Explanipedia

Environment Modeling for Service Robots from a Task Execution Perspective Open

Ying Zhang, Guohui Tian, Cuihua Zhang, Changchun Hua, Weili Ding , et al. · 2025

Service robots are increasingly entering the home to provide domestic tasks for residents. However, when working in an open, dynamic, and unstructured home environment, service robots still face challenges such as low intelligence for task…

Adaptive Order-Reduction Output-Feedback System for DC–DC Power Converters Using Feedback-Loop Intelligentification Open

Seok‐Kyoon Kim, Sun Lim, Hak‐Keung Lam, Choon Ki Ahn · 2025

The suggested multiloop output-feedback system for dc/dc power converters deals with changes in parameters and loads, as well as performance issues, by using advanced methods like constrained feedback-loop intelligentification and pole-zer…

Domain Adaptation for Big Data in Agricultural Image Analysis: A Comprehensive Review Open

Siyuan Chen, Qianqian Duan, Choon Ki Ahn, Huiliang Shang, Dawei Zhang · 2025

With the wide application of computer vision in agriculture, image analysis has become the key to tasks such as crop health monitoring and pest detection. However, the significant domain shifts caused by environmental changes, different cr…

Nonlinear Cooperative Output Regulation With Input Delay Compensation Open

Shiqi Zheng, Choon Ki Ahn, Xiaowei Jiang, Huaicheng Yan, Peng Shi · 2024

This paper investigates the cooperative output regulation (COR) of nonlinear multi-agent systems (MASs) with long input delay based on periodic event-triggered mechanism. Compared with other mechanisms, periodic event-triggered control can…

Intermittent event‐triggered control for input‐to‐state stability of stochastic systems Open

Dongsheng Xu, Leilei Li, Choon Ki Ahn, Yongbao Wu, Huan Su · 2024

In this article, we investigate the input‐to‐state stability (ISS) of stochastic systems via intermittent event‐triggered control. The control update sequence during the control intervals is determined through an event‐triggered mechanism …

Distributed observer‐based containment control for unknown time‐varying P‐normal nonlinear multiagent systems Open

Liuliu Zhang, Songsong Liu, Changchun Hua, Choon Ki Ahn · 2024

This work investigates the containment control for unknown time‐varying p‐normal (TVP) nonlinear multiagent systems (MASs) under directed topology. First, by innovatively constructing the dynamic update law in the distributed observer desi…

Additional Cover Open

Xiaona Song, Peng Sun, Choon Ki Ahn, Shuai Song · 2023

The back cover image is based on the Research Article Observer-based neural adaptive fi xed-time tracking control for multi-input multi-output nonlinear systems with actuator faults by Xiaona Song et al., https://doi.org/10.1002/rnc.6727.

Current sensorless position-tracking control with angular acceleration error observers for hybrid-type stepping motors Open

Seok‐Kyoon Kim, Kwan Soo Kim, Dong Kyu Lee, Choon Ki Ahn · 2022

This paper exhibits an advanced observer-based position-tracking controller for hybrid-type stepping motors with consideration of parameter and load uncertainties. As the main contribution, a current sensorless observer-based pole-zero can…

Featured Cover Open

Xiang Chen, Shiqi Zheng, Choon Ki Ahn, Yuanlong Xie, Peng Shi · 2022

The cover image is based on the Research Article Constrained fast fi nite-time exact tracking for disturbed nonlinear systems by Xiang Chen et al., https://doi.org/10.1002/rnc.6037.

Distributed Frobenius-Norm Finite Memory Interacting Multiple Model Estimation for Mobile Robot Localization Open

Duckhyun Suh, Dong Kyu Lee, Jung Min Pak, Choon Ki Ahn · 2022

This paper proposes a novel state estimation algorithm, called the distributed Frobenius-norm finite memory interacting multiple model (DFFM-IMM) estimation algorithm, for mobile robot localization in wireless sensor networks (WSNs). The p…

Distributed Finite Memory Estimation From Relative Measurements for Multiple-Robot Localization in Wireless Sensor Networks Open

Yeong Jun Kim, Hyun Ho Kang, Sang Su Lee, Jung Min Pak, Choon Ki Ahn · 2022

Mobile robot localizations have been extensively studied, and various algorithms for multiple-robot localization have been developed. However, existing methods for multiple-robot localization often exhibit poor performance under harsh cond…

Combined Particle/FIR Filtering for Indoor Localization Based on Wireless Sensor Networks Open

Jung Min Pak, Choon Ki Ahn, Myo Taeg Lim, Yuriy S. Shmaliy · 2021

In this paper, we propose a new nonlinear f ltering algorithm that can provide more accurate and reliable localization compared with the pure particle f ltering (PF). In the proposed algorithm, failures of the PF are detected, and the fail…

Adaptive Fuzzy Control for Fractional-Order Interconnected Systems With Unknown Control Directions Open

Bingyun Liang, Shiqi Zheng, Choon Ki Ahn, Feng Liu · 2020

This paper concentrates on the study of the decentralized fuzzy control\nmethod for a class of fractional-order interconnected systems with unknown\ncontrol directions. To overcome the difficulties caused by the multiple unknown\ncontrol d…

Sensorless non‐linear position‐stabilising control for magnetic levitation systems Open

