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| 1 | Receding horizon control for multi-UAVs close formation control based on differential evolution显示文摘Close formation flight is one of the most complicated problems on multi-uninhabited aerial vehicles (UAVs) coordinated control. Based on the nonlinear model of multi-UAVs close formation, a novel type of control strategy of using hybrid receding horizon control (RHC) and differential evolution algorithm is proposed. The issue of multi-UAVs close formation is transformed into several on-line optimization problems at a series of receding horizons, while the differential evolution algorithm is adopted to optimize control sequences at each receding horizon. Then, based on the Markov chain model, the convergence of differential evolution is proved. The working process of RHC controller is presented in detail, and the stability of close formation controller is also analyzed. Finally, three simulation experiments are performed, and the simulation results show the feasibility and validity of our proposed control algorithm. | ZHANG XiangYin, DUAN HaiBin & YU YaXiang National Key Laboratory of Science and Technology on Holistic Control, School of Automation Science and Electrical Engineering, Beihang University, Beijing 100191, China | 2010 | Science China(Information Sciences)2010，53，2： | 22 |
| 2 | A Predator-prey Particle Swarm Optimization Approach to Multiple UCAV Air Combat Modeled by Dynamic Game Theory显示文摘Dynamic game theory has received considerable attention as a promising technique for formulating control actions for agents in an extended complex enterprise that involves an adversary. At each decision making step, each side seeks the best scheme with the purpose of maximizing its own objective function. In this paper, a game theoretic approach based on predatorprey particle swarm optimization(PP-PSO) is presented, and the dynamic task assignment problem for multiple unmanned combat aerial vehicles(UCAVs) in military operation is decomposed and modeled as a two-player game at each decision stage. The optimal assignment scheme of each stage is regarded as a mixed Nash equilibrium, which can be solved by using the PP-PSO. The effectiveness of our proposed methodology is verified by a typical example of an air military operation that involves two opposing forces: the attacking force Red and the defense force Blue. | Haibin Duan Pei Li Yaxiang Yu | 2015 | IEEE/CAA Journal of Automatica Sinica2015，2，1： | 19 |
| 3 | Trophallaxis network control approach to formation flight of multiple unmanned aerial vehicles显示文摘A novel network control method based on trophallaxis mechanism is applied to the formation flight problem for multiple unmanned aerial vehicles(UAVs).Firstly,the multiple UAVs formation flight system based on trophallaxis network control is given.Then,the model of leader-follower formation flight with a virtual leader based on trophallaxis network control is presented,and the influence of time delays on the network performance is analyzed.A particle swarm optimization(PSO)-based formation controller is proposed for solving the leader-follower formation flight system.The proposed method is applied to five UAVs for achieving a 'V' formation,and a series of experimental results show its feasibility and validity.The proposed control algorithm is also a promising control strategy for formation flight of multiple unmanned underwater vehicles(UUVs),unmanned ground vehicles(UGVs),missiles and satellites. | DUAN HaiBin LUO QiNan YU YaXiang | 2013 | Science China(Technological Sciences)2013，56，5： | 16 |
