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学者姓名：黄宴委
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To suppress false data injection (FDI) attacks, a back-stepping (BS) control with the compensator of game approximate dynamic programming (GADP) (BS-GADP) is proposed to securely track trajectory for unmanned surface vehicle (USV). Firstly, a nonlinear parameter-varying (NPV) model with FDI is established for USV. Secondly, approximate dynamic programming (ADP) based virtual guidance law (VGL) is proposed with an equivalent VGL (EVGL) and a compensatory VGL (CVGL) by ADP to reduce the guidance cost. Thirdly, GADP compensator is proposed to improve the BS controller by the uniformly ultimately bounded (UUB) stability conditions, which is derived by the Lyapunov function of dynamic error for the affection of FDI. Moreover, GADP compensator is implemented by zero-sum game value iterative (ZSG-VI) algorithm. Finally, simulations and experiments show that BS-GADP system performance excels in resisting FDI for secure trajectory tracking.
Keyword ：
False data injections False data injections Game approximate dynamic programming Game approximate dynamic programming Trajectory tracking Trajectory tracking USV USV Virtual guidance law Virtual guidance law
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| GB/T 7714 | Huang, Yanwei , Guozhen, Lai . ADP-based secure trajectory tracking for unmanned surface vehicles with false data injections [J]. | OCEAN ENGINEERING , 2025 , 328 . |
| MLA | Huang, Yanwei 等. "ADP-based secure trajectory tracking for unmanned surface vehicles with false data injections" . | OCEAN ENGINEERING 328 (2025) . |
| APA | Huang, Yanwei , Guozhen, Lai . ADP-based secure trajectory tracking for unmanned surface vehicles with false data injections . | OCEAN ENGINEERING , 2025 , 328 . |
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The position of a macrocrack within a circular tube can be determined through the periodic energy distribution variation of a linear non-axisymmetric guided wave. However, to determine the positions of a microcrack within a circular tube is still a difficult job, even for the nonlinear guided wave. Unlike the linear guided wave can detect the axial position through the reflection from a macrocrack, a fatigue crack does not even cause remarkable reflection. This paper investigates the energy concentration degree periodical variation rule of fatigue crack- induced second harmonic non-axisymmetric guided wave within a circular tube. The quantitative relationship between the energy concentration degree and its propagated axial distance is potential to be used to detect a fatigue crack and characterize its axial, circumferential positions. To facilitate the investigation, a specific frequency extracting method was optimized to extract the second harmonic non-axisymmetric guided wave. In addition, an energy concentration degree coefficient was designed to characterize the energy distribution. The fundamental, numerical and experimental work were implemented to verify the studied energy concentration degree periodical variation rule.
Keyword ：
Circular tube Circular tube Energy concentration Energy concentration Fatigue crack Fatigue crack Non-axisymmetric guided wave Non-axisymmetric guided wave Second-harmonic wave Second-harmonic wave
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| GB/T 7714 | Fang, Zhou , Lin, Conglin , Huang, Yanwei . Energy concentration degree periodical variation rule of fatigue crack-induced second harmonic non-axisymmetric guided wave within circular tubes [J]. | NDT & E INTERNATIONAL , 2025 , 151 . |
| MLA | Fang, Zhou 等. "Energy concentration degree periodical variation rule of fatigue crack-induced second harmonic non-axisymmetric guided wave within circular tubes" . | NDT & E INTERNATIONAL 151 (2025) . |
| APA | Fang, Zhou , Lin, Conglin , Huang, Yanwei . Energy concentration degree periodical variation rule of fatigue crack-induced second harmonic non-axisymmetric guided wave within circular tubes . | NDT & E INTERNATIONAL , 2025 , 151 . |
