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Automatic Control, IEEE Transactions on

Issue 11 • Date Nov. 2012

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Displaying Results 1 - 25 of 37
  • Table of Contents

    Publication Year: 2012 , Page(s): C1 - C4
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  • IEEE Transactions on Automatic Control publication information

    Publication Year: 2012 , Page(s): C2
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  • Scanning The Issue

    Publication Year: 2012 , Page(s): 2701 - 2702
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  • A Web Aggregation Approach for Distributed Randomized PageRank Algorithms

    Publication Year: 2012 , Page(s): 2703 - 2717
    Cited by:  Papers (8)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (2933 KB) |  | HTML iconHTML  

    The PageRank algorithm employed at Google assigns a measure of importance to each web page for rankings in search results. In our recent papers, we have proposed a distributed randomized approach for this algorithm, where web pages are treated as agents computing their own PageRank by communicating with linked pages. This paper builds upon this approach to reduce the computation and communication ... View full abstract»

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  • On Approximations and Ergodicity Classes in Random Chains

    Publication Year: 2012 , Page(s): 2718 - 2730
    Cited by:  Papers (12)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (4355 KB) |  | HTML iconHTML  

    We study the limiting behavior of a random dynamic system driven by a stochastic chain. Our interest is in the chains that are not necessarily ergodic but are decomposable into ergodic classes. To investigate the conditions under which the ergodic classes of a model can be identified, we introduce and study an l1 -approximation and infinite flow graph of the model. We show that t... View full abstract»

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  • Control Communication Complexity of Distributed Actions

    Publication Year: 2012 , Page(s): 2731 - 2745
    Cited by:  Papers (4)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (2814 KB) |  | HTML iconHTML  

    Recent papers have treated control communication complexity in the context of information-based, multiple agent control systems including nonlinear systems of the type that have been studied in connection with quantum information processing. The present paper continues this line of investigation into a class of two-agent distributed control systems in which the agents cooperate in order to realize... View full abstract»

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  • Parameterized Tube Model Predictive Control

    Publication Year: 2012 , Page(s): 2746 - 2761
    Cited by:  Papers (6)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (8238 KB) |  | HTML iconHTML  

    This paper develops a parameterized tube model predictive control (MPC) synthesis method. The most relevant novel feature of our proposal is the online use of a single tractable linear program that optimizes parameterized, Minkowski decomposable, state and control tubes and an associated, fully separable, nonlinear, control policy. The induced control policy enjoys a higher degree of nonlinearity ... View full abstract»

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  • Decentralized Control of a Stochastic Multi-Agent Queueing System

    Publication Year: 2012 , Page(s): 2762 - 2777
    Request Permissions | Click to expandAbstract | PDF file iconPDF (4691 KB) |  | HTML iconHTML  

    This paper concerns decentralized control of a multi-agent stochastic queueing system. The system consists of two agents, a pricing agent and a service agent. The pricing agent controls the arrival rate by dynamically setting the fee that is paid by customers who would like to receive service, while the service agent controls the rate at which customers in the system are processed. Each agent opti... View full abstract»

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  • Differential Games Controllers That Confine a System to a Safe Region in the State Space, With Applications to Surge Tank Control

    Publication Year: 2012 , Page(s): 2778 - 2788
    Cited by:  Papers (1)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (3193 KB) |  | HTML iconHTML  

    Surge tanks are units employed in chemical processing to regulate the flow of fluids between reactors. A notable feature of surge tank control is the need to constrain the magnitude of the Maximum Rate of Change (MROC) of the surge tank outflow, since excessive fluctuations in the rate of change of outflow can adversely affect down-stream processing (through disturbance of sediments, initiation of... View full abstract»

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  • Analysis of Non-Linear Attitude Observers for Time-Varying Reference Measurements

    Publication Year: 2012 , Page(s): 2789 - 2800
    Cited by:  Papers (2)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (3063 KB) |  | HTML iconHTML  

    This paper provides a comprehensive stability analysis of a suite of nonlinear attitude observers that have been developed over the last few years. The observers considered are based on vectorial measurements of an a priori known reference direction. By treating the reference direction and the measurement in the same analysis framework, and allowing time-variation of either, we are able to define ... View full abstract»

