中国科学院机构知识库网格
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Electrophysiological indexes of option characteristic processing 期刊论文  OAI收割
PSYCHOPHYSIOLOGY, 2019, 卷号: 56, 期号: 10, 页码: 11
作者:  
Lin, Yongling;  Duan, Lian;  Xu, Pengfei;  Li, Xinying;  Gu, Ruolei
  |  收藏  |  浏览/下载:80/0  |  提交时间:2019/10/31
Structure buckling load interval analysis of supercavitating projectile (EI CONFERENCE) 会议论文  OAI收割
2011 9th International Conference on Reliability, Maintainability and Safety: Safety First, Reliability Primary, ICRMS'2011, June 12, 2011 - June 15, 2011, Guiyang, China
作者:  
Zhou L.
收藏  |  浏览/下载:26/0  |  提交时间:2013/03/25
As a result of supercavitating projectiles with high underwater velocity  their structures undergo high longitudinal force. It is necessary to perform structure buckling load interval analysis because the uncertainty of structural own parameters should be considered. Critical buckling load of supercavitating projectiles is calculated by Galerkin method. The partial matrixes of critical buckling load implicit function to each uncertainty variable are deduced  and the interval of structure critical buckling load is calculated by interval analysis and convex model methods. Numerical results show that the nominal value  lower and upper bounds of critical buckling load increase with the increment of the ratio of base diameter to cavitator diameter. And the uncertainty degree of basic variables should be controlled as far as possible in the project for high reliability. 2011 IEEE.  
Study on navigation control method for CyberCar based on machine vision (EI CONFERENCE) 会议论文  OAI收割
2007 IEEE International Conference on Robotics and Biomimetics, ROBIO, December 15, 2007 - December 18, 2007, Yalong Bay, Sanya, China
Zhang R.-H.; Wang R.-B.; You F.; Jia H.-G.; Chen T.
收藏  |  浏览/下载:28/0  |  提交时间:2013/03/25
The guiding principle and composition of CyberCar based on machine vision was introduced. Applying IM sequence signals as input response signals and least squares method to establish the dynamic equation for CyberCar steering system by system identification experiments firstly  and then combined with the preview kinematics model and two-degree steering dynamic model of vehicle. Therefore  it can trace the path steadily and reliably. 2008 IEEE.  the steering control mathematics model based on preview kinematics for CyberCar was established. And then the switching hyper plane is designed by applying the optimal control theory  during the change of the curve curvature radius is little  the curve tracking of the intelligent vehicle is carried out by adopting sliding variable structure controller. Aim at the parameter uncertainty of tire  a vehicle steering system uncertain model was founded and analyzed. A H optimal controller is designed with the method of H control theory to solve the problem about model uncertainty. The simulation and experiment results show that the controller designed by the proposed method has good robustness and adaptability  
Dynamics simulation on control technology for 4WS vehicle steering performance (EI CONFERENCE) 会议论文  OAI收割
ISECS International Colloquium on Computing, Communication, Control, and Management, CCCM 2008, August 3, 2008 - August 4, 2008, Guangzhou, China
Rong-Hui Z.; Hong-Guang J.; Tao C.
收藏  |  浏览/下载:29/0  |  提交时间:2013/03/25
By combining visual preview kinematics  dynamic equation of steering system and 2-DOF steering dynamistic model of 4WS  it can easily attenuate the change and uncertainty of model. 2008 IEEE.  we establish the two degree of freedom model of four-wheel steering vehicle. And then the switching hyper plane is designed by applying the optimal control theory. During the change of parameter is little  4WS steering performance is carried out by adopting sliding variable structure controller. To improve the steering performance of 4WS  especially state variables convergent velocity  Kalman filter for 4WS is designed. And the robust optimal controller is designed for model and parameter is uncertainty. The simulation results show that the controller designed by the proposed method has good robustness  
Identification and categorization of climate change risks 期刊论文  OAI收割
CHINESE GEOGRAPHICAL SCIENCE, 2008, 卷号: 18, 期号: 3, 页码: 268-275
作者:  
Dai Erfu;  Yin Yunhe;  Wu ShaoHong(吴绍洪)
收藏  |  浏览/下载:16/0  |  提交时间:2011/06/10
Identification and categorization of climate change risks SCI/SSCI论文  OAI收割
2008
Zhang Y. H.; Wu S. H.; Dai E. F.; Liu D. W.; Yin Y. H.
收藏  |  浏览/下载:28/0  |  提交时间:2012/06/08
Robust optimal control technology for four-wheel steering vehicle (EI CONFERENCE) 会议论文  OAI收割
2007 IEEE International Conference on Mechatronics and Automation, ICMA 2007, August 5, 2007 - August 8, 2007, Harbin, China
Zhang R.-H.; Cheng G.-Y.; Wang G.-Q.; Jia H.-G.; Chen T.
收藏  |  浏览/下载:25/0  |  提交时间:2013/03/25