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The adhesive layer between an ultrasonic transducer and a circular tube can generate a nonlinear signal during guided wave excitation and reception, which is called adhesive nonlinearity (AN). It may override the damage-related signals and result in false detection if not adequately evaluated and mitigated. This study investigated the AN of the guided wave excitation model composed of a piezoelectric array in a circular tube structure. The classical shear stress lag model was extended to the circumference pasted piezoelectric array-based nonlinear shear stress lag model to investigate the coupling properties of the AN and to evaluate the AN by comparing it with other nonlinear factors within a circular tube structure. On this basis, the nonlinear shear stress was combined with the normal mode expansion to establish a frequency tuning model for the AN, which allowed the effect of the AN to be minimized by adjusting the half-wavelength of the guided wave to match the length of the actuator. Finite-element analyses and experiments validated the tuning characteristics of the AN mentioned above. This work was used to mitigate the effect of the AN on the nonlinear guided wave during thermal damage evaluation. (c) 2025 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International (CC BY-NC-ND) license (https://creativecommons.org/licenses/by-nc-nd/4.0/).https://doi.org/10.1063/5.0243631
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| GB/T 7714 | Fang, Zhou , Lin, Zuxiong , Huang, Yanwei . Adhesive nonlinearity analysis of longitudinal guided wave using circumference pasted piezoelectric array based nonlinear shear stress lag model [J]. | JOURNAL OF APPLIED PHYSICS , 2025 , 137 (3) . |
| MLA | Fang, Zhou 等. "Adhesive nonlinearity analysis of longitudinal guided wave using circumference pasted piezoelectric array based nonlinear shear stress lag model" . | JOURNAL OF APPLIED PHYSICS 137 . 3 (2025) . |
| APA | Fang, Zhou , Lin, Zuxiong , Huang, Yanwei . Adhesive nonlinearity analysis of longitudinal guided wave using circumference pasted piezoelectric array based nonlinear shear stress lag model . | JOURNAL OF APPLIED PHYSICS , 2025 , 137 (3) . |
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With the application of distributed generators (DGs), microgrids (MGs) have gained much attention. Combined with the distributed communication of networked systems, we investigates the secondary restoration problem in islanded microgrids. The periodic event-triggered (PET) controllers are designed for voltage restoration and frequency restoration with accurate active power allocation, which can naturally avoid Zeno behavior. By means of a common Lyapunov function, a PET protocol is designed that requires only the information of neighbors for event detection. Both event-checking sampling period and event trigger parameter are taken into account to reduce computation and communication redundancy by choosing appropriate parameters. Furthermore, considering the effect of communication delay, sufficient conditions are given to accomplish the secondary control objectives with allowable delays. Switching topologies are considered in an extra discussion. Finally, the effectiveness of the proposed PET control strategies is verified by several MATLAB simulations. © 2024 Elsevier B.V.
Keyword ：
Communication delays Communication delays Distributed secondary control Distributed secondary control Event-triggered control Event-triggered control Islanded microgrid Islanded microgrid Switching topologies Switching topologies
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| GB/T 7714 | Huang, W. , Tang, L. , Chen, S. et al. Distributed periodic event-triggered secondary control for islanded microgrids with switching topologies and communication delays [J]. | Electric Power Systems Research , 2024 , 234 . |
| MLA | Huang, W. et al. "Distributed periodic event-triggered secondary control for islanded microgrids with switching topologies and communication delays" . | Electric Power Systems Research 234 (2024) . |
| APA | Huang, W. , Tang, L. , Chen, S. , Huang, Y. . Distributed periodic event-triggered secondary control for islanded microgrids with switching topologies and communication delays . | Electric Power Systems Research , 2024 , 234 . |
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The secondary control plays an important role in ensuring the power quality of AC island microgrid. Since the traditional time-driven secondary control strategy will cause communication redundancy, the event-triggered mechanism has been widely studied. Under the event-triggered mechanism, the DG performs necessary communication only when its own triggering condition is met. This paper studies the problem of secondary voltage control under periodic event-triggered mechanism, which can restore the output voltage to the reference value. At the same time, considering that each DG has a different sampling and checking period, this is a more general asynchronous communication problem. In the stability analysis, the conditions of event detection period and event parameters to ensure the realization of secondary control are given. Finally, the effectiveness of the mechanism is verified by several simulations. © 2024 IEEE.
