the expensive objective and constraint functions. During the process of the ECO, the interested regions of surrogate models for the objective and constraints usually have a small overlap only. Specifically, the surrogate model for the objective function should focus on the prediction accuracy in the promising region, while the models for constraint functions should concentrate on the accuracy at the boundary of the feasible region. However, most existing methods neglect such differences and train those different models using the same training data, barely resulting in satisfactory performance. Therefore, we propose a general framework for solving expensive optimization problems with inequality constraints. In the proposed framework, the objective and constraints are separately trained with two different sets of training data to enhance the prediction accuracy and reliability in the interested regions. A novel infill sampling criterion is tailored to decide whether potentially better or more uncertain solutions should be sampled. Moreover, a new strategy, termed search intensity adjustment, is designed for adjusting the number of search generations on new surrogate models. We attempt to embed three competitive constrained EAs into our framework to verify its generality. The experimental results obtained on numerous benchmark functions from CEC2006, CEC2010, and CEC2017 have demonstrated the superiority of our approach over three state-of-the-art surrogate-assisted EAs.

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Crossref · 10.1109/tsmc.2023.3281822

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  • MoE models can significantly enhance efficiency by deploying model parallelism across multiple specialized expert modules, enabling transformer-based modules for dynamic token routing and scaling to trillions of parameters, reducing memory footprint and computational costs.

    “MoE models can significantly enhance efficiency by deploying model parallelism across multiple specialized expert modules, which enables these models to leverage transformer-based modules for dynamic token routing, and to scale to trillions of parameters, thereby reducing both memory footprint and computational costs [94], [98].”

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Authors
Song, Z., Wang, H., & Jin, Y.
Affiliations
  • Xidian University (CN)
  • Bielefeld University (DE)
Venue
IEEE Transactions on Systems Man and Cybernetics Systems
Published
2023-10
Volume
53
Issue
10
Pages
6268-6280
ISSN
  • 2168-2216 (ISSN-L)
  • 2168-2232
OpenAlex
W4380607290
Cited by
38
References
41
Citations by year
2026: 12 · 2025: 17 · 2024: 6 · 2023: 3
FWCI
5.42
Type
journal article
Language
en
Open access
closed
Locations
  • IEEE Transactions on Systems Man and Cybernetics Systems (publishedVersion)
  • PUB – Publications at Bielefeld University (Bielefeld University) (submittedVersion)
Funders
  • National Natural Science Foundation of China (61976165)
  • Alexander von Humboldt Professorship for Artificial Intelligence
  • German Federal Ministry of Education and Research
Topics
  • Physical Sciences › Computer Science › Computational Theory and Mathematics › Advanced Multi-Objective Optimization Algorithms
  • Physical Sciences › Computer Science › Artificial Intelligence › Metaheuristic Optimization Algorithms Research
  • Physical Sciences › Computer Science › Artificial Intelligence › Evolutionary Algorithms and Applications
Keywords
surrogate-assisted evolutionary algorithms, surrogate models, data selection, inequality constraints

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