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Ahmad MOZAFFARI,Mahyar VAJEDI,Nasser L. AZAD
《机械工程前沿(英文)》 2015年 第10卷 第2期 页码 154-167 doi: 10.1007/s11465-015-0336-z
The main proposition of the current investigation is to develop a computational intelligence-based framework which can be used for the real-time estimation of optimum battery state-of-charge (SOC) trajectory in plug-in hybrid electric vehicles (PHEVs). The estimated SOC trajectory can be then employed for an intelligent power management to significantly improve the fuel economy of the vehicle. The devised intelligent SOC trajectory builder takes advantage of the upcoming route information preview to achieve the lowest possible total cost of electricity and fossil fuel. To reduce the complexity of real-time optimization, the authors propose an immune system-based clustering approach which allows categorizing the route information into a predefined number of segments. The intelligent real-time optimizer is also inspired on the basis of interactions in biological immune systems, and is called artificial immune algorithm (AIA). The objective function of the optimizer is derived from a computationally efficient artificial neural network (ANN) which is trained by a database obtained from a high-fidelity model of the vehicle built in the Autonomie software. The simulation results demonstrate that the integration of immune inspired clustering tool, AIA and ANN, will result in a powerful framework which can generate a near global optimum SOC trajectory for the baseline vehicle, that is, the Toyota Prius PHEV. The outcomes of the current investigation prove that by taking advantage of intelligent approaches, it is possible to design a computationally efficient and powerful SOC trajectory builder for the intelligent power management of PHEVs.
关键词: trip information preview intelligent transportation state-of-charge trajectory builder immune systems artificial neural network
张自成,朱伏先
《中国工程科学》 2014年 第16卷 第2期 页码 46-52
本文首次将趋于成熟的相变诱发塑性钢(TRIP 钢)生产技术应用到钢管的生产领域,以冷拔钢管为原料,分别利用两阶段热处理和连续热处理两种方式成功开发出具有铁素体、贝氏体、残余奥氏体和少量马氏体组织的薄壁TRIP 钢无缝管,并利用环形拉伸以及冷弯等试验手段对其成形性能进行了试验研究。研究结果表明,TRIP 钢无缝管具有较好的冷成形性能,可以在内高压成形等领域推广应用。另外,课题组开发的连续热处理设备完全可以用来生产TRIP钢管,为未来工业生产提供了重要参考。
张维娜,刘振宇,王国栋
《中国工程科学》 2014年 第16卷 第1期 页码 40-47
综述了近来年高锰孪晶诱发塑性/相变诱发塑性(TWIP/TRIP)钢的研究进展和实际应用情况。介绍了晶粒尺寸对TWIP钢变形机制的影响,观察了形变孪晶随晶粒尺寸变化的演变过程。简述了碳化钒(VC)沉淀粒子对高锰TWIP/TRIP 钢延迟断裂及加工硬化行为的影响,并对VC沉淀粒子与形变孪晶的交互作用机制进行了探讨。阐述了双辊铸轧工艺制备高锰TWIP/TRIP钢薄带的近终成型工艺过程及显微组织的演变机理,并探讨了工程应用的前景。
关键词: 高锰TWIP/TRIP钢 薄带铸轧 变形机制 形变诱导马氏体 形变孪晶
Xuzhan ZHOU,Shanshan LIU,Mingkun WANG,Yiping DAI,Yaohua TANG
《能源前沿(英文)》 2014年 第8卷 第3期 页码 386-393 doi: 10.1007/s11708-014-0323-9
关键词: high voltage (HV) grid frequency stability parameter identification primary frequency regulation (PFR)
Berardo NATICCHIA, Alessandra CORNELI, Alessandro CARBONARI
《工程管理前沿(英文)》 2020年 第7卷 第1期 页码 131-141 doi: 10.1007/s42524-019-0071-y
关键词: information flow management BIM mixed reality common data environment facility management
Hong-feng Chai,Quan Sun
《工程管理前沿(英文)》 2016年 第3卷 第4期 页码 404-413 doi: 10.15302/J-FEM-2016037
关键词: financial information system meta-synthesis methodology bank card information exchange
New method of fault diagnosis of rotating machinery based on distance of information entropy
Houjun SU, Tielin SHI, Fei CHEN, Shuhong HUANG
《机械工程前沿(英文)》 2011年 第6卷 第2期 页码 249-253 doi: 10.1007/s11465-011-0124-3
This paper introduces the basic conception of information fusion and some fusion diagnosis methods commonly used nowadays in rotating machinery. From the thought of the information fusion, a new quantitative feature index monitoring and diagnosing the vibration fault of rotating machinery, which is called distance of information entropy, is put forward on the basis of the singular spectrum entropy in time domain, power spectrum entropy in frequency domain, wavelet energy spectrum entropy, and wavelet space feature entropy in time-frequency domain. The mathematic deduction suggests that the conception of distance of information entropy is accordant with the maximum subordination principle in the fuzzy theory. Through calculation it has been proved that this method can effectively distinguish different fault types. Then, the accuracy of rotor fault diagnosis can be improved through the curve chart of the distance of information entropy at multi-speed.
