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| 1 | Event-triggered encirclement control of multi-agent systems with bearing rigidity显示文摘In recent years, the problem of multi-agent encirclement has attained much attention and was extensively studied. However, few work consider the factor that the on-board calculation as well as the communication capacity in the multi-agent system is limited. We investigate the encirclement control by employing the newly developed bearing rigidity theory and event-triggered mechanism. Firstly, in order to reduce the onboard loads,the event-triggered mechanism is considered in the framework and further an event-triggered control law based on bearing rigidity is proposed. The input-to-state stability(ISS) of networked agents is also analyzed by using the Lyapunov method and the cyclic-small-gain theory. In addition, the lower bound for the inter-event times is provided. Finally, to verify the efficiency and feasibility of the proposed encirclement control law, numerical experiments are investigated. | Yangguang YU Zhiwen ZENG Zhongkui LI Xiangke WANG Lincheng SHEN | 2017 | Science China(Information Sciences)2017，60，11： | 6 |
| 2 | Self-Mixing Laser DioDe Velocimetry:Application to Vibration and Velocity Measurement显示文摘 | Lorenzo Scalise Yu Yangguang Guido Giuliani | 2004 | IEEE Transactions on Instromentation and Measurement2004，53，1： | 1 |
| 3 | AMD3100 Mobilizes Endothelial Progenitor Cells in Mice, But Inhibits Its Biological Functions by Blocking an Autocrine/Paracrine Regulatory Loop of Stromal Cell Derived Factor-1 In Vitro显示文摘 | Yangguang Yin Lan Huang Xiaohui Zhao Yuqiang Fang Shiyong Yu Jinghong Zhao Bing Cui | 2007 | Journal of Cardiovascular Pharmacology2007，，1： | 1 |
| 4 | Pt nanodendrites with (111) crystalline facet as an efficient, stable and pH-universal catalyst for electrochemical hydrogen production显示文摘High-performance nanomaterial catalysts for hydrogen evolution reaction via electrochemical water splitting are significant to the development of hydrogen energy.In this work,we report a robust and highly active catalyst fabricated through direct electrochemical deposition of Pt nanodendrites at the surface of activated carbon(Pt NDs).Owing to the large elect roc he mically active area and the exposed(111) facet of Pt,Pt NDs exhibits outstanding activity towards hydrogen evolution reaction with a low requiring overpotential of 0.027 V at 10 mA/cm2 and Tafel slope of ≈22 mV/dec in acidic media.In addition,the hydrogen yield of Pt NDs is 30%-45% larger than that of commercial Pt/C at the same Pt loadings.Moreover,Pt NDs exhibits excellent lo ng-term durability whose hydrogen production efficiency remains unchanged after six-hour hydrogen production,while the efficiency of commercial Pt/C catalyst decayed 9% under the same circumstance.Considering the superiority of catalytic activity and stability,this Pt NDs present great potentiality towards practical hydrogen production application. | Huifang Sun Qi Zeng Chen Ye Yangguang Zhu Feiyue Chen Mingyang Yang Li Fu Shiyu Du Jinhong Yu Nan Jiang Jianxiong Liu Tianzhun Wu Cheng-Te Lin | 2020 | Chinese Chemical Letters2020，31，9： | 0 |
| 5 | Layer-by-layer stacked graphene nanocoatings by Marangoni self-assembly for corrosion protection of stainless steel显示文摘Graphene nanosheets are widely used in anti-corrosion polymeric coating as filler,owing to the excellent electrochemical inertness and barrier property.However,as the arrangement of graphene nanosheets is difficult to form a perfect layered structure,polymeric coating with graphene nanosheets usually needs micron-scale thickness to ensure the enhancement of corrosion protection.In this work,layer-by-layer stacked graphene nanocoatings were fabricated on stainless steel by self-assembly based on Marangoni effect.The anti-corrosion property of graphene coatings were studied through Tafel polarization curves,electrochemical impedance spectroscopy and accelerated corrosion test with extra applied voltage.The self corrosion current density of optimized three-layered graphene coated sample was one quarter of that of bare stainless steel.And the self corrosion potential of optimized sample is increased to-0.045 V.According to the results,graphene nanocoatings composed of layered nanosheets exhibits good anticorrosion property.Besides,the self-assembly method provide a promising approach to make layeredstructure coating for other researches about 2 D material nanosheets. | Chen Ye Yangguang Zhu Hongyan Sun Feiyue Chen Huifang Sun Wen Dai Qiuping Wei Li Fu Aimin Yu Shiyu Du Minghui Yang Liang-Feng Huang Jinhong Yu Nan Jiang Cheng-Te Lin | 2021 | Chinese Chemical Letters2021，32，1： | 0 |
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