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# IEEE Transactions on Control Systems Technology

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Displaying Results 1 - 25 of 27

Publication Year: 2009, Page(s):C1 - C4
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• ### IEEE Transactions on Control Systems Technology publication information

Publication Year: 2009, Page(s): C2
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• ### A Bottom-Following Preview Controller for Autonomous Underwater Vehicles

Publication Year: 2009, Page(s):257 - 266
Cited by:  Papers (29)
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This paper describes a solution to the problem of bottom-following for autonomous underwater vehicles (AUVs) that relies on the evaluation of the terrain characteristics ahead of the vehicle using echo sounders. The methodology used poses the problem as a discrete time path following control problem where a conveniently defined error state space model of the plant is augmented with bathymetric (i.... View full abstract»

• ### Sensorless Tilt Compensation for a Three-Axis Optical Pickup Using a Sliding-Mode Controller Equipped With a Sliding-Mode Observer

Publication Year: 2009, Page(s):267 - 282
Cited by:  Papers (5)
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A sliding-mode controller equipped with a sliding-mode observer is synthesized and applied to a novel three-axis four-wire optical pickup for the purpose of sensorless tilt compensation. The three-axis pickup owns the capability to move the lens holder in three directions of focusing, tracking and tilting, which is required particularly for higher data-density optical disks and precision measuring... View full abstract»

• ### Humidity and Pressure Regulation in a PEM Fuel Cell Using a Gain-Scheduled Static Feedback Controller

Publication Year: 2009, Page(s):283 - 297
Cited by:  Papers (24)
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In this paper, the pressure difference between the anode and cathode compartments of a polymer electrolyte membrane (PEM) fuel cell stack is regulated along with the anode and cathode humidities using an anode recirculation system. The pressure regulation requirement stems from membrane safety considerations. The regulation of average humidities in the two compartments is a necessary (although not... View full abstract»

• ### Nonconservative Robust Control: Optimized and Constrained Sensitivity Functions

Publication Year: 2009, Page(s):298 - 308
Cited by:  Papers (9)
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An automated procedure for optimization of proportional-integral-derivative (PID)-type controller parameters for single-input, single-output (SISO) plants with explicit model uncertainty is presented. Robustness to the uncertainties is guaranteed by the use of Horowitz-Sidi bounds, which are used as constraints when low-frequency performance is optimized in a nonconvex but smooth optimization prob... View full abstract»

• ### Optimal Real-Time Scheduling of Control Tasks With State Feedback Resource Allocation

Publication Year: 2009, Page(s):309 - 326
Cited by:  Papers (18)
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This paper proposes a new approach for the optimal integrated control and real-time scheduling of control tasks. First, the problem of the optimal integrated control and nonpreemptive off-line scheduling of control tasks in the sense of the H2 performance criterion is addressed. It is shown that this problem may be decomposed into two subproblems. The first subproblem aims at finding th... View full abstract»

• ### Speed Observer and Reduced Nonlinear Model for Sensorless Control of Induction Motors

Publication Year: 2009, Page(s):327 - 339
Cited by:  Papers (37)
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We consider field-oriented speed control of induction motors without mechanical sensors. We augment the traditional approach with a flux observer and derive a sixth-order nonlinear model that takes into consideration the error in flux estimation. A high-gain speed observer is included to estimate the speed from field-oriented currents and voltages. The observer design is independent of the feedbac... View full abstract»

• ### Adaptive Control of Electrostatic Microactuators With Bidirectional Drive

Publication Year: 2009, Page(s):340 - 352
Cited by:  Papers (65)
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In this paper, adaptive control is presented for a class of single-degree-of-freedom (1DOF) electrostatic microactuator systems which can be actively driven bidirectionally. The control objective is to track a reference trajectory within the air gap without knowledge of the plant parameters. Both full-state feedback and output feedback schemes are developed, the latter being motivated by practical... View full abstract»

