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Acoustic Source Localization in Wireless Sensor Networks 无线传感器网络中的声源定位
Workshop on Intelligent Information Technology Application (IITA 2007) Pub Date : 1900-01-01 DOI: 10.1109/IITA.2007.64
Mingfei Wang, Linlin Ci, Ping Zhan, Yongjun Xu
{"title":"Acoustic Source Localization in Wireless Sensor Networks","authors":"Mingfei Wang, Linlin Ci, Ping Zhan, Yongjun Xu","doi":"10.1109/IITA.2007.64","DOIUrl":"https://doi.org/10.1109/IITA.2007.64","url":null,"abstract":"In recent years, wireless sensor networks have become an evolving technology that has a wide range of potential applications. Acoustic source localization is a hot research topic with many possible application areas, such as voice enhancement, intruder detection, sniper localization, and automatic tracking of speakers in an e-conferencing environment. Utilization of wireless sensor networks for acoustic source localization can provide good coverage, which not only enhances the accuracy, but also increases the robustness of the overall system. In this paper, we gave an overview of the acoustic source localization based on wireless sensor networks. Firstly, we analyzed the characteristics of acoustic source localization in wireless sensor networks. Then, we classified the existing typical acoustic source localization alogrithms in wireless sensor networks into centralized alogrithms and distributed algorithms. At the same time, we introduced the algorithms and discussed both merits and drawbacks of the algorithms. Finally, we pointed out the design issues of related middleware services.","PeriodicalId":191218,"journal":{"name":"Workshop on Intelligent Information Technology Application (IITA 2007)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125913721","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
A New EPS Control Strategy Based on Feedback of Yaw Rate and Lateral Acceleration 基于横摆角速度和横向加速度反馈的EPS控制新策略
Workshop on Intelligent Information Technology Application (IITA 2007) Pub Date : 1900-01-01 DOI: 10.1109/IITA.2007.22
Hao-Bin Jiang, Jing-bo Zhao, Long Chen, Da-yu Chen
{"title":"A New EPS Control Strategy Based on Feedback of Yaw Rate and Lateral Acceleration","authors":"Hao-Bin Jiang, Jing-bo Zhao, Long Chen, Da-yu Chen","doi":"10.1109/IITA.2007.22","DOIUrl":"https://doi.org/10.1109/IITA.2007.22","url":null,"abstract":"In this study, a new Electric Power Steering(EPS) control strategy based on feedback of vehicle yaw rate and lateral acceleration was investigated for the improvement of vehicle steering stability and increase of vehicle dynamic performance. An integrated control model based on EPS system model including steering resistance torque and full-car 3 Degree-Of-Freedom (DOF) dynamic model was developed. Various step inputs and sinusoidal inputs were applied to the integrated control model for simulation and the resulting performance was analyzed. In addition,real vehicle test was carried out. The results revealed that the proposed EPS control strategy can provide good performance of stability and controllability of the vehicle, also can reduce the rise time, the adjust time and the overshoot.","PeriodicalId":191218,"journal":{"name":"Workshop on Intelligent Information Technology Application (IITA 2007)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121438149","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: 12
Growth Analysis and CUSSIM Model in Cucumber Seedling 黄瓜幼苗生长分析及CUSSIM模型
Workshop on Intelligent Information Technology Application (IITA 2007) Pub Date : 1900-01-01 DOI: 10.1109/IITA.2007.62
Shengen Xiao, Jinjie Shi, Zhihua Zheng, Liping Xiong, ZhiMin Liu
{"title":"Growth Analysis and CUSSIM Model in Cucumber Seedling","authors":"Shengen Xiao, Jinjie Shi, Zhihua Zheng, Liping Xiong, ZhiMin Liu","doi":"10.1109/IITA.2007.62","DOIUrl":"https://doi.org/10.1109/IITA.2007.62","url":null,"abstract":"Based on a seedling growth experiment in cucumber cultivars \"Zhongnong203' and \"Chiyu401' under different temperatures in growth cabin, growth analysis of seedling and establishment of CUSSIM (cucumber seedling simulator) model in cucumber were investigated. The results indicated that total dry plant weight, plant height and leave number of cucumber seedling were significantly decreased by temperature reduction.; there was significant difference in growth rate and total dry plant weight between different cultivars; the functional relations those natural logarithm of total dry plant weight of cucumber seedling (LnDW) and relative growth rate (RGR) against days of seedling growth (t) at different stages for each treatment could be simulated by a quadratic function and liner function, respectively. Based on above results and some experiential parameters in practice of cucumber production, the CUSSIM model of cucumber seedling was established with Powersim software.","PeriodicalId":191218,"journal":{"name":"Workshop on Intelligent Information Technology Application (IITA 2007)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130650527","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
