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| 1 | Global approximation based adaptive RBF neural network control for supercavitating vehicles显示文摘A global approximation based adaptive radial basis function(RBF) neural network control strategy is proposed for the trajectory tracking control of supercavitating vehicles(SV).A nominal model is built firstly with the unknown disturbance.Next, the control scheme is established consisting of a computed torque controller(CTC) for the practical vehicle and an RBF neural network controller to estimate model error between the practical vehicle and the nominal model. The network weights are adapted by employing a Lyapunov-based design. Then it is shown by the Lyapunov theory that the trajectory tracking errors asymptotically converge to a small neighborhood of zero. The control performance of the proposed controller is illustrated by simulation. | LI Yang LIU Mingyong ZHANG Xiaojian PENG Xingguang | 2018 | Journal of Systems Engineering and Electronics2018，29，4： | 11 |
| 2 | Cooperative path planning for multi-AUV in time-varying ocean flows显示文摘For low-speed underwater vehicles, the ocean currents has a great influence on them, and the changes in ocean currents is complex and continuous, thus whose impact must be taken into consideration in the path planning. There are still lack of authoritative indicator and method for the cooperating path planning. The calculation of the voyage time is a difficult problem in the time-varying ocean, for the existing methods of the cooperating path planning, the computation time will increase exponentially as the autonomous underwater vehicle(AUV) counts increase, rendering them unfeasible. A collaborative path planning method is presehted for multi-AUV under the influence of time-varying ocean currents based on the dynamic programming algorithm. Each AUV cooperates with the one who has the longest estimated time of sailing, enabling the arrays of AUV to get their common goal in the shortest time with minimum timedifference. At the same time, they could avoid the obstacles along the way to the target. Simulation results show that the proposed method has a promising applicability. | Mingyong Liu Baogui Xu Xingguang Peng | 2016 | Journal of Systems Engineering and Electronics2016，27，3： | 8 |
| 3 | Flexible Multiplexing Mechanism for Coexistence of URLLC and EMBB Services in 5G Networks显示文摘5G mobile networks are envisioned to support both evolved mobile broadband(eMBB) and ultra-reliable and low latency communications (URLLC), which may coexistand interfere with each other in the same service cell in many scenarios. In this paper, wepropose a dynamic 2-dimension bitmap resource indication to cancel eMBB services witha finer uplink cancellation granularity and a lower probability of false cancellation. Meanwhile,a resource indication based power control method is introduced to dynamically indicatedifferent power control parameters to the user equipment (UE) based on differenttime-frequency resource groups and the proportion of overlapping resources, by which thereliability of URLLC transmission is guaranteed while the impact on the performance ofthe eMBB service is minimized. Furthermore, a dynamic selection mechanism is proposedto accommodate the varying cases in different scenarios. Extensive system level simulationsare conducted and the results show that about 10.54% more URLLC UE satisfy therequirements, and the perceived throughput of eMBB UE is increased by 23.26%. | XIAO Kai LIU Xing HAN Xianghui HAO Peng ZHANG Junfeng ZHOU Dong WEI Xingguang | 2021 | ZTE Communications2021，19，2： | 3 |
| 4 | Extracellular pattern recognition molecules in health and :liseases显示文摘 | Peng Zhang Xingguang Liu Xuetao Cao | 2015 | Cellular & Molecular Immunology2015，12，3： | 2 |
| 5 | Glycolipid iGb3 feedback amplifies innate immune responses via CD1d reverse signaling显示文摘The cross-talk between cellular lipid metabolism and the innate immune responses remains obscure. In addition to presenting lipid antigens to Natural Killer T-cells (NKT cells), the Cluster of Differentiation 1D Glycoprotein (CD1d) might mediate reverse signaling in antigen-presenting cells (APCs). Here we found CD1d deficiency attenuated Toll-like receptor (TLR)-triggered inflammatory innate responses in macrophages and dendritic cells, protecting mice from endotoxin shock. TLR activation in macrophages induced metabolic changes of glycosphingolipids (GSLs), among which glycolipid isoglobotrihexosylceramide (iGb3) was rapidly produced. The endogenously generated iGb3 bound CD1d in endosomal compartments and then synergized with the initially activated TLR signal to induce Tyr332 phosphorylation of CD1d intracellular domain. This led to the recruitment and activation of proline-rich tyrosine kinase 2 (Pyk2). Pyk2 interacted with IκB kinase β (IKKβ) and TANK-binding kinase 1 (TBK1), and enhanced tyrosine phosphorylation of Tyr188/199 of IKKβ and Tyr179 of TBK1 and thus, their activation to promote full activation of TLR signaling. Thus, intracellular CD1d reverse signaling, triggered by endogenous iGb3, amplifies inflammatory innate responses in APCs. Our findings identify a non-canonical function of CD1d reverse signaling activated by lipid metabolite in the innate immune response. | Xingguang Liu Peng Zhang Yunkai Zhang Zheng Wang Sheng Xu Yingke Li Wanwan Huai Qingqing Zhou Xiang Chen Xi Chen Nan Li Peng Wang Yunsen Li Xuetao Cao | 2019 | Cell Research2019，29，1： | 1 |
| 6 | Zinc Finger Protein 64 Promotes Toll-like Receptor-triggered Proinflammatory and Type I Interferon Production in Macrophages by Enhancing p65 Subunit Activation显示文摘 | Chunmei Wang Xingguang Liu Yin Liu Qian Zhang Zhenyu Yao Bo Huang Peng Zhang Nan Li Xuetao Cao | 2013 | Journal of Biological Chemistry2013，，34： | 1 |
| 7 | Design and characterisation of the high-current DC breaker driven by explosive显示文摘The development of a high-current DC breaker is very important for the protection of the expensive superconducting magnet.A kind of an economic switch called pyrobreaker,which is driven by explosive detonation waves,has been used as the backup quench protection due to its inherent reliability and fast response.A prototype pyrobreaker with a special structure that can withstand and break 100 kA is discussed.The numerical material model is taken to calculate the fracture demand of contact and the mass demand of explosive.Then,the detonation wave and contact breaking process are simulated by the ANSYS software.The performance of the design and characterisation during dynamic breaking are compared with simulation and no-load experiment test.At the end,the temperature rise test and the breaking test under 100 kA are completed successfully.These results demonstrate that the design of 100 kA pyrobreaker is reliable. | Cunwen Tang Hua Li Zhiquan Song Jifei Ye Meng Xu Xingguang Hu Fu Peng | 2023 | High Voltage2023，8，3： | 0 |
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