Simultaneous tt2/H Optimal Control: The State Feedback Case* (2009)
Ali Saberi, Peddapullaiah Sannuti
Key Words--H ~ optmization; optimal control; robust performance. Abgraa--A simultaneous H2/H ® control problem is considered. This problem seeks to minimize the H 2 norm of a closed-loop transfer...
Exact Computationof the Infimum in Hoo-Optimization Via Output Feedback (2009)
Ben M. Chen, Student Member, Ali Saberi, Uy-loi Ly
Abstract- This paper presents a simple and noniterative procedure for the computation of the exact value of the infimum in the standard Roo.optimal control with output feedback. The problem...
Stability Analysis of Continuous Time Planar Systems with State Saturation Nonlinearity (2008)
Ravi Mantri, Ali Saberi, Vaithianathan Venkatasubramanian
Abstract—This brief establishes easy-to-verify necessary and sufficient conditions for global asymptotic stability of a class of continuous time planar systems which are subject to state saturation...
Contro l of Linear System s w ith Saturating Actuators (2007)
Ali Saberi Zongli, Ali Saberi, Zongli Lin, Andrew R. Teel
This paper deals with the design of linear systems with saturating actuators where the actuator limitations have to be incorporated a priori into control design. We take a semi-global approach to...
Ali Saberi, Peddapullaiah Sannuti, Anton A. Stoorvogel
For a general H 2 optimal control problem, at first all H 2 optimal measurement feedback controllers are characterized and parameterized, and then attention is focused on controllers with observer...
Ali Saberi, Peddapullaiah Sannuti, Anton A. Stoorvogel
this paper. The first one deals with the characterization and parameterization of all H 2 optimal measurement feedback controllers. The second aspect focuses attention on controllers with estimator...
A Direct Method of Constructing H_2 Suboptimal Controllers - Continuous-Time Systems (2007)
Zongli Lin, Ali Saberi, Peddapullaiah Sannuti, Yacov A. Shamash
An H 2 suboptimal control problem is defined and analyzed. Then an algorithm called `H 2 suboptimal state feedback gain sequence' (H 2 SOSFGS) algorithm is developed. Rather than utilizing a...
A Direct Method of Constructing H_2 Suboptimal Controllers - Discrete-Time Systems (2007)
Zongli Lin, Ali Saberi, Peddapullaiah Sannuti, Yacov A. Shamash
For discrete-time systems, an H 2 suboptimal control problem is defined and analyzed. Then an algorithm called `H 2 suboptimal state feedback gain sequence' (H 2 SOSFGS) algorithm is developed....
Zongli Lin, Ali Saberi, Anton Stoorvogel, Ravi Mantri
A low gain design for linear discrete-time systems subject to input saturation was recently developed in [7,11,12] to solve both semi-global stabilization and semi-global output regulation problems....
Ali Saberi, Peddapullaiah Sannuti, Anton A. Stoorvogel
this paper. The first one deals with the characterization and parameterization of all H 2 optimal measurement feedback controllers. The second aspect focuses attention on controllers with estimator...
The discrete algebraic Riccati equation and linear matrix inequality (1998)
Anton A. Stoorvogel, Ali Saberi
In this paper we study the discrete time algebraic Riccati equation. In particular we show that even in the most general cases there exists a one-one correspondence between solutions of the algebraic...
Zongli Lin, Ali Saberi, Andrew R. Teel
We consider the almost disturbance decoupling problem (ADDP) and/or almost D- bounded disturbance decoupling problem ((ADDP)D ) with internal stability for linear systems subject to input saturation...
Zongli Lin, Ravi Mantri, Ali Saberi
The problem of semi-global output regulation for linear systems subject to input saturation was first solved in [8] by regulators which are based on low-gain feedback. In this paper, we show that new...
Zongli Lin, Ali Saberi, Anton A. Stoorvogel
We revisit the problem of semi-global stabilization of linear discrete-time systems subject to input saturation and give an algebraic Riccati equation (ARE)-based approach to the proof of a fact we...
Control of Linear Systems with Saturating Actuators (1996)
Ali Saberi, Zongli Lin, Andrew R. Teel
This paper deals with the design of linear systems with saturating actuators where the actuator limitations have to be incorporated a priori into control design. We take a semi-global approach to...
Output Regulation For Linear Systems Subject To Input Saturation (1996)
Zongli Lin, Anton A. Stoorvogel, Ali Saberi
The purpose of this paper is to examine the problem of controlling a linear time-invariant system subject to input saturation in order to have its output track (or reject) a family of reference (or...
Jfjtjj!it Lij Eizffl, Chen Benmei, Ali Saberi, Yacov Shamash
Abstract: A set of necessary and sufficient conditions under which a general discrete timeH,-optimal control problem has a unique solution is derived. It is shown that the solution for a discrete...
Zongli Lin, Ali Saberi, Andrew R. Teel
We consider the problem of simultaneous finite gain L p -stabilization and internal stabilization of linear systems subject to input saturation via linear static state feedback. We show that bounded...
Zongli Lin, Ravi Mantri, Ali Saberi
The problem of semi-global output regulation for linear systems subject to input saturation was first solved in [8] by regulators which are based on low-gain feedback. In this paper, we show that new...
The low-and-high gain design technique, which was initiated in [10] for a chain of integrators and completed in [13] for general linear asymptotically null controllable with bounded controls systems,...
In this paper, we show that a linear discrete-time system subject to input saturation is semiglobally exponentially stabilizable via linear state and/or output feedback laws as long as the system in...
In this paper we propose a linear low-and-high gain design technique to solve the semi-global stabilization problem for a class of linear systems subject to input saturation. The central idea behind...
It is known that a linear time-invariant system subject to "input saturation" can be globally asymptotically stabilized if it has no eigenvalues with positive real parts. It is also shown...
In this paper we propose a linear low-and-high gain design technique to solve the semi-global stabilization problem for a class of linear systems subject to input saturation. The central idea behind...
Thesis (Ph. D.)--Michigan State University. Dept. of Electrical Engineering and Systems Science, 1983.
Output Regulation for Linear Discrete-Time Systems Subject to Input Saturation
Ravi Mantri, Ali Saberi, Zongli Lin, Anton A. Stoorvogel
The purpose of this paper is to examine the problem of controlling a linear discrete-time system subject to input saturation in order to have its output track (or reject) a family of reference (or...
Output Regulation for Linear Discrete-Time Systems Subject to Input Saturation
Ravi Mantri, Ali Saberi, Zongli Lin, Anton A. Stoorvogel
The purpose of this paper is to examine the problem of controlling a linear discretetime system subject to input saturation in order to have its output track (or reject) a family of reference (or...