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ADRC based freeway traffic density control via ramp metering

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ADRC based freeway traffic density control via ramp metering

2011 chinese Control and Decision Conference（CCDC）

作者： Ronghu Chi and Jia Li are with the school of Automation and Electrical Engineering,Qingdao University of Science and Technology,Qingdao 266042,PRC.Shangtai Jin and Zhongsheng Hou are with Advanced Control Systems Lab,school of Electronics & Information Engineering,beijing Jiaotong University,beijing 100044,PRC

Based on the idea of the active disturbance rejection control （ADRC）,a novel freeway traffic density control scheme is developed via ramp *** the designed tracking differentiator （TD） of ADRC,we can arrange a transition process to avoid system overshoot,and by designing an extended state observer （ESO） of ADRC,the state variables and comprehensive disturbances can be estimated and *** a result,the ADRC can produce the on-ramp entering traffic flow to realize the desired traffic density without requring any information about the freeway traffic ***,the capability and feasibility of the proposed ADRC is tested by some simulations.

关键词： Active disturbance rejection control (ADRC) Traffic density control Macroscopic traffic flow Ramp metering

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罗马平民保民官制度的现代性启示

通化师范学院学报 2009年第9期30卷 47-50页

作者：汪志飞中共中央党校研究生院北京100091

罗马共和时期设立了平民保民官,其在保护平民阶层利益方面发挥了重要作用,在现代社会仍然具有丰富的启示。当前我国人民群众内部有利益多元之势,中国共产党可以通过设立类似人民监督委员会的党内组织,为人民群众与党的充分沟通开辟制度... 详细信息

罗马共和时期设立了平民保民官,其在保护平民阶层利益方面发挥了重要作用,在现代社会仍然具有丰富的启示。当前我国人民群众内部有利益多元之势,中国共产党可以通过设立类似人民监督委员会的党内组织,为人民群众与党的充分沟通开辟制度性渠道,从而使党始终代表最广大人民群众的根本利益。设立人民监督委员会是对西方多党制的超越,可以综合专门监督和分散监督的优势,其结果必然会巩固党的执政地位。人民监督委员会的设立需要从其性质、层次、资格、产生、职责、任期、运作程序、履职保障等方面加以研究。

关键词：保民官执政党人民监督委员会

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Structural and optical properties of non-polar （110） ZnO films grown by P-MBE

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Structural and optical properties of non-polar （110） ZnO...

第六届国际氧化锌及相关材料研讨会

作者： F. J. Liu 1R. Zhang 2 Z. F. Hu 1 J. Sun 1 H. Q. Huang 1 J. W. Zhao 1 P. G. Yin 3 L. Guo 3 X. Q. Zhang 1 1Key Laboratory of Luminescence and Optical Information Ministry of Education Institute of Optoelectronic Technology beijing Jiaotong University beijing 100044 People’s Republic of china 2Center of Conservation and Restoration Capital Museum beijing 100045 People’s Republic of china 3school of Chemistry and Environment beijing University of Aeronautics and Astronautics beijing 100191 People’s Republic of china

＜正＞Zinc oxide is a very potential functional material not only because of its wide direct band gap but also due to its well piezoelectric property. These properties can be used in realizing many ultraviolet optoele...

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奥林匹克精神与现代和谐家庭关系构建

体育科技 2006年第2期27卷 5-8页

作者：李慧林王润斌北京体育大学研究生院北京体育大学研究生院北京100084

在举国上下共建社会主义和谐社会的新形势下,利用北京奥运会的影响与魅力,弘扬奥运、宣传奥运,把奥林匹克运动所倡导的互相理解、友谊、团结和公平竞争的精神运用到建设和谐家庭关系中,把夫妻关系、亲子关系、赡养关系建立成为理解、友... 详细信息

在举国上下共建社会主义和谐社会的新形势下,利用北京奥运会的影响与魅力,弘扬奥运、宣传奥运,把奥林匹克运动所倡导的互相理解、友谊、团结和公平竞争的精神运用到建设和谐家庭关系中,把夫妻关系、亲子关系、赡养关系建立成为理解、友谊、团结的亲情关系。