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  • Mean Field LQG Control in Leader-Follower Stochastic Multi-Agent Systems: Likelihood Ratio Based Adaptation

    Publication Year: 2012 , Page(s): 2801 - 2816
    Cited by:  Papers (10)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (5786 KB) |  | HTML iconHTML  

    We study large population leader-follower stochastic multi-agent systems where the agents have linear stochastic dynamics and are coupled via their quadratic cost functions. The cost of each leader is based on a trade-off between moving toward a certain reference trajectory which is unknown to the followers and staying near their own centroid. On the other hand, followers react by tracking a conve... View full abstract»

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  • Receding Horizon Temporal Logic Planning

    Publication Year: 2012 , Page(s): 2817 - 2830
    Cited by:  Papers (18)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (2862 KB) |  | HTML iconHTML  

    We present a methodology for automatic synthesis of embedded control software that incorporates a class of linear temporal logic (LTL) specifications sufficient to describe a wide range of properties including safety, stability, progress, obligation, response and guarantee. To alleviate the associated computational complexity of LTL synthesis, we propose a receding horizon framework that effective... View full abstract»

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  • Control to Facet by Piecewise-Affine Output Feedback

    Publication Year: 2012 , Page(s): 2831 - 2843
    Cited by:  Papers (2)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (4150 KB) |  | HTML iconHTML  

    The control-to-facet problem plays an important role in the design of feedback controllers for piecewise-affine hybrid systems on polytopes. In the literature, necessary conditions and sufficient conditions for solvability by static state feedback exist. In this paper, we extend these results to the case of continuous piecewise-affine static output feedback. For the construction of a controller, a... View full abstract»

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  • Asymmetric Decentralized Flocks

    Publication Year: 2012 , Page(s): 2844 - 2853
    Cited by:  Papers (3)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (2317 KB) |  | HTML iconHTML  

    This paper analyzes the transient dynamics of one dimensional flocks, platoons, i.e., a finite collection of identical vehicles moving on the line, with a single leader with independent motion. We show for a class of platoon control laws that if the information flow is asymmetric then a motion change of the leader will cause system transients with amplitudes that grow at an exponential rate as the... View full abstract»

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  • Online Advertisement, Optimization and Stochastic Networks

    Publication Year: 2012 , Page(s): 2854 - 2868
    Cited by:  Papers (2)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (4067 KB) |  | HTML iconHTML  

    In this paper, we propose a stochastic model to describe how search service providers charge client companies based on users' queries for the keywords related to these companies' ads by using certain advertisement assignment strategies. We formulate an optimization problem to maximize the long-term average revenue for the service provider under each client's long-term average budget constraint and... View full abstract»

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  • Discarded Consensus of Network of Agents With State Constraint

    Publication Year: 2012 , Page(s): 2869 - 2874
    Request Permissions | Click to expandAbstract | PDF file iconPDF (1146 KB) |  | HTML iconHTML  

    This note investigates the consensus problem of network of agents with state constraint, while few researchers consider such problem. A simple distributed algorithm named discarded consensus algorithm is presented for weighted directed network of agents. The proposed method ensures the network reaching a consensus while keeping the state estimate of each agent within its own constraint if the digr... View full abstract»

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  • Numerical Sensitivity of Linear Matrix Inequalities Using Shift and Delta Operators

    Publication Year: 2012 , Page(s): 2874 - 2879
    Cited by:  Papers (4)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (1011 KB) |  | HTML iconHTML  

    The numerical sensitivity of linear matrix inequalities (LMIs) arising from discrete-time control with short sampling periods is analyzed using shift and delta operators. The delta operator avoids cancellation problems for short sampling periods, and it includes a system scaling proportional to the inverse of the sampling period. The numerical sensitivity of both these mechanisms is investigated a... View full abstract»

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  • Structure Preserving Adaptive Control of Port-Hamiltonian Systems

    Publication Year: 2012 , Page(s): 2880 - 2885
    Cited by:  Papers (2)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (1069 KB) |  | HTML iconHTML  

    In this technical note, an adaptive control scheme is presented for general port-Hamiltonian systems. Adaptive control is used to compensate for control errors that are caused by unknown or uncertain parameter values of a system. The adaptive control is also combined with canonical transformation theory for port-Hamiltonian systems. This allows for the adaptive control to be applied on a large cla... View full abstract»