Keyword ：
asynchronous communication asynchronous communication distributed secondary control distributed secondary control islanded microgrids islanded microgrids Periodic event-triggered control Periodic event-triggered control
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| GB/T 7714 | Tang, L. , Huang, W. , Chen, S. et al. Distributed Asynchronous Periodic Event-Triggered Voltage Control of Microgrids With Different Checking Periods [未知]. |
| MLA | Tang, L. et al. "Distributed Asynchronous Periodic Event-Triggered Voltage Control of Microgrids With Different Checking Periods" [未知]. |
| APA | Tang, L. , Huang, W. , Chen, S. , Huang, Y. . Distributed Asynchronous Periodic Event-Triggered Voltage Control of Microgrids With Different Checking Periods [未知]. |
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The commonly used traditional cylindroid guided wave modes are not sensitive to a crack with limited circumferential extent within a pipe. The circumferential guide wave will not be affected by the limited circumferential extent of a crack, which can be make up the limitation of the commonly used traditional cylindroid guided wave modes in crack detecting within a pipe. This article studied the spirally propagating circumferential Lamb wave within a pipe, which can determine the axial position of a crack only if the axial extent of the crack is large enough regardless the limited circumferential extent of the crack. To efficiently trigger the spirally propagating circumferential Lamb wave, the effect of the frequency, the circumferential coverage and the axial length of the transducer on the spirally propagating circumferential Lamb wave signals were investigated based on the theoretical model and experiments. Then, the comparison experiments presented the superiority of the proposed spirally propagating circumferential Lamb wave in detecting a crack with limited circumferential extent over the commonly used cylindroid guided wave mode. Finally, the angular interval of two cracks that in the same axial position can be determined through the angular interval of the triggering positions of the spirally propagating circumferential guided wave, which cannot be evaluated through the commonly used traditional cylindroid guided wave modes. © 2024 Institute of Physics Publishing. All rights reserved.
Keyword ：
circumferential extent circumferential extent Circumferential Lamb wave Circumferential Lamb wave crack detection crack detection MPT MPT spirally propagating spirally propagating
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| GB/T 7714 | Lin, Z. , Fang, Z. , Huang, Y. . Effects of transducer's Parameters on the Amplitude Response of Spirally Propagating Circumferential Lamb Wave and Their Application in Defect Detection [未知]. |
| MLA | Lin, Z. et al. "Effects of transducer's Parameters on the Amplitude Response of Spirally Propagating Circumferential Lamb Wave and Their Application in Defect Detection" [未知]. |
| APA | Lin, Z. , Fang, Z. , Huang, Y. . Effects of transducer's Parameters on the Amplitude Response of Spirally Propagating Circumferential Lamb Wave and Their Application in Defect Detection [未知]. |
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Abstract ：
针对四足机器人在非结构化地形中难以稳定运动的问题,提出一种不依赖视觉的地形感知和刚度自适应控制方案.首先,采用卡尔曼滤波技术设计机器人状态观测器,对本体状态进行估计.然后,利用估计的本体状态设计一种地形感知控制器,以抑制机体在起伏环境中的高频抖动,从而提高抗干扰能力.而后结合阻抗理论设计刚度自适应控制器,并求解最优刚度变化律,提高姿态误差的收敛速度,增强机器人的动态稳定性.此外,引用李雅普诺夫理论分析系统稳定性.最后,仿真结果与实物样机实验结果表明,本文提出的方法显著增强了机器人的地形适应性和运动平滑性.
Keyword ：
刚度自适应控制 刚度自适应控制 四足机器人 四足机器人 地形感知 地形感知
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| GB/T 7714 | 黄宴委 , 李奕鋆 , 李东方 . 基于地形和刚度自适应的四足机器人姿态控制 [J]. | 机器人 , 2024 , 46 (6) : 713-724,731 . |
| MLA | 黄宴委 et al. "基于地形和刚度自适应的四足机器人姿态控制" . | 机器人 46 . 6 (2024) : 713-724,731 . |
| APA | 黄宴委 , 李奕鋆 , 李东方 . 基于地形和刚度自适应的四足机器人姿态控制 . | 机器人 , 2024 , 46 (6) , 713-724,731 . |
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针对ACCT-Ⅲ实验箱开展"自动控制原理"实验教学缺乏具体的被控对象的问题,设计以电机为被控对象的实验教学,内容包括建立电机电流和速度数学模型,设计电流、速度闭环PID控制系统,控制系统Matlab仿真,实际伺服电机平台实验等.该实验教学从实物建模、模型仿真、控制器设计到控制系统仿真与实物验证,以项目设计理念为指导,让学生更好地理论与实际相结合,达到知识的内化,提高了教学质量.
