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24篇 您的检索式:作者名="Tang Houjun"
    题名 作者 年代 出处 被引量
1A framework for stochastic estimation of electric vehicle charging behavior for risk assessment of distribution networks显示文摘Power systems are being transformed to enhance the sustainability.This paper contributes to the knowledge regarding the operational process of future power networks by developing a realistic and stochastic charging model of electric vehicles(EVs).Large-scale integration of EVs into residential distribution networks(RDNs)is an evolving issue of paramount significance for utility operators.Unbalanced voltages prevent effective and reliable operation of RDNs.Diversified EV loads require a stochastic approach to predict EVs charging demand,consequently,a probabilistic model is developed to account several realistic aspects comprising charging time,battery capacity,driving mileage,state-of-charge,traveling frequency,charging power,and time-of-use mechanism under peak and off-peak charging strategies.An attempt is made to examine risks associated with RDNs by applying a stochastic model of EVs charging pattern.The output of EV stochastic model obtained from Monte-Carlo simulations is utilized to evaluate the power quality parameters of RDNs.The equipment capability of RDNs must be evaluated to determine the potential overloads.Performance specifications of RDNs including voltage unbalance factor,voltage behavior,domestic transformer limits and feeder losses are assessed in context to EV charging scenarios with various charging power levels at different penetration levels.Moreover,the impact assessment of EVs on RDNs is found to majorly rely on the type and location of a power network.Salman HABIB Muhammad Mansoor KHAN Farukh ABBAS Muhammad NUMAN Yaqoob ALI Houjun TANG Xuhui YAN 2020Frontiers in Energy2020,14,2:3
2PagGRF12a interacts with PagGIF1b to regulate secondary xylem development through modulating PagXND1a expression in Populus alba×P.glandulosa显示文摘Growth-regulating factors(GRFs)are important regulators of plant development and growth,but their possible roles in xylem development in woody plants remain unclear.Here,we report that Populus alba×Papulus glandulosa PagGRF12a negatively regulates xylem development in poplar.PagGRF12a is expressed in vascular tissues.Compared to non-transgenic control plants,transgenic poplar plants overexpressing PagGRF12a exhibited reduced xylem width and plants with repressed expression of PagGRF12a exhibited increased xylem width.Xylem NAC domain 1(XND1)encodes a NAC domain transcription factor that regulates xylem development and transcriptional analyses revealed that PagXND1a is highly upregulated in PagGRF12a-overexpressing plants and downregulated in PagGRF12a-suppressed plants,indicating that PagGRF12a may regulate xylem development through PagXND1a.Transient transcriptional assays and chromatin immunoprecipitation-polymerase chain reaction assays confirmed that PagGRF12a directly upregulates PagXND1a.In addition,PagGRF12a interacts with the GRF-Interacting Factor(GIF)PagGIF1b,and this interaction enhances the effects of PagGRF12a on PagXND1a.Our results indicate that PagGRF12a inhibits xylem development by upregulating the expression of PagXND1a.Jinnan Wang Houjun Zhou Yanqiu Zhao Cheng Jiang Jihong Li Fang Tang Yingli Liu Shutang Zhao Jianjun Hu Xueqin Song MengZhu Lu 2021Journal of Integrative Plant Biology2021,63,10:3
3TYRE DYNAMICS MODELLING OF VEHICLE BASED ON SUPPORT VECTOR MACHINES显示文摘轮胎建模的各种各样的方法被实现从纯对实验或半实验的模型理论基于试验性的结果。代表从大小获得的轮胎数据的一个新方法经由支持向量机器(SVM ) 被介绍。把 SVM 用于不变的轮胎建模的可行性被比较与 three-layerbackpropagation (BP ) 调查神经网络在纯滑倒并且联合滑倒。结果显示 SVMsoutperform 在建模的 BP 神经网络有更好的归纳性能的轮胎特征。SVMs 轮胎作为参考借助于 PAC 2002 魔术的公式为车辆动力学模拟在 8-DOF 车辆模型被实现。SVMs 轮胎能是一个竞争、精确的方法为车辆动力学模拟为一个轮胎建模。ZHENG Shuibo TANG Houjun HAN Zhengzhi ZHANG Yong 2006Chinese Journal of Mechanical Engineering2006,19,4:2
4Controller design for vehicle stability enhancement显示文摘ZHENG Shuibo TANG Houjun HAN Zhengzhi 2006Control Engineering Practice2006,14,12:1
5Lamproites and kimberlites in China and the genesis of diamond deposit显示文摘Houjun Mei Chunjing Tang Sunrong Li Yongming Li Xingchun Zhang Dengrong Lu Lianchang Zhang 1998Science in China Series D: Earth Sciences1998,,1:1
6Controller design for vehicle stability enhancement显示文摘ZHENG Shuibo TANG Houjun HAN Zhengzhi 0,,12:1
7Controller design for vehicle stability enhancement显示文摘Shuibo Zheng Houjun Tang Zhengzhi Han 2006Control Engineering Practice2006,14,12:1
8Controller design for vehicle stability enhancement显示文摘ZHENG Shuibo TANG Houjun HAN Zhengzhi 0,,12:1
9Design of a compact C-band high brightness photoinjector for an ultra-fast electron diffraction显示文摘A compact C-band high brightness photoinjector for ultra-fast electron diffraction(UED)is under development at Tsinghua University.The C-band photoinjector,operating at 5.172 GHz,uses a 1.45-cell C-band RF gun as the electron source.The design of the RF gun has addressed the physics,beam dynamics and mechanical aspects,and based on these design studies,a prototype has been fabricated.In order to obtain optimized performance for the UED,beam dynamics simulation has been carried out using the particle tracking code Astra for the photoinjector consisting of an alternative multi-cell RF gun design and a C-band compressor downstream.The beam dynamics parameters that are optimized include the bunch length,peak current,horizontal emittance,and position of the minimum bunch length.LIU XiaoHan TANG ChuanXiang QIAN HouJun CHEN HuaiBi HUANG WenHui 2013Chinese Science Bulletin2013,58,36:1
