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2008 47th IEEE Conference on Decision and Control最新文献

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Periodically time-varying dynamical controller synthesis for polytopic-type uncertain discrete-time linear systems 多向型不确定离散线性系统的周期时变动态控制器综合
2008 47th IEEE Conference on Decision and Control Pub Date : 2008-12-01 DOI: 10.1109/CDC.2008.4738716
Y. Ebihara, D. Peaucelle, D. Arzelier
{"title":"Periodically time-varying dynamical controller synthesis for polytopic-type uncertain discrete-time linear systems","authors":"Y. Ebihara, D. Peaucelle, D. Arzelier","doi":"10.1109/CDC.2008.4738716","DOIUrl":"https://doi.org/10.1109/CDC.2008.4738716","url":null,"abstract":"This is a continuation of our preceding study dealing with robust stabilizing controller synthesis for uncertain discrete-time linear periodic/time-invariant systems. In this preceding study, we dealt with the case where the underlying systems are affected by polytopic-type uncertainties and revealed a particular periodically time-varying dynamical controller (PTVDC) structure that allows LMI-based robust stabilizing controller synthesis. Based on these preliminary results, in this paper, we provide LMI conditions for robust H2 and H¿ PTVDC synthesis. One of the salient features of the proposed method is that we can reduce the conservatism and improve the control performance gradually by increasing the period of the controller to be designed. In addition, we prove rigorously that the proposed design method encompasses the well-known extended-LMI-based design methods as particular cases. Through numerical experiments, we illustrate that our design method is indeed effective to achieve less conservative results under both the periodic and time-invariant settings.","PeriodicalId":433215,"journal":{"name":"2008 47th IEEE Conference on Decision and Control","volume":"102 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124723383","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: 21
Estimation of immune states in HIV dynamics HIV动力学中免疫状态的估计
2008 47th IEEE Conference on Decision and Control Pub Date : 2008-12-01 DOI: 10.1109/CDC.2008.4738854
Hyeygjeon Chang, A. Astolfi
{"title":"Estimation of immune states in HIV dynamics","authors":"Hyeygjeon Chang, A. Astolfi","doi":"10.1109/CDC.2008.4738854","DOIUrl":"https://doi.org/10.1109/CDC.2008.4738854","url":null,"abstract":"The human immunodeficiency virus infection, that causes acquired immune deficiency syndrome, is a dynamic process that can be modeled via differential equations. In the literature of control applications, model-based control methods to boost the immune system by means of drug scheduling have been reported. The control purpose is to steer the system to an equilibrium condition, known as long-term nonprogressor, which corresponds to an infected patient that does not develop the symptoms of acquired immune deficiency syndrome. In this paper we investigate methods to estimate the state of the immune system based on the available outputs of the HIV model. A nonlinear observer is designed and an approximate observer is also given. Computer simulations are presented to show the feasibility of the estimation methodology.","PeriodicalId":433215,"journal":{"name":"2008 47th IEEE Conference on Decision and Control","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130272298","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
Sensitivity analysis and computational uncertainty with applications to control of nonlinear parabolic partial differential equations 非线性抛物型偏微分方程控制的灵敏度分析和计算不确定性
2008 47th IEEE Conference on Decision and Control Pub Date : 2008-12-01 DOI: 10.1109/CDC.2008.4738861
J. Burns, Lisa G. Davis
{"title":"Sensitivity analysis and computational uncertainty with applications to control of nonlinear parabolic partial differential equations","authors":"J. Burns, Lisa G. Davis","doi":"10.1109/CDC.2008.4738861","DOIUrl":"https://doi.org/10.1109/CDC.2008.4738861","url":null,"abstract":"In this paper we illustrate how sensitivities can be used to provide a practical precursor to dynamic transitions and numerical uncertainty in parameterized nonlinear parabolic partial differential equations. In particular, we focus on reaction-diffusion equations and provide numerical examples to illustrate the ideas and to suggest how one might use sensitivities to address computational uncertainty.","PeriodicalId":433215,"journal":{"name":"2008 47th IEEE Conference on Decision and Control","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130275883","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 distributed randomized approach for the PageRank computation: Part 1 用于PageRank计算的分布式随机方法:第1部分
