中国安全科学学报 ›› 2018, Vol. 28 ›› Issue (S1): 17-21.doi: 10.16265/j.cnki.issn1003-3033.2018.S1.004

• 安全系统学 • 上一篇    下一篇

基于Broyden秩1算法的磁浮列车再生制动分析

安邦1, 郭艺丹2, 赵磊2   

  1. 1 61618部队, 北京 100062
    2 国家铁路局 装备技术中心, 北京 100036
  • 收稿日期:2018-03-06 修回日期:2018-05-16 出版日期:2018-06-30 发布日期:2020-11-20
  • 作者简介:安 邦 (1990—),男,内蒙古赤峰人,硕士,助理工程师,主要从事地理环境信息、轨道交通技术等方面的研究。E-mail: andy_nudt@163.com。

Analysis of regenerative braking of maglev train based on Broyden rank 1 algorithm

AN Bang1, GUO Yidan2, ZHAO Lei2   

  1. 1 61618 Troops, Beijing 100062, China
    2 Equipment Technology Center, National Railway Administration, Beijing 100036, China
  • Received:2018-03-06 Revised:2018-05-16 Online:2018-06-30 Published:2020-11-20

摘要: 为更好地了解中低速磁浮列车再生制动时电网电压的变化状况,在分析中低速磁浮列车用直线感应电机特性的基础上,建立中低速磁浮列车再生制动动态网络仿真模型,并解算描述模型产生的大量非线性方程组;同时,为保持目标函数Hesse矩阵正定,采用改进的拟牛顿算法即Broyden秩1算法,以北京磁浮交通S1线工程为解算对象,计算分析列车稳定运行时牵引电网电压的变化状况。结果表明:与目前大量采用的传统Newton Raphson 算法不同,Broyden秩1算法对迭代计算的初值要求不高,并且能够有效提高收敛速度,同时抑制了仿真计算结果的发散。

关键词: 磁浮列车, 牵引供电, 再生制动, Broyden秩1算法

Abstract: On the basis of analyzing feature of middle and low speed linear induction motor for maglev train, the simulated model of regenerate breaking dynamic network for middle and low speed maglev train was studied and dynamic net simulation model was established and the massive nonlinear equations were calculated thus g knowing the variation of grid voltage transformation during regenerate breaking. In order to maintain matrix positive for object function Hesse, improved Broyden rank 1 algorithm was adopted and Beijing maglev S1 line project was used as calculating object and the grid voltage variation rate on occasion of stable motion was calculated on. The results show that Broyden rank 1 algorithm requires low initial value of iterative computation with comparison of traditional Newton-Raphson method. The convergence rate is improved effectively and the divergence of simulated calculation results is restrained.

Key words: maglev train, traction power supply, regenerative braking, Broyden rank 1 algorithm

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