• ### Identification of a Managed River Reach by a Bayesian Approach

Publication Year: 2009, Page(s):353 - 365
Cited by:  Papers (11)
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This paper considers the problem of identification, and more particularly of time-delay estimation, of a river reach managed to produce hydroelectric power. Difficulties lie in the obligation to use data collected during a combined feedback/feedforward control carried out by a human operator. We propose a Bayesian identification method, non-supervised and simple to implement, estimating jointly th... View full abstract»

• ### Online References Reshaping and Control Reallocation for Nonlinear Fault Tolerant Control

Publication Year: 2009, Page(s):366 - 379
Cited by:  Papers (33)
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In this paper, we consider the problem of graceful performance degradation, for affine nonlinear systems. The method is an optimization based scheme, that gives a constructive way to reshape online the output reference for the post-fault system, and explicitly take into account the actuators and states saturations. The online output reference reshaping is associated with an on... View full abstract»

• ### Optimal Control of a Variable Geometry Turbocharged Diesel Engine Using Neural Networks: Applications on the ETC Test Cycle

Publication Year: 2009, Page(s):380 - 393
Cited by:  Papers (19)
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Modern diesel engines are typically equipped with variable geometry turbo-compressor, exhaust gas recirculation (EGR) system, common rail injection system, and post-treatment devices in order to increase their power while respecting the emissions standards. Consequently, the control of diesel engines has become a difficult task involving five to ten control variables that interact with each other ... View full abstract»

• ### Nonlinear Control Allocation for Non-Minimum Phase Systems

Publication Year: 2009, Page(s):394 - 404
Cited by:  Papers (20)
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In this brief, we propose a control allocation method for a particular class of uncertain over-actuated affine nonlinear systems, with unstable internal dynamics. Dynamic inversion technique is used for the commanded output to track a smooth output reference trajectory. The corresponding control allocation law has to guarantee the boundedness of the states, including the internal dynamics, and sat... View full abstract»

• ### Coordination Planning: Applying Control Synthesis Methods for a Class of Distributed Agents

Publication Year: 2009, Page(s):405 - 415
Cited by:  Papers (15)
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This brief proposes a new multi-agent planning approach to logical coordination synthesis that views a class of distributed agents as discrete-event processes. The coordination synthesis problem involves finding a coordination module for every agent, using which their coordinated interactions would never violate some specified inter-agent constraint. This brief first shows explicitly that, though ... View full abstract»

• ### Active Joint Synchronization Control for a 2-DOF Redundantly Actuated Parallel Manipulator

Publication Year: 2009, Page(s):416 - 423
Cited by:  Papers (29)
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This brief applies the synchronization to solve control problem of redundantly actuated parallel manipulators. With the synchronization method, a new controller termed active joint-synchronization (AJ-S) controller is developed for a 2-degree-of-freedom (DOF) redundantly actuated parallel manipulator. The dynamic model of the parallel manipulator is formulated in the active joint space, in which t... View full abstract»

• ### Velocity Estimation: Assessing the Performance of Non-Model-Based Techniques

Publication Year: 2009, Page(s):424 - 433
Cited by:  Papers (14)
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The performance of modern motion control systems is strongly related to the resolution of the position sensor and to the digital filtering algorithm used to estimate the velocity. This brief discusses a systematic approach to analyze and assess the performance of non-model-based estimators. A new methodology for the analytical characterization of the velocity estimation error, both in the time and... View full abstract»

• ### Feedforward Control of Shape Memory Alloy Actuators Using Fuzzy-Based Inverse Preisach Model

Publication Year: 2009, Page(s):434 - 441
Cited by:  Papers (18)  |  Patents (2)
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This brief investigates a possible application of the inverse Preisach model in combination with the feedforward and feedback control strategies to control shape memory alloy actuators. In the feedforward control design, a fuzzy-based inverse Preisach model is used to compensate for the hysteresis nonlinearity effect. An extrema input history and a fuzzy inference is utilized to replace the invers... View full abstract»