关键词: rotating machinery information fusion fault diagnosis Information entropy distance of the information entropy
Owner-dominated building information modeling and lean construction in a megaproject
Mingyue LI, Zhuoling MA, Xi TANG
《工程管理前沿(英文)》 2021年 第8卷 第1期 页码 60-71 doi: 10.1007/s42524-019-0042-3
关键词: building information modeling lean construction airports project management
Relationship between Chief Executive Officer characteristics and corporate environmental information
Dayuan LI, Aiqi LIN, Lu ZHANG
《工程管理前沿(英文)》 2019年 第6卷 第4期 页码 564-574 doi: 10.1007/s42524-019-0067-7
关键词: CEO characteristics environmental information disclosure Thailand
杨启亮,邢建春
《中国工程科学》 2023年 第25卷 第5期 页码 222-232 doi: 10.15302/J-SSCAE-2023.07.027
信息系统动力学的基础和应用 Article
许建峰, 刘振宇, 王树良, 郑涛, 王雅实, 王赢飞, 党迎旭
《工程(英文)》 2023年 第27卷 第8期 页码 254-265 doi: 10.1016/j.eng.2022.04.018
Although numerous advances have been made in information technology in the past decades, there is still a lack of progress in information systems dynamics (ISD), owing to the lack of a mathematical foundation needed to describe information and the lack of an analytical framework to evaluate information systems. The value of ISD lies in its ability to guide the design, development, application, and evaluation of large-scale information system-of-systems (SoSs), just as mechanical dynamics theories guide mechanical systems engineering. This paper reports on a breakthrough in these fundamental challenges by proposing a framework for information space, improving a mathematical theory for information measurement, and proposing a dynamic configuration model for information systems. In this way, it establishes a basic theoretical framework for ISD. The proposed theoretical methodologies have been successfully applied and verified in the Smart Court SoSs Engineering Project of China and have achieved significant improvements in the quality and efficiency of Chinese court informatization. The proposed ISD provides an innovative paradigm for the analysis, design, development, and evaluation of large-scale complex information systems, such as electronic government and smart cities.
关键词: System-of-systems engineering Information theory Information measurement Information systems dynamics Judicial informatization
标题 作者 时间 类型 操作
Real-time immune-inspired optimum state-of-charge trajectory estimation using upcoming route informationpreview and neural networks for plug-in hybrid electric vehicles fuel economy
Ahmad MOZAFFARI,Mahyar VAJEDI,Nasser L. AZAD
期刊论文
Parameter identification of interconnected power system frequency after trip-out of high voltage transmission
Xuzhan ZHOU,Shanshan LIU,Mingkun WANG,Yiping DAI,Yaohua TANG
期刊论文
Framework based on building information modeling, mixed reality, and a cloud platform to support information
Berardo NATICCHIA, Alessandra CORNELI, Alessandro CARBONARI
期刊论文
Research on the Giant and Complex Financial Information System Engineering Management from the Perspectiveof Meta-synthesis Methodology—with the Bank Card Information Exchange System Engineering as a Sample
Hong-feng Chai,Quan Sun
期刊论文
New method of fault diagnosis of rotating machinery based on distance of information entropy
Houjun SU, Tielin SHI, Fei CHEN, Shuhong HUANG
期刊论文
Owner-dominated building information modeling and lean construction in a megaproject
Mingyue LI, Zhuoling MA, Xi TANG
期刊论文
Relationship between Chief Executive Officer characteristics and corporate environmental information
Dayuan LI, Aiqi LIN, Lu ZHANG
期刊论文