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Wang LIU, Jiabo ZHANG, Zhen HUANG, Dong HAN
《能源前沿(英文)》 2019年 第13卷 第2期 页码 367-376 doi: 10.1007/s11708-018-0584-9
关键词: ignition delay random sampling high dimensional model representation n-heptane fuel kinetics
Standard model of knowledge representation
Wensheng YIN
《机械工程前沿(英文)》 2016年 第11卷 第3期 页码 275-288 doi: 10.1007/s11465-016-0372-3
Knowledge representation is the core of artificial intelligence research. Knowledge representation methods include predicate logic, semantic network, computer programming language, database, mathematical model, graphics language, natural language, etc. To establish the intrinsic link between various knowledge representation methods, a unified knowledge representation model is necessary. According to ontology, system theory, and control theory, a standard model of knowledge representation that reflects the change of the objective world is proposed. The model is composed of input, processing, and output. This knowledge representation method is not a contradiction to the traditional knowledge representation method. It can express knowledge in terms of multivariate and multidimensional. It can also express process knowledge, and at the same time, it has a strong ability to solve problems. In addition, the standard model of knowledge representation provides a way to solve problems of non-precision and inconsistent knowledge.
关键词: knowledge representation standard model ontology system theory control theory multidimensional representation
Xin ZHANG, Tao HUANG, Bo WU, Youmin HU, Shuai HUANG, Quan ZHOU, Xi ZHANG
《机械工程前沿(英文)》 2021年 第16卷 第2期 页码 340-352 doi: 10.1007/s11465-021-0629-3
关键词: fault intelligent diagnosis deep learning deep convolutional neural network high-dimensional samples
Fictitious soil pile model for dynamic analysis of pipe piles under high-strain conditions
《结构与土木工程前沿(英文)》 页码 915-934 doi: 10.1007/s11709-023-0907-8
关键词: fictitious soil pile soil plug pipe piles high-strain dynamic analysis one-dimensional wave theory pile dynamics
Design and calibration of a new high-definition three-dimensional laparoscopic system
Jia TANG,Li-qiang WANG,Bo YUAN,Hong JIANG,Qi-ming ZHU
《信息与电子工程前沿(英文)》 2015年 第16卷 第1期 页码 79-84 doi: 10.1631/FITEE.1400149
关键词: Dual optical channels Three dimensional Camera calibration Pinhole model Depth measurement Laparoscopic system
《机械工程前沿(英文)》 2022年 第17卷 第3期 doi: 10.1007/s11465-022-0688-0
关键词: precision milling dimensional accuracy cutting force convolutional neural networks coherent noise
Yang Jiao, Zhan Zhang, Ting Zhang, Wen Shi, Yan Zhu, Jie Hu, Qin Zhang
《医学前沿(英文)》 2020年 第14卷 第4期 页码 488-497 doi: 10.1007/s11684-020-0762-0
关键词: knowledge representation uncertain causality graphical model artificial intelligence diagnosis dyspnea
《能源前沿(英文)》 2023年 第17卷 第5期 页码 569-584 doi: 10.1007/s11708-023-0875-7
关键词: lithium (Li)-ion battery (LIB) Li metal battery three-dimensional (3D) composite Li metal anode mechanical modification reducing local current density
李德毅
《中国工程科学》 2000年 第2卷 第10期 页码 73-79
知识表示一直是人工智能研究中的一个瓶颈,其难点在于知识中隐含有不确定性,即模糊性和随机性。文章提出用云模型3个数字特征(期望值,熵,超熵)来描述一个定性概念,用熵来关联模糊性和随机性。代表定性概念的云的某一次定量值,被称为云滴,可以用它对此概念的贡献度来衡量,许许多多云滴构成云,实现定性和定量之间的随时转换,反映了知识表示中的不确定性。论文以此对我国农历24个节气进行了新的量化解释。云方法已经用于数据开采、智能控制、跳频电台和大系统效能评估中,取得明显的效果。
基于增益调度控制和高保真飞机模型的实时四维轨迹生成 Article
Olusayo Obajemu, Mahdi Mahfouf, Lohithaksha M. Maiyar, Abrar Al-Hindi, Michal Weiszer, Jun Chen
《工程(英文)》 2021年 第7卷 第4期 页码 495-506 doi: 10.1016/j.eng.2021.01.009
Aircraft ground movement plays a key role in improving airport efficiency, as it acts as a link to all other ground operations. Finding novel approaches to coordinate the movements of a fleet of aircraft at an airport in order to improve system resilience to disruptions with increasing autonomy is at the center of many key studies for airport airside operations. Moreover, autonomous taxiing is envisioned as a key component in future digitalized airports. However, state-of-the-art routing and scheduling algorithms for airport ground movements do not consider high-fidelity aircraft models at both the proactive and reactive planning phases. The majority of such algorithms do not actively seek to optimize fuel efficiency and reduce harmful greenhouse gas emissions. This paper proposes a new approach for generating efficient four-dimensional trajectories (4DTs) on the basis of a high-fidelity aircraft model and gainscheduling control strategy. Working in conjunction with a routing and scheduling algorithm that determines the taxi route, waypoints, and time deadlines, the proposed approach generates fuel-efficient 4DTs in real time, while respecting operational constraints. The proposed approach can be used in two contexts: ① as a reactive decision support tool to generate new trajectories that can resolve unprecedented events; and ② as an autopilot system for both partial and fully autonomous taxiing. The proposed methodology is realistic and simple to implement. Moreover, simulation studies show that the proposed approach is capable of providing an up to 11% reduction in the fuel consumed during the taxiing of a large Boeing 747 jumbo jet.