• ### Vision-Based Range Regulation of a Leader-Follower Formation

Publication Year: 2009, Page(s):442 - 448
Cited by:  Papers (19)
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This brief describes a single-vehicle tracking algorithm relying on active contours for target extraction and an extended Kalman filter for relative position estimation. The primary difficulty lies in the estimation and regulation of range using monocular vision. The work represents a first step towards treating the problem of the control of several unmanned vehicles flying in formation using only... View full abstract»

• ### Moving Horizon ${cal H}_{infty}$ Tracking Control of Wheeled Mobile Robots With Actuator Saturation

Publication Year: 2009, Page(s):449 - 457
Cited by:  Papers (44)
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This brief considers the dynamic tracking control of wheeled mobile robots (WMR), in the presence of both actuator saturations and external disturbances. A computationally tractable moving horizon H infin tracking scheme is presented, where a constrained H infin control problem is solved at each sampling time with the update of not only the initial condition but... View full abstract»

• ### An Adaptive Controller for the Shunt Active Filter Considering a Dynamic Load and the Line Impedance

Publication Year: 2009, Page(s):458 - 464
Cited by:  Papers (24)
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This brief presents a controller for an active filter to compensate reactive power and current harmonic distortion in a single phase system, i.e., to guarantee a power factor close to unity. The proposed controller considers the deleterious effects caused by the interaction between load and line impedances, which may lead to instabilities when the controller is enabled. The rationale behind the so... View full abstract»

• ### Analog Active Control of Acoustic Noise at a Virtual Location

Publication Year: 2009, Page(s):465 - 472
Cited by:  Papers (3)
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In this brief, an analog virtual microphone control system in application to noise reduction for a phone is designed. It aims at generating a zone of quiet at a virtual microphone location corresponding to the eardrum. Such location is different than the real microphone location. The idea of the control system is based on the assumption that the primary acoustic noise is the same at these two loca... View full abstract»

• ### A Systematic Method for Gain Selection of Robust PID Control for Nonlinear Plants of Second-Order Controller Canonical Form

Publication Year: 2009, Page(s):473 - 483
Cited by:  Papers (25)
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A systematic method to select gains of a discrete proportional-integral-derivative (PID) controller is presented. The PID controller with the gains obtained by the proposed method can robustly control nonlinear multiple-input-multiple-output (MIMO) plants in a second-order controller canonical form, such as robot dynamics. This method has been made possible by the finding that the discrete PID con... View full abstract»

• ### Decentralized Detection of a Class of Non-Abrupt Faults With Application to Formations of Unmanned Airships

Publication Year: 2009, Page(s):484 - 493
Cited by:  Papers (15)  |  Patents (1)
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We propose a decentralized non-abrupt fault detection (DNaFD) scheme for leader-to-follower formations of unmanned airships. Non-abrupt faults are those that result in slow performance degradation and in undesirable drift, which can propagate from one vehicle to another, and therefore can adversely affect mission integrity, potentially destabilizing multivehicle formations, while being difficult t... View full abstract»

• ### Noniterative ${cal H}_{infty }$-Based Model Order Reduction of LTI Systems Using LMIs

Publication Year: 2009, Page(s):494 - 501
Cited by:  Papers (4)
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This brief addresses the model order reduction problem for linear time invariant (LTI) systems. The problem is to minimize the H infin norm of the error between the original system and the reduced system, which is known to be a nonconvex optimization problem. Based on this, the brief proposes a convex suboptimal solution which is expressed in terms of linear matrix inequalities (... View full abstract»

Publication Year: 2009, Page(s):502 - 503
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## Aims & Scope

The IEEE Control Systems Society publishes high-quality papers on technological advances in the design, realization, and operation of control systems.

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## Meet Our Editors

Editor-in-Chief
Andrea Serrani
Department of Electrical and Computer Engineering
The Ohio State University
412 Dreese labs
2015 Neil Ave
Columbus, OH - USA
phone: 614 292 4976
email: serrani.1@osu.edu