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Proceedings of the 27th IEEE Conference on Decision and Control最新文献

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Nonlinear dynamics and control issues for flexible space platforms 柔性空间平台的非线性动力学与控制问题
Proceedings of the 27th IEEE Conference on Decision and Control Pub Date : 1988-12-07 DOI: 10.1109/CDC.1988.194619
H. Kwatny, W. Bennett
{"title":"Nonlinear dynamics and control issues for flexible space platforms","authors":"H. Kwatny, W. Bennett","doi":"10.1109/CDC.1988.194619","DOIUrl":"https://doi.org/10.1109/CDC.1988.194619","url":null,"abstract":"A description is given of the early results of an ongoing research program into the control of the nonlinear dynamics of large, flexible space structures. An approach to the modeling of generic space platforms is described, and the design of nonlinear feedback control systems via exact input-output linearization and decoupling as applied to this class of systems is also discussed. The role of nonlinear system zeros is highlighted. An example is given.<<ETX>>","PeriodicalId":113534,"journal":{"name":"Proceedings of the 27th IEEE Conference on Decision and Control","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124007820","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: 8
Discrete event systems with real-time constraints: modeling and sensitivity analysis 具有实时约束的离散事件系统:建模和灵敏度分析
Proceedings of the 27th IEEE Conference on Decision and Control Pub Date : 1988-12-07 DOI: 10.1109/CDC.1988.194299
C. Cassandras, S. Strickland, J.-I. Lee
{"title":"Discrete event systems with real-time constraints: modeling and sensitivity analysis","authors":"C. Cassandras, S. Strickland, J.-I. Lee","doi":"10.1109/CDC.1988.194299","DOIUrl":"https://doi.org/10.1109/CDC.1988.194299","url":null,"abstract":"The authors present a model for timed discrete-event systems (DES) that includes conditioned event, a situation arising in the presence of real-time constraints. Based on this model, an augmented system approach is developed to determine conditions for constructing perturbed simple paths of such a DES, given only a nominal sample path. A queueing system with real-time constraints is then considered, where jobs are accepted into a service facility with threshold-based access control and are lost if their waiting time exceeds a given deadline. An augmented system model is constructed to estimate performance sensitivities online with respect to the threshold parameter. It is shown that this approach provides consistent estimates of these sensitivities under certain conditions, and explicit procedures for obtaining these estimates are presented.<<ETX>>","PeriodicalId":113534,"journal":{"name":"Proceedings of the 27th IEEE Conference on Decision and Control","volume":"124 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123194739","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
An adaptive controller which provides Lyapunov stability 提供李雅普诺夫稳定性的自适应控制器
Proceedings of the 27th IEEE Conference on Decision and Control Pub Date : 1988-12-07 DOI: 10.1109/CDC.1988.194668
D. Miller, E. Davison
{"title":"An adaptive controller which provides Lyapunov stability","authors":"D. Miller, E. Davison","doi":"10.1109/CDC.1988.194668","DOIUrl":"https://doi.org/10.1109/CDC.1988.194668","url":null,"abstract":"An adaptive controller is presented which can provide exponential Lyapunov stability for an unknown linear time-invariant (LTI) system. The only required a priori information about the plant is that the order of an LTI stabilizing compensator be known, although this can be reduced to assuming only that the plant is stabilizable and detectable at the expense of using a more complicated controller. This result extends the work of M. Fu and B.R. Barmish (1986) in which it is shown that there exists an adaptive controller which provides exponential Lyapunov stability if it is assumed that an upper bound on the plant order is known and that the plant lies in a known compact set; it is shown that adaptive stabilization is possible under very mild assumptions without 'large' state deviations.<<ETX>>","PeriodicalId":113534,"journal":{"name":"Proceedings of the 27th IEEE Conference on Decision and Control","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123683554","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: 104
The 'relaxed invariance principle' and its applications 松弛不变性原理及其应用
Proceedings of the 27th IEEE Conference on Decision and Control Pub Date : 1988-12-07 DOI: 10.1109/CDC.1988.194333
M. Slemrod
