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2009 4th International Conference on Computer Science & Education最新文献

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Design and simulation of fuzzy PID controller for the movable beam in gantry machining center 龙门加工中心动梁模糊PID控制器的设计与仿真
2009 4th International Conference on Computer Science & Education Pub Date : 2009-09-25 DOI: 10.1109/ICAL.2009.5262826
Xia Yang, Yan Zhao, Zhu Xiao, Qingding Guo
{"title":"Design and simulation of fuzzy PID controller for the movable beam in gantry machining center","authors":"Xia Yang, Yan Zhao, Zhu Xiao, Qingding Guo","doi":"10.1109/ICAL.2009.5262826","DOIUrl":"https://doi.org/10.1109/ICAL.2009.5262826","url":null,"abstract":"Magnetic suspension system is a typical non-linear hysteretic system. A kind of technology, which combines the permanent magnet and the electromagnetism, is presented for its characteristics and can obviously reduce power consumption. In order to solve the impact of the change of current in magnet coils on the overall rigidity, a double closed loop control system, which introduces the current loop into the position loop for forming a position and current double closed loop control system, is adopted. A fuzzy PID controller is designed to meet the requirement of suspended beams on the machine tool according to the process characteristics of the machine tool. Compared with the results of the simulation, it can be shown that fuzzy PID controller improves the stiffness of the suspension system which can meet the precision requirement of the magnetic suspension beams system on the machine tool.","PeriodicalId":303484,"journal":{"name":"2009 4th International Conference on Computer Science & Education","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124843182","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Gait planning in 3D robot simulation using ZMP theory 基于ZMP理论的三维机器人仿真步态规划
2009 4th International Conference on Computer Science & Education Pub Date : 2009-09-01 DOI: 10.1109/ICCSE.2009.5228494
Yin Zhao, Lin Xiao, Li Wei, Yue Wuyi, Cai Jianhuai, Liao Maoqing, Xin Li
{"title":"Gait planning in 3D robot simulation using ZMP theory","authors":"Yin Zhao, Lin Xiao, Li Wei, Yue Wuyi, Cai Jianhuai, Liao Maoqing, Xin Li","doi":"10.1109/ICCSE.2009.5228494","DOIUrl":"https://doi.org/10.1109/ICCSE.2009.5228494","url":null,"abstract":"This paper presents a method of modeling robot legs with linear inverted pendulum model based on Zero-Moment Point (ZMP) theory. It quantitatively plans the foot's target pose matrix during the walking of a robot. Our method follows principles of inverse kinematics to get the anti-solution of joints based on Newton-Raphson algorithm and Jacobian matrix, therefore, it amends and optimizes the ZMP. We demonstrate the feasibly of our algorithm in robot's gait planning using various simulations.","PeriodicalId":303484,"journal":{"name":"2009 4th International Conference on Computer Science & Education","volume":"246 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117262524","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
An effective video temporal error concealment method 一种有效的视频时间误差隐藏方法
2009 4th International Conference on Computer Science & Education Pub Date : 2009-09-01 DOI: 10.1109/ICCSE.2009.5228340
Ruolin Ruan, R. Hu, Zhongmin Li
{"title":"An effective video temporal error concealment method","authors":"Ruolin Ruan, R. Hu, Zhongmin Li","doi":"10.1109/ICCSE.2009.5228340","DOIUrl":"https://doi.org/10.1109/ICCSE.2009.5228340","url":null,"abstract":"To overcome inaccurate boundary matching algorithm bringing on the miss of the best motion vector and resulting in the bad error concealment effect, the paper proposed a novel effective temporal error concealment algorithm. Using effective temporal-spatial correlation of the motion vectors, it will adaptive construct a limited candidate motion vectors set among the motion vectors of neighboring macroblocks and extrapolated motion vectors, on the basis of it, selected the best motion vector from candidate motion vector set by using the boundary matching algorithm to conceal corrupted or lost block. The simulation results show that the proposed method reduced the miss of the best motion vector and obtained the satisfactory error concealment effective.","PeriodicalId":303484,"journal":{"name":"2009 4th International Conference on Computer Science & Education","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128221028","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
The analysis of WLAN/3G interworking access based on a mobility model 基于移动性模型的WLAN/3G互通接入分析
2009 4th International Conference on Computer Science & Education Pub Date : 2009-07-25 DOI: 10.1109/ICCSE.2009.5228434
R. Fouladi, Somayeh Salimi, A. Salahi
