|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Toward Intelligent Machine Tool显示文摘With the development of modern information technology-and particularly of the new generation of artificial intelligence(AI)technology-new opportunities are available for the development of the intelligent machine tool(IMT).Based on the three classical paradigms of intelligent manufacturing as defined by the Chinese Academy of Engineering,the concept,characteristics,and systemic structure of the IMT are presented in this paper.Three stages of machine tool evolution-from the manually operated machine tool(MOMT)to the IMT-are discussed,including the numerical control machine tool(NCMT),the smart machine tool(SMT),and the IMT.Furthermore,the four intelligent control principles of the IMT-namely,autonomous sensing and connection,autonomous learning and modeling,autonomous optimization and decision-making,and autonomous control and execution-are presented in detail.This paper then points out that the essential characteristic of the IMT is to acquire and accumulate knowledge through learning,and presents original key enabling technologies,including the instruction-domain-based analytical approach,theoretical and big-data-based hybrid modeling technology,and the double-code control method.Based on this research,an intelligent numerical control(INC)system and industrial prototypes of IMTs are developed.Three intelligent practices are conducted,demonstrating that the integration of the new generation of AI technology with advanced manufacturing technology is a feasible and convenient way to advance machine tools toward the IMT. | Jihong Chen Pengcheng Hu Huicheng Zhou Jianzhong Yang Jiejun Xie Yakun Jiang Zhiqiang Gao Chenglei Zhang | 2019 | Engineering2019，5，4： | 12 |
| 2 | Strength Prediction of Aluminum–Stainless Steel-Pulsed TIG Welding–Brazing Joints with RSM and ANN显示文摘Pulsed TIG welding–brazing process was applied to join aluminum with stainless steel dissimilar metals. Major parameters that affect the joint property significantly were identified as pulsed peak current, base current, pulse on time,and frequency by pre-experiments. A sample was established according to central composite design. Based on the sample,response surface methodology(RSM) and artificial neural networks(ANN) were employed to predict the tensile strength of the joints separately. With RSM, a significant and rational mathematical model was established to predict the joint strength.With ANN, a modified back-propagation algorithm consisting of one input layer with four neurons, one hidden layer with eight neurons, and one output layer with one neuron was trained for predicting the strength. Compared with RSM, average relative prediction error of ANN was \10% and it obtained more stable and precise results. | Huan He Chunli Yang Zhe Chen Sanbao Lin Chenglei Fan | 2014 | Acta Metallurgica Sinica(English Letters)2014，27，6： | 6 |
| 3 | Precise determination of the reference point coordinates of Shanghai Tianma 65-m radio telescope显示文摘A local survey was implemented at the newly constructed Shanghai Tianma 65-m radio telescope.In this article,the survey implementation and data analysis are described.Particularly,by application of coordinate transformation,dimensionality reduction and step fitting of parameters,as well as adoption of reliability test measures of parameters,the mathematical model of data analysis is simplified,the detrimental effects of observation noises and unevenly spatial coverage of sample points are effectively compressed,the stability and precision of parameter solutions are improved,and so the geocentric three-dimensional coordinates of the reference point of this telescope in the precision of millimeters were determined,and the axisoffset was shown not significant on the precision level of3 mm.The outcome provides important reference to the subsequent activities of antenna maintenance and scientific application,including the establishment of precise antenna orientation model,orientation guidance,fringe searching in data cross-correlation,analysis and application studies of VLBI observations.It is also important archive data for monitoring possible subsidence and lateral displacement of antenna foundation as well as deformation of antenna tracking-rail and structure. | Jinling Li Fuwen Xiong Chenglei Yu Jinwei Zhang Li Guo Qingyuan Fan | 2014 | Chinese Science Bulletin2014，59，21： | 5 |
| 4 | Research on droplet transfer in oscillating arc narrow gap GMA welding显示文摘 | Xu Wanghui Fan Chenglei Lin Sanbao Yang Chunli | 2014 | China Welding2014，23，2： | 5 |
