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• 长春光学精密机械与物... [5]
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• OAI收割 [12]

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• 会议论文 [6]
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• 光电子学 [3]
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浏览/检索结果: 共12条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 Achieving Given Precision Within Prescribed Time yet With Guaranteed Transient Behavior via Output Based Event-Triggered Control 期刊论文  OAI收割 IEEE/CAA Journal of Automatica Sinica, 2024, 卷号: 11, 期号: 10, 页码: 2059-2067 作者:  Zeqiang Li;  Yujuan Wang;  Yongduan Song   |  收藏  |  浏览/下载：6/0  |  提交时间：2024/09/03 Adaptive control  nonlinear systems  output feedback  prescribed performance   Adaptive Uniform Performance Control of Strict-Feedback Nonlinear Systems With Time-Varying Control Gain 期刊论文  OAI收割 IEEE/CAA Journal of Automatica Sinica, 2023, 卷号: 10, 期号: 2, 页码: 451-461 作者:  Kai Zhao;  Changyun Wen;  Yongduan Song;  Frank L. Lewis   |  收藏  |  浏览/下载：38/0  |  提交时间：2023/01/16 Adaptive control  enhanced Nussbaum function (ENF)  strict-feedback systems  unified prescribed performance   Experimentally Verified Depth Control of an Unmanned Semi-Submersible Vehicle 期刊论文  OAI收割 IEEE ACCESS, 2019, 卷号: 7, 页码: 94254-94262 作者:  Zhou HY(周焕银);  Liu KZ(刘开周);  Xu HL(徐红丽);  Feng XS(封锡盛)   |  收藏  |  浏览/下载：25/0  |  提交时间：2019/08/29 Depth control performance  feedback control  rule-based supervision  unmanned semi-submersible vehicle   The impact of performance feedback on work engagement - The mediating effect of psychological empowerment 会议论文  OAI收割 Singapore, December 10, 2017 - December 13, 2017 作者:  Xiao, Jie;  Liu, Tong;  Chen, Yiwen   |  收藏  |  浏览/下载：17/0  |  提交时间：2019/01/02 Work Engagement  Performance Feedback  Psychological Empowerment   High gain observer for drag tracking in mars entry longitudinal guidance (EI CONFERENCE) 会议论文  OAI收割 2012 International Conference on Measurement, Instrumentation and Automation, ICMIA 2012, September 15, 2012 - September 16, 2012, Guangzhou, China Wu K.; Cui H.; Ma D.; Cui P. 收藏  |  浏览/下载：27/0  |  提交时间：2013/03/25 An extended high gain state and perturbation observer combined with feedback linearization was applied in drag tracking for Mars entry longitudinal guidance. The observer estimates the drag  the drag rate and the perturbation due to model uncertainty and disturbance for drag tracking. Mars entry simulation was performed to assess the performance of the adaptive guidance law. The results demonstrate that the proposed guidance law is robust to model error  and can recover the ideal performance of the feedback linearization control. Introduction In recent years  the concept of pinpoint landing has been proposed (2013) Trans Tech Publications  Switzerland.   Trajectory tacking control of a quad-rotor based on active disturbance rejection control (EI CONFERENCE) 会议论文  OAI收割 2012 IEEE International Conference on Automation and Logistics, ICAL 2012, August 15, 2012 - August 17, 2012, Zhengzhou, China Gong X.; Tian Y.; Bai Y.; Zhao C. 收藏  |  浏览/下载：30/0  |  提交时间：2013/03/25 The objective of this paper is to deal with a trajectory tracking of a Quad-rotor unmanned aerial vehicle (UAV). For the model uncertainty  the external disturbance and the coupling factor are considered  an active disturbance rejection control (ADRC) algorithm is introduced into the designing procedure. The aircraft dynamic model is proposed in this article  based on which the closed-loop control system is divided into four independent channels with the coupling factor compensated by the extended state observer (ESO). The nonlinear state error feedback (NLSEF) algorithm is designed in each channel to improve the closed-loop dynamics. In this article  the ADRC controller is expressed in the discrete form. And finally  the simulation results show that the proposed control algorithm achieves a favourable tracking performance. 