10Controller design for vehicle stability enhancement显示文摘Zheng Shuibo Tang Houjun Han Zhengzhi 2006Control Engineering Practice2006,14,12:1
11Solving large-scale multiclass learning problems via an efficient support vector classifier显示文摘Support vector machines (SVMs) are initially designed for binary classification. How to effectively extend them for multiclass classification is still an ongoing research topic. A multiclass classifier is constructed by combining SVMlight algorithm with directed acyclic graph SVM (DAGSVM) method, named DAGSVMlight. A new method is proposed to select the working set which is identical to the working set selected by SVMlight approach. Experimental results indicate DAGSVMlight is competitive with DAGSMO. It is more suitable for practice use. It may be an especially useful tool for large-scale multiclass classification problems and lead to more widespread use of SVMs in the engineering community due to its good performance.Zheng Shuibo Tang Houjun Han Zhengzhi Zhang Haoran 2006Journal of Systems Engineering and Electronics2006,17,4:1
12Lamproites and kimberlites in China and the genesis of diamond deposit显示文摘Houjun Mei Chunjing Tang Sunrong Li Yongming Li Xingchun Zhang Dengrong Lu Lianchang Zhang 1998Science in China Series D: Earth Sciences1998,,1:1
13A sys- tematic method for designing a PR controller and ac- tive damping of the LCL filter for single-phase grid- connected PV inverters显示文摘Zhang Ningyun Tang Houjun Yao Chen 2014Energies2014,7,6:1
14Contemporary Trends in Power Electronics Converters for Charging Solutions of Electric Vehicles显示文摘Electrifying the transport sector requires new possibilities for power electronics converters to attain reliable and efficient charging solutions for electric vehicles(EVs).With the continuous development in power electronics converters,the desire to reduce gasoline consumption and to increase the battery capacity for more electric range is achievable for EVs in the near future.The main interface between the power network and EV battery system is a power electronics converter,therefore,there is a considerable need of new power converters with low cost and high reliability for the advance charging mechanism of EVs.The rapid growth in power converter topologies brings substantial opportunities in EV charging process.In view of this fact,this paper investigates the significant aspects,current progress,and challenges associated with several power converters to suggest further improvements in charging systems of EVs.In particular,an extensive analysis of front-end as well as back-end converter configurations is presented.Moreover,the comparative properties of resonant converter topologies along with other DCDC converters are discussed in detail.Additionally,isolated,and non-isolated topologies with soft switching techniques are classified and rigorously analyzed with a view to their respective issues and benefits.It is foreseen that this paper would be a valuable addition and a worthy source of information for researchers exploring the area of power converter topologies for charging solutions of EVs.Salman Habib Muhammad Mansoor Khan Farukh Abbas Abdar Ali Muhammad Talib Faiz Farheen Ehsan Houjun Tang 2020CSEE Journal of Power and Energy Systems2020,6,4:1
15A bidirectional contactless power transfer system based on quantum modulation显示文摘LAN Jianyu TANG Houjun 2014International of Smart Home2014,8,3:1
16Direct adaptive control for nonlinear uncertain system based on control Lyapunov function method显示文摘The problem of adaptive stabilization of a class of multi-input nonlinear systems with unknown parameters both in the state vector-field and the input vector-field has been considered. By employing the control Lyapunov function method, a direct adaptive controller is designed to complete the global adaptive stability of the uncertain system. At the same time, the controller is also verified to possess the optimality. Example and simulations are provided to illustrate the effectiveness of the proposed method.Chen Yimei Han Zhengzhi Tang Houjun 2006Journal of Systems Engineering and Electronics2006,17,3:1
17Analysis of Voltage Sourt, e Inductive Coupled Power Transfer Systems Based on Zero Phase Angle Resonant Control Method显示文摘Wei Liu Houjun Tang 2007Industrial Electronics and Applications lCIEA2007,5,:1
18Studies on improving vehicle handling and lane keeping performance of closed-loop driver–vehicle system with integrated chassis control显示文摘Jianyong Wu Qingping Wang Xue Wei Houjun Tang 2010Mathematics and Computers in Simulation2010,,12:1
19Controller design for vehicle stability enhancement 显示文摘Zheng Shuibo Tang Houjun Han Zhengzhi 2006Control Engineering Practice2006,14,12:1
20Controller Design for Vehicle Stability Enhancement显示文摘Zheng Shuibo Tang Houjun Han Zhengzhi 2006Control Engineering Practice2006,14,:1
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