检索结果-内蒙古大学图书馆

IFAC/EURON Symposium on Intelligent Autonomous Vehicles

作者： Vacariu, Lucia Csaba, Blasko Peter Letia, Ioan Alfred Fodor, George Cret, Octavian Technical University of Cluj-Napoca Romania Faculty for Automation and Computer Science 26-28 Gh. Baritiu str. Cluj-Napoca400027 Romania ABB Automation Technology Products AB VasterasSE-721 59 Sweden Örebro University AASS Sweden

This paper presents a reusable framework for coordinating a team of mobile robots that can accomplish high level or tightly coupled missions, which could not be easily achieved using single robot solutions. To complete this task, we consider the behavior-based architecture model for the basic control layer. For coordinating the team of autonomous mobile robots, we use the agent-oriented software engineering paradigm. We apply the combination of a single and of multi-agent techniques for evaluating a search-and-rescue mission. The experiments are using the Pioneer 2 DX robot and the Saphira simulator. Copyright © 2003 IFAC

关键词： Mobile robots

来源：评论

学校读者我要写书评

暂无评论

Control of a handheld robot for orthopedic surgery 3

Control of a handheld robot for orthopedic surgery

引用

3rd IFAC Symposium on Mechatronic Systems 2004

作者： Wagner, A. Pott, P.P. Schwarz, M.L. Scharf, H.-P. Weiser, P. Köpfle, A. Männer, R. Badreddin, E. Department of Orthopedic Surgery Faculty of Clinical Medicine Mannheim University Heidelberg Germany Institute of CAE University of Applied Sciences Mannheim Germany Institute of Computer Science V University of Mannheim Germany Automation Laboratory University of Mannheim Germany

The controller design and implementation of a handheld surgical robot is presented. During the treatment of human bones the robot is able to compensate un-voluntary movements of the surgeon and of the patient and to find automatically the target position of the tool. The robot system is based on a Stewart-platform actuated by linear motors and on an optical tracking system. A cascade controller provides a local position and velocity control of the motor axes and an absolute position control in the world frame. To show the feasibility of the concept, cavities are milled into polystyrene-foam, while the robot is decoupled from the test bed. For clinical demands the robot has to be improved in the static and dynamic accuracy. Copyright © IFAC Mechatronic Systems, Sydney, Australia, 2004.

关键词： Position control

来源：评论

学校读者我要写书评

暂无评论

A novel approach to pneumatic position servo control of a glass wall cleaning robot

A novel approach to pneumatic position servo control of a gl...

引用

2004 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)

作者： Zhang, Houxiang Zhang, Jianwei Liu, Rong Zong, Guanghua Dept. TAMS Faculty of Computer Science University of Hamburg Vogt-Kölln-Straße 30 22527 Hamburg Germany Robotics Institute Sch. of Mech. Eng. and Automation BeiHang University Beijing China

ISBN: (纸本)0780384636

Taking Shanghai science and Technology Museum as the operation target, the robot named skycleaner which is totally actuated by pneumatic cylinders and is sucked to the glass walls with vacuum suckers is presented. In order to solve the problems of lower stiffness and the nonlinear movement characteristic of the pneumatic system, a method of segment and variable bang-bang controller is proposed to implement the accurate control of the position servo system using the principle of pneumatic pulse width-modulation (PWM). Testing results show that the controller can effectively improve the control quality. This implies that the method can meet the requirements of realization.

关键词： Robots

来源：评论

学校读者我要写书评

暂无评论

Interaction balance method for large-scale industrial processes with fuzzy constraints 10

Interaction balance method for large-scale industrial proces...

引用

10th IFAC/IFORS/IMACS/IFIP Symposium on Large Scale Systems: Theory and Applications, LSS 2004

作者： Gu, Jia-Chen Wan, Bai-Wu Ruan, Xiao-E Automation Research and Design Institute of Metallurgical Industry Beijing China Systems Engineering Institute State Key Laboratory for Manufacturing Systems Engineering Xi 'an Jiaotong University Xi 'an China Dept.of Electrical Engineering and Computer Science Korea Advanced Institute of Science and Technology Daejeon Korea Republic of Faculty of Science Xi'an Jiaotong University Xi'an China

The interaction balance method (IBM) with fuzzy constraints is proposed for large-scale industrial processes under hierarchical steady-state optimization with the consideration of the model-reality difference and the constraints of subprocesses being flexible. In this approach, the models that are treated as equality constraints and the inequality constraints of the subprocesses are all fuzzified. Two cases of interaction balance method are studied: the open-loop IBM and the IBM with global feedback. Simulation results show that the solutions of the proposed method with global feedback are very close to the optimal solutions of the real process. © 2004 IFAC.

关键词： Large scale systems

来源：评论

学校读者我要写书评

暂无评论

New trend in control of steady-state large-scale systems 10

New trend in control of steady-state large-scale systems

引用

10th IFAC/IFORS/IMACS/IFIP Symposium on Large Scale Systems: Theory and Applications, LSS 2004

作者： Wan, Bai-Wu Liu, Ding Ruan, Xiaoe Institute of Systems Engineering State Key Laboratory for Manufacturing Systems Engineering Xi'anJiaotong University China School of Automation Xi 'an University of Technology China Dept. of Electrical Engineering and Computer Science Korea Advanced Institute of Science and Technology 373-7 Guseong-dong Yuseong-gu Daejeon305-701 Korea Republic of Faculty of Science Xi 'anJiaotong University China

This paper reviews what the first Author and his Group have been investigating for the past decade in the on-line steady-state hierarchical intelligent control and optimization of large-scale industrial processes (LSIP), as well as large-scale systems (LSS). The techniques include the use of neural networks for identification and optimization, the use of expert systems to solve some kinds of hierarchical multi-objective optimization problems, the use of the fuzzy logic control and the use of the iterative learning control. In addition, several implementation examples and the product quality control for LSS are introduced. Finally the paper prospects the new stages of development. © 2004 IFAC.

