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Control Systems With Actuator Saturation: Analysis And Design by T. Hu and Z. Lin; Birkhäuser, Boston, 2001, xvi+ 392pp., ISBN 0-8176-4219-6

Derong Liu
2004 International Journal of Robust and Nonlinear Control  
The problem is to design stabilizing feedback laws that, in the presence of disturbances, cause the plant output to track reference signals asymptotically.  ...  Feedback laws that achieve output regulation on the asymptotically regulatable region are constructed.  ... 
doi:10.1002/rnc.833 fatcat:itc653pmebbl3acendjqgys4qm

Page 976 of American Society of Civil Engineers. Collected Journals Vol. 122, Issue EM10 [page]

1996 American Society of Civil Engineers. Collected Journals  
Actuator saturation occurs when the actuator is given a de- mand requiring an output greater than the designed peak out- put.  ...  Stability of these controllers in the presence of nonlinear actuator satu- ration can be proven through the construction of a Lyapunov function for the saturated control system using a nonlinear state  ... 

Book review

2003 IEEE Transactions on Automatic Control  
Feedback laws that achieve output regulation on the asymptotically regulatable region are constructed.  ...  The problem is to design stabilizing feedback laws that, in the presence of disturbances, cause the plant output to track reference signals asymptotically.  ... 
doi:10.1109/tac.2003.813146 fatcat:cyu22acpovgknhdegt7qlivln4

Page 225 of American Society of Civil Engineers. Collected Journals Vol. 125, Issue 2 [page]

1999 American Society of Civil Engineers. Collected Journals  
Control designs in the presence of actuator satu- ration, which achieve a prespecified level of robustness and consider the random nature of environmental loads, have not been extensively addressed in  ...  structural parameters stability in the presence of nonlinear actuator saturation effects, and the use of output feedback methods when it is either impossible or impractical to obtain the full state of  ... 

OUTPUT REGULATION OF REACTOR SYSTEMS WITH ACTUATOR CONSTRAINTS

Wei Wu
2002 IFAC Proceedings Volumes  
Based on the Lyapunov-based linearization strategy, the saturation-type parameterized control design can reduce the effect of actuator subject to amplitude and rate constraints, and the integrated two-input  ...  control framework can ensure the asymptotic output regulation and robustness against unknown disturbances.  ...  Kanter et al. (2001) have shown that the new model predictive control law could perform optimally in the presence of input constraints.  ... 
doi:10.3182/20020721-6-es-1901.00652 fatcat:gm3kvxlrebaffhfzva2kjywfsy

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

A.Y. Karnik, J. Sun, A.G. Stefanopoulou, J.H. Buckland
2009 IEEE Transactions on Control Systems Technology  
These actuators are adjusted using a static output feedback controller that relies on pressure and humidity measurements on the anode side of the fuel cell stack.  ...  conditions (liquid water along with water vapor), we show that the performance of the static output feedback controller with a fixed set of gains for subsaturated condition deteriorates significantly  ...  ACKNOWLEDGMENT The authors would like to thank Prof. J. Freudenberg, Prof. J. Grizzle, and Adjunct Prof. J. Cook of the University of Michigan and J. Koncsol for many constructive discussions.  ... 
doi:10.1109/tcst.2008.924562 fatcat:6vvzd6vccrcydfyrmd3y4vj4tm

Page 2289 of Mathematical Reviews Vol. , Issue 2002C [page]

2002 Mathematical Reviews  
The approach consists in choosing a polynomial as the output function and then designing both the controller and the reference input in order to minimize the worst-case settling-time of the set- point  ...  [Nguyen, Thanh H.] (1-CA3-AE; Irvine, CA); Jabbari, F. (1-CA3-AE; Irvine, CA Output feedback controllers for disturbance attenuation with actuator amplitude and rate saturation.  ... 

Nested Switching Control Design for Fast PZT Actuated Nanopositioning

Jinchuan Zheng, Minyue Fu
2011 IFAC Proceedings Volumes  
By optimizing a quadratic performance cost function that explicitly involves the actuator saturation, the NSC can not only guarantee the system stability in the presence of saturation but also improve  ...  Conventional PZT controllers typically neglect the actuator saturation nonlinearity for design simplicity but at the cost of reduced performance.  ...  However, in the presence of saturation, the optimal K is difficult to give. To overcome this difficulty, we parameterize the controller by using an optimal sector bound Fu [2000] .  ... 
doi:10.3182/20110828-6-it-1002.00092 fatcat:nh7uu3bubzaa3n2shhkm6brylu

Smart Grid Control Design Methods for Distributed Energy Storage in Frequency Regulation Markets