| 5 | Model for water pollution remote sensing based on double scattering and its application in the Zhujiang River outfall显示文摘It is a valid route for quantitatively remote sensing on water pollution to build a model according to the physical mechanisms of scattering and absorbing of suspended substance, pollutant, and molecules of water. Remote sensing model for water pollution based on single scattering is simple and easy to be used, but the precision is affected by turbidity of water. The characteristics of the energy composition of multiple scattering, are analyzed and it is proposed that, based on the model of single scattering, if the flux of the second scattering is considered additionally, the precision of the model will be remarkably improved and the calculation is still very simple. The factor of the second scattering is deduced to build a double scattering model, and the practical arithmetic for the calculation of the model is put forward. The result of applying this model in the water area around the Zhujiang(Pearl) River outfall shows that the precision is obviously improved. The result also shows that the seriously polluted water area is distributed in the northeast of Lingding Sea, the Victoria Bay of Hong Kong, and the Shengzhen Bay. | DENGRuru LIUQinhuo KERuiping CHENGLei LIUXiaoping | 2004 | Acta Oceanologica Sinica2004，23，1： | 4 |
| 6 | Assessment Index Structure of Mine Ventilation System and Application显示文摘Based on the basic content of advanced technology,safety and reliability, and economic reasonability and the definition of mine ventilation system, 16 assessment indexes of ventilation system are put forward from the point of 8 aspects such as mine ventilation power, ventilation network, ventilation equipments, ventilation quality, ventilation monitoring, capacity of preventing and fighting disaster, ventilation consumption of power, and the capacity of ventila- tion system. A new assessment index system is put forward and has a good effect after being applied in coal mines. | CHENGLei YANGYun-liang XiongYa-xuan | 2005 | Journal of China University of Mining and Technology2005，15，2： | 4 |
| 7 | Poisson disk sampling through disk packing显示文摘Poisson disk sampling is an important problem in computer graphics and has a wide variety of applications in imaging, geometry, rendering, etc. In this paper, we propose a novel Poisson disk sampling algorithm based on disk packing. The key idea uses the observation that a relatively dense disk packing layout naturally satisfies the Poisson disk distribution property that each point is no closer to the others than a specified minimum distance, i.e., the Poisson disk radius. We use this property to propose a relaxation algorithm that achieves a good balance between the random and uniform properties needed for Poisson disk distributions. Our algorithm is easily adapted to image stippling by extending identical disk packing to unequal disks. Experimental results demonstrate the efficacy of our approaches. | Guanghui Liang Lin Lu Zhonggui Chen Chenglei Yang | 2015 | Computational Visual Media2015，1，1： | 3 |
| 8 | Total conductivity,oxygen permeability and stability of perovskite-type oxide BaCo_(0.7)Fe_(0.2)Nb_(0.1)O_(3-δ)显示文摘The total conductivity,oxygen sorption property,oxygen permeability and stability of pure perovskite-type oxide BaCo0.7Fe0.2Nb0.1O3-δ (BCFNO) in real operating conditions were investigated. Its total conductivity was measured to be 3.6 S·cm-1 at 600°C. Though the total conductivity of the BCFNO membrane is much smaller than that of the Ba0.5Sr0.5Co0.8Fe0.2O3-δ (BSCFO) membrane,the oxygen permeability of the BCFNO membrane is similar to that of the BSCFO membrane. SEM observation and EDX analysis of the BCFNO and BSCFO membranes indicated that no segregation of metal ions was found for the used BCFNO membrane while the original perovskite phase of BSCFO decomposed under the experimental condition. The experimental results of oxygen permeability and stability were consistent with the analysis on the oxygen sorption property of perovskites. | Zhang, Yuwen Liu, Yong Wang, Chenglei Yang, Zhibin Ding, Weizhong Lu, Xionggang | 2009 | Rare Metals2009，28，2： | 2 |
