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Proceedings IEEE International Symposium on Intelligent Control 1988最新文献

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An expert system based load monitoring and scheduling system for load balancing in distributed systems 基于专家系统的分布式系统负载监控与调度系统
Proceedings IEEE International Symposium on Intelligent Control 1988 Pub Date : 1988-08-24 DOI: 10.1109/ISIC.1988.65433
V. Mittal, M. Singhal
{"title":"An expert system based load monitoring and scheduling system for load balancing in distributed systems","authors":"V. Mittal, M. Singhal","doi":"10.1109/ISIC.1988.65433","DOIUrl":"https://doi.org/10.1109/ISIC.1988.65433","url":null,"abstract":"It is argued that an expert system provides an ideal architecture for distributed control where each controller has to use information about the state of other decision makers to reach a common goal. It is suggested that an expert system is a viable tool for distributed problem solving where each solver has to monitor the state of other solvers and make decisions based on its approximate knowledge about other solvers. The authors illustrate this approach by taking the example of distributed load balancing. They present an expert-system-based architecture for load balancing in distributed systems. The system showed promising results during preliminary analysis. The system currently contains about 20 specialists and promises to be exceptionally robust and easily scalable. It is extremely fault tolerant and can function effectively in a changing environment.<<ETX>>","PeriodicalId":155616,"journal":{"name":"Proceedings IEEE International Symposium on Intelligent Control 1988","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121952214","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: 2
Adaptive design of Petri net controllers for automatic error recovery Petri网控制器的自适应误差自动恢复设计
Proceedings IEEE International Symposium on Intelligent Control 1988 Pub Date : 1988-08-24 DOI: 10.1109/ISIC.1988.65508
Mengchu Zhou, F. DiCesare
{"title":"Adaptive design of Petri net controllers for automatic error recovery","authors":"Mengchu Zhou, F. DiCesare","doi":"10.1109/ISIC.1988.65508","DOIUrl":"https://doi.org/10.1109/ISIC.1988.65508","url":null,"abstract":"The concept of Petri net controllers for automatic error recovery is discussed, and their adaptive design is studied. The Petri net controller aims at the control of a manufacturing system and execution of the error recovery plan. Four basic Petri net augmentation methods are investigated. When these methods are used to augment the Petri net controller, some important structural properties of the controller are guaranteed to be preserved by developing and proving four theorems. In the present Petri net controller, a place that represents an operation or a state of a machine is attached to two functions and a constant so that a system can work with both normal states and abnormal states. In addition, it is possible to detect an error with the controller. An example concerning a robotic assembly cell with two robots and two types of parts is given. A number of future research directions are indicated.<<ETX>>","PeriodicalId":155616,"journal":{"name":"Proceedings IEEE International Symposium on Intelligent Control 1988","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125350375","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: 4
Time domain effects of model order reduction 模型降阶的时域效应
Proceedings IEEE International Symposium on Intelligent Control 1988 Pub Date : 1988-08-24 DOI: 10.1109/ISIC.1988.65499
R.J. Dudginski, R. Colgren
{"title":"Time domain effects of model order reduction","authors":"R.J. Dudginski, R. Colgren","doi":"10.1109/ISIC.1988.65499","DOIUrl":"https://doi.org/10.1109/ISIC.1988.65499","url":null,"abstract":"It is suggested that a preliminary and essential step in the design of flight control systems for highly augmented aircraft is obtaining an accurate open-loop dynamics model. Very large-order open-loop state-space models are constructed from analytical and empirical data obtained from knowledge of the vehicle's aerodynamics, propulsion, and structure dynamics. A balancing methodology for reducing a very large-order state-space representation to a more practical size is discussed. The balancing algorithm has a frequency domain error bound that guarantees the the magnitude of the reduced-order model's frequency response will be bounded. It is suggested that implementing techniques to preserve the number of nonminimum-phase zeros while performing model order reduction, and using residualizaton to match the steady-state magnitude, should improve the time history responses. A 140th-order aeroservoelastic model and a fourth-order critically damped system with an oscillator are considered as examples.<<ETX>>","PeriodicalId":155616,"journal":{"name":"Proceedings IEEE International Symposium on Intelligent Control 1988","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126732026","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: 5
