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Proceedings. 5th IEEE International Symposium on Intelligent Control 1990

5-7 Sept. 1990

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Displaying Results 1 - 25 of 194
  • The role of rhythm in nervous processing

    Publication Year: 1990
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (103 KB)

    Summary form only given. Throughout the history of neuroscience, interneuron communication has usually been considered under the simplifying assumption of frequency-modulated (FM) encoding. In newer artificial neural networks, this same view has justified the abstraction of real neural pulse trains into hypothesized neuron activation levels: continuously varying scalars representing the short-term... View full abstract»

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  • Proceedings. 5th IEEE International Symposium on Intelligent Control 1990 (Cat. No.90TH0333-5)

    Publication Year: 1990
    Request permission for commercial reuse | PDF file iconPDF (378 KB)
    Freely Available from IEEE
  • Geometrical matching of images: potential functions and moments

    Publication Year: 1990, Page(s):192 - 199
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (576 KB)

    A theory for computational geometry appropriate for geometrical objects specified by point sets (in effect, binary images) is developed. The theory deals with the determination of the transformation that brings two images into registration, and the similarity of optimally registered sets. Several classes of geometric transformations are considered: translation, congruence, and similarity transform... View full abstract»

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  • The formalist manifesto [artificial intelligence]

    Publication Year: 1990, Page(s):1152 - 1155 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (260 KB)

    A categorical model of problem solving is introduced. The concept is that domain-dependent knowledge can also take the form of structural knowledge about the domain and, more specifically, that the decomposition methods that have proved to be so effective in mathematical reasoning can also be applied in the case of artificial intelligence systems. The fact that such knowledge is superficially more... View full abstract»

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  • Intelligent control of action: a brief case for cases

    Publication Year: 1990, Page(s):401 - 403 vol.1
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (304 KB)

    It is suggested that developing systems that exhibit intelligent, adaptive control of action can be usefully approached from the perspective of symbolic case-based problem solving supported by a distributed memory representation for the cases. It is also suggested that (1) attempting to prewire solutions to a wide range of potential planning failures is not feasible, either practically or theoreti... View full abstract»

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  • Conservation-minded evolution of shape

    Publication Year: 1990, Page(s):185 - 190 vol.1
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (424 KB)

    Most natural and artificial systems rely heavily on vision to recognize, manipulate, and navigate within a world of objects. Although shape is a key element in this process, its representation and analysis have proved to be a difficult, multifaceted problem. A framework, based on conservation laws, which gives rise to computational elements for shape parts, protrusions, and bends, is proposed. The... View full abstract»

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  • Expert system applications to power engineering control design

    Publication Year: 1990, Page(s):1145 - 1150 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (496 KB)

    The feasibility of applying expert system methodologies to power engineering control design problems is addressed. First, the general concept of artificial intelligence (AI) implementation of design problem-solving techniques and the particular requirements for application to power engineering are discussed. Next, two expert systems, developed by the authors, are described: an expert system for th... View full abstract»

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  • Knowledge representations for learning control

    Publication Year: 1990, Page(s):389 - 399 vol.1
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (924 KB)

    Covers such issues as the meaning of representation, the role representation plays in programs for learning control, expressive power of particular representation schemes, and the impact of choosing a particular representation on the complexity of reasoning and learning. The authors cover intelligence-in-the limb versus intelligence; learning efficiency as the critical issue in learning control, s... View full abstract»

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  • Harmonic analysis for the affine group of visual motion

    Publication Year: 1990, Page(s):176 - 181 vol.1
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (520 KB)

    For the task of 3D visuomotor tracking, local image-based transformations of moving object surfaces can be modeled by a six-parameter affine group on the 2D intensity function. The six degrees of freedom of the Euclidean rigid-body motion group project perspectively to a unique six-dimensional vector field group. This allows convolution kernels, to be specified by the invariants of the subgroups o... View full abstract»

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  • Expert system applications to power systems operation

    Publication Year: 1990, Page(s):1139 - 1144 vol.2
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (492 KB)

    The state of the art of expert systems applications in Japan is briefly reviewed. The experience gained during the practical development of expert systems for system restoration and operation planning is presented. The key issues in developing the knowledge-based systems, including knowledge acquisition, evaluation of the system, man-machine interface, and integration with the existing environment... View full abstract»

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  • Toward learning time-varying functions with high input dimensionality

    Publication Year: 1990, Page(s):383 - 388 vol.1
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (508 KB)

    Adaptive control problems in which the control law changes over time are considered. Such problems arise in robotics applications in which unanticipated variations in sensors, effectors, and the work environment change the desired input/output behavior of the controller. The problems are characterized in terms of learning an input/output function, and algorithms are presented for quick learning of... View full abstract»

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  • Active perception for legged locomotion: every step is an experiment

    Publication Year: 1990, Page(s):227 - 232 vol.1
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (408 KB)

    A legged robot can use its legs not only for locomotion but also to identify the material properties and shape of the terrain it traverses. The author formulates active perception techniques based on force/torque sensing to identify terrain stiffness and surface friction, and he presents the results of applying the techniques to characterize terrain transversability. He also describes purposeful c... View full abstract»

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  • Integration of planning control and manufacturing process design system for contemporary production

    Publication Year: 1990, Page(s):988 - 991 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (256 KB)

    The author presents problems, perspectives, and strategies for high-level automated contemporary production. It is pointed out that automation levels are determined by manufacturing goals and product complexity. Increasing the effectiveness of an integrated manufacturing system entails the creation of an integrated intensive data exchange information system comprising planning, technology, design,... View full abstract»