{"title":"The analysis of WLAN/3G interworking access based on a mobility model","authors":"R. Fouladi, Somayeh Salimi, A. Salahi","doi":"10.1109/ICCSE.2009.5228434","DOIUrl":"https://doi.org/10.1109/ICCSE.2009.5228434","url":null,"abstract":"In this article, we investigate the user access to a Wireless Local Area Network (WLAN) cell in a WLAN and third generation (3G) telecommunication networks interworking. To do the study, it is supposed that a mobile user moves in a typical Location Area (LA). The spotted LA is a 5*5 square (includes cells without any overlap). The cells are under the coverage of 3G providers. One cell is allocated to WLAN. Two goals are tracked in this paper. The first is to find a cell which its removal (i.e., to be disabled to support services) would result in the least entrance probability of a user to WLAN cell. Provisioning more security features for this cell would improve the user access. The second is to find the best cell for WLAN establishment in the LA which the highest level of WLAN cell entry would result. To do the study, regular Markov chain is applied. Also, it is supposed that the user walks randomly according to an unbiased mobility pattern. This study shows the dependency of user access (i.e., to network services) to the LA structure which has been ignored before.","PeriodicalId":303484,"journal":{"name":"2009 4th International Conference on Computer Science & Education","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115423103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A method of speed measurement without sensor in motor soft starting control system 一种电机软起动控制系统中无传感器转速测量方法
2009 4th International Conference on Computer Science & Education Pub Date : 2009-07-25 DOI: 10.1109/ICCSE.2009.5228347
Zhijun Jiang, Xiaoling Huang, Na Lin
{"title":"A method of speed measurement without sensor in motor soft starting control system","authors":"Zhijun Jiang, Xiaoling Huang, Na Lin","doi":"10.1109/ICCSE.2009.5228347","DOIUrl":"https://doi.org/10.1109/ICCSE.2009.5228347","url":null,"abstract":"At motor start-up process, the motor speed is constantly changing, the input voltage adjustments should follow the changes of motor speed timely, or it is difficult to achieve the desired objectives, but the traditional way increased the cost of maintaining, complexity, and made the reliability lower, which would certainly affects the usage and scope of the controller This paper presents a new method of speed detection according to conventional soft starter, and in heavy soft starter system, according to discrete variable frequency features, the new method based on the residual voltage after current dump is been selected. These method are only in accordance with characteristics of soft-start controller main circuit, the speed information can be got without additional speed sensor, the stator voltage is regulated according to running status so that the parameters of motor speed, current change in accordance with the expected curve.","PeriodicalId":303484,"journal":{"name":"2009 4th International Conference on Computer Science & Education","volume":"197 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115664082","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Theoretical study and practice on training model of information technology competency for college students 大学生信息技术能力培养模式的理论研究与实践
2009 4th International Conference on Computer Science & Education Pub Date : 2009-07-25 DOI: 10.1109/ICCSE.2009.5228254
Jiangyu Li
{"title":"Theoretical study and practice on training model of information technology competency for college students","authors":"Jiangyu Li","doi":"10.1109/ICCSE.2009.5228254","DOIUrl":"https://doi.org/10.1109/ICCSE.2009.5228254","url":null,"abstract":"Information technology competency (ITC) is the important ability for college students pursuing career development, but current course design and training method could not meet needs of obtaining ICT and information technology (IT) learning capability. Based on Learning Theory and TAM Theory, this paper will introduce advanced training model of ITC for college students. By using real life problem-solving strategy of IT such as internet, introduced training model could help students obtain analysis capacity and problem solving ability associated with IT. It also could greatly enhance their interest in IT, IT continuing learning ability and comprehensive capability of applying the knowledge into their career development. Validity of this training model is verified by an E-commerce Contest.","PeriodicalId":303484,"journal":{"name":"2009 4th International Conference on Computer Science & Education","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124403067","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The education in Java programming and the deployment in E-commerce project Java编程教育及在电子商务项目中的部署
2009 4th International Conference on Computer Science & Education Pub Date : 2009-07-25 DOI: 10.1109/ICCSE.2009.5228191
