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作品数:115被引量:260H指数:8
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相关领域:自动化与计算机技术更多>>
相关机构:北京大学更多>>
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相关基金:国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家教育部博士点基金更多>>
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Aerodynamic, Kinematic and Control Coupling Simulation of Aircraft Maneuvering Flight
《World Journal of Engineering and Technology》2024年第4期1126-1145,共20页Haohui Tang Shuanghou Deng 
Aiming at the high angle of attack pull-up and multi-channel roll pull-up coupling problems of high maneuvering aircraft, this paper establishes the flight attitude control rate by means of unsteady flow numerical sol...
关键词:High Angle of Attack Pull-Up High Maneuvering Aircraft Flight Attitude Control Rate Dynamic Unstructured Nested Mesh Virtual Flight Simula-tion Platform 
User Profile & Attitude Analysis Based on Unstructured Social Media and Online Activity
《Journal of Software Engineering and Applications》2024年第6期463-473,共11页Yuting Tan Vijay K. Madisetti 
As social media and online activity continue to pervade all age groups, it serves as a crucial platform for sharing personal experiences and opinions as well as information about attitudes and preferences for certain ...
关键词:Social Media User Behavior Analysis Sentiment Analysis Data Mining Machine Learning User Profiling CYBERSECURITY Behavioral Insights Personality Prediction 
Unstructured Big Data Threat Intelligence Parallel Mining Algorithm
《Big Data Mining and Analytics》2024年第2期531-546,共16页Zhihua Li Xinye Yu Tao Wei Junhao Qian 
To efficiently mine threat intelligence from the vast array of open-source cybersecurity analysis reports on the web,we have developed the Parallel Deep Forest-based Multi-Label Classification(PDFMLC)algorithm.Initial...
关键词:unstructured big data mining parallel deep forest multi-label classification algorithm threat intelligence 
Unstructured Road Extraction in UAV Images based on Lightweight Model
《Chinese Journal of Mechanical Engineering》2024年第2期372-384,共13页Di Zhang Qichao An Xiaoxue Feng Ronghua Liu Jun Han Feng Pan 
Supported by National Natural Science Foundation of China(Grant Nos.62261160575,61991414,61973036);Technical Field Foundation of the National Defense Science and Technology 173 Program of China(Grant Nos.20220601053,20220601030)。
There is no unified planning standard for unstructured roads,and the morphological structures of these roads are complex and varied.It is important to maintain a balance between accuracy and speed for unstructured roa...
关键词:Unstructured road Lightweight model Triple Multi-Block(TMB) Semantic segmentation net 
Multitarget Flexible Grasping Detection Method for Robots in Unstructured Environments
《Computer Modeling in Engineering & Sciences》2023年第11期1825-1848,共24页Qingsong Fan Qijie Rao Haisong Huang 
supported in part by the National Natural Science Foundation of China(No.52165063);Guizhou Provincial Science and Technology Projects(Qiankehepingtai-GCC[2022]006-1,Qiankehezhicheng[2021]172,[2021]397,[2021]445,[2022]008,[2022]165);Natural Science Research Project of Guizhou Provincial Department of Education(Qianjiaoji[2022]No.436);Guizhou Province Graduate Research Fund(YJSCXJH[2021]068).
In present-day industrial settings,where robot arms performtasks in an unstructured environment,theremay exist numerousobjects of various shapes scattered in randompositions,making it challenging for a robot armtoprec...
关键词:Unstructured scene ROBOT target detection grab pose detection deep learning 
A Well-Balanced FVC Scheme for 2D Shallow Water Flows on Unstructured Triangular Meshes
《Advances in Applied Mathematics and Mechanics》2023年第5期1335-1378,共44页Moussa Ziggaf Imad Kissami Mohamed Boubekeur Fayssal Benkhaldoun 
supported by the HPC Project Alkhwarizmi department,MSDA-UM6P.
This paper aims to present a new well-balanced,accurate and fast finite volume scheme on unstructured grids to solve hyperbolic conservation laws.It is a scheme that combines both finite volume approach and characteri...
关键词:Shallow water model method of characteristics FVC scheme finite volume method well-balanced scheme 
Contact detection with multi-information fusion for quadruped robot locomotion under unstructured terrain
《Frontiers of Mechanical Engineering》2023年第3期145-164,共20页Yangyang HAN Zhenyu LU Guoping LIU Huaizhi ZONG Feifei ZHONG Shengyun ZHOU Zekang CHEN 
supported by the National Natural Science Foundation of China(Grant Nos.52205059 and 52175050);the Graduate Innovation Special Fund Project of Jiangxi Province,China(Grant No.YC2021-B031).
Reliable foot-to-ground contact state detection is crucial for the locomotion control of quadruped robots in unstructured environments.To improve the reliability and accuracy of contact detection for quadruped robots,...
关键词:multi-information fusion contact detection quadruped robot probabilistic contact model unstructured terrain 
A multi-enterprise quality function deployment paradigm with unstructured decision-making in linguistic contexts被引量:2
《Journal of Systems Engineering and Electronics》2023年第4期966-980,共15页PENG Jian’gang XIA Guang SUN Baoqun WANG Shaojie 
supported by the National Key Research and Development Program of China(2016YFD0700605);the National Natural Science Foundation of China(51875151);Hefei Municipal Natural Science Foundation(2021029)。
This paper presents an operational framework of unstructured decision-making approach involving quality function deployment(QFD)in an uncertain linguistic context.Firstly,QFD is extended to the multi-enterprise paradi...
关键词:DECISION-MAKING quality function deployment(QFD) UNCERTAINTY fuzzy set 
CPG Modulates the Omnidirectional Motion of a Hexapod Robot in Unstructured Terrain被引量:1
《Journal of Bionic Engineering》2023年第2期558-567,共10页Wei Zhang Qingshuo Gong Haoyu Yang Yejing Tang 
the National Natural Science Foundation of China No.E1102/52071108;National Defense Science and Industry Bureau Stability Support Project No.JCKYS2020SXJQR-04;Natural Science Foundation of Heilongjiang Province No.JJ2021JQ0075.
Freely shuttling in complex terrain is a basic skill of multi-legged animals.To make the hexapod robot have omnidirectional motion ability by controlling only one parameter,this paper uses the motion control method ba...
关键词:Bionic Robot Central Pattern Generator(CPG) Omnidirectional Gait Unstructured Terrain 
Exploring influential factors and endogeneity of traffic flow of different lanes on urban freeways using Bayesian multivariate spatial models被引量:2
《Journal of Traffic and Transportation Engineering(English Edition)》2023年第1期104-115,共12页Yongping Zhang Gurdiljot Singh Gill Wen Cheng Paulina Reina Mankirat Singh 
Support for this study was provided by California Department of Transportation(Caltrans,No.65A0705)。
The traffic flow pertinent modelling is essential for distinct strategy formulations.However,the present literature illustrated some needed improvements for such models,especially those related to lane-specific flow.G...
关键词:Spatial interdependency Structured and unstructured random effects Multivariate specification ENDOGENEITY Traffic flow 
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