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Prognostics and System Health Management Conference (PHM)

作者： Rong Wan Linlong Ma Tianlun Yuan Shanghai Aircraft Design & Research Institute COMAC Shanghai China

ISBN: (纸本)9781457719097

During the Large Commercial Aircraft development process through the form of “Manufacturer-Supplier” model, the aircraft design work is allocated to multiple systems and sub-systems down to single equipment and component. This leads to the challenges in the joint design of aircraft PHM system. It is particularly difficult to coordinate between the data and model. Considering the real needs in the optimization of the aircraft PHM system design, this paper describes the establishment of the parameter coupling model between the PHM system and the contributing system (including the sub-system, equipment and components) through the concept of integration. Meanwhile on the basis of the model, the parameter mapping (including parameter identification, demonstration and transfer) among the PHM system and each contributing system, sub-system, equipment and components can be realized through the object-oriented method, so that the effective control of the data collection, transfer, calculation and storage can be achieved. The significant benefit in ensuring sufficient coordination, increasing system design efficiency and quality during the aircraft PHM system joint design is verified in this paper through the investigation of real-world application.

关键词： Parameter coupling Mapping model PHM Joint design object-oriented method PAM gene Business aircraft aircraft design object orientation multiple system

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Research on segmentation scale of multi-resources remote sensing data based on object-oriented

Research on segmentation scale of multi-resources remote sen...

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2nd International Conference on Mining Engineering and Metallurgical Technology (MEMT)

作者： Lian Lian Chen Jianfei Guangzhou Univ Sch Geog Sci Guangzhou 510006 Guangdong Peoples R China

To verify a method of choosing the optimal segmentation scale, the Guangzhou Higher Education Mega Center is selected as test area for surface features extraction. Buildings, roads, waters and vegetations are extracted from 4 different resolution images using different scales. It is found that the optimal segmentation scale selected based on standard deviation of the means and mean of standard deviations of image objects' brightness is almost consistent with the optimal segmentation scale selected based on actual classification. The classification accuracy is related with spatial resolution. But for specific applications, higher resolution doesn't definitely get better classification accuracy. (C) 2011 Published by Elsevier Ltd.

关键词： Remote sensing image interpretation object-oriented method segmentation scale optimal scale classification accuracy

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Research and Development of Preceding-Evaluation System of Rural Drinking Water Safety Project

Research and Development of Preceding-Evaluation System of R...

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4th IFIP TC 12 Conference on Computer and Computing Technologies in Agriculture

作者： He, Lian Cheng, Jilin Yangzhou Univ Yangzhou Peoples R China

ISBN: (纸本)9783642183355

The preceding-evaluation plays a crucial role in guiding construction. Preceding-evaluation system of rural drinking water safety project includes four main contents: opportunity evaluation, necessity evaluation, feasibility evaluation and decision evaluation. Using multi-turns specialist consultation method, the paper mainly studies the decision evaluation. Modular system structure is designed according to system function analysis and target analysis. Based on system database as the basic information support, preceding-evaluation system is developed by object-oriented method. The syetem includes the functions of project information storage, project estimation, economic analysis and decision evaluation, it can provide reference for planning, design and construction management of rural drinking water safety project.

关键词： rural drinking water safety preceding-evaluation system object-oriented method decision optimization

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An object-oriented development method for customer knowledge management information systems

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KNOWLEDGE-BASED SYSTEMS 2007年第1期20卷 17-36页

作者： Lin, Jyhjong Ming Chuan Univ Dept Informat Management Tao Yuan 333 Taiwan

For the advances of Internet technologies in recent years, electronic commerce (EC) has gained many attentions as a major theme for enterprises to keep their competitiveness. Among all possible endeavors for the EC, research has shown that effective management of customer relationships by taking advantage of customer knowledges is a major source for keeping competitive differentiation. Therefore, it is commonly recognized as an important goal for an enterprise to promote its managerial effectiveness oil customer relationships through a prospective customer knowledge-based information system to achieve the so-called Customer-oriented EC. In this paper, we present an object-oriented method for the development of such a Customer Knowledge Management Information System (CKMIS). The method starts from the identification of customers and their desired knowledge-accessed behaviors, through the recognition of a system architecture that supports the identification and realization of these behaviors, and finally ends with the analysis and design of the architectural classes/objects that collaborate to identify and realize these behaviors. The method is use case driven with UML notations utilized and extended as its modeling tool. To illustrate, the method is applied to an exemplified CKMIS for a book publishing company. (c) 2006 Elsevier B.V. All rights reserved.

