Perturbation incremental method of limit cycle for a nonlinear conveyor belt system

Perturbation incremental method of limit cycle for a nonlinear conveyor belt system
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非线性传送带系统极限环的摄动增量法

DOI:
10.1007/s11071-021-06573-2
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发表时间:
2021-06
期刊:
影响因子:
5.6
通讯作者:
Lin Yezhi
Lin Yezhi
中科院分区:
工程技术2区
文献类型:
--
作者:
Wang Hailing;Chen Zhang;Li Zuxiong;Chu Zhusong;Li Junhua;Lin Yezhi

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本文利用摄动增量法研究了一类非线性传送带系统的极限环。我们首先将系统分为两个子类。由于前者是异宿轨道,而后者不是异宿轨道,因此在应用过程中存在一定的差异。接下来的两个步骤,摄动部分给出零阶摄动解并将其作为增量部分的初值,在增量部分通过控制参数的取值得到相应的极限环。在此基础上,给出了这几类系统极限环的近似解析表达式,并通过数值模拟与四阶Runge-Kutta方法数值积分的比较,验证了所得结果的有效性.最后给出了一些结论和展望。
In this paper, we study the limit cycle of a nonlinear conveyor belt system by utilizing the perturbation incremental method. We first divide the system into two subclasses. On account of the former is heteroclinic orbit and the latter is not, there are some differences in the process of employing this method. Next two steps are introduced, the perturbation part provides the zero-order perturbation solution and takes it as the initial value of the incremental part, and in the incremental part, the corresponding limit cycle is obtained by controlling the value of the parameter. Under this circumstance, approximate analytical expressions of limit cycles of those classes are found. Then, numerical simulations are presented to prove the effectiveness of the results by comparison with numerical integration using the fourth-order Runge–Kutta method. Finally, some conclusions and expectations are given.
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