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2009 IEEE Control Applications, (CCA) & Intelligent Control, (ISIC)最新文献

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Control and stability analysis for the Vdd-hopping mechanism vdd跳频机构的控制与稳定性分析
2009 IEEE Control Applications, (CCA) & Intelligent Control, (ISIC) Pub Date : 2009-07-08 DOI: 10.1109/CCA.2009.5281089
C. Albea-Sánchez, C. C. Wit, F. Gordillo
{"title":"Control and stability analysis for the Vdd-hopping mechanism","authors":"C. Albea-Sánchez, C. C. Wit, F. Gordillo","doi":"10.1109/CCA.2009.5281089","DOIUrl":"https://doi.org/10.1109/CCA.2009.5281089","url":null,"abstract":"In low-power electronics, achieving a high energy efficiency has great relevance. Nowadays, Global Asynchronous Local Synchronous Systems en- ables to use a Local Dynamic Voltage Scaling archi- tecture. This technique allows to reach a high energy efficiency. Moreover, Local Dynamic Voltage Scaling can be implemented using different approaches. One of them is the Vdd-Hopping technique. In this paper, we propose an innovative control approach which aims for minimizing the energy dissipated during the Vdd-Hopping transients. In addition, our control also includes the ability to limit the current peaks during such transients. Stability of the closed-loop system is analyzed. A discrete version of this controller is obtained, which coincides with ENergy-AwaRe Control (ENARC) that is patent pending. And a comparison of this last one with another published is done.","PeriodicalId":294950,"journal":{"name":"2009 IEEE Control Applications, (CCA) & Intelligent Control, (ISIC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129274563","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: 23
Improved H∞ filtering for continuous Markov jump linear systems 连续马尔可夫跳变线性系统的改进H∞滤波
2009 IEEE Control Applications, (CCA) & Intelligent Control, (ISIC) Pub Date : 2009-07-08 DOI: 10.1109/CCA.2009.5281135
M. Shen, Guanghong Yang
{"title":"Improved H∞ filtering for continuous Markov jump linear systems","authors":"M. Shen, Guanghong Yang","doi":"10.1109/CCA.2009.5281135","DOIUrl":"https://doi.org/10.1109/CCA.2009.5281135","url":null,"abstract":"This paper investigates the problem of H#x221E; filter design for a class of continuous Markov jump linear systems (MJLSs) with no-accessible jump mode. A new version of bound real lemma (BRL) which can guarantee the performance and the stochastically stability for MJLSs is proposed. Then, based on the BRL, a new approach for H∞ filtering is given. Compared with the existing design methods, more slack variables, which could lead to reduce conservativeness and give better H∞ performance, are introduced in the proposed approach. Furthermore, the whole design procedure can be accomplished by solving a set of linear matrix inequalities (LMIs). Finally, the effectiveness of the proposed H∞ filtering approach can be illustrated by numerical examples.","PeriodicalId":294950,"journal":{"name":"2009 IEEE Control Applications, (CCA) & Intelligent Control, (ISIC)","volume":"488 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116693144","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
Robust synchronization of impulsively-coupled complex dynamical networks with parametric uncertainties and delays 具有参数不确定性和时滞的脉冲耦合复杂动态网络的鲁棒同步
2009 IEEE Control Applications, (CCA) & Intelligent Control, (ISIC) Pub Date : 2009-07-08 DOI: 10.1109/CCA.2009.5281141
Meng Yang, Yan-wu Wang, Hua O. Wang, Yuehua Huang
{"title":"Robust synchronization of impulsively-coupled complex dynamical networks with parametric uncertainties and delays","authors":"Meng Yang, Yan-wu Wang, Hua O. Wang, Yuehua Huang","doi":"10.1109/CCA.2009.5281141","DOIUrl":"https://doi.org/10.1109/CCA.2009.5281141","url":null,"abstract":"This paper presents a general impulsively-coupled complex dynamical network (ICCDN) model with parametric uncertainty and time-varying delays. Robust synchronization of the ICCDN with uncertainty and delays is investigated. Based on the Lyapunov stability theory, delay-independent synchronization conditions for the ICCDN with uncertainty and delays are obtained. A systematic-design procedure is presented, and a numerical example is provided for illustration.","PeriodicalId":294950,"journal":{"name":"2009 IEEE Control Applications, (CCA) & Intelligent Control, (ISIC)","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115262593","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
An intelligent multi-agent approach for road traffic management systems 道路交通管理系统的智能多智能体方法
2009 IEEE Control Applications, (CCA) & Intelligent Control, (ISIC) Pub Date : 2009-07-08 DOI: 10.1109/CCA.2009.5280966
Khaled Almejalli, K. Dahal, M. A. Hossain
