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Design and analysis of hull configurations for a low-cost, autonomous underwater robot as an enabling technology for system of system applications

2008 IEEE International Conference on System of Systems Engi...

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2008 IEEE International Conference on System of Systems engineering, SoSE 2008 2008年

作者： Nowak, Brent M. Ayhan, Yavuz Derric, Austin Daniel, Michael Joordens, Matthew Robotics and Intelligent Machines Lab. Mechanical Engineering Department University of Texas at San Antonio San Antonio TX 78249 United States Mechanical Engineering Department United States Electrical Engineering Department United States

ISBN: (纸本)9781424421732

The objective of this research is to model and analyze candidate hull configurations for a low-cost, modular, autonomous underwater robot. As the computational power and speed of microprocessors continue to progress, we are seeing a growth in the research, development, and the utilization of underwater robots. The number of applications is broadening in the R&D and science communities, especially in the area of multiple, collab.rative robots. These underwater collab.rative robots represent an instantiation of a System of Systems (SoS). While each new researcher explores a unique application, control method, etc. a new underwater robot vehicle is designed, developed, and deployed. This sometimes leads to one-off designs that are costly. One limit to the wide-scale utilization of underwater robotics is the cost of development. Another limit is the ability to modify the configuration for new applications and evolving requirements. Consequently, we are exploring autonomous underwater vehicle (AUV) hull designs towards the goal of modularity, vehicle dexterity, and minimizing the cost. In our analysis, we have employed 3D solid modeling tools and finite element methods. In this paper we present our initial results and discuss ongoing work. © 2008 IEEE.

关键词： System of systems

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intelligent systems applied to optimize building’s environments performance

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IFIP Advances in Information and Communication Technology 2008年 276卷 237-244页

作者： Sierra, E. Hossian, A. Rodríguez, D. García-Martínez, M. Britos, P. García-Martínez, R. Engineering School Comahue University Argentina Engineering School Comahue University Intelligent Systems Lab. FI-UBA Argentina Software and Knowledge Eng Center. Buenos Aires Institute of Technology Argentina School of Architecture University of Buenos Aires Argentina Software and Knowledge Eng. Center Buenos Aires Institute of Technology Argentina Software and Knowledge Engineering Center Buenos Aires Institute of Technology Argentina

ISBN: (纸本)9780387096940

By understanding a building as a dynamic entity capable of adapting itself not only to changing environmental conditions but also to occupant’s living habits, high standards of comfort and user satisfaction can be achieved. An intelligent system architecture integrating neural networks, expert systems and negotiating agents technologies is designed to optimize intelligent building’s performance. Results are promising and encourage further research in the field of AI applications in building automation systems. © 2008, IFIP International Federation for Information Processing. All rights reserved.

关键词： intelligent buildings

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Preventing social engineering in ubiquitous environment

Preventing social engineering in ubiquitous environment

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International Conference on Future Generation Communication Networking

作者： Nyamsuren, Enkhbold Choi, Ho-Jin Intelligent Software Engineering and Robotics Lab. School of Engineering Information and Communications University

ISBN: (纸本)0769530486

This paper provides analysis of the possible impacts of social engineering in ubiquitous environment and the ways of preventing it. The main goal of this paper is to emphasize the possible danger of impact of social engineering in ubiquitous computing, and importance of establishing not only technical, hut also non-technical mechanisms for preventing it. The paper describes how to ensure security and privacy protection in terms of user own responsibility and the use of proper policy and legislation mechanisms.

关键词： Ubiquitous computing

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Enhancing requirements engineering activities through the use of mobile technology devices and tools

Enhancing requirements engineering activities through the us...

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International Conference on Future Generation Communication Networking

作者： Fahmi, Syed Ahsan Ibrahim, Ahmad Choi, Ho-Jin Intelligent Software Engineering and Robotics Lab. School of Engineering Information and Communications University South Korea

ISBN: (纸本)0769530486

Requirements Elicitation, one of the most critical tasks in Requirements engineering activities, is basically the process that involves communication with the stakeholders, understanding their necessities and formulating the problems to be solved. Conventional devices and tools used in different requirements gathering activities are mostly desktop computer or laptop based. Because of their size and less mobility feature, they are usually not brought to the workplace of the stakeholders. The advancing capabilities of mobile devices and mobile tools can significantly contribute to the automation of RE activities. The aim of this proposed research is to enhance requirements elicitation activities by using mobile devices and designing and implementing a web-based mobile RE tool to automate and supplement the traditional requirements elicitation process. This paper describes the ongoing research and presents the progress so far.

关键词： Requirements engineering

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software reverse engineering to requirements

Software reverse engineering to requirements

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2nd International Conference on Convergent Information Technology, ICCIT 07

作者： Fahmi, Syed Ahsan Choi, Ho-Jin Intelligent Software Engineering and Robotics Lab. School of Engineering Information and Communications University Korea Republic of

ISBN: (纸本)0769530389

The aim of reverse engineering is to draw out many kinds of information from existing software and using this information for system renovation and program understanding. Based on traditional practice, reverse engineering and requirements engineering are two separate processes in software round trip engineering. In this paper, we argue that it is necessary to recover requirements from the reverse engineered outcome of legacy system and by Integrating this outcome in the requirements phase of software life cycle, it is possible to have a better requirements elicitation, and clear understanding of what is redundant, what must be retained and what can be re-used. So we have presented a revised model of traditional re-engineering process and also described the rationality of the proposed model. In the paper we have also discussed briefly about software reverse engineering, requirement engineering and their basic practices and activities. © 2007 IEEE.