Anbao Wang, Hailan Pan, Wenrong Jiang
{"title":"The education in Java programming and the deployment in E-commerce project","authors":"Anbao Wang, Hailan Pan, Wenrong Jiang","doi":"10.1109/ICCSE.2009.5228191","DOIUrl":"https://doi.org/10.1109/ICCSE.2009.5228191","url":null,"abstract":"The paper discussed the elementary theory and essentiality in E-commerce at first. In the next section, the knowledge about JSP, Java BEAN, SERLET and EJB and so on was introduced, also the paper talked about why to select Java as E-commerce project programming language, project deploying and methods in E-commerce project. The relation of the education of Java programming and the deployment of E-commerce project was discussed importantly.","PeriodicalId":303484,"journal":{"name":"2009 4th International Conference on Computer Science & Education","volume":"117 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124455616","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
SPH-based visual simulation of fluid 基于sph的流体可视化仿真
2009 4th International Conference on Computer Science & Education Pub Date : 2009-07-25 DOI: 10.1109/ICCSE.2009.5228338
Jun Chen, Kejian Yang, Yuan Yuan
{"title":"SPH-based visual simulation of fluid","authors":"Jun Chen, Kejian Yang, Yuan Yuan","doi":"10.1109/ICCSE.2009.5228338","DOIUrl":"https://doi.org/10.1109/ICCSE.2009.5228338","url":null,"abstract":"Smooth Particle Hydrodynamics (SPH) is an accurate method in fluid numerical simulation. In this paper we introduce a calculating algorithm based on the SPH, and propose an interactive method to simulate fluids with free surfaces. This method is completely consistent with the dynamic behavior of a viscous fluid, namely described by Navier-Stokes equations. In addition, for online simulation, we adopt a nearest neighbor search algorithm based the octree to improve the entire computation. Our SPH method allows us to simulate fluid flowing in a tank with the obstruction, and allows us add an external force (e.g. wind). It shows an interaction between the fluid and the obstruction in the natural environment.","PeriodicalId":303484,"journal":{"name":"2009 4th International Conference on Computer Science & Education","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123081856","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
A novel smooth Support Vector Machines for classification and regression 一种用于分类和回归的光滑支持向量机
2009 4th International Conference on Computer Science & Education Pub Date : 2009-07-25 DOI: 10.1109/ICCSE.2009.5228536
Jianmin Dong, Ruopeng Wang
{"title":"A novel smooth Support Vector Machines for classification and regression","authors":"Jianmin Dong, Ruopeng Wang","doi":"10.1109/ICCSE.2009.5228536","DOIUrl":"https://doi.org/10.1109/ICCSE.2009.5228536","url":null,"abstract":"Novel smoothing function method for Support Vector Classification (SVC) and Support Vector Regression (SVR) are proposed and attempt to overcome some drawbacks of former method which are complex, subtle, and sometimes difficult to implement. First, used Karush-Kuhn-Tucker complementary condition in optimization theory, unconstrained nondifferentiable optimization model is built. Then the smooth approximation algorithm basing on differentiable function is given. Finally, the paper trains the data sets with standard unconstraint optimization method. This algorithm is fast and insensitive to initial point. Theory analysis and numerical results illustrate that smoothing function method for SVMs are feasible and effective.","PeriodicalId":303484,"journal":{"name":"2009 4th International Conference on Computer Science & Education","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123084460","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
ARIMA time series application to employment forecasting ARIMA时间序列在就业预测中的应用
2009 4th International Conference on Computer Science & Education Pub Date : 2009-07-25 DOI: 10.1109/ICCSE.2009.5228480
Xiaoguo Wang, Yuejing Liu
{"title":"ARIMA time series application to employment forecasting","authors":"Xiaoguo Wang, Yuejing Liu","doi":"10.1109/ICCSE.2009.5228480","DOIUrl":"https://doi.org/10.1109/ICCSE.2009.5228480","url":null,"abstract":"ARIMA model is widely-range used in forecasting analysis area. The paper establishes an ARIMA model on the employment information of computer industry from 2002 to 2007 in China, and using the model, gives a prediction of situation in 2008. The study will be an exploration for subsequent researches on employment situation forecasting, or other related work.","PeriodicalId":303484,"journal":{"name":"2009 4th International Conference on Computer Science & Education","volume":"106 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115767989","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
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