2008 47th IEEE Conference on Decision and Control Pub Date : 2008-12-01 DOI: 10.1109/CDC.2008.4739020
H. Ishii, R. Tempo
{"title":"A distributed randomized approach for the PageRank computation: Part 1","authors":"H. Ishii, R. Tempo","doi":"10.1109/CDC.2008.4739020","DOIUrl":"https://doi.org/10.1109/CDC.2008.4739020","url":null,"abstract":"In the search engine of Google, the PageRank algorithm plays a crucial role in ranking the obtained results. The algorithm quantifies the importance of each Web page based on the link structure of the Web. In this two-part paper, we first provide an overview of the original problem setup. Then, we propose several distributed randomized schemes for the computation of the PageRank, where the pages can locally update their values by communicating to those connected by links. A detailed discussion on the close relations to the multi-agent consensus problems is also given.","PeriodicalId":433215,"journal":{"name":"2008 47th IEEE Conference on Decision and Control","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130337829","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
Tracking analysis of an adaptive vibration controller 自适应振动控制器的跟踪分析
2008 47th IEEE Conference on Decision and Control Pub Date : 2008-12-01 DOI: 10.1109/CDC.2008.4738670
M. Niedźwiecki, M. Meller
{"title":"Tracking analysis of an adaptive vibration controller","authors":"M. Niedźwiecki, M. Meller","doi":"10.1109/CDC.2008.4738670","DOIUrl":"https://doi.org/10.1109/CDC.2008.4738670","url":null,"abstract":"The problem of rejection of a sinusoidal disturbance of known frequency, acting at the output of a discrete-time complex-valued linear stable plant with unknown dynamics, is considered. It is assumed that output signal is contaminated with wideband measurement noise. The paper presents convergence and tracking analysis of a new narrow-band disturbance elimination scheme described recently. It is shown that the proposed adaptive feedback regulator converges locally in the mean to the optimal (minimum-variance) regulator. It is also shown that it has very good robustness properties.","PeriodicalId":433215,"journal":{"name":"2008 47th IEEE Conference on Decision and Control","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126650168","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
Transition control of plane Poiseuille flow - a spatially interconnected model 平面泊泽维尔流的过渡控制——一个空间互联模型
2008 47th IEEE Conference on Decision and Control Pub Date : 2008-12-01 DOI: 10.1109/CDC.2008.4739261
S. S. Chughtai, H. Werner
{"title":"Transition control of plane Poiseuille flow - a spatially interconnected model","authors":"S. S. Chughtai, H. Werner","doi":"10.1109/CDC.2008.4739261","DOIUrl":"https://doi.org/10.1109/CDC.2008.4739261","url":null,"abstract":"This paper proposes a new mathematical model for the transition control problem in plane Poiseuille flow. Most of the previously proposed models are based on pseudospectral approaches and are valid only for a single spatial wave number. In this work we propose a new model which is based on a finite difference approach in streamwise direction and a spectral approach in wall normal direction. The model obtained is valid for all spatial frequencies and can be used for the synthesis of controllers for flow control problems, using some recently developed ideas for spatially interconnected systems. Since these controllers are designed in physical domain they are simple to implement using MEMS arrays. The model is compared with results obtained with previously proposed models and is found to be in good agreement with them. To illustrate its usefulness, a stabilizing dynamic output feedback controller is designed for a Reynolds number of 6000.","PeriodicalId":433215,"journal":{"name":"2008 47th IEEE Conference on Decision and Control","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126756185","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: 11
Design of reconfigurable and fault-tolerant suspension systems based on LPV methods 基于LPV方法的可重构容错悬架系统设计
2008 47th IEEE Conference on Decision and Control Pub Date : 2008-12-01 DOI: 10.1109/CDC.2008.4739132
P. Gáspár, Z. Szabó, J. Bokor
