Soura Dasgupta, Roberto Tempo, Minyue Fu
The stability of the inverse of the optimum forward prediction error filter obtained when the input data is nonstationary is investigated. Due to this nonsta-tionary character, the resulting system...
Robust ... Analysis and Control of Linear Systems With Integral Quadratic Constraints (2008)
Minyue Fu, Nikita E. Barabanov, H. Li, Huaizhong Li
In this paper, we consider a class of uncertain linear systems which are subject to a general type of integral quadratic constraints (IQCs). Two problems are addressed: 1) robust H1 analysis and 2)...
Peter V. Zhivoglyadov, Richard H. Middleton, Minyue Fu
In this chapter a new systematic switching control approach to adaptive stabilization of uncertain discrete-time systems with parametric uncertainty is presented. Our approach is based on a...
Nonlinear tracking control for a hard disk drive dual-stage actuator system (2008)
Zheng, Jinchuan, Fu, Minyue, Wang, Youyi, Du, Chunling
This paper presents a nonlinear tracking control method for a hard disk drive dual-stage actuator (DSA) system that consists of a voice coil motor (VCM) actuator and a piezoelectric (PZT)...
Nonlinear feedback control of a dual-stage actuator system for reduced settling time (2008)
This brief presents a nonlinear control method for dual-stage actuator (DSA) systems to track a step command input fast and accurately. Conventional tracking controllers for DSA systems are generally...
The Effect Of External And Middle Ear Filtering On Automatic Phoneme Recognition (2007)
Beng T. Tan, Phillip Dermody, Minyue Fu, Andrew Spray
This study investigates the effect of different external and middle ear models as the preemphasis filter for speech recognition. We find that an external and middle ear model derived from...
Global Quadratic Stabilization of a Class of Nonlinear Systems (2007)
The problem of quadratic stabilization of a class of nonlinear systems will be examined in this paper. By employing a well-known Riccati approach, we develop a technique for designing a state...
Passivity Analysis For Uncertain Signal Processing Systems (2007)
Minyue Fu, Lihua Xie, Huaizhong Li
The problem of passivity analysis finds important applications in many signal processing systems such as digital quantizers, decision feedback equalizers and digital and analog filters. This paper...
Comments on "A Procedure for the Positive Definiteness of Forms of Even Order" (2007)
The purpose of this correspondence is to point out that the main result in the above paper 1 is erroneous. The paper above gives a necessary and sufficient condition for the positive definiteness of...
A Revisit to the Gain and Phase Margins of Linear Quadratic Regulators (2007)
In this paper, we revisit the well-known robustness properties of the linear quadratic regulator (LQR), namely, the guaranteed gain margin of-6 to +1 dB and phase margin of \Gamma60 o to +60 o for...
Algorithms for Optimal Multirate Filter Bank Design (2007)
Minyue Fu, Soura Dasgupta, Geoff A. Williamson
This paper is concerned with the problem of designing optimal multirate filter banks. Three design criteria are considered for linear phase FIR filter banks: H 2 measure, H1 and the mixture of them....
Soura Dasgupta, Chris Schwarz, Minyue Fu
this paper, E(k; q
A novel approach is proposed to blindly identify an unknown IIR system. The approach is based on faster sampling at the system output and requires neither a priori statistical information on the...
Some Properties of an Upper Bound for µ (2007)
Gjerrit Meinsma, Yash Shrivastava, Minyue Fu
A convex upper bound of the mixed structured singular value ¯ is analyzed. The upper bound is based on a multiplier method. It is simple, it can exploit low-rank properties and it is shown to be...
Robust Relative Stability of Time-Invariant and Time-Varying Lattice Filters (2007)
Soura Dasgupta, Minyue Fu, Chris Schwarz, Psfrag Replacements, Fn Fn\gamma F
We consider the relative stability of time invariant and time varying unnormalized lattice filters. First, we consider a set of lattice filters whose reflection parameters ff i , obey jff i j ffi i ,...
Robust Nonlinear H∞ Filtering (2007)
This paper investigates the robust nonlinear H1 filtering problem for nonlinear systems with uncertainties which are described by integral functional constraints. The objective is to design a dynamic...
Robust Linear Quadratic Control of Systems with Integral Quadratic Constraints (2007)
Huaizhong Li, Minyue Fu, Lihua Xie
In this paper, we consider the robust linear quadratic (LQ) control problem for a class of uncertain linear systems which are subject to a general type of integral quadratic constraints (IQCs). Both...