关键词：奥林匹克精神和谐家庭

SYNTHESIS N-PHOSPHORYLATED CHRYSIN-7.YL AMINO ACID ESTERS

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SYNTHESIS N-PHOSPHORYLATED CHRYSIN-7-YL AMINO ACID ESTERS

第17.国际磷化学大会

作者： Li Wenfeng1 Chen Xiaolan1 Yuan Jinwei1 Qu Lingbo1 2 Zhao Yufen1 3 1 Department of Chemistry Zhengzhou University Zhengzhou 450052 P. R. china 2 Anyang Normal College Henan Province Anyang 455002 P. R. china 1 3The Key Laboratory for Bioorganic Phosphorus Chemistry Department of Chemistry school Life sciences and Engineering Tsinghua University beijing 10084 P. R. china

＜正＞Chrysin, 5,7.dihydroxyflavone, which is widely distributed in plants, is known to have many biological activities including antibacterial, antioxidant, anti-inflammatory, anti-allergic, anticancer,

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对称四极电测深的正演滤波系数

物探与化探 1985年第6期 421-425页

作者：李金铭赵改善武汉地质学院北京研究生部

本文介绍了计算对称四极电测深滤波系数的最小二乘法,并给出了两组偏心率(MN/AB)分别为1/8和1/5的正演滤波系数.取样间隔都为0.6,前者共15个系数,后者共13个系数.本文还说明了滤波器的精度和考虑测量极距大小的必要性.

关键词：对称四极正演 MN 偏心率滤波系数电测深

The exact theory of plane problems for piezoelectric media

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The exact theory of plane problems for piezoelectric media

2011年全国压电和声波理论及器件应用研讨会

作者： Yang GAO~(1,*) Bao-Sheng ZHAO~2 1 College of Science,china Agricultural University,P.O.Box 7.,beijing 100083 2 school of Mechanical Engineering,University of Science and Technology Liaoning,Anshan 114044

＜正＞Without employing ad hoc assumptions,various equations and solutions for plane problems of piezoelectric media are deduced systematically.A method for the exact solution of three-dimensional equations is present... 详细信息

关键词： plane problems plate theory piezoelectric the exact theory

Effects of low molecular weight heparin on tumor-endothelium interactions and its mechanism

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Effects of low molecular weight heparin on tumor-endothelium...

中国药理学会第十次全国学术会议

作者： PAN Yan,LI Xue-jun (Department of Pharmacology,school of Basic Medical,Peking University Health Science Center,beijing 100191)

Metastasis is the main obstacle of cancer *** prevention would be the key factor in cancer *** patients who had been treated with low molecular weight heparin(LMWH) for their thrombosis had a significantly improved 3 to 6 month *** studies showed that LMWH had antimetastasis *** were reports that LMWH could protect endothelial cells(EC) from being activated and inhibit the expression of cell adhesion molecules when it was used as an anticoagulant in patients with coronary artery *** by far,there are still no definite report concerning the mechanisms of LMWH on tumor and metastasis. Here we report that the inhibitory effects of LMWH on tumor cells adhesion to and migration through endothelial monolayers when human umbilical vein endothelial cells(HUVECs) were pre-incubated with LMWH;the influence of LMWH on HUVECs’ proteome by proteomics methods;the possible mechanisms of LMWH on tumor-endothelium interaction from the role of cytoskeletal vimentin intermediate filament,one of the difference proteins in HUVECs influenced by LMWH and which accumulated in bundles to the perinuelear *** confocal microscopy, detect the influence of LMWH on HUVECs intracellular calcium ion([Ca]) after stimulation by PC-3 *** surface plasmon resonance,we found that there was direct interaction between LMWH and ***,the underlying mechanisms of LMWH on anti-tumor and anti-metastasis may be related to LMWH’s interaction with and regulation on vimentin in the HUVECs.

关键词： Low molecular weight heparin Human umbilical cord vascular endothelial cells Adhesion Transendothelial migration Proteomics Vimentin

阳离子聚季铵盐接枝共聚物最佳接枝条件的研究

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湘潭矿业学院学报 1995年第2期10卷 46-50页

作者：夏畅斌黄念东何绪文北京中矿北研部

本文完成了二甲胺和表氯醇所得到的高聚物与丙烯酰胺进行接枝共聚。研究了接枝共聚的机理及接枝条件对共聚物性能的影响。图４，参８。

关键词：接枝季铵盐高聚物

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