| 9 | Expressive line drawings of human faces from range images显示文摘We propose a novel technique to extract features from a range image and use them to produce a 3D pen-and-ink style portrait similar to a traditional artistic drawing. Unlike most previous template-based,component-based or example-based face sketching methods,which work from a frontal photograph as input,our system uses a range image as input. Our method runs in real-time for models of moderate complexity,allowing the pose and drawing style to be modified interactively. Portrait drawing in our system makes use of occluding contours and suggestive contours as the most important shape cues. However,current 3D feature line detection methods require a smooth mesh and cannot be reliably applied directly to noisy range images. We thus present an improved silhouette line detection algorithm. Feature edges related to the significant parts of a face are extracted from the range image,connected,and smoothed,allowing us to construct chains of line paths which can then be rendered as desired. We also incorporate various portrait-drawing principles to provide several simple yet effective non-photorealistic portrait renderers such as a pen-and-ink shader,a hatch shader and a sketch shader. These are able to generate various life-like impressions in different styles from a user-chosen viewpoint. To obtain satisfactory results,we refine rendered output by smoothing changes in line thickness and opacity. We are careful to provide appropriate visual cues to enhance the viewer’s comprehension of the human face. Our experimental results demonstrate the robustness and effectiveness of our approach,and further suggest that our approach can be extended to other 3D geometric objects. | HUANG YueZhu MARTIN Ralph R. ROSIN Paul L. MENG XiangXu YANG ChengLei | 2009 | Science in China(Series F)2009，52，2： | 2 |
| 10 | Characterization of oogonia stem cells in mice by Fragilis显示文摘Dear Editor,Identification of oogonia stem cells would have great potentials in infertility treatment and fertility preservation.Here we tested whether Fragilis/lfitm3 can identify oogonia stem cells in fetal mouse ovaries and their molecular features,if it can,and whether the oogonia stem cells marked by Fragilis can be found in the postnatal ovaries. | Xiaoyan Sheng Chenglei Tian Linlin Liu Lingling Wang Xiaoying Ye Jie Li Ming Zeng Lin Liu | 2019 | Protein & Cell2019，10，11： | 2 |
| 11 | Characteristics of the electrode melting phenomena in narrow gap MAG high-rotating-speed arc welding显示文摘The influence of rotating speed on metal transfer and the wire metal speed was studied in the high rotating speed arc narrow gap welding.The results indicate that the high rotating speed arc has benefit on the metal transfer,and that with the rotating speed increasing,the droplet volume decreases.It is shown that the rotating speed has little influence on the wire metal speed with DC electrode positive polarity(DCEP),but the melting speed decreases with increasing of rotating speed in DC electrode negative polarity(DCEN). | ZHAO Bo,FAN Chenglei,and YANG Chunli State Key Laboratory of Advanced Welding Production Technology,Harbin Institute of Technology,Harbin 150001,China | 2007 | Rare Metals2007，26，S1： | 2 |
| 12 | Application of four-layer neural network on information extraction显示文摘 | CHENGLEI MENGTHUA | 2003 | Neural Networks2003，16，5： | 1 |
| 13 | Microstructure Evolutions and Properties of Al-Cu Alloy Joint in the Pulsed Power Ultrasonic-Assisted GMAW显示文摘The pulsed power ultrasonic-assisted gas metal arc welding(PU-GMAW)is a new development hybrid welding method.The influences of the pulsed power ultrasonic on the microstructure evolution of the welded joint of Al-Cu alloy were investigated by using scanning electron microscopy,transmission electron microscope and electron back scattering diffraction.The results showed that the efficient heat input in the PU-GMAW was increased by above 100%compared with the traditional GMAW.The grain and eutectic of the PU-GMAW weld seam were refined compared with that of the GMAW.Cavitation and acoustic streaming induced the dendrite fragmentation(α-Al)and heterogeneous nucleation,which were the main reasons for the grain refinement.The microhardness of the PU-GMAW welded joint was improved compared with that of the GMAW owing to the change of the eutectic and grain. | Chao Chen Chenglei Fan Zeng Liu Xiaoyu Cai Sanbao Lin Yimin Zhuo | 2020 | Acta Metallurgica Sinica(English Letters)2020，33，10： | 1 |
