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[1988] Proceedings. The Twentieth Southeastern Symposium on System Theory最新文献

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Loss of power system stability due to sequential decoupling of individual generators of the critical group 由于临界组中单个发电机的顺序解耦导致的电力系统稳定性损失
[1988] Proceedings. The Twentieth Southeastern Symposium on System Theory Pub Date : 1988-03-20 DOI: 10.1109/SSST.1988.17052
P. Rastgoufard, R. Schlueter
{"title":"Loss of power system stability due to sequential decoupling of individual generators of the critical group","authors":"P. Rastgoufard, R. Schlueter","doi":"10.1109/SSST.1988.17052","DOIUrl":"https://doi.org/10.1109/SSST.1988.17052","url":null,"abstract":"Power-system transient stability is investigated by considering the energy balance between an individual generator of the power system and the rest of the system. It is proposed that for each fault, a single generator of the power system can be identified which determines the loss of stability of the entire system. It is further proposed that the energy balance between this particular generator and the rest of the system is a valid measure of power-system transient stability or instability. The test system utilized in this research consists of 17 generators and 163 buses.<<ETX>>","PeriodicalId":345412,"journal":{"name":"[1988] Proceedings. The Twentieth Southeastern Symposium on System Theory","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115193149","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
Four level Hadamard transform 四级阿达玛变换
[1988] Proceedings. The Twentieth Southeastern Symposium on System Theory Pub Date : 1988-03-20 DOI: 10.1109/SSST.1988.17041
J. Komo, Yuan Chengchi
{"title":"Four level Hadamard transform","authors":"J. Komo, Yuan Chengchi","doi":"10.1109/SSST.1988.17041","DOIUrl":"https://doi.org/10.1109/SSST.1988.17041","url":null,"abstract":"A four-level Hadamard transform that is more general than the binary Hadamard transform is presented. The transform maintains the same row orthogonality as the binary Hadamard transform but requires the use of complex numbers. A four-level Walsh transform is also obtained from the four-level Hadamard transform. These four-level transforms are applicable to image and speech processing.<<ETX>>","PeriodicalId":345412,"journal":{"name":"[1988] Proceedings. The Twentieth Southeastern Symposium on System Theory","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114842048","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
Implementation of a morphological image processing algorithm on an FPS T-20 hypercube 形态学图像处理算法在FPS T-20超立方体上的实现
[1988] Proceedings. The Twentieth Southeastern Symposium on System Theory Pub Date : 1988-03-20 DOI: 10.1109/SSST.1988.17065
J. Trout, J. Reneke
{"title":"Implementation of a morphological image processing algorithm on an FPS T-20 hypercube","authors":"J. Trout, J. Reneke","doi":"10.1109/SSST.1988.17065","DOIUrl":"https://doi.org/10.1109/SSST.1988.17065","url":null,"abstract":"Efficient use of the distributed architecture of a hypercube requires balancing tasks among the processor nodes, of which there are sixteen in the FPS T-20. Since each of the FPS T-20 nodes is a vector processor, algorithms which have a natural vectorization are easier to implement. Morphological image-processing algorithms can be decomposed into the elementary morphological operations of dilation and erosion which, for binary representations of the images, can be realized as vector shifts and vector AND/ORs. Several decompositions of tasks for load balancing are discussed, including different masks for different nodes, different structuring elements, and different intensity thresholds. The tradeoffs between computational costs and communication costs for each decomposition are of particular interest.<<ETX>>","PeriodicalId":345412,"journal":{"name":"[1988] Proceedings. The Twentieth Southeastern Symposium on System Theory","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130159187","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: 0
Use of computer graphics and simulation to study robotic and automation systems 使用计算机图形学和仿真来研究机器人和自动化系统
[1988] Proceedings. The Twentieth Southeastern Symposium on System Theory Pub Date : 1988-03-20 DOI: 10.1109/SSST.1988.17092
T. Mostafavi, J. Patten
