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Proceedings of the 28th IEEE Conference on Decision and Control,最新文献

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A stochastic monotonicity result for cyclic service systems with limited service discipline 有限服务纪律下循环服务系统的随机单调性结果
Proceedings of the 28th IEEE Conference on Decision and Control, Pub Date : 1989-12-13 DOI: 10.1109/CDC.1989.70298
G. Feigin
{"title":"A stochastic monotonicity result for cyclic service systems with limited service discipline","authors":"G. Feigin","doi":"10.1109/CDC.1989.70298","DOIUrl":"https://doi.org/10.1109/CDC.1989.70298","url":null,"abstract":"Motivated by the need to understand the behavior of polling schemes used in communication networks, an examination is made of the behavior of a limited service discipline in cyclic service systems with respect to the workload process of the system. The workload process represents the amount of work in the system at any given instant and is the basis for many important systemwide performance measures. It is shown that when there are positive walk times, the workload process is minimized by choosing the maximum allowable number of customers to be served per visit to be as large as possible. The result is proved using sample path comparison arguments and holds under general assumptions about the interval, service, and walk-time distributions.<<ETX>>","PeriodicalId":156565,"journal":{"name":"Proceedings of the 28th IEEE Conference on Decision and Control,","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128704381","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
The existence of a feedback controller for a sampled-data system 采样数据系统反馈控制器的存在性
Proceedings of the 28th IEEE Conference on Decision and Control, Pub Date : 1989-12-13 DOI: 10.1109/CDC.1989.70338
A. Gera
{"title":"The existence of a feedback controller for a sampled-data system","authors":"A. Gera","doi":"10.1109/CDC.1989.70338","DOIUrl":"https://doi.org/10.1109/CDC.1989.70338","url":null,"abstract":"Sampled-data systems limit the possibilities for finding a realizable feedback controller. A necessary condition for finding such a controller that relies on the demand for decreasing the closed-loop transfer function in the high-frequency region is obtained. Some approximations are carried out to simplify the condition.<<ETX>>","PeriodicalId":156565,"journal":{"name":"Proceedings of the 28th IEEE Conference on Decision and Control,","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129617712","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
Construction of composite models from large data-sets 从大型数据集构建复合模型
Proceedings of the 28th IEEE Conference on Decision and Control, Pub Date : 1989-12-13 DOI: 10.1109/CDC.1989.70199
A. Skeppstedt
{"title":"Construction of composite models from large data-sets","authors":"A. Skeppstedt","doi":"10.1109/CDC.1989.70199","DOIUrl":"https://doi.org/10.1109/CDC.1989.70199","url":null,"abstract":"Based on input-output measurements and measurements of the operating-point vector a composite model is constructed. The dynamics of the different linear models are determined from the data, as well as the boundaries in the operating-point space which determine the dependence of the dynamics on the operating point. The basic idea is to utilize a method for recursive identification that is able to track slow as well as rapid dynamic changes. A classification procedure is applied to the models produced by this identification procedure, and borders are created between the different classified models. Techniques for supervised pattern recognition are used for the latter step. The whole construction procedure is illustrated by an example.<<ETX>>","PeriodicalId":156565,"journal":{"name":"Proceedings of the 28th IEEE Conference on Decision and Control,","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129812926","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: 49
Extending the linear quadratic Gaussian/loop transfer recovery technique to a class of distributed parameter systems 将线性二次高斯/环传递恢复技术推广到一类分布参数系统
Proceedings of the 28th IEEE Conference on Decision and Control, Pub Date : 1989-12-13 DOI: 10.1109/CDC.1989.70159
R. Paschall, A. V. Lair
{"title":"Extending the linear quadratic Gaussian/loop transfer recovery technique to a class of distributed parameter systems","authors":"R. Paschall, A. V. Lair","doi":"10.1109/CDC.1989.70159","DOIUrl":"https://doi.org/10.1109/CDC.1989.70159","url":null,"abstract":"Sufficient conditions for extending the linear quadratic Gaussian/loop-transfer recovery technique to a class of distributed parameter systems are presented. Two different approaches are considered in developing the conditions. The goal is to fully extend the technique to a class of infinite-dimensional regulator problems which utilize a Kalman filter. It is not known whether or not the sufficient conditions are satisfied by the entire class of problems considered. The difficulties encountered in trying to prove that the sufficient conditions are satisfied are discussed, and an approximation based on the work of H.T. Bank and K. Kunisch (1984) is presented.<<ETX>>","PeriodicalId":156565,"journal":{"name":"Proceedings of the 28th IEEE Conference on Decision and Control,","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127379546","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
Identification of power system models for large scale damping control 电力系统大规模阻尼控制模型辨识
Proceedings of the 28th IEEE Conference on Decision and Control, Pub Date : 1989-12-13 DOI: 10.1109/CDC.1989.70476
J. Hauer
{"title":"Identification of power system models for large scale damping control","authors":"J. Hauer","doi":"10.1109/CDC.1989.70476","DOIUrl":"https://doi.org/10.1109/CDC.1989.70476","url":null,"abstract":"The a priori models used to plan large electrical power systems are often inadequate for the development of robust large-scale damping controls. Methods that are used at the Bonneville Power Administration to construct measurement-based models of the controlled plant and the source noise are presented. The identification procedures include frequency-domain fitting of structured rational-block models and time-domain fitting with an extended version of Prony's method. Comparative results are shown for a recent test of the western North American power system.<<ETX>>","PeriodicalId":156565,"journal":{"name":"Proceedings of the 28th IEEE Conference on Decision and Control,","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127383566","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: 10
