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Integral augmented nonlinear differentiator for noisy signals 会议论文
2017 Asian Control Conference, ASCC 2017
作者:  Su, Z.;  Wang, H.;  Li, N.;  Yu, Y.;  Wu, J.
收藏  |  浏览/下载：10/0  |  提交时间：2019/12/30
Simulation Analysis based Performance Comparison for Vertical Axis Wind Turbines 会议论文
2016 INTERNATIONAL CONFERENCE ON ADVANCED MECHATRONIC SYSTEMS (ICAMECHS), 2016-01-01
作者:  Song, Lei;  Liu, Hong-Zhao;  Yang, Zong-Xiao;  Dong, Guan-Qiang
收藏  |  浏览/下载：3/0  |  提交时间：2019/12/20
The design of space scanning mirror control system based on optimal tracking controller (EI CONFERENCE) 会议论文
2012 International Conference on Electrical Insulating Materials and Electrical Engineering, EIMEE 2012, May 25, 2012 - May 27, 2012, Shenyang, Liaoning, China
Sui W.; Song K.; Zhang P.
收藏  |  浏览/下载：14/0  |  提交时间：2013/03/25
Study on time registration method for photoelectric theodolite data fusion (EI CONFERENCE) 会议论文
10th World Congress on Intelligent Control and Automation, WCICA 2012, July 6, 2012 - July 8, 2012, Beijing, China
Yang H.-T.; Gao H.-B.
收藏  |  浏览/下载：16/0  |  提交时间：2013/03/25
A feeding system control of NC honing machines based on fuzzy neural network 会议论文
Xi'an, China, December 9, 2011 - December 11, 2011
作者:  Zhao, Jiali;  Sun, Zhenju;  Yang, Ningdu
收藏  |  浏览/下载：5/0  |  提交时间：2020/11/15
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：74/0  |  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.  
A fuzzy control method based on information integration for double inverted pendulum (EI CONFERENCE) 会议论文
2011 2nd International Conference on Digital Manufacturing and Automation, ICDMA 2011, August 5, 2011 - August 7, 2011, Zhangjiajie, Hunan, China
Fan Y.; Sang Y.; Liu B.
收藏  |  浏览/下载：53/0  |  提交时间：2013/03/25
This article proposes a new fuzzy controller based on information integration. The mathematical model of Linear double inverted pendulum has been studied and estabLished with dynamics analytical method and LQR theory is used to design the optimal Linear inverted pendulum controller  then  the integration technology is used to design the variable parameters self-tuning fuzzy controller. Thereby  the fuzzy controller input variable dimension and the number of fuzzy control rules have been extremely reduced. Two controllers are designed for inverted pendulum system control and the comparison simulation experiments have been done. The results show that the controllers can both reaLize good control  and the fuzzy controller has higher precision  faster response  better stabiLity and robustness. 2011 IEEE.  
Double-swing method used for polishing off-axis aspherical mirrors (EI CONFERENCE) 会议论文
4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, November 19, 2008 - November 21, 2008, Chengdu, China
Wang P.; Li J.-F.; Xuan B.; Chen X.-P.; Song S.-M.; Chen Y.; Xie J.-J.
收藏  |  浏览/下载：28/0  |  提交时间：2013/03/25
The analysis and design of low velocity estimation based on observer (EI CONFERENCE) 会议论文
2009 IEEE International Conference on Automation and Logistics, ICAL 2009, August 5, 2009 - August 7, 2009, Shenyang, China
Song Y.; Gao H.; Zhang S.; Tian Y.; Wang D.
收藏  |  浏览/下载：27/0  |  提交时间：2013/03/25
Low velocity servo system needs precision velocity estimation. An observer for low velocity estimation was proposed in this paper. First  the source of low velocity estimation errors and the shortcomings of the single period difference were analyzed. The relationship between the estimation accuracy and estimator's frequency characteristics was concluded. Then  the structure of the observer was proposed. Frequency characteristics were used to design the compensator which can stabilize the observer. The stability of the observer was also discussed. At last  the observer's estimation accuracy was evaluated through a quantitative comparison. The results of simulation and experiment have shown that the quantized error in velocity estimation decreases dramatically when a velocity observer is used. Compared with some commonly-used estimators  the phase lag accompanying the observer is much less. 2009 IEEE.  
A performance comparison of the ad hoc network protocols 会议论文
作者:  Feng, Qian;  Cai, Zhongmin;  Yang, Jin;  Hu, Xunchao
收藏  |  浏览/下载：3/0  |  提交时间：2019/12/18

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