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  • A low-latency 60 Hz stereo vision system for real-time visual control

    Publication Year: 1990, Page(s):165 - 170 vol.1
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (656 KB)

    The author presents an image acquisition and processing system designed for real-time six-dimensional object tracking with the precise temporal semantics and low latency required for use within the feedback loops of robotic applications. To achieve real-time performance, the system must extract from the image only the information needed to accomplish the task. Successful task performance depends o... View full abstract»

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  • Trends in shop floor control: modularity, hierarchy, and decentralization

    Publication Year: 1990, Page(s):45 - 51 vol.1
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (604 KB)

    Computational architectures for shop floor control in automated job shops and midvolume manufacturing facilities are evolving into three identifiable forms, which are contrasted here. The first architecture, termed the modular approach, is based on earlier monolithic MRP/order-release systems and is typified by recent CIM (computer-integrated manufacturing) product offerings such as GEs CIMPLICITY... View full abstract»

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  • Reliability and fault tolerance issues in intelligent computing systems

    Publication Year: 1990, Page(s):267 - 272 vol.1
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (548 KB)

    An overview of important technical issues associated with the reliability and fault tolerance of intelligent computing systems is presented. Four specific topics are covered, including : (1) fundamental concepts in fault-tolerant computing, (2) dependability measures, (3) fault tolerance in real-time systems, and (4) fault tolerance in neural networks. Basic concepts in fault-tolerant computing an... View full abstract»

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  • CAD/simulation for dynamic environments

    Publication Year: 1990, Page(s):1018 - 1025 vol.2
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (576 KB)

    The architecture and working of a flexible multiple mobile robot system (MMRS) are described. The use of a path network to define allowed paths for the mobile robots is proposed. This greatly simplifies the detection of possible collisions between the robots and the problem of replanning the motion. The MMRS is divided into three main components standard pattern, central controller, and individual... View full abstract»

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  • Planning knowledge and game-theoretic models for cooperative assembly

    Publication Year: 1990, Page(s):957 - 962 vol.2
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (540 KB)

    A knowledge-based planning and control approach that involves game-theoretic models for cooperation among distributed machines is developed. The cooperation modes are classified into three types: mandatory, optional, and concurrent. The planning issue deals with two main problems: description of assembly tasks with associated cooperation knowledge and assignment of individual or collective tasks t... View full abstract»

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  • Selection of optimal monitoring locations in real-time intelligent reconfigurable control systems

    Publication Year: 1990, Page(s):766 - 770 vol.2
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (356 KB)

    The performance of real-time intelligent reconfigurable control systems is directly related to their performance monitoring and the fault detection algorithms used. Issues in selecting suitable locations for real-time information collection are considered. Every accessible location in a typical feedback control system is analyzed and the most adequate variables in the control loop are determined f... View full abstract»

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  • Robotics in intelligent manufacturing: IMPAQT activities

    Publication Year: 1990, Page(s):1205 - 1210 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (608 KB)

    The Center for Intelligent Manufacturing, Processing, and Quality Technologies (IMPAQT) at Drexel University was established to integrate education, research, and technology transfer in technical and business fields which are associated with intelligent manufacturing and processing. A report on some of the Center's ongoing robotics activities is presented. Projects described are: (1) interpretatio... View full abstract»

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  • Qualitative assessment of voltage problems due to contingencies in a power system

    Publication Year: 1990, Page(s):1133 - 1138 vol.2
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (404 KB)

    The results of applying decision trees to qualitative assessment of the impact due to contingencies in a power system are described. Two applications are considered: (1) the assessment of the voltage deviation at a target bus and (2) the selection of contingencies causing voltage limit violations. The results show that selection of relevant attributes is important in building effective decision tr... View full abstract»

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  • Reliable high precision positioning for intelligent machines

    Publication Year: 1990, Page(s):376 - 381 vol.1
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (416 KB)

    In order for intelligent machines to proceed successfully from perception to action, the high-precision positioning accuracy of robotic manipulators is considered. First, accuracy estimates for two algorithms are derived and shown to depend upon the condition number of the manipulator Jacobian. Statistics for the positioning error are estimated using maximum-likelihood estimation. These statistics... View full abstract»

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  • New progress in prediction and interpretation of line-drawings of curved 3D objects

    Publication Year: 1990, Page(s):220 - 225 vol.1
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (516 KB)

    Explores three aspects of curved 3D object recognition from monocular image contours: quantitative interpretation of contour position, orientation, and curvature: qualitative prediction of contour topology in the form of exact aspect graphs: and hybrid interpretation of contour features such as cusps, inflections, and t-junctions. Preliminary results are presented View full abstract»

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  • Network hierarchy in brain control of feeding behavior

    Publication Year: 1990, Page(s):67 - 70 vol.1
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (332 KB)

    Brain microdialysis allows neurotransmitters released in localized brain regions of live animals to be sampled. In the research described, microdialysis is used to measure the release of neurotransmitters that modulate networks of neurons at various levels of the nervous system. The neural systems that reward feeding behavior are studied. The results also apply to artificial rewards, such as elect... View full abstract»

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  • Organizing engineering designs and design techniques

    Publication Year: 1990, Page(s):977 - 984 vol.2
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (628 KB)

    The authors present an approach to organizing engineering designs and design techniques in a database system. This database system stores existing designs and provides a mechanism for capturing the design process in the database. The authors develop the notions of assembly objects and component objects, define the idea of design dependencies among objects and explain dependencies in terms of const... View full abstract»

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