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亚洲精细农业与计算机农业应用联合大会

作者： ZHU JUN 1 , MA SHUO SHI 1,BI YU-GE 1 , WANG LI ZHONG 2 1 College of Mechanical and Electrical, Inner Mongolia Agriculture University, No.306 Zhaowuda Road, Hhht, China 2 College of computer and Information Engineering, Inner Mongolia Agriculture University, No.306 Zhaowuda Road, Hhht, China

In recent years, with the development of science and technology, large-scale concentration feeding method is adopted in the modernization pig-raising in our country, meanwhile it proposes higher requirement for the environment of pig house. The quality of pigsty’s environment has direct effluence on both health status and production performance of swine;therefore it is necessary to further improve the quality of pigsty’s environment, so that we can increase the productivity of pig-raising. There are many influencing factors in the pig house. The temperature, humidity, NH 3 and ventilation are the main influencing factors of the pig house in these factors. These factors have restriction and influence each other;they constitute a non-linear, multi-variable and strong coupling system. For such system, it is difficult to establish accurate mathematical model using traditional method. In this paper, the controlling model is established based on fuzzy logical mathematical algorithm for the environment of pig house, then we can complete the fuzzy control for temperature, humidity and monitor the ammonia concentration in the pig house by opening fan. The influencing factors of the pig house are treated through fuzzy algorithm: in the first place, we must determine the control variables for each factors;secondly, according to practical experience of breeder and relevant national standard, the fuzzy rule tables of influencing factors are established;at last, we make the control variable decouple so as to connect with the concrete control equipment’s procedure, the ideal control status is obtained. Comparing the fuzzy control method with the traditional PID method, we can know that fuzzy control method, which is applied in multi-variable and strong coupling;make more accuracy and real-time controlling of the pig environment house. Through a series of fuzzy processing, finally, we can realize the intelligent control of pigsty’s environment in real-time and omni-directional mode

关键词： Environment of Modernization Pig House, Intelligent Controlling, Fuzzy Intelligent Controlling

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Exploring computer-based multilingual negotiation support for English-Chinese dyads: can we negotiate in our native languages

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BEHAVIOUR & INFORMATION technology 2008年第2期27卷 139-151页

作者： Lim, John Yang, Yin Ping Natl Univ Singapore Sch Comp Singapore 117548 Singapore

The increasing number of international negotiations involving multiple languages has triggered a growing reliance on computer-based multilingual support. Whereas empirical studies on negotiation support systems (NSS) have shown that NSS generally improve negotiation performance, very few NSS exist that cater for multilingual negotiations. With multilingual support, international negotiators of different language backgrounds are expected to address communication barriers and problems. This study involves the development of an NSS prototype with multilingual support as well as a laboratory experiment to examine the efficacy of such support on six important negotiation outcome variables (individual outcome, joint outcome, equality of outcome, time to settlement, satisfaction with process and satisfaction with outcome). Findings suggested significant effects of NSS support on individual outcome and joint outcome. Multilingual support helped to improve equality of outcome (under qualified conditions), but the time taken was significantly longer. The paper underlines the possibility and significance of computer-based multilingual support to address diverse linguistic groups in global negotiation context.

关键词： multilingual support negotiation support systems e-negotiations culture language translation

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A comprehensive analysis of degree based condition for Hamiltonian cycles

A comprehensive analysis of degree based condition for Hamil...

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11th international conference on computer and Information technology, ICCIT 2008

作者： Hasan, Md. Kamrul Kaykobad, Mohammad Lee, Young-Koo Lee, Sungyoung Ubiquitous Computing Lab Department of Computer Engineering Kyung Hee University Korea Republic of Department of Computer Science and Engineering Bangladesh University of Engineering and Technology Bangladesh

ISBN: (纸本)9781424421367

Rahman and Kaykobad introduced a shortest distance based condition for finding the existence of Hamiltonian paths in graphs as follows: Let G be a connected graph with n vertices, and if d(u) + d(v) + δ(u,v) ≥ n + 1, for each pair of distinct non-adjacent vertices uand v in G, where δ(u, v) is the length of a shortest path between u and v , then G has Hamiltonian path. Rao Li proved that under the same condition, the graph is Hamiltonian or belongs to two different classes of graphs. Recently, Mehedy, Hasan and Kaykobad showed case by casethat under the condition of Rahman and Kaykobad, the graph is Hamiltonian with exceptions for δ(u, v) =2. Shengjia Li et. al. mentions a graph to be Hamiltonian whenever d(u) + d(v) ≥ n - 1 , for all δ(u, v) =2 , otherwise n is odd and the graph falls into a special class. This paper relates the results of Mehedy, Hasan and Kaykobad with the two exceptional classes of graphs introduced by Rao Li and the graph class introduced by Shengjia Li et. al. The paper also provides a thorough analysis of the graph classes and shows the characteristics of a graph when it falls into one of those classes. ©2008 IEEE.