关键词： electronic commerce customer knowledge customer relationship management information system development object-oriented method

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Research on Segmentation Scale of Multi-Resources Remote Sensing Data Based on object-oriented

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Procedia Earth and Planetary Science 2011年 2卷 352-357页

作者： Lian Lian Jianfei Chen School of Geographical Science Guangzhou University Guangzhou 510006 China

To verify a method of choosing the optimal segmentation scale, the Guangzhou Higher Education Mega Center is selected as test area for surface features extraction. Buildings, roads, waters and vegetations are extracted from 4 different resolution images using different scales. It is found that the optimal segmentation scale selected based on standard deviation of the means and mean of standard deviations of image objects’ brightness is almost consistent with the optimal segmentation scale selected based on actual classification. The classification accuracy is related with spatial resolution. But for specific applications, higher resolution doesn’t definitely get better classification accuracy.

关键词： Remote sensing image interpretation object-oriented method segmentation scale optimal scale classification accuracy

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Analysis and Classification on Feature for Sole Design

Analysis and Classification on Feature for Sole Design

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作者： Jun Shi Shou-Shan Jiang Xin Zhang Bo-An Ying Tao Wu School of Computer Science & Engineering Xi'an Technological University Xi'an Polytechnic University

In order to realize information share and system integration in sole design,the feature was *** feature information was analyzed in sole,and it included form,location,topology,material,biomechanics,air permeability,comfortableness,assembling and *** sole feature was defined,and it included geometry feature,material feature,biomechanics feature,comfortableness feature,assembling feature and aesthetic *** sole feature was defined by user,and it could be utilized by sole modeling and machining *** sole feature was the user defined feature(UDF),and it was defined as the sole user defined feature(sole UDF).The sole UDF was represented by formula,sole UDF =(ID,Name,Geometry,Attribute,History,Constraint).The sole UDF could be encapsulated,and data base was *** designing sole,one sole UDF could be retrieved to design a sole according to size,parameter and *** sole feature was taken as object,and they were classified and described using object-oriented *** sole-feature-class tree was *** information share and the system integration will can be realized in sole design based on above studies.

关键词： sole information sharing system integration feature UDF object-oriented method

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Remote Sensing Analysis of Bohai Bay West Coast Shoreline Changes

Remote Sensing Analysis of Bohai Bay West Coast Shoreline Ch...

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2011 IEEE International Conference on Spatial Data Mining and Geographical Knowledge Services(ICSDM 2011)

作者： Guixiang Zheng~(#1),Ling Peng~(#2),Gang Tao~(#3),Chunhong Wang~(*4) # Institute of Remote Sensing Applications Chinese Academy of Sciences No.20 Da Tun Road,Chao Yang District,P.O.Box9718 Beijing China 100101 * ChinaRS Geoinformatics Co.,Ltd., The 4th Floor,F Building,No.6,the 6th Hi-tech Development Street,Tianjin Huayuan Industry Area,Tianjin China,300384

The Bohai Bay West Coast is a typical muddy coastal zone which is also the most sensitive and vulnerable areas in the geological,ecological *** recent years,human's activities are greatly affected its change's speed and *** using a combination of Remote Sensing and GIS technology,this paper utilizes lots of Remote Sensing data to monitor the coastline position,changes rules and influencing factors over the past 20 *** coastline extraction method can be used such as supervised classification,threshold extraction,object-oriented and other methods and in this paper we use the threshold extraction of water index and object-oriented approach. With the spectral index and water index,the line between the sea water and light beach is extracted whose changes can monitor the sediment deposition in real time and *** Remote Sensing methods can avoid long period difficulties and shortcomings of site visit to survey the coastal reclamation case. The results show that:(1) The coastal shoreline overall present the variation of advancing seaward.(2) The dominant factor of port construction,violation of human activities such as sea-land reclamation dominated the shoreline *** construction of Tianjin Lingang Industrial Area in Binhai New Area has led the coastline to the sea advanced nearly 10 km since 2005;(3) The environmental impact of shoreline changes mainly reflected in the river longer and narrower,resulting in sediment deposition to make rivers more shallower and more poor in flood discharge capacity.

