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Design and Analysis of a Metamorphic Quadruped Robot 会议论文
2018 International Conference on Reconfigurable Mechanisms and Robots, ReMAR 2018 - Proceedings
作者:  Xu, K.;  Ma, H.;  Chen, J.;  Zhang, W.;  Deng, H.
收藏  |  浏览/下载：5/0  |  提交时间：2019/12/30
A Novel Single Winding Structure and Closed Loop Control of the Suspension Force Vector of Bearingless Permanent Magnet Synchronous Motors 期刊论文
ENERGIES, 2016, 卷号: 9, 期号: 5
作者:  Zhu, Huangqiu[1];  Yuan, Jianfei[2];  Jv, Jintao[3]
收藏  |  浏览/下载：4/0  |  提交时间：2019/12/24
Topological Analysis of Configuration Evolution and Biological Modeling of a Novel Type of Electric Loading Mechanism with Metamorphic Functions 期刊论文
Journal of Mechanical Engineering, 2014, 卷号: Vol.50
作者:  Pan, Y.a,b;  Cai, G.a;  Wang, H.a;  Gao, D.a;  Dai, J.c,d
收藏  |  浏览/下载：1/0  |  提交时间：2019/11/21
Immersed nanospheres super-lithography for the fabrication of sub-70nm nanoholes with period below 700nm (EI CONFERENCE) 会议论文
2012 12th IEEE International Conference on Nanotechnology, NANO 2012, August 20, 2012 - August 23, 2012, Birmingham, United kingdom
Li S.; Shi L.; Yang Z.; Huang X.; Zhang Z.; Gao F.; Guo Y.; Yu W.; Du J.
收藏  |  浏览/下载：131/0  |  提交时间：2013/03/25
A maskless nano-lithography method by using polystyrene spheres (PSs) self-assembled on silver slab (NSSL) was proposed in [optics express  Vol. 16  No. 19 (2008) 14397]. Following that  to break the limitations in resolution and PSs period of NSSL method  in this paper  we present PSs immersed super-resolution lithography (NSISL) technology by embedding the PSs into appropriate material to improve the efficiency of the surface plasmon excitation. The energy modulating mechanism and the rules of the resolution affected by silver slab were studied by calculating and analysing the energy distribution. The curve of the lithography resolution versus the silver thickness was presented. In order to verify this method  contrast analysis was carried out with NSSL. The results show that the lithography resolution is improved efficiently. Taking a specific configuration with PS diameter of 600nm as an example  the resolution was improved to 54nm from 190nm with Ag thickness of 25nm. Based on the calculation results  we carried out the experiments. Nano holes with dimension of 75nm and period of 600nm were obtained. 2012 IEEE.  
Research on Optimizing the Conductors' Configuration of 1000kV Ultra High Voltage Lines by Adopting Compact Transmission Technology 会议论文
作者:  Lin Chao;  Xu Jian;  Chen Mangmang;  Yuan Chen
收藏  |  浏览/下载：3/0  |  提交时间：2019/12/05
Design of motion adjusting system for space camera based on ultrasonic motor (EI CONFERENCE) 会议论文
International Symposium on Photoelectronic Detection and Imaging 2011: Space Exploration Technologies and Applications, May 24, 2011 - May 26, 2011, Beijing, China
Xu K.; Jin G.; Gu S.; Yan Y.; Sun Z.
收藏  |  浏览/下载：75/0  |  提交时间：2013/03/25
Drift angle is a transverse intersection angle of vector of image motion of the space camera. Adjusting the angle could reduce the influence on image quality. Ultrasonic motor (USM) is a new type of actuator using ultrasonic wave stimulated by piezoelectric ceramics. They have many advantages in comparison with conventional electromagnetic motors. In this paper  some improvement was designed for control system of drift adjusting mechanism. Based on ultrasonic motor T-60 was designed the drift adjusting system  which is composed of the drift adjusting mechanical frame  the ultrasonic motor  the driver of Ultrasonic Motor  the photoelectric encoder and the drift adjusting controller. The TMS320F28335 DSP was adopted as the calculation and control processor  photoelectric encoder was used as sensor of position closed loop system and the voltage driving circuit designed as generator of ultrasonic wave. It was built the mathematic model of drive circuit of the ultrasonic motor T-60 using matlab modules. In order to verify the validity of the drift adjusting system  was introduced the source of the disturbance  and made simulation analysis. It designed the control systems of motor drive for drift adjusting system with the improved PID control. The drift angle adjusting system has such advantages as the small space  simple configuration  high position control precision  fine repeatability  self locking property and low powers. It showed that the system could accomplish the mission of drift angle adjusting excellent. 2011 SPIE.  
Experimental study of ultimate bearing capacity of hinged plates with different configuration hinge joints 会议论文
Guangzhou, China, January 7, 2011 - January 9, 2011
作者:  Tang, Xianxi;  Xu, Yue;  Xu, Zhi;  Li, Leilei
收藏  |  浏览/下载：11/0  |  提交时间：2020/11/15
Purification, crystallization and preliminary crystallographic analysis of avian infectious bronchitis virus nsp3 ADRP domain 期刊论文
2010, 2010
Lei Wei; Cheng Chen; Qi Zhao; Chun Li; Le Cong; Xiaoling Xu; Yanlin Ma; Ming Liao; Yuanyuan Xu; Zihe Rao
收藏  |  浏览/下载：3/0
Crystallization and preliminary crystallographic analysis of /i Gibberella//i zeae/ extracellular lipase 期刊论文
2010, 2010
Yuna Sun; Ming Li; Yan Zhang; Lifang Liu; Ye Liu; Zheng Liu; Xumei Li; Zhiyong Lou
收藏  |  浏览/下载：6/0
Analysis of grading ring configuration for composite insulators on transmission tower 期刊论文
2010, 2010
Zhang Bo; He Jin-liang; Zeng Rong; Zhu Pu-xuan; Zhu Pu-xuan
收藏  |  浏览/下载：4/0

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