{"title":"An intelligent multi-agent approach for road traffic management systems","authors":"Khaled Almejalli, K. Dahal, M. A. Hossain","doi":"10.1109/CCA.2009.5280966","DOIUrl":"https://doi.org/10.1109/CCA.2009.5280966","url":null,"abstract":"Due to the strong interrelations between traffic situations at different locations of a road network the traffic control actions applied for solving a local traffic problem can create another traffic congestion at a different location in the network. This can result the average travel time on the network level, even after the application of the control actions, to be the same or worse. Therefore, coordinative control strategies are required to make sure that all available control actions serve the same objective. In this paper, an intelligent decision support system based on multi-agent approach is proposed to assist the human operator of the road traffic control centre to manage the current traffic state. In the proposed system, the total network is divided in sub-networks, each of which has its own evaluation agent. In the proposed system the agent will be able to react with other (affected) agents through a high level agent called coordinator to find the optimal global traffic control action using an intelligent traffic control. The capability of the proposed multi-agent-based decision support system was tested for a case study of a part of the traffic network in the Riyadh city of Saudi Arabia. The obtained results show the ability of the proposed multi-agent-based system to identify the optimal global control action.","PeriodicalId":294950,"journal":{"name":"2009 IEEE Control Applications, (CCA) & Intelligent Control, (ISIC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114156539","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: 20
Reliable nonlinear H∞ filter design for continuous-time nonlinear systems with sector-bounded nonlinearities 具有扇区有界非线性的连续非线性系统的可靠非线性H∞滤波器设计
2009 IEEE Control Applications, (CCA) & Intelligent Control, (ISIC) Pub Date : 2009-07-08 DOI: 10.1109/CCA.2009.5281152
Xiang-Gui Guo, Guanghong Yang
{"title":"Reliable nonlinear H∞ filter design for continuous-time nonlinear systems with sector-bounded nonlinearities","authors":"Xiang-Gui Guo, Guanghong Yang","doi":"10.1109/CCA.2009.5281152","DOIUrl":"https://doi.org/10.1109/CCA.2009.5281152","url":null,"abstract":"This paper is concerned with the reliable nonlinear H∞ filtering problem against sensor failures for a class of continuous-time systems with sector-bounded nonlinearities. The resulting design is such that the filtering error system is asymptotically stable and meets the prescribed H∞ norm constraint in normal case as well as in sensor failure case. What's worth mentioning is that the paper proposes a new method which combines S-procedure approach to solve the sector-bounded nonlinearities. A sufficient condition for the existence of such a filter is obtained by using appropriate Lyapunov functional and linear matrix inequality (LMI) techniques. In addition, based on this result, a convex LMIbased optimization method is developed to optimize the H∞ performance. A numerical example is provided to demonstrate the effectiveness of the proposed design.","PeriodicalId":294950,"journal":{"name":"2009 IEEE Control Applications, (CCA) & Intelligent Control, (ISIC)","volume":"354 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115162005","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
Automatic tuning of PI controller for atomic force microscope based on relay with hysteresis 基于磁滞继电器的原子力显微镜PI控制器自动整定
2009 IEEE Control Applications, (CCA) & Intelligent Control, (ISIC) Pub Date : 2009-07-08 DOI: 10.1109/CCA.2009.5281046
Xianwei Zhou, Xiaokun Dong, Yudong Zhang, Yongchun Fang
{"title":"Automatic tuning of PI controller for atomic force microscope based on relay with hysteresis","authors":"Xianwei Zhou, Xiaokun Dong, Yudong Zhang, Yongchun Fang","doi":"10.1109/CCA.2009.5281046","DOIUrl":"https://doi.org/10.1109/CCA.2009.5281046","url":null,"abstract":"An atomic force microscope (AFM) usually employs proportional-integral (PI) control strategy to sustain a constant cantilever deflection. However, it is well known that the tuning of PI parameters is a tedious and complicated procedure, especially for those unfamiliar with control theory. In this paper, we employ and implement relay controller to automate the tuning procedure for contact-mode AFM PI controller during different scanning speed operations based on relay with hysteresis. Experimental results show that this approach offers system with satisfactory step response with typical settling time of about 2 ms. Moreover, better sample topography image can be obtained after auto-tuning the control gains during different scanning speed.","PeriodicalId":294950,"journal":{"name":"2009 IEEE Control Applications, (CCA) & Intelligent Control, (ISIC)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116073245","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: 12
Global properties of Kuramoto bidirectionally coupled oscillators in a ring structure 环结构中Kuramoto双向耦合振子的全局性质
2009 IEEE Control Applications, (CCA) & Intelligent Control, (ISIC) Pub Date : 2009-07-08 DOI: 10.1109/CCA.2009.5280981
E. Canale, Pablo Monzón