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  • Synchronization of Heterogeneous Agents

    Publication Year: 2012 , Page(s): 2885 - 2890
    Cited by:  Papers (8)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (1259 KB) |  | HTML iconHTML  

    The task of synchronizing autonomous agents is solved by a networked controller that steers the agents towards a common trajectory. This technical note extends existing analysis and design methods towards sets of linear agents with individual dynamics. A necessary and sufficient synchronization condition is proved and it is shown that the agents can be synchronized by an appropriate networked cont... View full abstract»

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  • Strong Structural Controllability and the Multilink Inverted Pendulum

    Publication Year: 2012 , Page(s): 2891 - 2896
    Cited by:  Papers (2)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (1007 KB) |  | HTML iconHTML  

    This technical note investigates the controllability of the linearized dynamics of the multilink inverted pendulum as the number of links and the number and location of actuators changes. It is demonstrated that, in some instances, there exist sets of parameter values that render the system uncontrollable and so usual methods for assessing controllability are difficult to employ. To assess the con... View full abstract»

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  • Output Synchronization on Strongly Connected Graphs

    Publication Year: 2012 , Page(s): 2896 - 2901
    Cited by:  Papers (8)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (957 KB) |  | HTML iconHTML  

    In this technical note, we study output synchronization of networked multiagent systems. The agents, modeled as nonlinear systems with relative degree one, exchange information over a network described by an interagent communication graph. Inspired by the results of Igarashi , we extend our earlier results on output synchronization to include the case of strongly connected graphs. We first demonst... View full abstract»

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  • A Partially Augmented Lagrangian Method for Low Order {\rm H} -Infinity Controller Synthesis Using Rational Constraints

    Publication Year: 2012 , Page(s): 2901 - 2905
    Request Permissions | Click to expandAbstract | PDF file iconPDF (745 KB) |  | HTML iconHTML  

    This technical note proposes a method for low order H-infinity synthesis where the constraint on the order of the controller is formulated as a rational equation. The resulting nonconvex optimization problem is then solved by applying a partially augmented Lagrangian method. The proposed method is evaluated together with two well-known methods from the literature. The results indicate that the pro... View full abstract»

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  • Delay Guarantees for Throughput-Optimal Wireless Link Scheduling

    Publication Year: 2012 , Page(s): 2906 - 2911
    Cited by:  Papers (1)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (1155 KB) |  | HTML iconHTML  

    We consider the question of obtaining tight delay guarantees for throughout-optimal link scheduling in arbitrary topology wireless ad-hoc networks. Two classes of scheduling policies are considered: 1) a maximum queue-length weighted independent set scheduling policy and 2) a randomized independent set scheduling policy where the set scheduling probabilities are selected optimally. Both policies s... View full abstract»

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  • Fault-Tolerant Pole-Placement in Double-Integrator Networks

    Publication Year: 2012 , Page(s): 2912 - 2917
    Cited by:  Papers (5)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (948 KB) |  | HTML iconHTML  

    The technical note considers a network of agents with double-integrator internal dynamics. They share information on their position states according to an arbitrary topology. For such a system, the design of a fault-tolerant decentralized regulator is addressed. The goal consists in placing the dominant poles close to prespecified locations, even in the presence of faults of the transmitting and r... View full abstract»

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  • Finite Frequency Negative Imaginary Systems

    Publication Year: 2012 , Page(s): 2917 - 2922
    Cited by:  Papers (5)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (1140 KB) |  | HTML iconHTML  

    This technical note is concerned with finite frequency negative imaginary (FFNI) systems. Firstly, the concept of FFNI transfer function matrices is introduced, and the relationship between the FFNI property and the finite frequency positive real property of transfer function matrices is studied. Then the technical note establishes an FFNI lemma which gives a necessary and sufficient condition on ... View full abstract»

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Aims & Scope

In the IEEE Transactions on Automatic Control, the IEEE Control Systems Society publishes high-quality papers on the theory, design, and applications of control engineering.  Two types of contributions are regularly considered

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Meet Our Editors

Editor-in-Chief
P. J. Antsaklis
Dept. Electrical Engineering
University of Notre Dame