Convergence Results of the Analytic Center Estimator (2007)
Er-wei Bai, Minyue Fu, Roberto Tempo, Yinyu Ye
The analytic center approach for bounded error parameter estimation was recently proposed as an alternative to the well-known Chybyshev and least squares estimates. In this paper, we show the...
Minyue Fu, Huaizhong Li, Silviu-Iulian Niculescu
Given a time-delay system, we are interested in finding new robust stability conditions for the system. We apply the integral quadratic constraint approach to obtain two results which allow us to...
Capacity of MIMO Wireless Systems, with Spatially Correlated Receive Elements (2007)
Abstract--- We present a general channel capacity model for a random A.W.G.N. channel in the presence of spatially correlated interference. We consider the case where the channel is random, and full...
Peter W. Gibbens, Carla A. Schwartz, Minyue Fu
Abstract. It is known that static state feedback compensa-tion is insufficient to decouple nonlinear systems which do not have vector rlative degree. Instead, a dynamic procompensation is first...
Robust Nonlinear Control: Beyond Backstepping and Nonlinear Forwarding (2007)
Abstract. This paper considers the problem of robust global stabilization of a large class of nonlinear systems. We introduce a recurslye design approach based on a powerful technique of Wet for...
Abstract. In this paper, a class of nonlinear uncertain systems with an up-triangular structure is considered and a design method is proposed for robust stabilization via state feedback. The...
Definiteness Of Forms, Minyue Fu
The purpose of this paper is to point out that the main result in the above-mentioned paper is erroneous.
Linear Quadratic Control with Input (2007)
Saturation Minyue Fu, Minyue Fu
This paper studies a new approach to linear quadratic control for linear systems with input saturation. Our work presents an optimal sector bound to model the mismatch between the unsaturated...
Modeling continuous-time processes via input-to-state filters (2006)
A direct algorithm to estimate continuous-time ARMA (CARMA) models is proposed in this paper. In this approach, we first pass the observed data through an input-to-state filter and compute the state...
A robust interpolation algorithm for spectral estimation (2006)
We propose a robust interpolation algorithm for model-based spectral estimation. The interpolation data represent information about the half spectrum function associated with a given signal and are...
Modeling continuous-time processes via input-to-state filters (2006)
A direct algorithm to estimate continuous-time ARMA (CARMA) models is proposed in this paper. In this approach, we first pass the observed data through an input-to-state filter and compute the state...
A robust interpolation algorithm for spectral estimation (2006)
We propose a robust interpolation algorithm for model-based spectral estimation. The interpolation data represent information about the half spectrum function associated with a given signal and are...
Integral quadratic constraint approach vs. multiplier approach (2005)
Fu, Minyue, Dasgupta, S, Soh, Y C
Integral quadratic constraints (IQC) arise in many optimal and/or robust control problems. The IQC approach can be viewed as a generalization of the classical multiplier approach in the absolute...
Stochastic models for turbo decoding (2005)
This paper proposes a stochastic framework for modelling and analysis of turbo decoding. By modelling the input and output signals of a turbo decoder as random processes, we prove that these signals...
A subband approach to channel estimation and equalization for DMT and OFDM systems (2005)
Marelli, Damian Edgardo, Fu, Minyue
Cyclic prefix (CP) is commonly used for channel equalization of discrete multitone (DMT) and orthogonal frequency-division multiplexing (OFDM) systems. This is often done in conjunction with a...
Stochastic analysis of turbo decoding (2005)
This paper proposes a stochastic framework for dynamic modeling and analysis of turbo decoding. By modeling the input and output signals of a turbo decoder as random processes, we prove that these...
The sector bound approach to quantized feedback control (2005)
This paper studies a number of quantized feedback design problems for linear systems. We consider the case where quantizers are static (memoryless). The common aim of these design problems is to...
Generalizations of the Nevanlinna-Pick interpolation Problem (2005)
This paper aims at generalizing the well-known Nevanlinna-Pick interpolation problem by considering additional constraints. The first type of constraints we consider requires the interpolation...
On constrained covariance extension problems (2005)
This paper aims at generalizing the well-known covariance extension problem by considering additional constraints. We first consider degree constraints, i.e., we require the interpolation function to...