| 4 | Construction of a host range-expanded hybrid baculovirus of BmNPV and AcNPV, and knockout of cysteinase gene for more efficient expression显示文摘AcNPV (Autographa californica nuclear polyhedrosis virus) and BmNPV(Bombyx mori nuclear polyhedrosis virus) are two principal insect-baculovirus expression systems, each having different characteristics. AcNPV has a wider host range and can infect a series of cell lines thus making it suitable for cell suspension culture expression, but the small size of the host insect, A. californica, makes AcNPV less suitable for large scale protein synthesis. In contrast, BmNPV can only infect the silkworm, Bombyx mori, which is well-known for its easy rearing and large size. These characteristics make the BmNPV system especially suitable for large-scale industrial ex-pression. To utilize the advantages of both AcNPV and BmNPV, we tried to expand their host range through homologous recombination and successfully constructed a hybrid baculovirus of AcNPV and BmNPV, designated as HyNPV. The hybrid baculovirus can infect the hosts of both AcNPV and BmNPV. Taking the human basic fibroblast growth factor (bFGF) gene as an appli-cation example, we constructed a recombinant, HyNPV-bFGF. This construct is able to express the bFGF protein both in silkworm larvae and in common-use cell lines, sf21, sf9 and High-five. Moreover, to reduce the loss of recombinant protein due to degradation by proteases that are simultaneously expressed by the baculovirus, we knocked out the cysteinase gene coding for one of the most important baculovirus proteases. This knockout mutation improves the produc-tion efficiency of the bFGF recombinant protein. | WU Xiaofeng, CAO Cuiping, XU Yaxiang & LU Xingmeng College of Animal Sciences, Zhejiang University, Huajiachi Campus, Hangzhou 310029, China | 2004 | Science China(Life Sciences)2004，47，5： | 12 |
| 5 | Ni-based cathode materials for Na-ion batteries显示文摘Na-ion batteries(NIBs)have attracted significant attention owing to Na being an abundant resource that is uniformly distributed in the Earth's crust.Several 3d transition metal(TM)ions have been thoroughly investigated as charge compensators in single or multiple composition systems to enhance the electrochemical performance of cathodes for the practical applications.In this review,the composition-structure-property relationship of Ni-based cathodes has been reviewed as a design perspective for NIB'S cathodes.The typical Ni-based cathode materials have bee n systematically summarized and comparatively analyzed,and it is dem on strated that Ni io ns can be used to provide charge compensation.Moreover,Ni-based cathodes present high reversible capacity owing to the multi-electron redox reactions and suitable redox pote ntial of Ni-ions redox.However,con sidering the abundan ce,cost,and hygroscopic properties of Ni eleme nt,the content of 0.15-0.35 per formula can be optimal for enhancing the performance of cathodes.Lastly,further perspectives on designing Ni?containing cathodes,including Ni-rich layered cathodes,have been discussed,which could promote the practical applications of NIBs for grid-scale energy storage in future. | Chenglong Zhao Yaxiang Lu Liquan Chen Yong-Sheng Hu | 2019 | Nano Research2019，12，9： | 8 |
| 6 | High-temperature treatment induced carbon anode with ultrahigh Na storage capacity at low-voltage plateau显示文摘Sodium-ion batteries(NIBs) show great prospect on the energy storage applications benefiting from their low cost and the abundant Na resources despite the expected lower energy density compared with lithium-ion batteries(LIBs). To further enhance the competitive advantage, especially in energy density,developing the high-capacity carbon anode materials can be one of the effective approaches to realize this goal. Herein, we report a novel carbon anode made from charcoal with a high capacity of ~400 m Ah g^(-1), wherein about 85%(>330 mAh g^(-1)) of its total capacity is derived from the long plateau region below ~0.1 V, which differs from those of typical hard carbon materials(~300 m Ah g^(-1)) in NIBs but is similar to the graphite anode in LIBs. When coupled with air-stable Na_(0.9)Cu_(0.22)e_(0.30)Mn_(0.48)O_2 oxide cathode, a high-energy density of ~240 Wh kg^(-1) is achieved with good rate capability and cycling stability. The discovery of this promising carbon anode is expected to further improve the energy density of NIBs towards large-scale electrical energy storage. | Chenglong Zhao Qidi Wang Yaxiang Lu Baohua Li Liquan Chen Yong-Sheng Hu | 2018 | Science Bulletin2018，63，17： | 7 |