Nonlinear regulation, with internal stability, of a two link flexible robot arm 具有内稳定性的两连杆柔性机械臂非线性调节
Proceedings of the 28th IEEE Conference on Decision and Control, Pub Date : 1989-12-13 DOI: 10.1109/CDC.1989.70427
P. Lucibello
{"title":"Nonlinear regulation, with internal stability, of a two link flexible robot arm","authors":"P. Lucibello","doi":"10.1109/CDC.1989.70427","DOIUrl":"https://doi.org/10.1109/CDC.1989.70427","url":null,"abstract":"The problem of endpoint asymptotic tracking, with internal stability, of a two-link flexible robot arm is discussed. First the problem of exact tracking with bounded internal evolution is reviewed, and an approach for finding bounded solutions of the inverse dynamics is given. Then the linear regulator problem with internal stability is solved for the one-link case and extended to the nonlinear two-link case.<<ETX>>","PeriodicalId":156565,"journal":{"name":"Proceedings of the 28th IEEE Conference on Decision and Control,","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127527727","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: 19
Graded approximations and controllability along a trajectory 梯度逼近和沿轨迹的可控性
Proceedings of the 28th IEEE Conference on Decision and Control, Pub Date : 1989-12-13 DOI: 10.1109/CDC.1989.70287
R. Bianchini, G. Stefani
{"title":"Graded approximations and controllability along a trajectory","authors":"R. Bianchini, G. Stefani","doi":"10.1109/CDC.1989.70287","DOIUrl":"https://doi.org/10.1109/CDC.1989.70287","url":null,"abstract":"A class of approximating nilpotent systems of an affine control system is defined. The systems of this class are used to study the local controllability along a trajectory.<<ETX>>","PeriodicalId":156565,"journal":{"name":"Proceedings of the 28th IEEE Conference on Decision and Control,","volume":"99 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127252403","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: 150
Global motion planning algorithm, based on high-order discretisation and on hierarchies of singularities 基于高阶离散化和奇异层次的全局运动规划算法
Proceedings of the 28th IEEE Conference on Decision and Control, Pub Date : 1989-12-13 DOI: 10.1109/CDC.1989.70318
Y. Elihai, Y. Yomdin
{"title":"Global motion planning algorithm, based on high-order discretisation and on hierarchies of singularities","authors":"Y. Elihai, Y. Yomdin","doi":"10.1109/CDC.1989.70318","DOIUrl":"https://doi.org/10.1109/CDC.1989.70318","url":null,"abstract":"Let B be a system comprising a collect of rigid subparts, of which some might be attached to each other at certain joints and some might move independently. Suppose that B has a total of k degrees of freedom. Suppose further that B is free to move in a 2D or 3D space amid a collection of obstacles whose geometry is known. Typical values of k range from 2 (for a rigid object translating on a planar floor without rotating, for example) to 6 (the typical number of joints for a manipulator arm). The values can also be much larger, for example, when it is necessary to coordinate the motion of several independent systems in same workspace. The motion-planning problem for B is: given an initial placement Z1 and a desired target placement Z2 of B, determine whether there exists a continuous obstacle-avoiding motion of B from Z1 to Z2, and, if so, plan such a motion. An algorithm is presented for a fast solution to this problem. This algorithm is deterministic, involves approximations, and hence solves the motion planning problem up to a certain (prescribed) degree of accuracy.<<ETX>>","PeriodicalId":156565,"journal":{"name":"Proceedings of the 28th IEEE Conference on Decision and Control,","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130006843","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
Robustness of model reference adaptive controllers: input-output properties 模型参考自适应控制器的鲁棒性:输入输出属性
Proceedings of the 28th IEEE Conference on Decision and Control, Pub Date : 1989-12-13 DOI: 10.1109/CDC.1989.70279
K. Tsakalis
{"title":"Robustness of model reference adaptive controllers: input-output properties","authors":"K. Tsakalis","doi":"10.1109/CDC.1989.70279","DOIUrl":"https://doi.org/10.1109/CDC.1989.70279","url":null,"abstract":"A description is given of a general input-output approach that can be used in the analysis and design of adaptive control systems. The effectiveness of this approach is demonstrated in an application to the model reference adaptive control problem. A sufficient condition for the closed-loop stability is developed. It is based on quantities that can be calculated in a straightforward procedure and allows the study of the effects that the design parameters have on the robustness of the adaptive controller. The results indicate a direction toward a unified, systematic, and quantitative theory of adaptive control.<<ETX>>","PeriodicalId":156565,"journal":{"name":"Proceedings of the 28th IEEE Conference on Decision and Control,","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130714025","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: 29
Homogeneous feedback laws in dimension three 三维齐次反馈律
Proceedings of the 28th IEEE Conference on Decision and Control, Pub Date : 1989-12-13 DOI: 10.1109/CDC.1989.70364
M. Kawski
{"title":"Homogeneous feedback laws in dimension three","authors":"M. Kawski","doi":"10.1109/CDC.1989.70364","DOIUrl":"https://doi.org/10.1109/CDC.1989.70364","url":null,"abstract":"Consideration is given to single-input systems on R/sup 3/ that are small-time locally controllable. The inherent symmetries of the standard nilpotent approximations to such systems are used to show how to construct Holder continuous feedback laws that respect the symmetries and asymptotically stabilize the control system. An explicit example is worked in detail, and a necessary condition for the existence of such stabilizing feedback laws is obtained.<<ETX>>","PeriodicalId":156565,"journal":{"name":"Proceedings of the 28th IEEE Conference on Decision and Control,","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1989-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130722047","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: 17
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