关键词： Reverse engineering

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Preventing Social engineering in Ubiquitous Environment

Preventing Social Engineering in Ubiquitous Environment

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International Conference on Future Generation Communication and Networking (FGCN)

作者： Enkhbold Nyamsuren Ho-Jin Choi Intelligent Software Engineering and Robotics Lab School of Engineering Information and Communications University South Korea

This paper provides analysis of the possible impacts of social engineering in ubiquitous environment and the ways of preventing it. The main goal of this paper is to emphasize the possible danger of impact of social engineering in ubiquitous computing, and importance of establishing not only technical, but also non-technical mechanisms for preventing it. The paper describes how to ensure security and privacy protection in terms of user own responsibility and the use of proper policy and legislation mechanisms.

关键词： Protection Ubiquitous computing Information security Data privacy Data security intelligent robots Context-aware services software engineering Information analysis Legislation

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software Reverse engineering to Requirements

Software Reverse Engineering to Requirements

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International Conference on Convergence Information Technology

作者： Syed Ahsan Fahmi Ho-Jin Choi Intelligent Software Engineering and Robotics Lab School of Engineering Information and Communications University South Korea

ISBN: (纸本)9781424431779

The aim of reverse engineering is to draw out many kinds of information from existing software and using this information for system renovation and program understanding. Based on traditional practice, reverse engineering and requirements engineering are two separate processes in software round trip engineering. In this paper, we argue that it is necessary to recover requirements from the reverse engineered outcome of legacy system and by integrating this outcome in the requirements phase of software life cycle, it is possible to have a better requirements elicitation, and clear understanding of what is redundant, what must be retained and what can be re-used. So we have presented a revised model of traditional re-engineering process and also described the rationality of the proposed model. In the paper we have also discussed briefly about software reverse engineering, requirement engineering and their basic practices and activities.

关键词： Reverse engineering Communication system software intelligent robots software systems Companies Information technology software engineering Documentation Programming Business process re-engineering

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ReCoDa: Reliable forwarding of correlated data in sensor networks with low latency 07

ReCoDa: Reliable forwarding of correlated data in sensor net...

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IWCMC 2007: 2007 International Wireless Communications and Mobile Computing Conference

作者： Luo, Hong Zhang, Zengjun Liu, Yonghe Beijing Key Lab. of Intelligent Telecom Software and Multimedia Beijing University of Posts and Telecommunications Beijing 100876 China Department of Computer Science and Engineering University of Texas at Arlington Arlington TX 76019

ISBN: (纸本)1595936955

The method of using in-network aggregation for energy efficient data collection often results in processing delay and additional time for gathering related data at an intermediate node. This unfortunately may make the scheme undesirable for networks deployed for emergent event monitoring. In this paper, we propose ReCoDa - Reliable forwarding of Correlated Data with low latency, an energy-efficient and reliable delivery scheme benefiting from data correlation among sensor nodes but without performing in-network aggregation. Our idea is to allow each node to determine the data transmission reliability it shall obtain based on the preceding transmissions from other nodes, subjecting to the overall information reliability requirement. This in turn is achieved through controllab.e multi-path forwarding. Simulation shows that ReCoDa can successfully reduce redundancy up to 2.9 times compared with schemes not exploiting data redundancy and achieves energy efficiency up to 4.79 times higher. Copyright 2007 ACM.

关键词： Wireless sensor networks

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Real-time component composition using hierarchical timed automata

Real-time component composition using hierarchical timed aut...

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7th International Conference on Quality software, QSIC 2007

作者： Jin, Xianli Huadong, Ma. Gu, Zonghua Beijing Key Lab. of Intelligent Telecommunications Software and Multimedia Beijing University of Posts and Telecommunications Beijing 100876 China Department of Computer Science and Engineering Hong Kong University of Science and Technology HKG Hong Kong

ISBN: (纸本)0769530354

In component-based software development, it is important to use formal models to describe component composition. However, the existing component composition models generally ignore real-time issues. We present a formal integration model based on Hierarchical Timed Automata (HTA) for real-time software system. We present formal definition of components and different component composition techniques. We then introduce the notions of composable and compatible composition, and use Multiset lab.led Transition Systems to represent the interface actions of HTA to perform compositional verification. This hierarchical and unified framework establishes the foundation for formal analysis of real-time properties of the system. © 2007 IEEE.

关键词： Real time systems

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Test-bed for navigation and control of a thruster based AUV

Test-bed for navigation and control of a thruster based AUV

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OCEANS 2006 - Asia Pacific

作者： Kumar, R. Prasanth Babu, S. Sarath Srilekha, Y. Kumar, C.S. Sen, D. Dasgupta, A. Robotics and Intelligent Systems Lab. Department of Mechanical Engineering Indian Institute of Technology Kharagpur WB 721 302 India Robotics and Intelligent Systems Lab. Department of Ocean Engineering and Naval Architecture Indian Institute of Technology Kharagpur WB 721 302 India

ISBN: (纸本)1424401380

A thruster controlled AUV is being developed for the Indian AUV project. All motions and control is carried out by a set of five thrusters for controlling positions in two attitudes and three linear directions. As a prototype and verification system for the above AUV, a test-bed to develop and validate the control schemes was found necessary and has been developed at IIT Kharagpur. This paper describes the design criteria of the test-bed and the methods used to develop control scheme for such class of underwater vehicles, which are wholly thruster controlled and can be implemented in this test-bed. The design and capabilities of such a test-bed has been considered for taking into account similar thruster actuated AUVs which may be used in conditions like low speed motion as well as high maneuverability, station keeping etc. Such vehicles are different from the hydroplane controlled vehicles which are more effective above a certain operational velocity. The test-bed proposed here is targeted to generate valuable experimental data for full thruster controlled underwater vehicles operating over a range of operational velocities including station keeping to cruising modes. © 2006 IEEE.

关键词： Maneuverability

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