A subband approach to channel estimation and equalization for DMT and OFDM systems (2005)
Marelli, Damian Edgardo, Fu, Minyue
Cyclic prefix (CP) is commonly used for channel equalization of discrete multitone (DMT) and orthogonal frequency-division multiplexing (OFDM) systems. This is often done in conjunction with a...
Stochastic analysis of turbo decoding (2005)
This paper proposes a stochastic framework for dynamic modeling and analysis of turbo decoding. By modeling the input and output signals of a turbo decoder as random processes, we prove that these...
The sector bound approach to quantized feedback control (2005)
This paper studies a number of quantized feedback design problems for linear systems. We consider the case where quantizers are static (memoryless). The common aim of these design problems is to...
Generalizations of the Nevanlinna-Pick interpolation Problem (2005)
This paper aims at generalizing the well-known Nevanlinna-Pick interpolation problem by considering additional constraints. The first type of constraints we consider requires the interpolation...
On constrained covariance extension problems (2005)
This paper aims at generalizing the well-known covariance extension problem by considering additional constraints. We first consider degree constraints, i.e., we require the interpolation function to...
Integral quadratic constraint approach vs. multiplier approach (2005)
Fu, Minyue, Dasgupta, S, Soh, Y C
Integral quadratic constraints (IQC) arise in many optimal and/or robust control problems. The IQC approach can be viewed as a generalization of the classical multiplier approach in the absolute...
Stochastic models for turbo decoding (2005)
This paper proposes a stochastic framework for modelling and analysis of turbo decoding. By modelling the input and output signals of a turbo decoder as random processes, we prove that these signals...
Performance analysis for subband identification (2004)
The so-called subband identification method has been introduced recently as an alternative method for identification of finite-impulse response systems with large tap sizes. It is known that this...
Performance analysis for subband identification (2004)
The so-called subband identification method has been introduced recently as an alternative method for identification of finite-impulse response systems with large tap sizes. It is known that this...
Asymptotic properties of subband identification (2003)
The purpose of the paper is to study the asymptotic properties (i.e., strong convergence and asymptotic convergence rate) of the subband identification method in every subband and in the overall...
Asymptotic properties of subband identification (2003)
The purpose of the paper is to study the asymptotic properties (i.e., strong convergence and asymptotic convergence rate) of the subband identification method in every subband and in the overall...
Multiple antenna wireless communication systems: Limits to capacity growth (2002)
Abstract | We present a general multiple path scattering model for multiple transmit, multiple receive wireless systems. The model is generated using physical modeling of the scatterers surrounding...
Multiple antenna wireless communication systems: Limits to capacity growth (2002)
Abstract. We present a general multiple path scattering model for multiple transmit, multiple receive wireless systems. The model is generated using physical modeling of the scatterers surrounding...
Guaranteed Cost Control of Uncertain Nonlinear Systems via Polynomial Lyapunov Functions (2002)
Daniel Coutinho, Re Trofino, Minyue Fu
In this note, we consider the problem of guaranteed cost control for a class of uncertain nonlinear systems. We derive linear matrix inequality conditions for the regional robust stability and...
Finite-horizon robust kalman filter design (2001)
Fu, Minyue, De Souza, C E, Luo, Zhi- Quan
We study the problem of finite-horizon Kalman filtering for systems involving a norm-bounded uncertain block. A new technique is presented for robust Kalman filter design. This technique involves...
Some New Results on Robust Nonlinear Forwarding (2001)
Weizhou Su Minyue, Weizhou Su, Minyue Fu
This paper considers the problem of robust stabilizationf or a class of uncertain nonlinear systems which involve a base system with a control input and af orwarding structure. Both parts of the...
Finite-horizon robust kalman filter design (2001)
Fu, Minyue, De Souza, C E, Luo, Zhi- Quan
We study the problem of finite-horizon Kalman filtering for systems involving a norm-bounded uncertain block. A new technique is presented for robust Kalman filter design. This technique involves...
Localization based switching adaptive control for time-varying discrete-time systems (2000)
Zhivoglyadov, Peter V., Middleton, Richard H., Fu, Minyue
In this paper a new systematic switching control approach to adaptive stabilization of linear time-varying (LTV) discrete-time systems is presented. A feature of the localization-based method is its...
Generalized S-Procedure and Finite Frequency KYP Lemma (2000)
Iwasaki, T, Meinsma, G, Fu, Minyue
The contribution of this paper is twofold. First we give a generalization of the S-procedure which has been proven useful for robustness analysis of control systems. We then apply the generalized...
