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On the size-dependent bending and buckling of the partially covered laminated microplate 期刊论文
Engineering with Computers, 2022, 页码: 26
作者:  G. Y. Fu;  Z. J. Zhang;  Y. L. Ma;  H. Y. Zheng;  Q. J. Guo and X. Y. Zhuang
收藏  |  浏览/下载:0/0  |  提交时间:2023/06/14
Accurate measurement of deflection of primary and secondary mirrors of large-aperture telescope 期刊论文
Guangxue Jingmi Gongcheng/Optics and Precision Engineering, 2022, 卷号: 30, 期号: 23, 页码: 3013-3020
作者:  B. Chen;  J. Wang and Y. Zhang
收藏  |  浏览/下载:0/0  |  提交时间:2023/06/14
Inverse Solution Error Analysis and Correction of Beam Steering System Based on Risley Prisms 期刊论文
Applied Sciences-Basel, 2022, 卷号: 12, 期号: 4, 页码: 16
作者:  Y. N. Song;  S. J. Gao;  J. B. Wu;  S. F. Wang and L. Huo
收藏  |  浏览/下载:0/0  |  提交时间:2023/06/14
Design of support structure for deep space detection remote sensing camera 期刊论文
Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering, 2018, 卷号: 47, 期号: 6
作者:  Ma, Cong;  Li, Wei;  Zhang, Yuanqing;  Li, Xiaobo;  An, Mingxin
收藏  |  浏览/下载:5/0  |  提交时间:2019/09/17
无人机飞行控制系统若干关键技术研究 学位论文
博士: 中国科学院大学, 2014
段镇
收藏  |  浏览/下载:274/0  |  提交时间:2014/08/21
TMT三镜系统Tilt Mechanism组件技术研究 学位论文
博士: 中国科学院大学, 2014
赵宏超
收藏  |  浏览/下载:30/0  |  提交时间:2014/08/21
Structure performance analysis for TMT tertiary mirror system 会议论文
7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, AOMATT 2014, April 26, 2014 - April 29, 2014, Harbin, China
Su Y.-Q.; Zhang J.-X.; Yang F.; Wang H.; Chen B.-G.
收藏  |  浏览/下载:21/0  |  提交时间:2015/04/27
The aircraft autopilot design of parameters changing in a wide range (EI CONFERENCE) 会议论文
2011 International Conference on Electric Information and Control Engineering, ICEICE 2011, April 15, 2011 - April 17, 2011, Wuhan, China
Zhen D.; Yue Z.
收藏  |  浏览/下载:19/0  |  提交时间:2013/03/25
Autopilot is an important part of aircraft  Under the action of the disturbance torque  for the flight parameters of aircraft Changing in a wide range  the range was about 16km  on the basic of analyzing the typical trajectory  the max height was about 5100m  the trajectory of feature points were selected  the deviation of lateral was about 12m  taking pitch control loop for example  the maximum angle of attack was about 3.6  a sub- PID autopilot was designed using classical control theory  the maximum elevator deflection was less than 5  using single-mode Transient suppression method  the maximum aileron deflection was less than 2  the overload due to control surface transition deflection was avoided when control parameters changing  the maximum roll was less than 5  the verification was done by non-linear simulation. The result showed that: the phase margin of autopilot was greater than 30  the response of overload can accurately track the given overload instruction. An autopilot design method of aircraft of parameter changes in a wide range was provided. 2011 IEEE.  the bandwidth was more than 14rad / s  the settling time was less than 0.7s  the maximum overshoot was 23.3%  
Control method research on wide flight envelope aerocraft (EI CONFERENCE) 会议论文
2nd Annual Conference on Electrical and Control Engineering, ICECE 2011, September 16, 2011 - September 18, 2011, Yichang, China
Duan Z.
收藏  |  浏览/下载:18/0  |  提交时间:2013/03/25
The flying qualities of aerocraft was directly effected by the autopilot  for the wide flight envelope aerocraft  on the basic of analyzing the typical trajectory  the three loop autopilots of roll stability  pitch and yaw were designed  using single-mode Transient suppression method  the overload due to control surface transition deflection was avoided when control parameters changing  the verification was done by non-linear simulation. The result showed that: Under the action of the disturbance torque  the maximum roll was less than 5  the range of the aerocraft was from 13.5km to 22.4km  the max height was about 5100m  the max deviation of lateral was about 42m  the maximum elevator deflection was less than 6.5 the control law was applicable within the effective range. An autopilot design method of wide flight envelope aerocraft was provided. 2011 IEEE.  


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