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Control Technology of Ground-Based Laser Communication Servo Turntable via a Novel Digital Sliding Mode Controller 期刊论文
Applied Sciences-Basel, 2019, 卷号: 9, 期号: 19, 页码: 19
作者:  J.Q.Zhang;  Y.K.Liu;  S.J.Gao;  C.S.Han
收藏  |  浏览/下载：2/0  |  提交时间：2020/08/24
Speed control for K-mirror of 2-m telescope using improved active disturbance rejection controller 期刊论文
Measurement, 2018, 卷号: 129, 页码: 245-255
作者:  Deng, Y. T.;  Xia, P. P.;  Li, H. W.;  Wang, X. J.
收藏  |  浏览/下载：5/0  |  提交时间：2019/09/17
Research on satellite platform vibration compensation method based on liquid crystal steering system (EI CONFERENCE) 会议论文
2011 SSITE International Conference on Future Material Research and Industry Application, FMRIA 2011, December 1, 2011 - December 2, 2011, Macau, China
Li X.; Han C.; Wen M.; Zhao Q.; Jiang X.
收藏  |  浏览/下载：9/0  |  提交时间：2013/03/25
Research on satellite platform vibration compensation technology for space optical communication (EI CONFERENCE) 会议论文
2012 International Meeting on Opto-Electronics Engineering and Materials Research, OEMR 2012, July 27, 2012 - July 29, 2012, Shenyang, Liaoning, China
Han C.; Li X.
收藏  |  浏览/下载：15/0  |  提交时间：2013/03/25
The piezo-electric steering control system is used to compensate the vibration of satellite platform. The mathematical model of piezo-electric steering system is built. The adaptive controller based on improved LMS filter algorithm is designed according to this system characteristic. The adaptive delay filter is designed to solve slow convergence speed problem of traditional algorithm. Meanwhile  the adaptive delay filter can also compensate phase delay of control circuit. The adaptive deviation filter is introduced and it effectively compensates the vibration deviation which is low frequency and high amplitude. The experimental results show that the remained errors are rad  which meets space optical communication requirement and proves that this control scheme is valid and feasible. (2012) Trans Tech Publications  Switzerland.  
Trajectory tracking control for mobile robot based on the fuzzy sliding mode (EI CONFERENCE) 会议论文
10th World Congress on Intelligent Control and Automation, WCICA 2012, July 6, 2012 - July 8, 2012, Beijing, China
Xie M.-J.; Li L.-T.; Wang Z.-Q.
收藏  |  浏览/下载：22/0  |  提交时间：2013/03/25
Linear auto disturbance rejection controller for vector-controlled PMSM drive system (EI CONFERENCE) 会议论文
2011 International Conference on Transportation, Mechanical, and Electrical Engineering, TMEE 2011, December 16, 2011 - December 18, 2011, Changchun, China
Du L.; Zhang K.; Jin G.
收藏  |  浏览/下载：24/0  |  提交时间：2013/03/25
A high-performance robust controller of permanent-magnet synchronous motor (PMSM) drive with cascade linear auto disturbance rejection controller (LADRC) is proposed. The robust controller combines the simplicity of linear controller and the merit of the auto disturbance rejection controller (ADRC). First  a systematic mathematical model is derived according to the required specifications for the PMSM drive system. Then  for the model  this paper designs the controller that includes three first-order LADRCs. The controller does not rely on the accurate mathematical model of motor. The controller can estimate and compensate the disturbances that include load disturbance and systematic parameters changes by the linear extended state observer (LESO). Simulation results show that compared with conventional PI controller  the proposed approach has strong robustness. In the same load disturbance  the speed fluctuation of the LADRCs accounts for 30% of PI controller. 2011 IEEE.  
Combustion characteristics of test and reserch on electronic control fuel injection system of cars GDI engine (EI CONFERENCE) 会议论文
2011 2nd International Conference on Mechanic Automation and Control Engineering, MACE 2011, July 15, 2011 - July 17, 2011, Inner Mongolia, China
Zhao X.; Xiong W.
收藏  |  浏览/下载：17/0  |  提交时间：2013/03/25
High precision test method for dynamic imaging of space camera (EI CONFERENCE) 会议论文
2010 IEEE International Conference on Advanced Computer Control, ICACC 2010, March 27, 2010 - March 29, 2010, 445 Hoes Lane - P.O.Box 1331, Piscataway, NJ 08855-1331, United States
Zheng G.-F.; Ma S.-F.; Sun J.-G.; Jin L.-X.; Zhang K.
收藏  |  浏览/下载：19/0  |  提交时间：2013/03/25
A test method for dynamic imaging of space TDICCD (Time Delay and Integration Charge Coupled Devices) camera was presented in this paper. The test method adopted the PLL (Phase Locked Loop) technology and CMAC (Cerebella Model Articulation Controller) friction compensation as control strategy. Furthermore  According to this method  a test system for dynamic imaging of space TDICCD camera was designed and implemented. The system simulated the movement of the ground objects relative to the space aerocraft  to validate the capability of image speed match and the dynamic imaging quality of TDICCD camera. The design adopted a precision turntable and a drift turntable to simulate the movement around the earth and the drift motion in different latitude due to the rotation of earth  of the aerocraft. The turntables were drived by permanent magnet torque motor which was powered by PWM (Pulse Width Modulation). The system adopted DSP (Digital Signal Processor) as the control core and reached a very high performance. The experimental results showed that the steady speed error was better than 0.01 % and the instantaneous speed error reached 0.0267%. The precision of the test system designed met the requirement for dynamic imaging of TDICCD camera. 2010 IEEE.  
Feed-forward control to stabilize optical axis based on accelerometer (EI CONFERENCE) 会议论文
2010 International Conference on Computer, Mechatronics, Control and Electronic Engineering, CMCE 2010, August 24, 2010 - August 26, 2010, Changchun, China
Wenfeng B.; Juan C.; Hu W.
收藏  |  浏览/下载：15/0  |  提交时间：2013/03/25
Earth elevation map production and high resolution sensing camera imaging analysis (EI CONFERENCE) 会议论文
Optoelectronic Imaging and Multimedia Technology, October 18, 2010 - October 20, 2010, Beijing, China
Yang X.; Jin G.; Jiang L.; Dai L.; Xu K.
收藏  |  浏览/下载：27/0  |  提交时间：2013/03/25
The Earth's digital elevation which impacts space camera imaging has prepared and imaging has analysed. Based on matching error that TDI CCD integral series request of the speed of image motion  statistical experimental methods-Monte Carlo method is used to calculate the distribution histogram of Earth's elevation in image motion compensated model which includes satellite attitude changes  orbital angular rate changes  latitude  longitude and the orbital inclination changes. And then  elevation information of the earth's surface from SRTM is read. Earth elevation map which produced for aerospace electronic cameras is compressed and spliced. It can get elevation data from flash according to the shooting point of latitude and longitude. If elevation data between two data  the ways of searching data uses linear interpolation. Linear interpolation can better meet the rugged mountains and hills changing requests. At last  the deviant framework and camera controller are used to test the character of deviant angle errors  TDI CCD camera simulation system with the material point corresponding to imaging point model is used to analyze the imaging's MTF and mutual correlation similarity measure  simulation system use adding cumulation which TDI CCD imaging exceeded the corresponding pixel horizontal and vertical offset to simulate camera imaging when stability of satellite attitude changes. This process is practicality. It can effectively control the camera memory space  and meet a very good precision TDI CCD camera in the request matches the speed of image motion and imaging. 2010 SPIE.  

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