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CNKI为你找到相关结果

Numerical Simulation Based on Magnetoacoustic Tomograp...  CNKI文献

Current injection magnetic-acoustic tomography combines the high resolution with conductivity tomography and high contrast with ultrasound imaging,which is a safe and non-invasive electrical impedanc...

Hui XIA Guoqiang LIU... Proceedings of 2017 2nd International Seminar on Applie... 2017-12-30 国际会议

关键词: In / Numerical / Simulation / Based

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The Forward and Inverse Problem Based on Magneto-Acous...  CNKI文献

The Magneto-acoustic Tomography with Current Injection(MAT-CI) is a new biological electrical impedance imaging technique that combines Electrical Impedance Tomography(EIT) with Ultrasonic Imaging(UI...

Hui Xia Guoqiang Liu... Proceedings of The 11th International Conference on Bio... 2017-05-21 国际会议

关键词: Magneto-Acoustic / Tomography / With / Current

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Sliding Mode Control Of Pitch Channel Nonlinear Model ...  CNKI文献

A kind of Sliding mode controller is designed for a kind of pitch channel model of hypersonic aircrafts. The main task is to realize attack angle tracking of hypersonic aircrafts. Compared with tradi...

Guangbin Wu Guoqiang Liang... Proceedings of 2016 2nd International Conference on Ele... 2016-08-13 国际会议

关键词: Backstepping / Stability / Lyapunov / function

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A kind of differential sliding mode controller design ...  CNKI文献

A kind of differential type sliding mode control law was proposed to improve the robustness of a kind of simplified pitch channel model of hypersonic aircraft which is widely discussed recently. The ...

Guoqiang Liang Guangbin Wu Proceedings of 2016 4th International Conference on Mac... 2016-01-23 国际会议

关键词: hypersonic / aircraft / stability / control

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Increasing damping ratio of high speed aircraft by ter...  CNKI文献

A special method to increase damping ration of a kind of high speed vehicle was proposed by constructing a kind of terminal sliding mode surface. As the increase of damping ratio of flying system, th...

Guangbin Wu Guoqiang Liang Proceedings of 2016 4th International Conference on Mac... 2016-01-23 国际会议

关键词: hypersonic / aircraft / stability / control

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Terminal Sliding Mode Control of Airship Pitch Channel...  CNKI文献

To make the response of airship system to be quicker, a kind of terminal sliding mode surface was constructed which can make the pitch angle trace the desired value in a finite time. Also a Lyapunov ...

Guoqiang Liang Yuliang Chen... Proceedings of 2016 4th International Conference on Mac... 2016-01-23 国际会议

关键词: airship / pitch / channel / adaptive

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The open loop response analysis of duck wing with trus...  CNKI文献

A kind of virtual flying condition is assumed that the trust and resistance is the same that can keep the force balance during the flying process of high speed aircraft. The main function of this vir...

Haibo Wang Aijun Zhou... Proceedings of 2015 3rd International Conference on Mac... 2015-11-28 国际会议

关键词: open / loop / stability / resistance

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Research on parameters identification of system with u...  CNKI文献

In order to illustrate the complexity of system parameter identification, this paper takes a simple one order system as an example, which contains an unknown parameter and an uncertain term. It adopt...

Guangbin Wu Guoqiang Liang... Proceedings of 2016 4th International Conference on Mac... 2016-01-23 国际会议

关键词: adaptive / control / parameter / identification

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Integral Sliding Mode Control of Airship Pitch Channel...  CNKI文献

A kind of integral type sliding mode control law was designed for a kind of simplified pitch channel model of hypersonic aircraft which is widely discussed recently. The advantage of sliding mode con...

Aijun Zhou Junbo Chu... Proceedings of 2016 4th International Conference on Mac... 2016-01-23 国际会议

关键词: hypersonic / aircraft / stability / control

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Research on constant attack angle flying of hypersonic...  CNKI文献

A kind of imaginary virtual flying with numerical simulation is used to testify the rightness of hypersonic aircraft with air dynamic coefficients. Since the attack angle is the most important factor...

