Paper Title:

The Robust Optimization Design for Breaking Spring of Spring Actuator of Vacuum Circuit Breaker

Periodical Advanced Materials Research (Volumes 199 - 200)
Main Theme Advances in Mechanical Design
Edited by Jianmin Zeng, Zhengyi Jiang, Taosen Li, Daoguo Yang and Yun-Hae Kim
Pages 1217-1222
DOI 10.4028/www.scientific.net/AMR.199-200.1217
Citation Bo Sun et al., 2011, Advanced Materials Research, 199-200, 1217
Online since February, 2011
Authors Bo Sun, Gang Chen, Xiao Ming Liu, Er Zhi Wang
Keywords Breaking Spring, Optimization, Robust Design, Spring Actuator, Tolerance
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Abstract

In this paper, the concept of robust optimization design for the breaking spring of spring actuator of vacuum circuit breaker is presented. The function, that is to minimize the error and maximal variations of spring stiffness coefficient related with structure parameters and its tolerances, is chosen as the objective function, and the acceptable region of the tolerances is formed by some constraints. The optimum parameters of the breaking spring are given by solving the nonlinear programming problem with multi-target and two-level optimization, and the optimization results are discussed.