| 14 | Generation of developmentally competent oocytes and fertile mice from parthenogenetic embryonic stem cells显示文摘Parthenogenetic embryos,created by activation and diploidization of oocytes,arrest at mid-gestation for defective paternal imprints,which impair placental development.Also,viable offspring has not been obtained without genetic manipulation from parthenogenetic embryonic stem cells(pESCs)derived from parthenogenetic embryos,presumably attributable to their aberrant imprinting.We show that an unlimited number of oocytes can be derived from pESCs and produce healthy offspring.Moreover,normal expression of imprinted genes is found in the germ cells and the mice.pESCs exhibited imprinting consistent with exclusively maternal lineage,and higher X-chromosome activation compared to female ESCs derived from the same mouse genetic background.pESCs differentiated into primordial germ cell-like cells(PGCLCs)and formed oocytes following in vivo transplantation into kidney capsule that produced fertile pups and reconstituted ovarian endocrine function.The transcriptome and methylation of imprinted and X-linked genes in pESC-PGCLCs closely resembled those of in vivo produced PGCs,consistent with efficient reprogramming of methylation and genomic imprinting.These results demonstrate that amplification of germ cells through parthenogenesis faithfully maintains maternal imprinting,offering a promising route for deriving functional oocytes and having potential in rebuilding ovarian endocrine function. | Chenglei Tian Linlin Liu Ming Zeng Xiaoyan Sheng Dai Heng Lingling Wang Xiaoying Ye David L.Keefe Lin Liu | 2021 | Protein & Cell2021，12，12： | 1 |
| 15 | Coaxial moni- toring of the fibre laser lap welding of Zn-coated steel sh- eets using an auxiliary illuminant显示文摘 | Yi Zhang Chenglei Zhang LipengTan | 2013 | Optics&Laser Techno- logy2013，，50： | 1 |
| 16 | An electrochemical membrane reactor for a recycled FGD process显示文摘 | Ying Hu Chenglei Yang Limei Cao Ji Yang | 2013 | Chemical Engineering Journal2013，，： | 1 |
| 17 | Correction to:Characterization of oogonia stem cells in mice by Fragilis显示文摘Figure 2.Neo-meiosis and functional test of oocytes developed from Fragilis*cells.(A)Immunofluorescenee of SCP1(red)and SCP3(green,appear as yellowish by merge with SCP1)showing pachytene spread of E12.5 Fragilis*cells obtained from aggregates with fetal E12.5 somatic cells 6 days following transplantation,compared with those of E17.5 ovaries.Right panel,Percentage of synaptonemal complex elements based on count of spread at pachytene(n-22).Scale bar=5 pm.(B)Representative immunofluorescence of MLH1 foci at pachytene stage by co-immunostaining of SCP3(red)and MLH1(green).Right panel,Statistics of MLH1 foci represents 20 spread per each group. | Xiaoyan Sheng Chenglei Tian Linlin Liu Lingling Wang Xiaoying Ye Jie Li Ming Zeng Lin Liu | 2020 | Protein & Cell2020，11，12： | 1 |
| 18 | IL-6R blockade by chikusetsusaponin IVa butyl ester inhibits Th17 cell differentiation and ameliorates collagen-induced arthritis显示文摘Interleukin(IL)-6 is central to the pathogenesis of rheumatoid arthritis(RA).1 IL-6 receptor(IL-6R)blockade is an effective treatment strategy for RA based on the clinical efficacy of tocilizumab.However,serious infections are the most frequent adverse events associated with long-term monotherapy with tocilizumab,an exogenous biomacromolecule.2 Novel small-molecule IL-6R inhibitors with fewer deleterious side effects could therefore have potential as RA treatments.We previously identified chikusetsusaponin IVa butyl ester(CS)as a natural small-molecule IL-6R antagonist.3 Here,we assessed the effects of CS on a mouse model of collagen-induced arthritis(CIA)to evaluate its therapeutic potential against RA.The results showed that CS ameliorated arthritis in CIA mice by inhibiting T-helper 17(Th17)cell differentiation and could serve as a novel agent for treating RA. | Jie Yang Yuanyuan Ling Di Hua Chenglei Zhao Xiaoyan Sun Xueting Cai Jiao Chen Chunping Hu Peng Cao | 2021 | Cellular & Molecular Immunology2021，18，6： | 1 |
| 19 | Designing and deploying a mixed-reality aquarium for cognitive training of young children with autism spectrum disorder显示文摘Autism spectrum disorder(ASD),a developmental disorder severely affecting cognition and social behavior,is increasing in prevalence[1].This increasing trend is especially severe in children,making the early intervention crucial to ASD treatment.Children with ASD have been found impairments in several aspects of cognition functions. | Juan LIU Yulong BIAN Yanran YUAN Yuting XI Wenxiu GENG Xinpei JIN Wei GAI Xiangmin FAN Feng TIAN Xiangxu MENG Chenglei YANG | 2021 | Science China(Information Sciences)2021，64，5： | 1 |
| 20 | Application of four-layer neural network on information extraction显示文摘 | ChengLei MengHua | 2003 | Neural Networks2003，16，5： | 1 |
您所在的机构暂未开通此部分的功能，请联系管理员