Seok‐Kyoon Kim, Choon Ki Ahn · 2020

This study presents a solution to the position stabilisation problem for non‐linear magnetic levitation systems using the only position measurement. This considers parameter and load variations without the use of current and velocity feedb…

Two-Layer Nonlinear FIR Filter and Unscented Kalman Filter Fusion With Application to Mobile Robot Localization Open

Young Eun Kim, Hyun Ho Kang, Choon Ki Ahn · 2020

In this paper, we propose a new state estimator called the two-layer nonlinear finite impulse response (TLNF) filter and adopt this new filter and unscented Kalman filter (UKF) as subfilters to create the fusion TLNF/UK filter. The TLNF fi…

Correction to: Cooperative disturbance rejection control of vibrating flexible riser systems Open

Zhijia Zhao, Choon Ki Ahn, Guilin Wen · 2019

Kalman and UFIR state estimation with coloured measurement noise using backward Euler method Open

Yuriy S. Shmaliy, Shunyi Zhao, Choon Ki Ahn · 2019

Under coloured noise, known modifications of the Kalman filter (KF) exist only for discrete‐time state‐space models produced by the forward Euler (FE) method, which fits with feedback control. In this study, the authors modify the KF and u…

New double integral inequality with application to stability analysis for linear retarded systems Open

Rupak Datta, Rajeeb Dey, Baby Bhattacharya, R. Saravanakumar, Choon Ki Ahn · 2019

This paper presents the development of a new double integral inequality (II) with the motivation of yielding quadratic approximation. It is well known that approximating integral quadratic terms with quadratic terms involves a certain degr…

Editorial: Booming of Neural Networks and Learning Systems Open

Akira Hirose, Alessio Micheli, Artur S. d’Avila Garcez, Choon Ki Ahn, Gang Pan , et al. · 2019

As you open this January issue of the IEEE Transactions on Neural Networks and Learning Systems (TNNLS), I hope everyone enjoyed a great holiday season and is excited for the new year of 2019. I am very delighted and honored to report seve…

Modeling, optimization, and control for complex networked systems Open

Yanzheng Zhu, Zhixiong Zhong, Hamid Reza Karimi, Choon Ki Ahn · 2018

HAPI is a tool providing a possibility to work with spectroscopic data in HITRAN format. It gives fast and easy access to HITRANonline data. In addition, HAPI provides flexible fu…

Novel vehicle detection system based on stacked DoG kernel and AdaBoost Open

Hyun Ho Kang, Seo Won Lee, Sung Hyun You, Choon Ki Ahn · 2018

This paper proposes a novel vehicle detection system that can overcome some limitations of typical vehicle detection systems using AdaBoost-based methods. The performance of the AdaBoost-based vehicle detection system is dependent on its t…

Finite Memory Output Feedback Control for Unmanned Aerial Vehicle Open

Hyun Ho Kang, Sang Su Lee, Sung Hyun You, Choon Ki Ahn · 2018

In this paper, we propose a novel control strategy, a finite memory output feedback control (FMOFC), for an unmanned aerial vehicle (UAV). The proposed control strategy is designed with the estimated states obtained by stacking a finite N …

Observer and Stochastic Faulty Actuator-Based Reliable Consensus Protocol for Multiagent System Open

R. Sakthivel, B. Kaviarasan, Choon Ki Ahn, Hamid Reza Karimi · 2017

A nondeterministic actuator fault model-based reliable control design method is presented for the leader-following consensus of a multiagent system (MAS) subject to input time-varying delay and the nonlinear phenomenon through the observer…

Filtering of Discrete-Time Switched Neural Networks Ensuring Exponential Dissipative and $l_{2}$ – $l_{\infty }$ Performances Open

Hyun Duck Choi, Choon Ki Ahn, Hamid Reza Karimi, Myo Taeg Lim · 2017

This paper studies delay-dependent exponential dissipative and l₂ - l_∞ filtering problems for discrete-time switched neural networks (DSNNs) including time-delayed states. By introducing a novel discrete-time inequali…

Stochastic H∞ filtering for neural networks with leakage delay and mixed time-varying delays Open

M. Syed Ali, R. Saravanakumar, Choon Ki Ahn, Hamid Reza Karimi · 2017

Indoor Localization Using Unscented Kalman/FIR Hybrid Filter Open

Jung Min Pak, Choon Ki Ahn, Myo Taeg Lim, Moon Kyou Song · 2015

This paper proposes a new nonlinear filtering algorithm that combines the unscented Kalman filter (UKF) and the finite impulse response (FIR) filter. The proposed filter is called the unscented Kalman/FIR hybrid filter (UKFHF). In the UKFH…

IOSS Control for A Class of Switched Hopfield Neural Networks with Disturbance Input Open

Choon Ki Ahn · 2015

This paper is concerned with the input-output-to-state stable (IOSS) controller design for switched Hopfield neural networks with disturbance input.We propose a new set of linear matrix inequality (LMI) conditions to ascertain that switche…

AC Scheduling Based on Thermodynamics of Indoor for On-Campus Small Data Open

Hyun Duck Choi, Soon Woo Rhee, Choon Ki Ahn, Myo Taeg Lim · 2015

This paper proposes a new day-ahead control scheme of an air conditioning (AC) based on thermodynamic model of indoor-temperature.The thermodynamic model of indoor-temperature can be achieved by modified first-order thermal dynamic equatio…

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