| 7 | Flexible Na batteries显示文摘Flexible energy storage devices have gained significant attention because of the increasing needs of bendable displays,wearable electronics,and flexible displays.Flexible Na-based rechargeable batteries are the promising power sources in such products due to their low cost and wide availability.In this review,we firstly introduce the structural superiority of flexible Na-based batteries and summarize their main components including cathodes,electrolytes,and anodes.Moreover,fabrication of their flexible components is discussed in detail,with specific emphasis on material selection,particularly for solid-state electrolytes.This is followed by an overview highlighting recent progress in the development of prototypes of flexible Na-ion batteries and beyond.Finally,perspectives on future challenges for the development of flexible Na batteries are proposed. | Chenglong Zhao Yaxiang Lu Liquan Chen Yong-Sheng Hu | 2020 | InfoMat2020，2，1： | 6 |
| 8 | Parameters identification of UCAV flight control system based on predator-prey particle swarm optimization显示文摘With the improvement of the aircraft flight performance and development of computing science,uninhabited combat aerial vehicle(UCAV) could accomplish more complex tasks.But this also put forward stricter requirements for the flight control system,which are the crucial issues of the whole UCAV system design.This paper proposes a novel UCAV flight controller parameters identification method,which is based on predator-prey particle swarm optimization(PSO) algorithm.A series of comparative experimental results verify the feasibility and effectiveness of our proposed approach in this paper,and a predator-prey PSO-based software platform for UCAV controller design is also developed. | DUAN HaiBin YU YaXiang ZHAO ZhenYu | 2013 | Science China(Information Sciences)2013，56，1： | 5 |
| 9 | Advanced Na metal anodes显示文摘Na metal anode, benefiting from its high theoretical capacity and lowest electrochemical potential, is one of the most favorable candidates for future Na-based batteries with high energy density. Dendrite growth, volume change and high reactivity are the formidable challenges in terms of good cycling performance and high Coulombic efficiency as well as an expected safety guarantee of Na metal anode for the practical application. Solid electrolyte interphase(SEI) layer as an indispensable component of a battery,its formation and stability play the critical role in the feasibility of Na metal anode. In this review, we first discuss the current consideration and challenges of Na metal anode, and then summarize several strategies to suppress dendrite growth and improve electrochemical performance, including interface engineering, electrolyte composition, electrode construction, and so on. Finally, the conclusion and future perspective of potential development on Na metal anode are proposed. | Chenglong Zhao Yaxiang Lu Jinming Yue Du Pan Yuruo Qi Yong-Sheng Hu Liquan Chen | 2018 | Journal of Energy Chemistry2018，27，6： | 5 |
| 10 | Research and Development of Cadmium Sulphoselenide Red Pigment显示文摘Cadmium sulphoselenide was synthesized continuous substitution solid solution and the only known pigment to yield bright red color on ceramic decoration. Encapsulated cadmium sulphoselenide pigments could yield abundant hues from yellow to red with high opacity at high temperature. The color generation has a linear function relation with the substitution rate. The encapsulation formation process of zirconium silicate encapsulated cadmium sulphoselenide was shown. Insuffi cient encapsulation effi ciency and potential hazard to human and environment had limited the industrial application of cadmium sulphoselenide red pigment. Ink-jet printing decoration required fi ne size cadmium sulphoselenide red pigment on ceramic decoration. The review mainly focused on the synthesis techniques and industrial application of cadmium sulphoselenide red pigment. | 吴建锋 LI Kun XU Xiaohong ZHANG Yaxiang XU Xiaoyang LAO Xinbin | 2015 | Journal of Wuhan University of Technology(Materials Science)2015，30，6： | 3 |