Guoqiang Liang Jianhong Shi Proceedings of 2015 3rd International Conference on Mac... 2015-11-28 国际会议

关键词: hypersonic / aircraft / stability / control

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Adaptive Sliding Mode Control of Airship Pitch Channel...  CNKI文献

On the basic of nonlinear model of pitching channel of airship, assuming the condition that the information of the unknown portion of the assumed airship model satisfy the norm-bounded condition and ...

Guoqiang Liang Guangbin Wu... Proceedings of 2015 3rd International Conference on Mec... 2015-08-15 国际会议

关键词: airship / pitch / channel / adaptive

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Modeling And Robust Sliding Mode Control Of A Kind Air...  CNKI文献

The airship modeling is the basic of the airship control problem, a class of simplified nonlinear model of pitching channel is studied in this paper. On the base of all above mentioned, the speed con...

Guangbin Wu Guoqiang Liang... Proceedings of 2015 3rd International Conference on Mec... 2015-08-15 国际会议

关键词: airship / pitch / channel / adaptive

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Research on free flying of high speed aircraft without...  CNKI文献

The research is based on a kind of pitch channel hypersonic aircraft model built is released by USA air force, adopting the digital simulation to verify the basic free flight state preliminarily. The...

Aijun Zhou Haibo Wang... Proceedings of 2015 3rd International Conference on Mac... 2015-11-28 国际会议

关键词: aircraft / stability / control / free

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The research of open loop characteristics of lifting w...  CNKI文献

The open loop response of lift wing is researched based on a kind of high speed vehicle model which is released by America air force research center. Since the speed of aircraft is too high, so its o...

Guoqiang Liang Di Liu Proceedings of 2015 3rd International Conference on Mac... 2015-11-28 国际会议

关键词: lift / wing / open / loop

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Modeling And PID Control Of A Kind Of Airship Vehicle ...  CNKI文献

The airship modeling is the basic of the airship control problem. Based on airship modeling of pitching channel of airship and its nonlinear model, an traditional PID attitude angle controller of air...

Guangbin Wu Guoqiang Liang... Proceedings of 2015 3rd International Conference on Mec... 2015-08-15 国际会议

关键词: airship / pitch / channel / adaptive

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Research On A Kind Of Improved Integral Adaptive Contr...  CNKI文献

In order to achieve adaptive control and single parameter identification of one order system, an ordinary adaptive control method is used in this paper. By improving integral control, the system para...

Guoqiang Liang Guangbin Wu... Proceedings of 2015 3rd International Conference on Mec... 2015-08-15 国际会议

关键词: adaptive / control / parameter / identification

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An Efficient Dynamic Route Optimization Algorithm for ...  CNKI文献

In mobile Ad hoc networks, topology changes caused by mobile nodes may lead to the occurrence of link failure and redundant links. The link failure issue can be solved by insert relay nodes, but the ...

Liang Huang Fubao Wang... 2011 2nd International Conference on Challenges in Envi... 2011-12-14 国际会议

关键词: On / demand / mobile / node

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Design of a Ku-Band Broadband U-Slot Microstrip Antenn...  CNKI文献

In this paper,a U-slot rectangular microstrip patch antenna is designed in order to overcome the narrowband characteristic and gain broader band.The antenna has dual-band characteristics,so it has wi...

Qiong Wu Liang Shi... Proceedings of 2013 IEEE International Conference on Mi... 2013-08-27 国际会议

关键词: Ku-band / broadband / U-slot / microstrip

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Research on high-precision waveguide slot array  CNKI文献

W-band waveguide slot antenna for machining with high demands,the traditional milling is difficult to meet the accuracy requirements.Laser etching metal diaphragm has a high degree of accuracy in the...

Liang Shi GuoQiang Zhao... Proceedings of 2013 IEEE International Conference on Mi... 2013-08-27 国际会议

关键词: W-band / waveguide / slot / array

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Research on Restricted Nussbaum Gain Control Method  CNKI文献

High gain is always good for the dynamic performance of a control system such as it can improve the quickness of the system and it can make the steady state error as small as possible, so it is liked...

Junwei Lei Hongchao Zhao... Proceedings of the 2012 International Conference on Cyb... 2012-09-21 国际会议

关键词: Nussbaum / gain / · / Unknown

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