{"title":"Design of reconfigurable and fault-tolerant suspension systems based on LPV methods","authors":"P. Gáspár, Z. Szabó, J. Bokor","doi":"10.1109/CDC.2008.4739132","DOIUrl":"https://doi.org/10.1109/CDC.2008.4739132","url":null,"abstract":"This paper proposes the design of reconfigurable suspension systems in road vehicles. The purpose of the suspension system is to improve passenger comfort and road holding during travel and improve safety during various maneuvers. In the modeling the nonlinearities of the suspension system, the changes in the forward velocity and the change of the adhesion coefficient between the tire and the road are taken into consideration. The effects of the longitudinal or lateral load transfers during maneuvers or abrupt hard brakings are monitored in order to reduce their harmful effects on handling and comfort. When a fault (loss in effectiveness) occurs at one of the suspension actuators a reconfiguration is required in order to guarantee fault-tolerant operation. The design of the proposed reconfiguration and fault-tolerant control is based on an H¿ linear parameter varying (LPV) method that uses monitored scheduling variables of the travel.","PeriodicalId":433215,"journal":{"name":"2008 47th IEEE Conference on Decision and Control","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126769129","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: 11
Instability mechanisms in cooperative control 合作控制中的不稳定机制
2008 47th IEEE Conference on Decision and Control Pub Date : 2008-12-01 DOI: 10.1109/TAC.2009.2036301
H. Bai, M. Arcak
{"title":"Instability mechanisms in cooperative control","authors":"H. Bai, M. Arcak","doi":"10.1109/TAC.2009.2036301","DOIUrl":"https://doi.org/10.1109/TAC.2009.2036301","url":null,"abstract":"We consider a motion coordination problem with second order agent dynamics and examine the closed-loop robustness with respect to switching topology, variation of link gain, and unmodeled dynamics. In each case, we illustrate with examples possible instability mechanisms and discuss under what conditions stability is maintained.","PeriodicalId":433215,"journal":{"name":"2008 47th IEEE Conference on Decision and Control","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129082940","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: 18
Feedback linearizability of strict feedforward systems 严格前馈系统的反馈线性化
2008 47th IEEE Conference on Decision and Control Pub Date : 2008-12-01 DOI: 10.1109/CDC.2008.4739418
W. Respondek, I. Tall
{"title":"Feedback linearizability of strict feedforward systems","authors":"W. Respondek, I. Tall","doi":"10.1109/CDC.2008.4739418","DOIUrl":"https://doi.org/10.1109/CDC.2008.4739418","url":null,"abstract":"For any strict feedforward system that is feedback linearizable we provide (following our earlier results) an algorithm, along with explicit transformations, that linearizes the system by change of coordinates and feedback in two steps: first, we bring the system to a newly introduced Nonlinear Brunovsk¿y canonical form (NBr) and then we go from (NBr) to a linear system. The whole linearization procedure includes diffeo-quadratures (differentiating, integrating, and composing functions) but not solving PDE¿s. Application to feedback stabilization of strict feedforward systems is given.","PeriodicalId":433215,"journal":{"name":"2008 47th IEEE Conference on Decision and Control","volume":"229 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123309431","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
On the feedback control of impulsive dynamic systems 脉冲动态系统的反馈控制
2008 47th IEEE Conference on Decision and Control Pub Date : 2008-12-01 DOI: 10.1109/CDC.2008.4739429
S. L. Fraga, F. Pereira
{"title":"On the feedback control of impulsive dynamic systems","authors":"S. L. Fraga, F. Pereira","doi":"10.1109/CDC.2008.4739429","DOIUrl":"https://doi.org/10.1109/CDC.2008.4739429","url":null,"abstract":"An Euler solution concept and weak invariance conditions are presented for impulsive control systems. In this paper, we model impulsive systems by measure driven differential inclusions. The Euler solution is defined in the original time frame and does not require any reparameterization technique. As a consequence, we present a constructive result giving conditions for weak invariance. The proof of this result will provide a control synthesis in feedback form, which, in turn, will permit its implementation on-line.","PeriodicalId":433215,"journal":{"name":"2008 47th IEEE Conference on Decision and Control","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114642402","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
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