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[期刊论文] 作者:周鑫林,杨洪永,张强, 来源:家电科技 年份:2022
阻尼器是一个强非线性迟滞系统,难以用简单的数学模型对其进行表达.为解决这一问题,应用Bouc-wen模型对阻尼器进行建模用以描述阻尼器的特性.Bouc-wen模型已经广泛应用于描述材料和结构对作用力的迟滞响应....首先,为确定阻尼器的非线性特性,通过实验测试,得到阻尼器在不同频率和振幅激励下的迟滞特性曲线.通过这些数据Bouc-wen模型的参数能够被辨识出来.分别应用遗传算法与神经网络这两种不同的算法对Bouc-wen...
[期刊论文] 作者:邱卓,华顺明,彭宇,王义强,张宇, 来源:机械工程与自动化 年份:2022
针对压电叠堆的固有非线性迟滞现象,提出了一种迟滞模型.基于经典Bouc-Wen模型的基本思想,对其率相关的局限性进行优化,在此基础上构建了广义Bouc-Wen迟滞模型,在不提高模型参数辨识难度的同时,保证了模型在不同速率下仍具有较高的精度...
[期刊论文] 作者:王鹏,杨绍普,刘永强,赵义伟,王翠艳, 来源:工程科学学报 年份:2022
Wen模型.分析了各向同性与异性MRE的微观形貌特征,对MRE进行了性能试验,研究发现,MRE的储能和损耗模量随着应变幅值(0~100%)增大先不变后减小,随着频率(0~100 Hz)增大而增大,随着磁场...Wen模型...
[学位论文] 作者:徐瑞瑞, 来源:武汉工程大学 年份:2022
本文以压电微纳平台为实验对象,首先利用改进的Bouc-Wen模型来描述其迟滞现象。然后,使用改进粒子群算法对改进Bouc-We...
[期刊论文] 作者:孔凡,韩仁杰,张远进,李书进, 来源:振动工程学报 年份:2022
Wen系统响应的统计线性化方法.基于系统响应可分解为确定性谐波和零均值随机分量之和的假定,将原滞回运动方程等效地化为两组耦合的且分别以确定性和随机动力响应为未知量的非线性微分方程.利用谐波平衡法求解确定性运动方程...
[期刊论文] 作者:周民瑞, 周振华, 刘鑫, 曹太山, 李战慧, 来源:仪器仪表学报 年份:2022
传统Bouc-Wen模型难以精确表征压电执行器固有非对称率相关动态迟滞非线性,因此提出一种广义Bouc-Wen(GBW)迟滞模型用于精确表征压电执行器的迟滞非线性。...首先,基于传统Bouc-Wen迟滞模型引入两项非对称项和二阶IIR滤波器表征压电执行器非对称迟滞及高频相位滞后特性,进一步分析了模型参数值与频率变化规律并确定了模型的率相关参数。...
[期刊论文] 作者:, 来源:北京周报(英文版) 年份:2022
Pakistan and the development of the China-Pakistan Economic Corridor (CPEC) with Beijing Review reporter Wen...
[期刊论文] 作者:李全忠, 来源:疯狂英语·新悦读 年份:2022
Heritage”in 2020.rn2Chen Zhenglei was born in May 1949 at the birthplace of Taijiquan—Chenjiagou Village, Wen...
[期刊论文] 作者:Wen Qing, 来源:北京周报(英文版) 年份:2022
An unexpected gift for world peace arrived with little fanfare at the beginning of 2022. On January 5, a joint statement onpreventing nuclear war and avoiding arms races was released by the leaders of China, France, Russia, the UK and the U......
[期刊论文] 作者:Wen Qing, 来源:北京周报(英文版) 年份:2022
As the spillover effects of the Ukraine crisis continue to spread and world peace and development are facing new challenges, State Councilor and Foreign Minister Wang Yi made a visit to Pakistan, Afghanistan, India and Nepal in March, aimin......
[期刊论文] 作者:Wen Qing, 来源:北京周报(英文版) 年份:2022
[期刊论文] 作者:Wen Qing, 来源:北京周报(英文版) 年份:2022
\'It feels great to be back here and be part of the his-tory,“ Jaqueline Mour?o,a flagbearer for Team Brazil at the Beijing 2022 Winter Olympics opening ceremony, said. Fourteen years ago, she attended the open-ing ceremony of the Olympic ......
[期刊论文] 作者:Wen Qing, 来源:北京周报(英文版) 年份:2022
\'In my capacity as deputy to the National People\'s Congress (NPC),I think my role includes serving as a bridge between people and government. Collecting the opinions from citizens in my community, I make suggestions to the Central Governm......
[期刊论文] 作者:Wen Chen, 来源:光:科学与应用(英文版) 年份:2022
The high degrees of freedom of light, various optical structures and optical materials can be explored and applied to develop optical encryption for securing information. An exciting optical image encryption approach has been proposed based......
[期刊论文] 作者:SUN Xiaohui,WEN Chenglin,WEN Tao, 来源:电子学报(英文版) 年份:2022
In this paper,a novel maximum corren-tropy high-order extended Kalman filter(H-MCEKF)is proposed for a class of nonlinear non-Gaussian systems presented by polynomial form.All high-order polynomial terms in the state model are defined as im......
[期刊论文] 作者:李迎, 来源:石化技术 年份:2022
南海西部油田Wen19-1B3S1生产过程中,出现C环空原油和气体泄漏情况.该类型隐患治理在南海西部油田尚属首次.治理过程中,创造性地解决了C环空下入小直径管深度、小直径管内高密度化学药剂连续泵入等问题...
[期刊论文] 作者:Wen TENG,Taijie YOU, 来源:数学研究及应用 年份:2022
In this paper,we introduce the representation and cohomology theory of Lie-Yamaguti color algebras.Furthermore,we introduce the notions of generalized derivations of Lie-Yamaguti color algebras and present some properties.Finally,we study l......
[期刊论文] 作者:Wen HUANG,Zeng LIAN, 来源:数学学报(英文版) 年份:2022
In this paper,we construct random horseshoes of Anosov systems driven by an equicon-tinuous system based on an ergodic measure with positive entropy....
[期刊论文] 作者:Li Wen,Chian Ri-Cheng, 来源:生殖与发育医学(英文) 年份:2022
Many female fertility preservation-related technologies have recently been developed in response to increasing demand for such treatments. To establish standard practices of female fertility preservation in China, the Chinese Maternal and C......
[期刊论文] 作者:Wen Zuo,Cai-Hong Sun, 来源: 年份:2022
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