2008 47th IEEE Conference on Decision and Control最新文献_第2页

On the stability of the Foschini-Miljanic algorithm with time-delays 具有时滞的Foschini-Miljanic算法的稳定性

2008 47th IEEE Conference on Decision and Control Pub Date : 2008-12-11 DOI: 10.1109/CDC.2008.4739288

Themistoklis Charalambous, Ioannis Lestas, G. Vinnicombe

引用次数: 32

Stability of a Gleevec and immune model with delays 格列卫与延迟免疫模型的稳定性

2008 47th IEEE Conference on Decision and Control Pub Date : 2008-12-09 DOI: 10.1109/CDC.2008.4738828

F. Mazenc, P. Kim, S. Niculescu

{"title":"Stability of a Gleevec and immune model with delays","authors":"F. Mazenc, P. Kim, S. Niculescu","doi":"10.1109/CDC.2008.4738828","DOIUrl":"https://doi.org/10.1109/CDC.2008.4738828","url":null,"abstract":"This paper focuses on the stability analysis of a delay-differential system encountered in modeling immune dynamics during Gleevec treatment for chronic myelogenous leukemia. A simple algorithm is proposed for the analysis of delay effects on the stability. Such an algorithm takes advantage of the particular structure of the dynamical interconnections of the model. The analysis shows that the model yields three fixed points, two of which are always unstable and one of which is sometimes stable. The stable fixed point corresponds to an equilibrium solution in which the leukemia population is kept below the cytogenetic remission level. This result implies that, during Gleevec treatment, the resulting anti-leukemia immune response can serve to control the leukemia population. However, the rate of approach to the stable fixed point is very slow, indicating that the immune response is largely ineffective at driving the leukemia population towards the stable fixed point. To extend the stability analysis with respect to the delay parameter, we conduct a global nonlinear analysis to demonstrate the existence of unbounded solutions. We provide sufficient conditions based on initial cell concentrations that guarantee unbounded solutions and comment on how these conditions can serve to predict whether Gleevec treatment will result in a sustained remission based on a patient¿s initial leukemia load and initial anti-leukemia T cell concentration.","PeriodicalId":433215,"journal":{"name":"2008 47th IEEE Conference on Decision and Control","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114611073","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

Delta modulation for multivariable centralized linear networked controlled systems 多变量集中式线性网络控制系统的增量调制

2008 47th IEEE Conference on Decision and Control Pub Date : 2008-12-09 DOI: 10.1109/CDC.2008.4738790

J. Jaglin, C. Canudas-de-Wit, C. Siclet

引用次数: 18

Pull-in control during nanometric positioning by near field position sensing 通过近场位置传感进行纳米定位时的拉入控制

2008 47th IEEE Conference on Decision and Control Pub Date : 2008-12-09 DOI: 10.1109/CDC.2008.4739070

S. Blanvillain, A. Voda, G. Besançon

引用次数: 6

Geometrical conditions for output depending observability normal form 输出的几何条件取决于可观察性范式

2008 47th IEEE Conference on Decision and Control Pub Date : 2008-12-09 DOI: 10.1109/CDC.2008.4739505

G. Zheng, D. Boutat, J. Barbot

引用次数: 2

Consensus under communication delays 通信延迟下的共识

2008 47th IEEE Conference on Decision and Control Pub Date : 2008-12-09 DOI: 10.1109/CDC.2008.4739278

A. Seuret, Dimos V. Dimarogonas, K. Johansson

引用次数: 105

Controllability properties of discrete-spectrum Schrödinger equations 离散谱Schrödinger方程的可控性

2008 47th IEEE Conference on Decision and Control Pub Date : 2008-12-09 DOI: 10.1109/CDC.2008.4738720

T. Chambrion, P. Mason, M. Sigalotti, U. Boscain

引用次数: 1

Left invertibility of discrete systems with finite inputs and quantized output 有限输入和量化输出离散系统的左可逆性

2008 47th IEEE Conference on Decision and Control Pub Date : 2008-12-09 DOI: 10.1109/CDC.2008.4739042

Nevio Dubbini, B. Piccoli, A. Bicchi

{"title":"Left invertibility of discrete systems with finite inputs and quantized output","authors":"Nevio Dubbini, B. Piccoli, A. Bicchi","doi":"10.1109/CDC.2008.4739042","DOIUrl":"https://doi.org/10.1109/CDC.2008.4739042","url":null,"abstract":"The aim of this paper is to address left invertibility for dynamical systems with inputs and outputs in discrete sets. We study systems that evolve in discrete time within a continuous state-space. Quantized outputs are generated by the system according to a given partition of the state-space, while inputs are arbitrary sequences of symbols in a finite alphabet, which are associated to specific actions on the system. We restrict to the case of contractive dynamics for fixed inputs. The problem of left invertibility, i.e. recovering an unknown input sequence from the knowledge of the corresponding output string, is addressed using the theory of Iterated Function Systems (IFS), a tool developed for the study of fractals. We show how the IFS naturally associated to a system and the geometric properties of its attractor are linked to the left invertibility property of the system. Our main results are a necessary and sufficient condition for a given system to be left invertible with probability one on the space of inputs (i.e. for almost all input sequences), and necessary and sufficient conditions for left invertibility and uniform left invertibility under some weak additional hypotheses. A few examples are presented to illustrate the application of the proposed method.","PeriodicalId":433215,"journal":{"name":"2008 47th IEEE Conference on Decision and Control","volume":"288 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131656255","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

Exact controllability of linear neutral type systems by the moment problem approach 用矩问题方法研究线性中性型系统的精确可控性

2008 47th IEEE Conference on Decision and Control Pub Date : 2008-12-09 DOI: 10.1109/CDC.2008.4739496

R. Rabah, G. Sklyar

引用次数: 1

Noncooperative dynamic games for inventory applications: A consensus approach 库存应用的非合作动态博弈:共识方法

2008 47th IEEE Conference on Decision and Control Pub Date : 2008-12-09 DOI: 10.1109/CDC.2008.4738781

D. Bauso, L. Giarré, R. Pesenti

引用次数: 2