Exponential Asymptotic Stability of Time-Varying Inverse Prediction Error Filters (2000)
Roberto Lopez-Valcarce, Student Member, Soura Dasgupta, Roberto Tempo, Minyue Fu, Senior Member
It is a classical result of linear prediction theory that as long as the minimum prediction error variance is nonzero, the transfer function of the optimum linear prediction error filter for a...
Robust Nonlinear Forwarding Design (2000)
Weizhou Su Minyue, Weizhou Su, Minyue Fu
This paper considers the problem of robust stabilization for a class of nonlinear up-augmented systems with uncertain parameters in a very general form. This system involves a base system with a...
Generalized S-Procedure and Finite Frequency KYP Lemma (2000)
Iwasaki, T, Meinsma, G, Fu, Minyue
The contribution of this paper is twofold. First we give a generalization of the S-procedure which has been proven useful for robustness analysis of control systems. We then apply the generalized...
Localization based switching adaptive control for time-varying discrete-time systems (2000)
Zhivoglyadov, Peter V., Middleton, Richard H., Fu, Minyue
In this paper a new systematic switching control approach to adaptive stabilization of linear time-varying (LTV) discrete-time systems is presented. A feature of the localization-based method is its...
Generalized S-procedure and finite frequency KYP lemma (2000)
Tetsuya Iwasaki, Gjerrit Meinsma, Minyue Fu
The contribution of this paper is twofold. First we give a generalization of the S-procedure which has been proven useful for robustness analysis of control systems. We then apply the generalized...
A novel approach is proposed to blindly identify an unknown IIR system. The approach is based on faster sampling at the system output and requires neither a priori statistical information on the...
Finite Horizon Robust Kalman Filter Design (1999)
In this paper, we study the problem of finite horizon Kalman filtering for systems involving a norm-bounded uncertain block. A new technique is presented for robust Kalman filter design. This...
Robust Nonlinear Forwarding with Smooth State Feedback Control (1999)
. In this paper, a robust forwarding control technique is introduced for a class of uncertain nonlinear systems admitting the so-called upaugmented structure. This technique gives a recursive design...
Handwritten Digit Recognition by Adaptive-Subspace Self-Organizing Map (ASSOM) (1999)
Bailing Zhang, Minyue Fu, Hong Yan, Marwan A. Jabri
The adaptive-subspace self-organizing map (ASSOM) proposed by Kohonen is a recent development in selforganizing map (SOM) computation. In this paper, we propose a method to realize ASSOM using a...
A novel approach is proposed to blindly identify an unknown IIR system. The approach is based on faster sampling at the system output and requires neither a priori statistical information on the...
Approximation algorithms for quadratic programming (1998)
Fu, Minyue, Luo, Z. Q., Yu, Y.
We consider the problem of approximating the global minimum of a general quadratic pro-gram (QP) with n variables subject to m ellipsoidal constraints.
Computational Complexity of Real Structured Singular Value in l_p Setting (1998)
This paper studies a generalized real structured singular value (¯) problem where uncertain parameters are bounded by an ` p norm. Two results are presented. The first one shows that this...
Approximation Algorithms for Quadratic Programming (1998)
Minyue Fu, Zhi-quan Luo, Yinyu Ye
We consider the problem of approximating the global minimum of a general quadratic program (QP) with n variables subject to m ellipsoidal constraints. For m = 1, we rigorously show that an...
Analytic Center Approach To Parameter Estimation: Convergence Analysis (1998)
Er-wei Bai, Minyue Fu, Roberto Tempo, Yinyu Ye
The so-called analytic center approach to parameter estimation has been proposed recently as an alternative to the well-known least squares approach. This new approach offers a parameter estimate...
Passivity Analysis and Passification for Uncertain Signal Processing Systems (1998)
Lihua Xie, Minyue Fu, Huaizhong Li
The problem of passivity analysis finds important applications in many signal processing systems such as digital quantizers, decision feedback equalizers and digital and analog filters. Equally...
Robust Stabilization of a Class of Nonlinear Systems with an Upper-triangular Structure (1998)
. In this paper, a class of nonlinear uncertain systems with an upper-triangular structure is considered and a design method is proposed for robust stabilization via state feedback. The...
