LIMIT CYCLE BIFURCATIONS IN DISCONTINUOUS PLANAR SYSTEMS WITH MULTIPLE LINES

LIMIT CYCLE BIFURCATIONS IN DISCONTINUOUS PLANAR SYSTEMS WITH MULTIPLE LINES
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限制多线不连续平面系统中的循环分岔

DOI:
10.11948/20190274
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发表时间:
2020
影响因子:
1.1
通讯作者:
Han Maoan
Han Maoan
中科院分区:
数学4区
文献类型:
--
作者:
Yanqin Xiong;Han Maoan

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摘要研究了一类具有n条平行开关线的平面不连续扰动系统的极限环分支问题。在未扰动系统具有一族与所有直线相交的周期轨道的假设下,给出了沿周期轨道沿着的一阶Melnikov函数的显式表达式,该表达式在研究极限环分岔问题中具有重要作用.作为所建立方法的一个应用,考虑了一类不连续系统极限环的最大个数问题。
Abstract In this paper, the limit cycle bifurcation problem is investigated for a class of planar discontinuous perturbed systems with n parallel switch lines. Under the assumption that the unperturbed system has a family of periodic orbits crossing all of the lines, an explicit expression of the first order Melnikov function along the periodic orbits is presented, which plays an important role in studying the problem of limit cycle bifurcations. As an application of the established method, the maximal number of limit cycles of a discontinuous system is considered.
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