{"title":"Global properties of Kuramoto bidirectionally coupled oscillators in a ring structure","authors":"E. Canale, Pablo Monzón","doi":"10.1109/CCA.2009.5280981","DOIUrl":"https://doi.org/10.1109/CCA.2009.5280981","url":null,"abstract":"Synchronization of Kuramoto model has a notorious interest, since it models phenomena like coordination, synchronization, consensus, averaging, etc. for several systems in biology, physics and engineering. Recently, some steps were done in order to characterize synchronizing interconnection topologies, combining control and algebraic graph theories. In this work, we present a complete analysis of the almost global synchronization property for the class of Kuramoto oscillators bidirectionally coupled in a ring structure. We show that the property is present only up to four oscillators. Although we use Jacobian linearization to prove most of the cases, the particular case of four oscillators requires a more complex approach. We show how this result can be used to characterize some non synchronizing interconnection topologies.","PeriodicalId":294950,"journal":{"name":"2009 IEEE Control Applications, (CCA) & Intelligent Control, (ISIC)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114836713","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
Optimal tuning of tokamak plasma equilibrium controllers in the presence of time delays 存在时滞时托卡马克等离子体平衡控制器的最优调谐
2009 IEEE Control Applications, (CCA) & Intelligent Control, (ISIC) Pub Date : 2009-07-08 DOI: 10.1109/CCA.2009.5280942
E. Schuster, David Sondak, Reza Arastoo, M. Walker, D. Humphreys
{"title":"Optimal tuning of tokamak plasma equilibrium controllers in the presence of time delays","authors":"E. Schuster, David Sondak, Reza Arastoo, M. Walker, D. Humphreys","doi":"10.1109/CCA.2009.5280942","DOIUrl":"https://doi.org/10.1109/CCA.2009.5280942","url":null,"abstract":"When designing the control loops for tokamaks, it is important to acknowledge the effects of time delays. An assumption sometimes made for tokamaks having superconducting coils is that these extra time delays will not have any undesirable effects on control. In fact, introducing extra delays into the axisymmetric control loops of certain supercon-ducting tokamaks can have significant detrimental consequences. Aside from qualitative observations, the detrimental effects of extra time delays in tokamak control loops are not always well understood outside the control community. This study exposes and quantifies the detrimental effects imposed by time delays in the control loop in superconducting tokamaks, by focusing on plasma current control and radial position control in a vertically stable circular plasma in the KSTAR tokamak. Delays in the power supplies, data acquisition, and vessel structure are taken into account. Extremum-seeking-based optimal tuning of PID controllers is proposed as a possible method for remediating the negative effects of time delays. The Nyquist dual locus technique is employed to assess stability of the optimally tuned closed-loop system in the presence of time delays.","PeriodicalId":294950,"journal":{"name":"2009 IEEE Control Applications, (CCA) & Intelligent Control, (ISIC)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114899054","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 novel fuzzy-logic controller for an artificial heart 一种新型人工心脏模糊逻辑控制器
2009 IEEE Control Applications, (CCA) & Intelligent Control, (ISIC) Pub Date : 2009-07-08 DOI: 10.1109/CCA.2009.5280945
Sudan Basnet, N. Venkatraman
{"title":"A novel fuzzy-logic controller for an artificial heart","authors":"Sudan Basnet, N. Venkatraman","doi":"10.1109/CCA.2009.5280945","DOIUrl":"https://doi.org/10.1109/CCA.2009.5280945","url":null,"abstract":"An algorithm for implementing a novel fuzzy-logic controller is developed for a theoretical model of an artificial heart. The human heart is a complex organism. An artificial heart tries to simulate the workings of a natural heart, by implementing a complex control system to adapt to the changing physiological parameters. An artificial heart needs to take the biological considerations of the human body in order to have comparable performance. In this paper, the controller is designed with information from the electrical system of the natural heart, making it adaptive to physiological changes.","PeriodicalId":294950,"journal":{"name":"2009 IEEE Control Applications, (CCA) & Intelligent Control, (ISIC)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127529616","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
Towards a supervisory control policy for time critical systems 对时间关键型系统的监督控制策略
2009 IEEE Control Applications, (CCA) & Intelligent Control, (ISIC) Pub Date : 2009-07-08 DOI: 10.1109/CCA.2009.5281100
P. Bonhomme
{"title":"Towards a supervisory control policy for time critical systems","authors":"P. Bonhomme","doi":"10.1109/CCA.2009.5281100","DOIUrl":"https://doi.org/10.1109/CCA.2009.5281100","url":null,"abstract":"Petri nets are a powerful recognized formalism for the specification and verification of concurrent systems. To deal with systems whose time issues become fundamental, different time Petri nets extensions have been developed in the literature, each one being dependent on the application considered. For time critical systems their correctness depends not only on the logical one but also on the time constraints. In this paper, a supervisory control technique for P-time Petri nets is proposed. It relies on an actualization procedure based on a firing instant approach and the blocked markings identification.","PeriodicalId":294950,"journal":{"name":"2009 IEEE Control Applications, (CCA) & Intelligent Control, (ISIC)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127520089","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
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