{"title":"Use of computer graphics and simulation to study robotic and automation systems","authors":"T. Mostafavi, J. Patten","doi":"10.1109/SSST.1988.17092","DOIUrl":"https://doi.org/10.1109/SSST.1988.17092","url":null,"abstract":"An inverse kinematics procedure was used to simulate the motions of a robotic arm operating in a workcell environment to develop a tool for studying the operation of such a simulated system relative to a real robotic system. A mathematical model, algorithms, applications, user interface and software was developed for this purpose. The mathematical model and algorithms consist of the kinematic and dimensional parameters of the actual robotic system (Unimation PUMA 560 robot and workcell). Specific algorithms for simulation include specified angular movement of joints, positions of the end effector in Cartesian space (involving inverse kinematics to solve joint rotations) and algorithms for visual display of the robotic workcell components on the computer terminal (color graphics) monitor.<<ETX>>","PeriodicalId":345412,"journal":{"name":"[1988] Proceedings. The Twentieth Southeastern Symposium on System Theory","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122384474","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: 0
A monitoring system for an Ethernet installation 用于以太网安装的监控系统
[1988] Proceedings. The Twentieth Southeastern Symposium on System Theory Pub Date : 1988-03-20 DOI: 10.1109/SSST.1988.17035
M.S. Leuner, J. Hammond
{"title":"A monitoring system for an Ethernet installation","authors":"M.S. Leuner, J. Hammond","doi":"10.1109/SSST.1988.17035","DOIUrl":"https://doi.org/10.1109/SSST.1988.17035","url":null,"abstract":"Eight existing monitoring systems of Ethernet networks are reviewed and found to address subsets of significant parameters. Data are taken from one operational Ethernet network, which implements the centralized monitoring technique, and analyzed to determine both its characteristics and the effectiveness of the centralized monitoring system. The authors consider the measurement parameters of importance to an Ethernet network and propose an improved monitoring system which utilizes a hybrid technique for obtaining the parameters.<<ETX>>","PeriodicalId":345412,"journal":{"name":"[1988] Proceedings. The Twentieth Southeastern Symposium on System Theory","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127127951","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: 0
Special challenges of robotic gripping in space 机器人在太空中抓握的特殊挑战
[1988] Proceedings. The Twentieth Southeastern Symposium on System Theory Pub Date : 1988-03-20 DOI: 10.1109/SSST.1988.17117
S. Mahalingam, M. Sharifi, S. Dwivedi, J. Vranish
{"title":"Special challenges of robotic gripping in space","authors":"S. Mahalingam, M. Sharifi, S. Dwivedi, J. Vranish","doi":"10.1109/SSST.1988.17117","DOIUrl":"https://doi.org/10.1109/SSST.1988.17117","url":null,"abstract":"The special problems of robotic gripping in space are identified and enumerated. The mechanical and control aspects of this class of gripper are discussed briefly. It is found that the impact of zero- or microgravity necessitates rethinking of the underlying principles of grasping, manipulating and autochanging of end-effectors. The fundamental differences of this class of grippers from the familiar cases are the requirement for a positive grasp as opposed to frictional grasp, the requirement of a bearing surface on the fingers in place of friction pads, and the requirement for the integration of a screwdriver with the end-effector. The control problems are influenced greatly by the nonavailability of compliance from the object and fixtures.<<ETX>>","PeriodicalId":345412,"journal":{"name":"[1988] Proceedings. The Twentieth Southeastern Symposium on System Theory","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116946514","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
A family of 'universal adaptive controllers' for linear and nonlinear plants 一类用于线性和非线性对象的“通用自适应控制器”
[1988] Proceedings. The Twentieth Southeastern Symposium on System Theory Pub Date : 1988-03-20 DOI: 10.1109/SSST.1988.17107
C.D. Johnson
