An improved support vector regression and its modelling of manoeuvring performance in multidisciplinary ship design optimization

被引：5

作者：

School of Naval Architecture & Ocean Engineering, Jiangsu University of Science and Technology, Zhenjiang ^{[1
]}

Jiangsu

212003, China

不详 ^{[2
]}

SO17 1BJ, United Kingdom

机构：

[1] School of Naval Architecture & Ocean Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, Jiangsu

[2] Faculty of Engineering and the Environment, University of Southampton, Southampton

来源：

Int J Modell Simul | / 3-4卷 / 122-128期

基金：

中国国家自然科学基金;

关键词：

Metamodel; Multidisciplinary design optimization; Ship manoeuvring; Support vector machine;

D O I：

10.1080/02286203.2015.1111055

中图分类号：

学科分类号：

摘要：

In this paper, the combination of the Laplace loss function and support vector regression (SVR) is presented for the estimation of manoeuvring performance in multidisciplinary ship design optimization, and a new SVR algorithm was proposed, which has only one parameter to control the errors and automatically minimized with ν, and adds b2/2 to the item of confidence interval. It is shown that the proposed SVR algorithm in conjunction with the Laplace loss function can estimate the ship manoeuvring performance appropriately compared to the simulation results with Napa software and other approximation methods such as artificial neural network and classic SVR. In this article, we also gather enough ship information about the offshore support vessel; the Latin Hypercube Design is employed to explore the design space. Instead of requiring the evaluation of expensive simulation codes, we establish the metamodels of ship manoeuvring performance; all the numerical results show the effectiveness and practicability of the new approximation algorithms. © 2016 Informa UK Limited, trading as Taylor & Francis Group.

引用

页码：122 / 128

页数：6

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