2012 IEEE.   Applying observer feedback in motor control (EI CONFERENCE) 会议论文  OAI收割 3rd International Conference on Measuring Technology and Mechatronics Automation, ICMTMA 2011, January 6, 2011 - January 7, 2011, Shanghai, China Huan Z.-Y.; Li H.-W. 收藏  |  浏览/下载：10/0  |  提交时间：2013/03/25 When the speed is low or the encoder has a low precision  speed measured by backward difference method has obvious truncation error. This will arise ripple in the control system speed response. Speed filtering can decrease the ripple  but it's not good enough  and it also induces lag. A speed feedback method based on all-state observer was introduced to improve the speed feedback performance. Experiment results show that  compared to filtering method  the control system performance is improved.   Nonlinear control design for system with mechanical resonance based on two tracking-differentiators (EI CONFERENCE) 会议论文  OAI收割 2010 IEEE International Conference on Mechatronics and Automation, ICMA 2010, August 4, 2010 - August 7, 2010, Xi'an, China 作者:  Li J.;  Li Y.;  Li Y.;  Li Y. 收藏  |  浏览/下载：20/0  |  提交时间：2013/03/25 A nonlinear control strategy for controlling a motion system with mechanical resonance is presented in this paper. A mathematical model of the servo system is derived according to the parameters of an actual system. By using two Tracking-Differentiators  reference input and system output are tracked and their differential signals are given simultaneously. A nonlinear PD control law in velocity loop is designed based on non-smooth feedback. The simulation results show that the control law is superior remarkably in performance to linear PD control law and the classical PID control law. Tracking-Differentiator resolves the contradiction between rapidity and overshoot of system response. The nonlinear PD control law improves system dynamic performance and intensifies the ability of disturbance rejection. The control design achieved in this paper makes the servo system more robust. 2010 IEEE.   Control of the lasing wavelength by a sampled grating in a complex-coupled DFB laser 期刊论文  OAI收割 semiconductor science and technology, 2009, 卷号: 24, 期号: 1, 页码: art. no. 015004 Wang H; Zhu HL; Chen XF; Kong DH; Wang LS; Zhang W; Liu Y; Zhao LJ; Wang W 收藏  |  浏览/下载：215/52  |  提交时间：2010/03/08 DISTRIBUTED-FEEDBACK LASERS  TUNING RANGE  PERFORMANCE  DESIGN  MODE   Study of microsphere plate photomultiplier tube (EI CONFERENCE) 会议论文  OAI收割 ICO20: Remote Sensing and Infrared Devices and Systems, August 21, 2005 - August 26, 2005, Changchun, China 作者:  Wang X.;  Li Y.;  Li Y.;  Li Y.;  Li Y. 收藏  |  浏览/下载：30/0  |  提交时间：2013/03/25 The photomultiplier tube (PMT) that can work in different wavelength is an important detector device in remote sense technology. Microsphere plate using glass beads 50to 70m in diameter sintered together is the core component of the microsphere plate photomultiplier tube It is a novel two-dimension electron multiplier. The electrons gain for a single plate is about 1017 and do not have the phenomenon of ion-feedback. Furthermore the fabrication process is very easy. In this paper  much interest was put on the microsphere plate photomultiplier tube. Based on the analyses from the theory and the experiment result  we point out the key technology for fabricating PMT is how to obtain glass beads with narrow range in diameter and how to sinter the glass beads with a sufficient pylome. Factors affect the gradating technology and sintering process along with the solution to them is presented. In the last  the structure scheme and technological characteristic for fabricating microsphere plate photomultiplier tube were given. The pulse rising-time of MSP-PMT is below 400ps suitable to the detection of high-speed pulse. As easy to be fabricated and has great advantage over MCP multiplier in the ratio of performance to price  the microsphere plate photomultiplier tube is a promising dim-light detector.