{"title":"A family of 'universal adaptive controllers' for linear and nonlinear plants","authors":"C.D. Johnson","doi":"10.1109/SSST.1988.17107","DOIUrl":"https://doi.org/10.1109/SSST.1988.17107","url":null,"abstract":"A family of three universal adaptive controllers (adaptive controllers applicable to a wide range of plants with different structures) is presented, one for each of three cases: first-order plants, second-order plants, and third-order plants. The family of universal adaptive controllers presented here is novel in the respect that each controller is linear and completely time-invariant. Numerous simulation examples are presented to illustrate the universality of the controllers.<<ETX>>","PeriodicalId":345412,"journal":{"name":"[1988] Proceedings. The Twentieth Southeastern Symposium on System Theory","volume":"2019 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132428495","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: 15
Discrete-time decentralized estimators for interconnected systems 互联系统的离散时间分散估计器
[1988] Proceedings. The Twentieth Southeastern Symposium on System Theory Pub Date : 1988-03-20 DOI: 10.1109/SSST.1988.17083
R. Sperry, A. Feliachi
{"title":"Discrete-time decentralized estimators for interconnected systems","authors":"R. Sperry, A. Feliachi","doi":"10.1109/SSST.1988.17083","DOIUrl":"https://doi.org/10.1109/SSST.1988.17083","url":null,"abstract":"The authors propose a method for designing discrete-time decentralized state estimators for interconnected large-scale systems. The interface variables, which can be considered as a stochastic input to the subsystems, are measured with a least-squares estimator. This stochastic input is replaced by the estimate and a noise term. Local Kalman filters are then designed using local measurements to estimate local states. A two-area power system example is shown to illustrate the effectiveness of the proposed method.<<ETX>>","PeriodicalId":345412,"journal":{"name":"[1988] Proceedings. The Twentieth Southeastern Symposium on System Theory","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132743138","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
Derivation of Kane's dynamical equations for a three link (3R) manipulator 三连杆(3R)机械臂凯恩动力学方程的推导
[1988] Proceedings. The Twentieth Southeastern Symposium on System Theory Pub Date : 1988-03-20 DOI: 10.1109/SSST.1988.17116
M. Sharifi, S. Mahalingam, S. Dwivedi
{"title":"Derivation of Kane's dynamical equations for a three link (3R) manipulator","authors":"M. Sharifi, S. Mahalingam, S. Dwivedi","doi":"10.1109/SSST.1988.17116","DOIUrl":"https://doi.org/10.1109/SSST.1988.17116","url":null,"abstract":"The authors present a derivation of the dynamical equations of Kane et al. (1982) for a three-link manipulator. An efficient formulation of equations of motion in an explicit form for a three-link manipulator based on Kane's method is developed. The computational efficiency of this method is compared to that of Lagrangian and Newton-Euler methods. Kane's method leads to fewer arithmetic operations than are required when either of the other two approaches are used. The method results directly in the development of first-order differential equations of motion having a simple form.<<ETX>>","PeriodicalId":345412,"journal":{"name":"[1988] Proceedings. The Twentieth Southeastern Symposium on System Theory","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131956021","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
Distributed tracking in a cluttered environment 在混乱的环境中进行分布式跟踪
[1988] Proceedings. The Twentieth Southeastern Symposium on System Theory Pub Date : 1988-03-20 DOI: 10.1109/SSST.1988.17136
A. Alouani
{"title":"Distributed tracking in a cluttered environment","authors":"A. Alouani","doi":"10.1109/SSST.1988.17136","DOIUrl":"https://doi.org/10.1109/SSST.1988.17136","url":null,"abstract":"A distributed target tracking structure is presented. In this technique, a set of geographically distributed sensors supplies their local observations of the state of a target in clutter to nearby local processors for local processing. Each processor communicates the results of its estimation algorithm to a coordinator which updates the target's track based on all the sensors' observation histories without having access to these observations. For local processing the local processor assumes local models which may be different from the coordinator's models of the distributed observations dynamics. To account for the uncertainties in the origin of the sensors' returns, the probabilistic data association technique is used.<<ETX>>","PeriodicalId":345412,"journal":{"name":"[1988] Proceedings. The Twentieth Southeastern Symposium on System Theory","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127923011","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: 3
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