关键词： Hamiltonians

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Integrated data analysis and dynamic fracture modelling key to understand complex waterflood: Case study of the pierce field, north sea

Integrated data analysis and dynamic fracture modelling key ...

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3rd IPM international conference on Fundamentals of Software Engineering, conference, FSEN 2009

作者： Hustedt, B. Snippe, J.R. SPE Shell International Exploration and Production SPE Shell U.K. Limited United Kingdom

ISBN: (纸本)9781605609546

The performance of many waterfloods (and EOR schemes) is characterized by fluid injection under fracturing conditions. Especially when the geology is complex and the mobility of the reservoir is low induced fractures can be of the same order as the well spacing, which has a significant (in general undesired) impact on both areal sweep and vertical conformance. Therefore, fluid injection needs to be actively managed and surveyed in order to design an appropriate injection strategy over time. We have analyzed historical injection/production, injection step-rate, and fall-off test data of an existing complex waterflood in the Pierce field, North Sea. The mental subsurface model that emerged from this data analysis was further developed through a series of dynamic fracture propagation simulations. While the data analysis was a relatively standard procedure, the fracture modeling part was far from trivial and included simulations using a stand-alone fracture-modeling tool and a more sophisticated coupled dynamic fracture propagation-reservoir simulator, both being in-house software tools. The combined analysis was used to develop a better understanding of the waterflood performance. The main improvement compared to previous work was the integration of the data analysis and the dynamic modeling work rather than looking at each data source individually. In combination a consistent explanation of the observed reservoir behavior was achieved. This has resulted in changes in the day-to-day water injection management and is deemed to play a key role in longer-term development strategies. Copyright 2008, international Petrolieum technology Confrence.

关键词： computer software

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Robust interactive storytelling framework for automatic TV content/story production

Robust interactive storytelling framework for automatic TV c...

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7th international conference on Entertainment Computing, ICEC 2008

作者： Abd El-Sattar, Hussein Karam Hussein Ain Shams University Faculty of Science Mathematics and Computer Science Department Abbassia 11566 Cairo Egypt

ISBN: (纸本)3540892214

With the rapid advancement of hardware and software, entertainment computing industry has been popularized during the last decade. TV content/story production is a major bottleneck in the entertainment industry. Previous work has identified key problems, such as narrative control, the duality between character and plot, the tension between interactivity and storytelling, and the tools that artists can use to create interactive story worlds. Due to the tradeoff between narrative progression and user interaction, striking a balance between the two is a big challenge. As a solution to such a challenge, Bcreative system has been developed. It is a unified prototype of both plot-based and character-based interactive storytelling. The idea is derived from the study of both Petri nets (PN) and cinematography in interactive storytelling. The system architecture is composed of two engines: a story engine and a character engine through a smart user-friendly graphical user interface (GUI). The story engine models the story plot based on the Petri nets (PN) reachability analysis, while the character engine enhances the modeling of character behavior based on filmmaking theory. This paper discusses the development process of our proposed system, illustrating the design and implementation in detail. Comparisons with existing techniques are included, and the advantages of our proposed system over existing ones are examined. Evaluation and practical performance results are also demonstrated. © 2009 Springer Berlin Heidelberg.

关键词： Engines

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development OF A GENERAL PRINCIPLE SOLUTION FOR ISOAGRINET COMPLIANT NETWORKING SYSTEM COMPONENTS IN ANIMAL HUSBANDRY

DEVELOPMENT OF A GENERAL PRINCIPLE SOLUTION FOR ISOAGRINET C...

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The Second IFIP international conference on computer and Computing Technologies in Agriculture (CCTA2008)

作者： Arne Kuhlmann Daniel Herd Benjamin Rβler Eva Gallmann Thomas Jungbluth University of Hohenheim Institute of Agricultural Engineering (440b)

In pig production software and electronic systems are widely used for process control and management. Unfortunately most devices on farms are proprietary solutions and autonomically working. To unify data communication of devices in agricultural husbandry, the international standard ISOagriNET (ISO 17532:2007) was developed. It defines data formats and exchange protocols, to link up devices like climate controls, feeding systems and sensors, but also management software. The aim of the research project, "Information and Data Collection in Livestock Systems" is to develop an ISOagriNET compliant IT system, a so called Farming Cell. It integrates all electronic components to acquire the available data and information for pig fattening. That way, an additional benefit to humans, animals and the environment regarding process control and documentation, can be generated. Developing the Farming Cell is very complex;in detail it is very difficult and long-winded to integrate hardware and software by various vendors into an ISOagriNET compliant IT system. This ISOagriNET prototype shows as a test environment the potential of this new standard.