Keyword ：
仿真与实物验证 仿真与实物验证 电机实验教学 电机实验教学 自动控制原理 自动控制原理
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| GB/T 7714 | 黄宴委 , 程国扬 , 陈丹 et al. 基于电机的"自动控制原理"实验教学 [J]. | 电气电子教学学报 , 2024 , 46 (4) : 186-191 . |
| MLA | 黄宴委 et al. "基于电机的"自动控制原理"实验教学" . | 电气电子教学学报 46 . 4 (2024) : 186-191 . |
| APA | 黄宴委 , 程国扬 , 陈丹 , 陈少斌 . 基于电机的"自动控制原理"实验教学 . | 电气电子教学学报 , 2024 , 46 (4) , 186-191 . |
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Due to the prevalence of communication link delay in communication networks, the study of communication delays in smart grids and their impact on economic dispatch is of great practical value. In this paper, a Gossip-based economic dispatch protocol perfected under constant time delay is considered, and it is proved by augmented matrix theory and matrix perturbation theory that a sufficiently small control gain parameter always exists to guarantee the convergence over a constant delay in the communication network. Iterative update rules are given when the neighboring generation units do not receive the initial state due to the time delay to ensure the optimal solution can be obtained. Finally, simulation cases are provided to verify the effectiveness and plug-and-play capability of the algorithm, as well as its feasibility for large-scale systems. © 2024 IEEE.
Keyword ：
economic dispatch economic dispatch Gossip Gossip smart grid smart grid time delay time delay
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| GB/T 7714 | Wang, Z. , Huang, W. , Chen, S. et al. Distributed Economic Dispatch Based on Gossip Algorithm in Smart Grid with Time delays [未知]. |
| MLA | Wang, Z. et al. "Distributed Economic Dispatch Based on Gossip Algorithm in Smart Grid with Time delays" [未知]. |
| APA | Wang, Z. , Huang, W. , Chen, S. , Huang, Y. . Distributed Economic Dispatch Based on Gossip Algorithm in Smart Grid with Time delays [未知]. |
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With the application of distributed generators (DGs), microgrids (MGs) have gained much attention. Combined with the distributed communication of networked systems, we investigates the secondary restoration problem in islanded microgrids. The periodic event -triggered (PET) controllers are designed for voltage restoration and frequency restoration with accurate active power allocation, which can naturally avoid Zeno behavior. By means of a common Lyapunov function, a PET protocol is designed that requires only the information of neighbors for event detection. Both event -checking sampling period and event trigger parameter are taken into account to reduce computation and communication redundancy by choosing appropriate parameters. Furthermore, considering the effect of communication delay, sufficient conditions are given to accomplish the secondary control objectives with allowable delays. Switching topologies are considered in an extra discussion. Finally, the effectiveness of the proposed PET control strategies is verified by several MATLAB simulations.
Keyword ：
Communication delays Communication delays Distributed secondary control Distributed secondary control Event-triggered control Event-triggered control Islanded microgrid Islanded microgrid Switching topologies Switching topologies
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| GB/T 7714 | Huang, Wenchao , Tang, Liang , Chen, Shaobin et al. Distributed periodic event-triggered secondary control for islanded microgrids with switching topologies and communication delays [J]. | ELECTRIC POWER SYSTEMS RESEARCH , 2024 , 234 . |
| MLA | Huang, Wenchao et al. "Distributed periodic event-triggered secondary control for islanded microgrids with switching topologies and communication delays" . | ELECTRIC POWER SYSTEMS RESEARCH 234 (2024) . |
| APA | Huang, Wenchao , Tang, Liang , Chen, Shaobin , Huang, Yanwei . Distributed periodic event-triggered secondary control for islanded microgrids with switching topologies and communication delays . | ELECTRIC POWER SYSTEMS RESEARCH , 2024 , 234 . |
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