| 11 | Effect of MnO2 on Properties of SiC-mullite Composite Ceramics for Solar Sensible Thermal Storage显示文摘For improving the properties of Si C-mullite composite ceramics used for solar sensible thermal storage, Mn O_2 was introduced as sintering additive when preparing. The composite ceramics were synthesized by using Si C, andalusite, α-Al_2O_3 as the starting materials with non-contact graphite-buried sintering method. Phase composition and microstructure of the composites were investigated by XRD and SEM, and the effect of Mn O_2 on the properties of Si C composites was studied. Results indicated that samples SM1 with 0.2 wt% Mn O_2 addition achieved the optimum properties: bending strength of 70.96 MPa, heat capacity of 1.02 J·(g·K)-1, thermal conductivity of 9.05 W·(m·K)-1. Proper addition of Mn O_2 was found to weaken the volume effect of the composites and improve the thermal shock resistance with an increased rate of 27.84% for bending strength after 30 cycles of thermal shock(air cooling from 1 100 ℃ to RT). | 徐晓虹 lao xinbin wu jianfeng zhang yaxiang xu xiaoyang li kun | 2016 | Journal of Wuhan University of Technology(Materials Science)2016，31，3： | 3 |
| 12 | A NEW TRUST-REGION ALGORITHM FOR NONLINEAR CONSTRAINED OPTIMIZATION显示文摘我们为非线性的抑制优化问题建议一个新信任区域算法。在我们的算法的每次重复,试用步被在信任区域最小化二次的近似到扩充 Lagrange 功能计算。扩充 Lagrange 功能也被用作优点功能决定试用步是否应该被接受。我们的方法由把一种过滤器技术合为接受试用步的规则扩大传统的信任区域途径以便甚至当它被传统的旅行基于优点功能减小拒绝时,试用步能仍然被接受。Lagrange 的估计更多样地在每次重复被更新,并且惩罚参数被更新在限制违背的标准强迫足够的减小。活跃集合技术被用来处理不平等限制。从 CUTEr 收集的一套抑制问题的数字结果也被报导。[从作者抽象] | Lingfeng Niu Yaxiang Yuan | 2010 | Journal of Computational Mathematics2010，28，1： | 3 |
| 13 | Anthraquinone derivative as high-performance anode material for sodium-ion batteries using ether-based electrolytes显示文摘Organic materials, especially the carbonyl compounds, are promising anode materials for room temperature sodium-ion batteries owing to their high reversible capacity, structural diversity as well as eco-friendly synthesis from bio-mass. Herein, we report a novel anthraquinone derivative, C_(14)H_6 O_4 Na_2 composited with carbon nanotube(C_(14)H_6 O_4 Na_2-CNT), used as an anode material for sodium-ion batteries in etherbased electrolyte. The C_(14)H_6 O_4 Na_2-CNT electrode delivers a reversible capacity of 173 mAh g^(-1) and an ultra-high initial Coulombic efficiency of 98% at the rate of 0.1 C. The capacity retention is 82% after 50 cycles at 0.2 C and a good rate capability is displayed at 2 C.Furthermore, the average Na insertion voltage of 1.27 V vs. Na^+/Na makes it a unique and safety battery material, which would avoid Na plating and formation of solid electrolyte interface. Our contribution provides new insights for designing developed organic anode materials with high initial Coulombic efficiency and improved safety capability for sodium-ion batteries. | Linqin Mu Yaxiang Lu Xiaoyan Wu Yuejun Ding Yong-Sheng Hu Hong Li Liquan Chen Xuejie Huang | 2018 | Green Energy & Environment2018，3，1： | 2 |
| 14 | Preparation and Properties of Ceramic Facing Brick from East-lake Sediment显示文摘In order to utilize solid wastes, ceramic facing brick was made form East-lake sediment and some additives. The strength and freeze-thaw resistance of the samples were tested, and the crystal phases and microstructures were studied by XRD and SEM. The results indicate that the samples have a wide firing temperature range. The main crystal phases are CaAl2Si2O8, α-Al2O3, Fe2O3, which distribute uniformly in the samples. The sample have the best properties in the series 'Ca-Al-Si', and water absorption (Wa) , porosity (Pa), bulk density (D), bending strength and compressive strength are 7.24%, 15.82%, 2.19 g.cm-3, 45.57 MPa and 56.81 MPa respectively, when the addition amount of East-lake sediment is 80% and the firing temperature is 1 100 ℃. In the series 'K-Al-Si', the sample with the best properties was obtained when addition amount of East-lake sediment was 70% and firing temperature was 1 060 ℃. The water absorption, porosity, bulk density, bending strength and compressive strength are 7.62%, 16.37%, 2.15 g~cm-3, 39.26 MPa, and 50.81 MPa respectively. They all come up to the national standardization, and meet the needs of manufacturing production. | 吴建锋 LENG Guanghui XU Xiaohong ZHANG Yaxiang LAO Xinbin Li Kun | 2012 | Journal of Wuhan University of Technology(Materials Science)2012，27，1： | 2 |
| 15 | Large Scale One-Pot Synthesis of Monodispersed Na_(3)(VOPO_(4))_(2)F Cathode for Na-Ion Batteries显示文摘Na-ion batteries(NIBs)have received significant interest as potential candidates for large-scale energy storage owing to the widespread distribution of sodium and superior low-temperature performance.However,their commercial application is usually hindered by the high production cost and inadequate performance for electrode materials,particularly for cathodes.Na_(3)(VOPO_(4))_(2)F(NVOPF)has been recognized as one of the most promising cathodes for high-energy NIBs owing to the high working voltage and energy density.Here,we report a facile highly efficient room-temperature solution protocol for large-scale synthesis of NVOPF cathode for NIBs.By simply regulating pH,NVOPF can be obtained,which delivered a discharge capacity of 120.2 mAh g^(-1) at 0.1 C and 72%capacity retention over 8000 cycles at 25 C.Besides,the kilogram-level NVOPF products have been synthesized,and 26650 cylindrical cells were fabricated,which exhibit excellent cycling stabilities,remarkable lowtemperature performance with comparable safety features.We hope our findings could provide insights on the industrial application of NVOPF in NIBs. | Qiangqiang Zhang Xing Shen Quan Zhou Kaixuan Li Feixiang Ding Yaxiang Lu Junmei Zhao Liquan Chen Yong-Sheng Hu | 2022 | Energy Material Advances2022，，1： | 2 |
| 16 | Disordered carbon anodes for Na-ion batteries—quo vadis?显示文摘Na-ion batteries(NIBs)are gradually attracting much attention as an alternative to lead-acid batteries and supplement to Li-ion batteries(LIBs)owing to the abundant Na resources and excellent cost-effectiveness.Since the most commonly used graphite as an anode material in LIBs cannot be inherently used in NIBs,tremendous efforts have been made to advance the fundamental understanding and design of suitable anode materials for NIBs,including the improvement of Na storage capacity and the study on Na storage mechanisms.According to all these studies,disordered carbons are now the most promising anode candidates for NIBs.In this review,we discuss the current challenges and remaining problems to be solved in the area of disordered carbon anode materials for NIBs and provide future insights and research directions. | Fei Xie Zhen Xu Zhenyu Guo Yaxiang Lu Liquan Chen Maria-Magdalena Titirici Yong-Sheng Hu | 2021 | Science China Chemistry2021，64，10： | 2 |
| 17 | A sequential quadratic programming method without a penalty function or a filter for nonlinear equality constrained optimiza- tion显示文摘 | Liu Xinwei Yuan Yaxiang | 2011 | SIAM Journal on Optimization2011，21，2： | 1 |
| 18 | A Nonlinear Conjugate Gradient Method with a Strong Global Convergebce Property显示文摘 | DAI Yuhong YUAN Yaxiang | 1999 | SIAM Journal on Optimization1999，10，1： | 1 |
| 19 | A nonlinear conjugate gradient method with a strong global convergence prop- erty显示文摘 | DAI Yuhong YUAN Yaxiang | 1999 | SIAM Journal on Optimization1999，9，8： | 1 |
| 20 | An efficient hybrid conjugate gradient method for unconstrained optimization显示文摘 | Dai Yuhong Yuan Yaxiang | 2001 | Annals of Operations Research2001，103，： | 1 |
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