Three examples of sensing for intelligent control 三个智能控制传感的例子
Proceedings IEEE International Symposium on Intelligent Control 1988 Pub Date : 1988-08-24 DOI: 10.1109/ISIC.1988.65417
P. Mowforth, E. Grant
{"title":"Three examples of sensing for intelligent control","authors":"P. Mowforth, E. Grant","doi":"10.1109/ISIC.1988.65417","DOIUrl":"https://doi.org/10.1109/ISIC.1988.65417","url":null,"abstract":"Three studies that broadly relate to the issue of sensing for intelligent robotic are reviewed. The first involves the data-driven construction of a dynamic world model for use in mobile robot navigation. The second demonstrates a machine learned, rule-based controller for a pole and cart problem. The third, for which results are provided, is a sensory integration exercise involving a vision and a taction system embedded in a multirobot work-cell.<<ETX>>","PeriodicalId":155616,"journal":{"name":"Proceedings IEEE International Symposium on Intelligent Control 1988","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129157154","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: 1
Learning in a multiresolutional conceptual framework 多分辨率概念框架下的学习
Proceedings IEEE International Symposium on Intelligent Control 1988 Pub Date : 1988-08-24 DOI: 10.1109/ISIC.1988.65492
R. Bhatt, D. Gaw, A. Meystel
{"title":"Learning in a multiresolutional conceptual framework","authors":"R. Bhatt, D. Gaw, A. Meystel","doi":"10.1109/ISIC.1988.65492","DOIUrl":"https://doi.org/10.1109/ISIC.1988.65492","url":null,"abstract":"A real-time system for the control of an autonomous vehicle consisting of a nested hierarchy of control modules is discussed. The proposed intelligent controller has nonhomogeneous knowledge representation and a neural-network-based decision-making system operating in real time. The focus is on the Pilot module, which provides the real-time guidance of the system. It is responsible for the generation and tracking of dynamically feasible trajectories which follow the planned path given by the upper level (Navigator) and avoid local obstacles. Control of a complex system (mobile robot) is facilitated by the use of a feedforward neural network. How such an approach addresses constant response time of decision-making (control) and online learning and adaptability is discussed. Dealing with constraints is done via a multiresolutional system of dynamic avoidance regions, which are analogous to the concept of potential field by require much simpler representation and computational procedures.<<ETX>>","PeriodicalId":155616,"journal":{"name":"Proceedings IEEE International Symposium on Intelligent Control 1988","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130614771","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: 2
A uniform object/process model for autonomous vehicle component communication 自动驾驶车辆组件通信的统一对象/过程模型
Proceedings IEEE International Symposium on Intelligent Control 1988 Pub Date : 1988-08-24 DOI: 10.1109/ISIC.1988.65415
M. Grover
{"title":"A uniform object/process model for autonomous vehicle component communication","authors":"M. Grover","doi":"10.1109/ISIC.1988.65415","DOIUrl":"https://doi.org/10.1109/ISIC.1988.65415","url":null,"abstract":"A uniform object/process model and a corresponding communication protocol between asynchronous software components in an autonomous vehicle are presented. The object holds state information and reacts to stimuli from other components. The process performs the input, output, and data manipulation tasks of the module. Components interact via a cuing mechanism and through shared request functions for data, sensor, and effector resources. The system includes blackboards and a resource manager as an intermediary between components. A testbed, the generic vehicle autonomy system, implements the model. The utility of the testbed includes the ability to experiment with differing sensor and vehicle models and the ease of integration of separately developed autonomous vehicle software components.<<ETX>>","PeriodicalId":155616,"journal":{"name":"Proceedings IEEE International Symposium on Intelligent Control 1988","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128111772","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: 2
A parallel architecture for texture analysis based on the concept of associative memory 基于联想记忆概念的纹理分析并行架构
Proceedings IEEE International Symposium on Intelligent Control 1988 Pub Date : 1988-08-24 DOI: 10.1109/ISIC.1988.65504
H. Araujo, A. de Almeida
{"title":"A parallel architecture for texture analysis based on the concept of associative memory","authors":"H. Araujo, A. de Almeida","doi":"10.1109/ISIC.1988.65504","DOIUrl":"https://doi.org/10.1109/ISIC.1988.65504","url":null,"abstract":"A special architecture for texture analysis and recognition that is inherently parallel and aimed at hardware implementation is described. It has the advantage of making possible real-time recognition (at frame rates). The architecture is based on the concept of associative memory, which has learning and recognizing capabilities. This architecture achieved high rates of recognition. With image processing, over 90% correct classification was obtained. Starting from the concept of associative memory, several implementations were considered and compared.<<ETX>>","PeriodicalId":155616,"journal":{"name":"Proceedings IEEE International Symposium on Intelligent Control 1988","volume":"526 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133139242","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: 1