{"title":"The 'relaxed invariance principle' and its applications","authors":"M. Slemrod","doi":"10.1109/CDC.1988.194333","DOIUrl":"https://doi.org/10.1109/CDC.1988.194333","url":null,"abstract":"The author describes a novel infinite-dimensional approach to the LaSalle invariance principle. The main idea is that the method avoids the troublesome search for precompactness of orbits that often makes stability analysis of hyperbolic like initial-boundary value problems difficult. The method is quite general and would seem to be applicable to problems in feedback control of aeroelastic-like structures with weak damping.<<ETX>>","PeriodicalId":113534,"journal":{"name":"Proceedings of the 27th IEEE Conference on Decision and Control","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116206377","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
A simple test for robust stability of delay systems 时滞系统鲁棒稳定性的一个简单检验
Proceedings of the 27th IEEE Conference on Decision and Control Pub Date : 1988-12-07 DOI: 10.1109/CDC.1988.194275
B. Barmish, Z. Shi
{"title":"A simple test for robust stability of delay systems","authors":"B. Barmish, Z. Shi","doi":"10.1109/CDC.1988.194275","DOIUrl":"https://doi.org/10.1109/CDC.1988.194275","url":null,"abstract":"A necessary and sufficient condition is given for the D-stability of a polytope of delay polynomials. The authors note that perhaps the most restrictive assumption in this work is the affine linearity requirement on the coefficient perturbations. The authors' main result is extended to study the formulation of T. Mori and H. Kokame (1987).<<ETX>>","PeriodicalId":113534,"journal":{"name":"Proceedings of the 27th IEEE Conference on Decision and Control","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116212740","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
Evaluation of part-type mix for a machining workstation using generalized stochastic Petri nets 用广义随机Petri网评价加工工作站的零件型组合
Proceedings of the 27th IEEE Conference on Decision and Control Pub Date : 1988-12-07 DOI: 10.1109/CDC.1988.194748
R. Y. Al-Jaar, A. Desrochers, F. DiCesare
{"title":"Evaluation of part-type mix for a machining workstation using generalized stochastic Petri nets","authors":"R. Y. Al-Jaar, A. Desrochers, F. DiCesare","doi":"10.1109/CDC.1988.194748","DOIUrl":"https://doi.org/10.1109/CDC.1988.194748","url":null,"abstract":"A generalized stochastic Petri net (GSPN) model for a machining workstation controller is developed by using equivalent GSPN representations of controller place types. Performance measures such as the average production rates, the average time to produce a part and the machine utilization are computed as a function of part-type mix. It is shown that for certain part-type mixes, these performance measures are highly sensitive to variations in the system's parameters, while for other part-type mixes they are more robust. The net result is an analysis tool for allocating resources when designing and implementing such workstations, and for evaluating potential performance improvements due to further automation in the workstation.<<ETX>>","PeriodicalId":113534,"journal":{"name":"Proceedings of the 27th IEEE Conference on Decision and Control","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116330177","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
A hybrid design for robot path planning in the presence of obstacles 存在障碍物时机器人路径规划的混合设计
Proceedings of the 27th IEEE Conference on Decision and Control Pub Date : 1988-12-07 DOI: 10.1109/CDC.1988.194740
R. Srikant, T. Başar, N. Ahuja
{"title":"A hybrid design for robot path planning in the presence of obstacles","authors":"R. Srikant, T. Başar, N. Ahuja","doi":"10.1109/CDC.1988.194740","DOIUrl":"https://doi.org/10.1109/CDC.1988.194740","url":null,"abstract":"A method combining the tools of combinatorics and optimal control theory is presented to solve the path-planning problem. Initially, a combinatorial problem is solved to identify collision-free paths originally designed for a point object. Then the problem of moving the actual object through the safe paths for the point object is posed as an optimal control problem and is solved using a numerical technique involving finite-dimensional optimization. Some of the constraints to the optimization problem are in the form of inequalities, resulting in nondifferentiable expression when augmented with the performance index. Because of this, the R. Hooke and T.A. Jeeves method (1961), which is computationally quite prohibitive, has been adopted. To overcome this burden, at least partially, a method has been introduced whereby several variables appearing in the optimization are grouped into aggregate quantities, thus reducing the number of actual variables used in the iterations. 2-D and 3-D examples illustrate the applicability of the proposed hybrid design.<<ETX>>","PeriodicalId":113534,"journal":{"name":"Proceedings of the 27th IEEE Conference on Decision and Control","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124343804","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