Christopher L. DeMarco, Chaitanya A. Baone
2011 IFAC Proceedings Volumes  
In particular, regulation and stability enhancement responsibility is spread among the distributed controllers, with a given controller being designed to damp a small subset of the system's oscillatory  ...  output at higher bandwidth than achieved by traditional generators' governor feedback.  ...  THE LOW-HIGH GAIN DESIGN METHOD The authors in Saberi [2000] have demonstrated an optimal control design method to form controller design in the context of linear systems with elements subject to input  ... 
doi:10.3182/20110828-6-it-1002.03570 fatcat:xa3boxaoqngeffuhyzulp3b3ni

Saturation Control of a Piezoelectric Actuator for Fast Settling-Time Performance

Jinchuan Zheng, Minyue Fu
2013 IEEE Transactions on Control Systems Technology  
It consists of a combined feedforward/feedback compensator for hysteresis and resonance compensation and a nested switching controller (NSC) that optimizes a quadratic performance cost function involving  ...  The NSC not only can guarantee the system stability in the presence of saturation but also can improve the tracking speed by efficiently allocating the control efforts.  ...  Unlike the anti-windup compensator [18] and the non-saturated control design [19] , the proposed NSC not only guarantees the stability in the presence of saturation, but also optimizes a quadratic performance  ... 
doi:10.1109/tcst.2011.2177463 fatcat:cu3ao5shwrfmrffscyiv7f6vje

Quantitative Feedback Control of Multiple Input Single Output Systems

Javier Rico-Azagra, Montserrat Gil-Martínez, Jorge Elso
2014 Mathematical Problems in Engineering  
The controller design is carried out in the Quantitative Feedback Theory framework.  ...  A structure of parallel controllers achieves robust stability and robust disturbance rejection. Each controller uses the least possible amount of feedback at each frequency.  ...  Conflict of Interests The authors declare that there is no conflict of interests regarding the publication of this paper.  ... 
doi:10.1155/2014/136497 fatcat:xoqrfrcvrjfv3kod4cdqpgmg2a

H infinit control synthesis with antisaturation compensator

URSU Ioan
2010 INCAS Bulletin  
In the paper a technique for dealing with the saturation of an  H control is proposed.  ...  This is a two-step method which extends the approach considered by the author in some recent works and consists in: 1) the synthesis of the  H controller for the pair of systems composed by the physical  ...  The author would like to thank Dr. Lucian Iorga, now at AIRBUS-UK, for the inducement to find a solution in the mater of work. Also, thanks are expressed to the colleagues Eng.  ... 
doi:10.13111/2066-8201.2010.2.4.26 fatcat:k5pakekcyrfnfgowwvz7iziqwa

Gain-scheduled ℓ1-optimal control for boiler-turbine dynamics with actuator saturation

Pang-Chia Chen, Jeff S. Shamma
2004 Journal of Process Control  
The objective of this controller design is to achieve tracking performance in the power output and drum pressure while regulating water level deviation.  ...  The controller is designed by utilizing the set-valued method for l 1 -optimization, which explicitly addresses state constraints and controller saturations in the design process.  ...  In order to allow large commands in the presence of control saturations, a mechanism called the ''reference governor'' is augmented to the gain-scheduled design.  ... 
doi:10.1016/s0959-1524(03)00040-4 fatcat:hbtzyyq7dfa2vl7pxieb4l3mfa

Output Regulation of Linear Systems With Bounded Continuous Feedback

T. Hu, Z. Lin
2004 IEEE Transactions on Automatic Control  
It is shown that a stabilizing feedback law that achieves a larger domain of attraction leads to a feedback law that achieves output regulation on a larger subset of the asymptotically regulatable region  ...  A feedback law that achieves global stabilization on the asymptotically null controllable region leads to a feedback law that achieves output regulation on the entire asymptotically regulatable region.  ...  Unlike in the case for a linear system without control constraint, where output regulation can be achieved for all initial states, here in the presence of control constraint, the set of initial states  ... 
doi:10.1109/tac.2004.837591 fatcat:vfy43hromfg2zcdu3jtv2g7ozi

Recovery Guidance Satisfying Input and State Constraints: Rate Saturating Actuator Example

Santosh Devasia, George Meyer
1998 Journal of Guidance Control and Dynamics  
One approach to the design of such a combined feedforward/feedback controller is the stochastic optimal feedforward feedback technology (SOFFT) developed at NASA Langley Research Center,* where the pilot  ...  This problem becomes significant if high gains are used in the feedback regulator to achieve tighter trajectory tracking.  ... 
doi:10.2514/2.4319 fatcat:tqgck2bkubbcjnldzddkuy6cgi
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