• Publications
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Robust fuzzy control of nonlinear systems with parametric uncertainties
Addresses the robust fuzzy control problem for nonlinear systems in the presence of parametric uncertainties. The Takagi-Sugeno (T-S) fuzzy model is adopted for fuzzy modeling of the nonlinearExpand
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Bifurcations and chaos in a permanent-magnet synchronous motor
This brief studies dynamic characteristics of a permanent-magnet synchronous motor (PMSM). The mathematical model of the PMSM is first derived, which is fit for carrying out the bifurcation and chaosExpand
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New approach to economic load dispatch based on improved evolutionary programming
New insecticidal ( beta -phenyl- beta -substituted-vinyl)cyclopropanecarboxylates in which the beta -substituent may be halogen or lower haloalkyl are described and their preparation and insecticidalExpand
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Integral Q-learning and explorized policy iteration for adaptive optimal control of continuous-time linear systems
This paper proposes an integral Q-learning for continuous-time (CT) linear time-invariant (LTI) systems, which solves a linear quadratic regulation (LQR) problem in real time for a given system and aExpand
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Integral Reinforcement Learning for Continuous-Time Input-Affine Nonlinear Systems With Simultaneous Invariant Explorations
  • J. Lee, J. Park, Y. Choi
  • Computer Science, Medicine
  • IEEE Transactions on Neural Networks and Learning…
  • 1 May 2015
This paper focuses on a class of reinforcement learning (RL) algorithms, named integral RL (I-RL), that solve continuous-time (CT) nonlinear optimal control problems with input-affine systemExpand
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Neural-Network-Based Decentralized Adaptive Control for a Class of Large-Scale Nonlinear Systems With Unknown Time-Varying Delays
  • S. Yoo, J. Park
  • Medicine, Computer Science
  • IEEE Transactions on Systems, Man, and…
  • 1 October 2009
A decentralized adaptive methodology is presented for large-scale nonlinear systems with model uncertainties and time-delayed interconnections unmatched in control inputs. The interaction terms withExpand
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A fuzzy Lyapunov function approach to estimating the domain of attraction for continuous-time Takagi-Sugeno fuzzy systems
This paper deals with stability analysis and control design problems for continuous-time Takagi-Sugeno (T-S) fuzzy systems. The first aim is to present less conservative linear matrix inequalityExpand
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Application of time-frequency domain reflectometry for detection and localization of a fault on a coaxial cable
In this paper, we introduce a new high-resolution reflectometry technique that operates simultaneously in both the time and frequency domains. The approach rests upon time-frequency signal analysisExpand
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Complete coverage navigation of cleaning robots using triangular-cell-based map
This paper presents a novel approach for navigation of cleaning robots in an unknown workspace. To do so, we propose a new map representation method as well as a complete coverage navigation method.Expand
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Generalized predictive control based on self-recurrent wavelet neural network for stable path tracking of mobile robots: adaptive learning rates approach
In this paper, a generalized predictive control (GPC) method based on self-recurrent wavelet neural network (SRWNN) is proposed for stable path tracking of mobile robots. Since the SRWNN has aExpand
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