关键词: Aircraft model Intelligent taxiing Optimization Four-dimensional trajectory
A two-dimensional numerical model for eutrophication in Baiyangdian Lake
Xudong WANG, Shushen ZHANG, Suling LIU, Jingwen CHEN
《环境科学与工程前沿(英文)》 2012年 第6卷 第6期 页码 815-824 doi: 10.1007/s11783-011-0383-6
关键词: eutrophication eco-dynamics hydrodynamics improved Water Quality Analysis Simulation Program (WASP) model Baiyangdian Lake
Two-dimensional SnS2 nanosheets on Prussian blue template for high performance sodium ion batteries
Glenn J. Sim, Kakui Ma, Zhixiang Huang, Shaozhuan Huang, Ye Wang, Huiying Yang
《化学科学与工程前沿(英文)》 2019年 第13卷 第3期 页码 493-500 doi: 10.1007/s11705-019-1826-z
关键词: Prussian blue carbon nanocubes tin disulfide sodium ion batteries
丁道扬,吴时强
《中国工程科学》 2010年 第12卷 第2期 页码 32-39
针对宽浅河道水流的特点,建立了一个基于分层积分降维数值解法的三维浅水紊流数值模型。通过对弯道水流的验证计算,其计算成果和试验值能较好地吻合。笔者等建立的数学摸型特别适合用来解决宽浅河道及河口水流问题。
Three-dimensional numerical modeling of single geocell-reinforced sand
Xiaoming YANG, Jie HAN, Robert L. PARSONS, Dov LESHCHINSKY,
《结构与土木工程前沿(英文)》 2010年 第4卷 第2期 页码 233-240 doi: 10.1007/s11709-010-0020-7
关键词: geosynthetic reinforcement geocell numerical model FLAC3D
Development of an analytical model to estimate the churning losses in high-speed axial piston pumps
《机械工程前沿(英文)》 2022年 第17卷 第2期 doi: 10.1007/s11465-021-0671-1
关键词: axial piston pump rotating parts high rotational speed churning losses drag torque
标题 作者 时间 类型 操作
Applicability of high dimensional model representation correlations for ignition delay times of n-heptane
Wang LIU, Jiabo ZHANG, Zhen HUANG, Dong HAN
期刊论文
Multi-model ensemble deep learning method for intelligent fault diagnosis with high-dimensional samples
Xin ZHANG, Tao HUANG, Bo WU, Youmin HU, Shuai HUANG, Quan ZHOU, Xi ZHANG
期刊论文
Design and calibration of a new high-definition three-dimensional laparoscopic system
Jia TANG,Li-qiang WANG,Bo YUAN,Hong JIANG,Qi-ming ZHU
期刊论文
A hybrid deep learning model for robust prediction of the dimensional accuracy in precision milling of
期刊论文
Development of an artificial intelligence diagnostic model based on dynamic uncertain causality graph
Yang Jiao, Zhan Zhang, Ting Zhang, Wen Shi, Yan Zhu, Jie Hu, Qin Zhang
期刊论文
Three-dimensional composite Li metal anode by simple mechanical modification for high-energy batteries
期刊论文
基于增益调度控制和高保真飞机模型的实时四维轨迹生成
Olusayo Obajemu, Mahdi Mahfouf, Lohithaksha M. Maiyar, Abrar Al-Hindi, Michal Weiszer, Jun Chen
期刊论文
A two-dimensional numerical model for eutrophication in Baiyangdian Lake
Xudong WANG, Shushen ZHANG, Suling LIU, Jingwen CHEN
期刊论文
Two-dimensional SnS2 nanosheets on Prussian blue template for high performance sodium ion batteries
Glenn J. Sim, Kakui Ma, Zhixiang Huang, Shaozhuan Huang, Ye Wang, Huiying Yang
期刊论文
Three-dimensional numerical modeling of single geocell-reinforced sand
Xiaoming YANG, Jie HAN, Robert L. PARSONS, Dov LESHCHINSKY,
期刊论文