Adaptive regulation of arterial gas pressures by using robust adaptive control scheme 采用鲁棒自适应控制方案对动脉气压进行自适应调节
Proceedings of the 27th IEEE Conference on Decision and Control Pub Date : 1988-12-07 DOI: 10.1109/CDC.1988.194317
A. Sano, K. Ohkubo, H. Ohmori, M. Kikuchi
{"title":"Adaptive regulation of arterial gas pressures by using robust adaptive control scheme","authors":"A. Sano, K. Ohkubo, H. Ohmori, M. Kikuchi","doi":"10.1109/CDC.1988.194317","DOIUrl":"https://doi.org/10.1109/CDC.1988.194317","url":null,"abstract":"A robust adaptive control scheme is investigated and implemented to regulate arterial oxygen pressure and carbon dioxide pressure independently at their desired levels by automatically adjusting two control inputs, the inspired oxygen concentration and the respiratory frequency, in accordance with continuously monitored transcutaneous oxygen and carbon dioxide pressures. A least-squares scheme using multiple models with different dead time and adjustable parameters can effectively determine the linearized first-order input-output model, including uncertain parameters and dead time. The proposed adaptive model-matching algorithm includes a supervisory controller and a robust controller with a Smith predictor to minimize the sensitivity to modeling errors, variations, and disturbances in the controlled subject. An animal experiment has shown that the proposed control algorithm can be easily implemented in an ordinary artificial ventilator.<<ETX>>","PeriodicalId":113534,"journal":{"name":"Proceedings of the 27th IEEE Conference on Decision and Control","volume":"113 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124354222","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
Stability robustness of linear feedback-controlled mechanical systems in the presence of a class of unmodelled flexibilities 一类未建模柔性存在时线性反馈控制机械系统的稳定性和鲁棒性
Proceedings of the 27th IEEE Conference on Decision and Control Pub Date : 1988-12-07 DOI: 10.1109/CDC.1988.194279
M. Corless
{"title":"Stability robustness of linear feedback-controlled mechanical systems in the presence of a class of unmodelled flexibilities","authors":"M. Corless","doi":"10.1109/CDC.1988.194279","DOIUrl":"https://doi.org/10.1109/CDC.1988.194279","url":null,"abstract":"The author considers a class of linear mechanical systems containing flexible elements and subject to linear, memoryless, output-feedback controllers. The damping and stiffness properties of some of the flexible elements are parameterized linearly in mu /sup -1/ and mu /sup -2/, respectively, where mu >0 and these components become more rigid as mu approaches zero. If a controller stabilizes a system model in which these components are assumed rigid, then it also stabilizes the model in which these components are flexible, provided mu is sufficiently small. The results are illustrated by an example.<<ETX>>","PeriodicalId":113534,"journal":{"name":"Proceedings of the 27th IEEE Conference on Decision and Control","volume":"93 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126202719","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: 8
Tracking controller for linear time delay systems 线性时滞系统的跟踪控制器
Proceedings of the 27th IEEE Conference on Decision and Control Pub Date : 1988-12-07 DOI: 10.1109/CDC.1988.194787
D. Chyung
{"title":"Tracking controller for linear time delay systems","authors":"D. Chyung","doi":"10.1109/CDC.1988.194787","DOIUrl":"https://doi.org/10.1109/CDC.1988.194787","url":null,"abstract":"Linear control systems with time delays are investigated. The problem is to find a control which will track a given reference input with zero steady-state error. The reference inputs are assumed to be polynomial functions of the time. For the sake of simplicity, only one time delay and step or ramp reference functions are examined. Extension to higher order polynomials and multiple delays is straightforward.<<ETX>>","PeriodicalId":113534,"journal":{"name":"Proceedings of the 27th IEEE Conference on Decision and Control","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1988-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126556939","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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