关键词： Quality control

来源：评论

学校读者我要写书评

暂无评论

Verification of multiple input/multiple output business processes

Verification of multiple input/multiple output business proc...

引用

IEEE International Conference on Information Reuse and Integration (IRI)

作者： C. Badica C. Fox Faculty of Automation Computers and Electronics Software Engineering Department University of Craiova Craiova Romania Department of Computer Science University of Essex Colchester UK

In many business process modelling situations using Petri nets, the resulting model does not have a single input place and a single output place. Therefore, the correctness of the model cannot be assessed within the existing frameworks, which are devised for workflow nets - a particular class of Petri nets with a single input place and a single output place. Moreover, the existing approaches for tackling this problem are rather simplistic and they do not work even for simple examples. This paper shows that, by an appropriate reduction of a multiple input/multiple output Petri net, it is possible to use the existing techniques to check the correctness of the original process. The approach is demonstrated with an appropriate example.

关键词： Petri nets automation computer science Software engineering Business process re-engineering Job production systems Virtual manufacturing Information technology Technology management Management information systems

来源：评论

学校读者我要写书评

暂无评论

A novel approach to pneumatic position servo control of a glass wall cleaning robot

A novel approach to pneumatic position servo control of a gl...

引用

IEEE International Workshop on Intelligent Robots and Systems (IROS)

作者： Houxiang Zhang Jianwei Zhang Rong Liu Guanghua Zong Department TAMS Faculty of Computer Science University of Hamburg Hamburg Germany Robotics Institute School of Mechanical Engineering and Automation BeiHang University Beijing China

关键词： Servosystems Glass Cleaning Robots Nonlinear control systems Control systems Pulse width modulation Vacuum technology Pneumatic systems Servomechanisms

来源：评论

学校读者我要写书评

暂无评论

A multiagent cooperative mobile robotics approach for search and rescue missions

引用

IFAC Proceedings Volumes 2004年第8期37卷 962-967页

作者： Lucia Vacariu Blasko Peter Csaba Ioan Alfred Letia George Fodor Octavian Cret Technical University of Cluj-Napoca Romania The Faculty for Automation and Computer Science 26-28 Gh. Baritiu str. 400027 Cluj-Napoca Romania ABB Automation Technology Products AB SE-721 59 Vasteras Sweden and Örebro University AASS Sweden

This paper presents a reusable framework for coordinating a team of mobile robots that can accomplish high level or tightly coupled missions, which could not be easily achieved using single robot solutions. To complete this task, we consider the behavior-based architecture model for the basic control layer. For coordinating the team of autonomous mobile robots, we use the agent-oriented software engineering paradigm. We apply the combination of a single and of multiagent techniques for evaluating a search-and-rescue mission. The experiments are using the Pioneer 2 DX robot and the Saphira simulator.

关键词： agents architectures autonomous mobile robots communications controller cooperation

来源：评论

学校读者我要写书评

暂无评论

Optimizing supervision and control for industrial furnaces: Predictive control based design 4

Optimizing supervision and control for industrial furnaces: ...

引用

4th IFAC Workshop Automatic Systems for Building the Infrastructure in Developing Countries, DECOM-TT 2004

作者： Dimirovski, Georgi M. Dinibütün, A. Talha Vukobratovic, Miomir K. Zhao, J. Faculty of Electrical Engineering MK-1000 Skopje SS Cyril and Methodius University Macedonia Computer Engineering Department Faculty of Engineering Acibadem Dogus University Zeamet Sk. 21 Kadikoy IstanbulTR-34722 Turkey Centre of Robotics and Flexible Automation Institute Mihailo Pupin Belgrade11000 Serbia School of Information Science and Engineering Institute of Control Theory Northeastern University Shenyang Liaoning110004 China

A systems re-engineering technique to integrated control and supervision for applications to industrial multi-zone furnaces has been elaborated by using known theories on generalized predictive control and nonlinear programming. This paper presents the derivation of optimizing equations and inequalities. The design is based on the use of general predictive control to provide optimized set-points under the presumption a well designed regulatory control was implemented at the executive level. Digital implementation of control functions are sought within standard computer process control platform for practical engineering and maintenance reasons. Copyright © 2004 IFAC.

关键词： Integrated control

来源：评论

学校读者我要写书评

暂无评论

Restricted-domain Chinese automatic question-answering system based on question sentence similarity

Restricted-domain Chinese automatic question-answering syste...

引用

International Conference on Machine Learning and Cybernetics (ICMLC)

作者： Zheng-Tao Yu Xiao-Zhong Fan Peng-Cheng Ji The Faculty of Information Engineering and Automation Kunming University of Science and Technology Kunming P.R. China Department of Computer Science & Engineering Beijing Institute of Technology Beijing P.R.China

ISBN: (纸本)0780384032

It is an available pattern to implement auto answer in RDAQAS (restricted-domain automatic question-answering system) through calculating the similarity of target question sentences and question sentences in question sentences corpus, and then finding the most similar question sentences, and retrieving the answer finally and all these are based on HowNet and domain ontology. This paper introduces the building of financial domain ontology and question sentences corpus, then proposes the method to calculate similarity of question sentences based on keyword vector space method and semantic concept vector space method. The procedure of realization is described in details. The learning algorithm and learning course of getting question sentence semantic vectors based on the maximum entropy model are also introduced in detail. Finally, the experimental comparing data illustrates that the similarity calculation method based on the semantic concept is more superior to that based on the keyword.

关键词： Ontologies Dictionaries Information retrieval Entropy Databases Finance computer science automation Data mining Content based retrieval

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：