Multi-Agent Belief Merger and Interaction Based On BDI 基于BDI的多智能体信念合并与交互
Workshop on Intelligent Information Technology Application (IITA 2007) Pub Date : 1900-01-01 DOI: 10.1109/IITA.2007.44
Juan Ge, Hongbin Zhang, Yuchen Fu
{"title":"Multi-Agent Belief Merger and Interaction Based On BDI","authors":"Juan Ge, Hongbin Zhang, Yuchen Fu","doi":"10.1109/IITA.2007.44","DOIUrl":"https://doi.org/10.1109/IITA.2007.44","url":null,"abstract":"In the field of intelligent information retrieval, it's meaningful to speculate a user's true intentions through the interaction and belief merger. How to improve the rate of the Precision and the Recall has become a focus. We first discussed the interactive process in multi-agent system in which there exists an agent with deficient knowledge. Using it, we can deduce a user's intention accessing to his true intention. But the problem of belief conflict can not be slide over when the process is described. We used a measure of Majority operator to solve the problem. The method can improve the efficiency of IR partially resulted from incomplete and indefinite intentions of a user's queries.","PeriodicalId":191218,"journal":{"name":"Workshop on Intelligent Information Technology Application (IITA 2007)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121285839","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
Research on a Security Model of Data in Computer Supported Collaborative Design Integrated with PDM System 计算机协同设计与PDM系统集成中的数据安全模型研究
Workshop on Intelligent Information Technology Application (IITA 2007) Pub Date : 1900-01-01 DOI: 10.1109/IITA.2007.50
Li-hua Yao, Jian Shao, Guo-qiang Sheng, Guo-xuan Zhang
{"title":"Research on a Security Model of Data in Computer Supported Collaborative Design Integrated with PDM System","authors":"Li-hua Yao, Jian Shao, Guo-qiang Sheng, Guo-xuan Zhang","doi":"10.1109/IITA.2007.50","DOIUrl":"https://doi.org/10.1109/IITA.2007.50","url":null,"abstract":"A new security model of product data in computer supported collaborative design integrated with the product data management (PDM) is presented. The security of system is realized by several methods like user login, user and access control management, collaborative collision, logs audit, and encryption/decryption of product data. The research results show that the model can be effectively applied in the environment of computer supported collaborative design integrated with PDM and solve the problem of data security.","PeriodicalId":191218,"journal":{"name":"Workshop on Intelligent Information Technology Application (IITA 2007)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122122892","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: 7
An Agent-based Framework for Intelligent and Dynamic Business Information Retrieval 基于agent的智能动态商业信息检索框架
Workshop on Intelligent Information Technology Application (IITA 2007) Pub Date : 1900-01-01 DOI: 10.1109/IITA.2007.16
Hua Hu, Bin Xu
{"title":"An Agent-based Framework for Intelligent and Dynamic Business Information Retrieval","authors":"Hua Hu, Bin Xu","doi":"10.1109/IITA.2007.16","DOIUrl":"https://doi.org/10.1109/IITA.2007.16","url":null,"abstract":"In order to survive in competitive market, the industries must collect and analyze the business information dynamically according to the demanding of market. Though traditional information retrieval techniques are useful in normal business information analysis, the retrieved results could hardly reflect the dynamic business status. The goal of the A2DT project is to develop an agent-based framework for dynamic business information analysis. In this paper, a dynamic business information retrieval process is proposed and is compared with the traditional information retrieval process. An agent-based framework for dynamic information retrieval process is presented so as to manage the business status intelligently and dynamically.","PeriodicalId":191218,"journal":{"name":"Workshop on Intelligent Information Technology Application (IITA 2007)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123223177","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
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