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浏览/检索结果: 共11条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 Nonlinear model for assessing seismic resilience in nuclear fuel assemblies 期刊论文  OAI收割 NUCLEAR ENGINEERING AND DESIGN, 2024, 卷号: 424, 页码: 14 作者:  Jin, Yuran;  Tan, Ximing;  Peng, Qing;  Wang, Jun;  Song, Jingru   |  收藏  |  浏览/下载：12/0  |  提交时间：2024/06/27 Fuel assembly  Nonlinear mechanical model  Seismic analysis  Friction and collision   Discrete-Time Direct Model Reference Adaptive Control Application in a High-Precision Inertially Stabilized Platform 期刊论文  OAI收割 Ieee Transactions on Industrial Electronics, 2019, 卷号: 66, 期号: 1, 页码: 358-367 作者:  D.Ke;  S.Cong;  D.J.Kong;  H.H.Shen   |  收藏  |  浏览/下载：38/0  |  提交时间：2020/08/24 Adaptive control,inertially stabilized platform (ISP),model reference,adaptive control,nonlinear friction,turbulence isolation,systems   Double speed loops control for high-precision position tracking of position-controlled actuators involving a harmonic drive reducer 期刊论文  OAI收割 ADVANCES IN MECHANICAL ENGINEERING, 2016, 卷号: 8, 期号: 3 作者:  Cai, Huaxiang;  Huang, Yongmei;  Tang, Tao;  Wang, Qiang;  Du, Junfeng 收藏  |  浏览/下载：33/0  |  提交时间：2016/10/27 Harmonic drive  dead zone  nonlinear friction  double speed loops  extended state observer  turning error   Active disturbance rejection control for PMLM servo system in CNC machining 期刊论文  OAI收割 JOURNAL OF SYSTEMS SCIENCE & COMPLEXITY, 2016, 卷号: 29, 期号: 1, 页码: 74-98 作者:  Guo Jianxin;  Xue Wenchao;  Hu Tao   |  收藏  |  浏览/下载：19/0  |  提交时间：2018/07/30 Active disturbance rejection control  CNC machine  nonlinear friction  parameter selection  servo system   Dynamical mechanism of Levy flight driven by the nonlinear friction 期刊论文  OAI收割 ACTA PHYSICA SINICA, 2016, 卷号: 65, 期号: 16, 页码: 160502 作者:  Liu, J;  Chen, XB;  Xu, DH;  Li, X;  Chen, XS   |  收藏  |  浏览/下载：30/0  |  提交时间：2017/10/13 Dynamical Continuous Time Random Walk  Nonlinear Friction  Levy Flights  Periodic Potential   A constitutive model considering friction property of geomaterials and stability analysis of borehole 会议论文  OAI收割 Wuhan, PEOPLES R CHINA, SEP 06-08, 2015 作者:  Zheng, Ying-ren;  Gao, Hong;  Feng, Xia-ting;  Jiang, Quan;  Zhang, Yong-hui   |  收藏  |  浏览/下载：26/0  |  提交时间：2018/06/05 Friction property  Mechanical element of friction material  Nonlinear constitutive model  Friction strength enhancement   Lubricated friction in Frenkel-Kontorova model between incommensurate surfaces 期刊论文  OAI收割 COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION, 2015, 卷号: 20, 页码: 154-158 作者:  Yang, Yang;  Wang, Cang-Long;  Duan, Wen-Shan;  Chen, Jian-Min;  Yang, Lei   |  收藏  |  浏览/下载：15/0  |  提交时间：2018/07/16 Nonlinear simulation  Lubrication  Frenkel-Kontorova model  Friction   基于电子凸轮的多轴同步关键技术研究 学位论文  OAI收割 工学博士, 中国科学院自动化研究所: 中国科学院大学, 2014 作者:  王慎航 收藏  |  浏览/下载：390/0  |  提交时间：2015/09/02 电子凸轮  无轴传动  电子凸轮曲线  多轴同步控制  非线性摩擦力  飞剪  Electronic cam  Shaftless driving  Electric cam curve  Multi-axis synchronous control  Nonlinear friction  Flying shear system   The analysis for the reason of limit cycle generated by friction in servo system (EI CONFERENCE) 会议论文  OAI收割 2010 International Conference on Computer, Mechatronics, Control and Electronic Engineering, CMCE 2010, August 24, 2010 - August 26, 2010, Changchun, China 作者:  Li M. 收藏  |  浏览/下载：19/0  |  提交时间：2013/03/25 In this paper  limit cycle which results from friction during low-velocity servo system has been discussed. First  the piecewise linearization method has been applied to change nonlinear stribeck model to linear model. Second  with analysis of equilibrium property  it is proved the existence of limit cycle and its certain region. The analysis reveals that it is because of stability of equilibrium repeatedly changing results in the limit cycle during low-velocity state. In addition  it also points that the key point to avoid this phenomenon is to keep robust stability of the close-loop system. 2010 IEEE.   Position servo control of a DC electromotor using a hybrid method based on model reference adaptive control (MRAC) (EI CONFERENCE) 会议论文  OAI收割 2010 International Conference on Computer, Mechatronics, Control and Electronic Engineering, CMCE 2010, August 24, 2010 - August 26, 2010, Changchun, China 作者:   收藏  |  浏览/下载：23/0  |  提交时间：2013/03/25 This paper dealed with position control problems of a DC motor servo system that had nonlinear friction and was subject to parametric uncertainties  external disturbances  etc. In order to overcame those unfavourable factors mentioned above  a model reference adaptive control method was proposed to regulate the important and main speed loop in the positioning system which was designed with three closed control loop  where a compensatory measure was given so as to counterbalance the friction torque disturbances. In addition  the other two close loops were built in adjusting the position and the current of the servo system respectively that aimed to achieve the fast and precise positioning and increase dynamic stiffness against load disturbances. Experimental results illustrate satisfactory performances in steady state error  load capability  high rapidity and so on. 2010 IEEE.