关键词： Bohai bay west coast Remote sensing analysis shoreline changes object-oriented method Water index

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A Hybrid 3D Spatial Data Structure for the Integration of Aboveground, Ground and Underground objects

A Hybrid 3D Spatial Data Structure for the Integration of Ab...

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18th International Conference on Geoinformatics

作者： Shen, Jingwei Lv, Guonian Wen, Yongning Wu, Mingguang Zhang, Hongping Wang, Xiao Nanjing Normal Univ Key Lab Virtual Geog Environm Minist Educ Nanjing 210046 Jiangsu Provinc Peoples R China

ISBN: (纸本)9781424473021

A hybrid 3D spatial data structure for the integration of aboveground, ground and underground objects based on spatial cognition theory is proposed, which considers the space subdivision and topology completeness. object-oriented method is used to abstract objects in real world which is defined into three levels. Geometry primitives and topology primitives are defined in this data structure. Topology is the option of the geometry. The geometry information can be coded in a binary method to store in the relation database. An experiment is designed to integrate the buildings, terrain, and geological stratification seamlessly. The data structure could express aboveground, ground and underground objects effectively.

关键词： Spatial Data Structure object-oriented method Aboveground Ground and Underground Integration Seamlessly

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Modeling of photolithography process in semiconductor wafer fabrication systems using extended hybrid Petri nets

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Journal of Central South University of Technology 2007年第3期14卷 393-398页

作者：周炳海潘青枝王世进吴斌 School of Mechanical Engineering Shanghai Jiaotong University

To describe a semiconductor wafer fabrication flow availably, a new modeling method of extended hybrid Petri nets （EHPNs） was proposed. To model the discrete part and continuous part of a complex photolithography process, hybrid Petri nets （HPNs） were introduced. To cope with the complexity of a photolithography process, object-oriented methods such as encapsulation and classifications were integrated with HPN models. EHPN definitions were presented on the basis of HPN models and object-oriented methods. object-oriented hybrid Petri subnet models were developed for each typical physical object and an EHPN modeling procedure steps were structured. To demonstrate the feasibility and validity of the proposed modeling method, a real wafer photolithography case was used to illustrate the modeling procedure. dynamic modeling of a complex photolithography process effectively The modeling results indicate that the EHPNs can deal with the dynamic modeling of a complex photolithography process effectively.

关键词： semiconductor wafer fabrication photolithography process hybrid Petri net object-oriented method

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object-oriented Urban Dynamic Monitoring——A Case Study of Haidian District of Beijing

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Chinese Geographical Science 2007年第3期17卷 236-242页

作者： An Kai Zhang Jinshui Xiao Yu Institute of Geographic Sciences Natural Resources ResearchChinese Academy of SciencesBeijing100101China Graduate University of Chinese Academy of Sciences Beijing100049China Key Laboratory of Environmental Change Natural DisasterMinistry of Education of ChinaBeijing Normal UniversityBeijing100875China College of Resources Science&Technology Beijing Normal UniversityBeijing100875China

It is crucial to conduct the land use/cover research to obtain the global change *** area is one of the most sensitive areas in land use/cover *** land use/cover change in urban areas is very im-portant in global *** is vital to incorporate the information of urban land use/cover change into the process of decision-making about urban area *** this paper,a new urban change detection approach,urban dynamic monitoring based on objects,is *** approach includes four steps:1)producing multi-scale objects from multi-temporal remotely sensed images with spectrum,texture and context information;2)extracting possible changed objects adopting object-oriented classification;3)obtaining shared objects as the basic units for urban change detection;4)determining the threshold to segment the changed objects from the possible changed objects using Otsu *** this paper,the object-based approach was applied to detecting the urban expansion in Haidian District,Beijing,China with two Landsat Thematic Mapper(TM)data in 1997 and *** results indicated that the overall accuracy was about 84.83%,and Kappa about *** with other conventional approaches,the object-based approach was advantageous in reducing the error accumulation of image classification of each datum and in independence to the radiometric correction and image registration accuracy.

关键词： urban change detection object-oriented method remote sensing land use/cover Otsu method

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