Global Quadratic Stabilization Of A Class Of Nonlinear Systems (1998)
Sing Kiong Nguang, Sing Kiong, Minyue Fu
this paper. By employing a well-known Riccati approach, we develop a technique for designing a state feedback control law which quadratically stabilizes the system for all admissible uncertainties....
Approximation algorithms for quadratic programming (1998)
Fu, Minyue, Luo, Z. Q., Yu, Y.
We consider the problem of approximating the global minimum of a general quadratic pro-gram (QP) with n variables subject to m ellipsoidal constraints.
Chris Schwarz, Soura Dasgupta, Minyue Fu
In this paper, we consider a factorization scheme for linear time varying (LTV) IIR all pass systems to be used specifically in the analysis bank of multirate subband coders. Such LTV analysis banks...
Computational Complexity of a Problem Arising in Fixed Order Output Feedback Design (1997)
This paper is concerned with a matrix inequality problem which arises in fixed order output feedback control design. This problem involves finding two symmetric and positive definitive matrices X and...
Delay-Dependent Closed-Loop Stability of Linear Systems with Input Delay: An LMI Approach (1997)
Silviu-Iulian Niculescu, Minyue Fu, Huaizhong Li
This paper focuses on the problem of computing a control law which maximizes (in a sub-optimal sense) the delay of the closed-loop system for a class of linear systems with delayed input. The delay...
Improved Upper Bounds for the Mixed Structured Singular Value (1997)
Minyue Fu, Nikita E. Barabanov
In this paper, we take a new look at the mixed structured singular value problem, a problem finding important applications in robust stability analysis. Several new upper bounds are proposed using a...
Piecewise Lyapunov functions for robust stability of linear time-varying systems (1997)
Lin Xie, Serge Shishkin, Minyue Fu
In this paper, we investigate the use of two-term piecewise quadratic Lyapunov functions for robust stability of linear time-varying systems. By using the so-called S-procedure and a special variable...
A dual formulation of mixed µ and the losslessness of (D,G)-scaling (1997)
Gjerrit Meinsma, Yash Shrivastava, Minyue Fu
This paper studies the mixed structured singular value (¯) and the well-known (D; G)-scaling upper bound (). A complete characterization of the losslessness of (i.e., being equal to ¯) is derived...
Er-wei Bai, Roberto Tempo, Minyue Fu
Motivated by the current limitations of the existing algorithms for robustness analysis, in this paper we take a different direction which follows the so-called probabilistic approach. That is, we...
Parametric Lyapunov Functions for Uncertain Systems: the Multiplier Approach (1996)
Introduction This Chapter proposes a parametric multiplier approach to deriving parametric Lyapunov functions for robust stability analysis of linear time-invariant systems involving uncertain...
Minimum Switching Control for Adaptive Tracking (1996)
The switching control approach has attracted a lot of attention recently for solving adaptive control problems. This approach relies on the condition that there exist a finite (or countable) number...
The Use Of Wavelet Transforms In Phoneme Recognition (1996)
Beng T. Tan, Minyue Fu, Phillip Dermody
This study investigates the usefulness of wavelet transforms in phoneme recognition. Both discrete wavelet transforms (DWT) and sampled continuous wavelet transforms (SCWT) are tested. The wavelet...
Er-wei Bai, Roberto Tempo, Minyue Fu
Motivated by the current limitations of the existing algorithms for robustness analysis and design, in this paper we take a different direction which follows the so-called probabilistic approach....
MIMO wireless systems: Capacity limits for sparse scattering (1994)
Abstract--- We present a limiting function for the capacity of a sparsely scattered, outdoor MIMO channel. We use a result from random matrices to show that the capacity of the channel will diminish...
The use of wavelet transforms in phoneme recognition (1994)
Beng T. Tan, Minyue Fu, Andrew Spray, Phillip Dermody
This study investigates the usefulness of wavelet transforms in phoneme recognition. Both discrete wavelet transforms #DWT # and sampled continuous wavelet transforms #SCWT# are tested. The wavelet...
Abstract--This note focuses on linear systems which are subject to both time-r'arying norm-bounded parameter uncertainty and exogenous disturbance, and addresses the following robust H control...
New Extreme Point Results On Robust Strict Positive Realness
This paper considers the robust strict positive real (SPR) problem for a family of plants of the form G(s; q) = N(s; q n )D \Gamma1 (s; q d ) \Gamma ff, where N(s; q n ) and D(s; q d ) are...