Application of connectionist learning methods to manufacturing process monitoring 连接学习方法在制造过程监控中的应用
Proceedings IEEE International Symposium on Intelligent Control 1988 Pub Date : 1988-08-24 DOI: 10.1109/ISIC.1988.65518
J. Franklin, R. Sutton, C. Anderson
{"title":"Application of connectionist learning methods to manufacturing process monitoring","authors":"J. Franklin, R. Sutton, C. Anderson","doi":"10.1109/ISIC.1988.65518","DOIUrl":"https://doi.org/10.1109/ISIC.1988.65518","url":null,"abstract":"It is demonstrated that connectionist learning networks can monitor manufacturing processes to determine causal relationships with an accuracy competitive with that of conventional statistical techniques. Moreover, the network operates online, in realtime, and with substantial savings in computational complexity as compared with conventional CIM techniques. Two approaches are compared. One employs standard procedures to find correlations between sensor measurements and quality. The sensor data from the production line are collected over a period of time, and correlations are made offline at infrequent intervals using analyses such as linear regression. The second approach is to estimate the correlations incrementally, as the data are collected, online and in real-time. The estimates are updated incrementally using connectionist learning procedures. Simulation results are presented for a fluorescent bulb manufacturing line.<<ETX>>","PeriodicalId":155616,"journal":{"name":"Proceedings IEEE International Symposium on Intelligent Control 1988","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124323235","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
CORDIC-based architectures for robot direct kinematics and Jacobian computations 基于cordic的机器人直接运动学和雅可比矩阵计算体系结构
Proceedings IEEE International Symposium on Intelligent Control 1988 Pub Date : 1988-08-24 DOI: 10.1109/ISIC.1988.65500
C.s.g. Lee
{"title":"CORDIC-based architectures for robot direct kinematics and Jacobian computations","authors":"C.s.g. Lee","doi":"10.1109/ISIC.1988.65500","DOIUrl":"https://doi.org/10.1109/ISIC.1988.65500","url":null,"abstract":"Two efficient CORDIC-based architectures, designed to take advantage of the algorithmic characteristics of the kinematic equation, are proposed for the real-time computation of manipulator direct kinematics and Jacobian. The kinematic equation of an N-jointed manipulator involves the chain product of N homogeneous link transformation matrices and reveals the requirement for computing a large set of elementary operations: multiplications, additions, and trigonometric functions. Since these elementary operations, in general, cannot be efficiently computed in genera-purpose uniprocessor computers, the coordinate rotation digital computer (CORDIC) algorithms are used. It is found that a general homogeneous link transformation matrix can be decomposed into a product of two matrices, each of which can be computed by two CORDIC processors arranged in parallel, forming a generic two-stage cascade CORDIC computational module.<<ETX>>","PeriodicalId":155616,"journal":{"name":"Proceedings IEEE International Symposium on Intelligent Control 1988","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128692813","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
Machine learning in a dynamic world 动态世界中的机器学习
Proceedings IEEE International Symposium on Intelligent Control 1988 Pub Date : 1988-08-24 DOI: 10.1109/ISIC.1988.65482
M. Kokar
{"title":"Machine learning in a dynamic world","authors":"M. Kokar","doi":"10.1109/ISIC.1988.65482","DOIUrl":"https://doi.org/10.1109/ISIC.1988.65482","url":null,"abstract":"The paper discusses the interactions between machine learning and intelligent control. The presentation is divided into four sections. The first section is devoted to the trends in the development of the two disciplines, machine learning and intelligent control. In the second section, the panelists' view on the main paradigm within the two disciplines are presented. The following section contains the common challenges to both communities which occur as a result of the need to control complex dynamic systems. In the last section, some similarities between the research issues and methods in the two disciplines are identified.<<ETX>>","PeriodicalId":155616,"journal":{"name":"Proceedings IEEE International Symposium on Intelligent Control 1988","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116636137","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: 6
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