关键词： Data exchange, farm network, database, ISOagriNET, Farming Cell, IT FoodTrace, TINI, NSLU2

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System management services for high-performance in-situ aerospace computing

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Journal of Aerospace Computing, Information and Communication 2007年第2期4卷 636-656页

作者： Troxel, Ian Grobelny, Eric George, Alan D. Research Laboratory University of Florida Gainesville FL 32611-6200 Electrical and Computer Engineering Department AIAA

With the ever-increasing demand for higher bandwidth and processing capacity of today's space exploration, space science, and defense missions, the ability to efficiently apply commercial-off-the-shelf technology for on-board computing is now a critical need. In response to this need, NASA's New Millennium Program office has commissioned the development of the Dependable Multiprocessor for use in payload and robotic missions. The Dependable Multiprocessor system provides power-efficient, high-performance, fault-tolerant cluster computing resources in a cost-effective and scalable manner. As a major step toward the flight system to be launched in 2009, Honeywell and the University of Florida have successfully investigated and developed a management system and associated middle-ware components to make the processing of science-mission data as easy in space as it is in ground-based clusters. This paper provides a detailed description of the Dependable Multiprocessor's middleware technology and experimental results validating the concept and demonstrating the system's scalability even in the presence of faults. Copyright ©2007 by the American Institute of Aeronautics and Astronautics, Inc. All rights reserved.

关键词： Aerospace engineering

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Improving usability of collaborative scientific visualization systems

Improving usability of collaborative scientific visualizatio...

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6th IASTED international conference on Visualization, Imaging, and Image Processing, VIIP 2006

作者： Casera, Steve Nägeli, Hans-Heinrich Kropf, Peter Computer Science Department University of Neuchâtel Rue Emile-Argand 11 2009 Neuchâtel Switzerland

ISBN: (纸本)0889865981

This paper presents the key features of a collaborative visualization system. It discusses the main challenges of remote collaboration in the case of scientific visualization and presents our solutions. Our system provides a group of geographically distributed scientists the means of sharing their data, of interactively creating visualizations, and of analyzing them. This allows for shorter turnaround times compared to a more traditional approach. Our main objectives are to improve the ease of use as well as the cognitive efficiency and to minimize the waiting time for the participants in collaborative efforts. The main challenges we identified include the support of network heterogeneity, portability, ease-of-use, privacy, configuration of the working mode, strategy for coordinating access to shared resources, and for granting, respectively controlling permissions of operation. Real-time collaboration in current distributed groupware workspaces is often a difficult and awkward process. Being aware of what the other participants of a session are doing is an important issue in such a collaboration. In scientific visualization the data volume that is involved may be huge. We present three different methods of data transfer, compare their efficiency with respect to particular application scenarios, and give results of our tests.

关键词： Data visualization

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The design of efficient ground software tools

The design of efficient ground software tools

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IEEE international conference on Space Mission Challenges for Information technology, SMC-IT

作者： M. McCurdy G. Pyrzak A. Vera NASA Washington DC US

This paper describes the role of human-computer interaction (HCI) design in the development and deployment of mission systems. We make the argument that more broad application of HCI methods and practice will be necessary to complete the ambitious objectives of future missions. In particular, the introduction of increased autonomy, reduction of ops personnel, increasingly tactical nature of surface operations, and more distributed mission ground operations present unique challenges that must be met with sound HCI-driven solutions. We describe a case study from where solid underlying technology was hindered by lack of attention to HCI issues, and describe how this is being remedied moving forward. Future missions will require planning processes to be much more efficient (orders of magnitude) than what was achieved for the Mars Exploration Rovers mission (2003). The case study focuses on the critical shift from the MAPGEN software used for tactical activity planning on MER to SPIFe, now base-lined for the Phoenix 2007 and MSL 2009 missions. MAPGEN added automated planning functionality (Europa) to the APGEN manual planning tool. SPIFe provides a next generation interface designed specifically to take advantage of an automated planner. The design of SPIFe is based on hundreds of hours of observation and operations experience on MER. This paper examines how key HCI lessons learned are being fed forward into this new set of planning tools, SPIFe and Europa 2

关键词： Software tools Human computer interaction NASA Process planning Personnel Solids Mars Visualization Linear feedback control systems Iterative methods

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Mission computer replacement prototype for special operations forces aircraft. An application of commercial technology to avionics

Mission computer replacement prototype for special operation...

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19th Digital Avionics Systems conference (DASC)

作者： Lowery, Harold Mitchell, Brian Warner Robins Air Logistics Cent Robins AFB United States

The Air Force Special Operations Command (AFSOC) is working in collaboration with the Special Operations Forces (SOF) systems to improve the reliability and maintainability of SOF fixed wing aircraft avionics by developing the Mission computer Replacement Prototype (MCRP). The MCRP is used to design, build and demonstrate a replacement mission computer that is applicable across SOF aircraft. Software development costs can be cut significantly through the use of an instruction set emulator.

关键词： Avionics

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