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长春光学精密机械与物... [9]
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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.
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浏览/下载:5/0
  |  
提交时间:2019/12/30
Degrees of freedom (mechanics)
Mammals
Multipurpose robots
4 degrees of freedom
Design and analysis
Different terrains
gait transformation strategy
Mechanical structures
metamorphic configuration
Mission requirements
Quadruped Robots
Machine design
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]
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  |  
浏览/下载:4/0
  |  
提交时间:2019/12/24
bearingless permanent magnet synchronous motors (BPMSM)
T-shaped single winding configuration
closed loop control of suspension force vector
finite element analysis (FEA)
simulation and experiment
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
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  |  
浏览/下载:1/0
  |  
提交时间:2019/11/21
Topological Analysis
Biological Modeling
Configuration Evolution
Metamorphic Functions
Loading Mechanism
Electric Loading
Analysis of Configuration
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.
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  |  
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
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浏览/下载:3/0
  |  
提交时间:2019/12/05
ultra high voltage
compact transmission lines
configuration of transmission lines
the interior point method
the finite element analysis method
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.
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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
Bearings (structural)
Building materials
Construction equipment
Fatigue testing
Hinges
Loading
Plates (structural components)
Shear strength
Shear stress
Strain
Stress analysis
Concrete plates
Configuration of hinge joints
Deflection
Fatigue tests
Lateral strain
Ultimate bearing capacity
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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