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DC-DC开关功率变换器的非线性动力学行为研究 总被引:6,自引:0,他引:6
DC-DC开关功率变换器是一种典型的分段光滑动力学系统, 在一定的工作和参数条件下, 系
统会出现各种分岔如倍周期分岔、Hopf分岔、边界碰撞分岔和混沌运动. 系统评述了
DC-DC开关功率变换器的非线性动力学行为的研究进展;介绍了离散非线性映射、分段线性
模型、平均值模型等3种建模方法;分析了这种电路系统中的分岔特点及通向混沌的途径与
机制;结合我们的研究工作, 讨论了对这种电路系统进行混沌控制的必要性及相关策略;最
后, 从应用的角度提出了未来的若干研究方向. 相似文献
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Excitation Properties of the Biological Neurons with Side-Inhibition Mechanism in Small-World Networks 总被引:3,自引:0,他引:3 下载免费PDF全文
We have studied the excitation properties of biophysical Hodgkin-Huxley neurons with the side-inhibition mechanism in small-world networks. The result shows that the excitation properties in the networks are preferably consistent with the characteristic properties of a brain neural system under external constant stimuli, such as fatigue effect, extreme excitation principle, and the brain neural excitation response induced by different in- tensity of noise and coupling. The results of the study might shed some light on the study of the brain nerve electrophysiology and epistemological science. 相似文献
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