Tracking maneuver target using interacting multiple model-square root cubature Kalman filter based on range rate measurement by Hongqiang Liu, Zhongliang Zhou, Haiyan Yang

“…As the measurement equation including the range rate measurement is strongly nonlinear, square root cubature Kalman filter algorithm is selected as the filter in interacting multiple model algorithm. …”
Get full text

Adaptive Integral Sliding Mode Control for Flexible Joint Space Manipulators by QIAO Bing, HUANG Shuai-ming, HUANG Zu-yan

“…The closed-loop stability of the whole FJSM system is verified by Lyapunov's theorem. Finally, simulation experiments are conducted with a planar three-link flexible joint space manipulators as the controlled object, aiming at verifying the effectiveness of the proposed controller in tracking and controlling the system in the presence of joint nonlinear friction as well as external load perturbations. …”
Get full text

Bifurcations, Complex Behaviors, and Dynamic Transition in a Coupled Network of Discrete Predator-Prey System by Tousheng Huang, Huayong Zhang, Shengnan Ma, Ge Pan, Zhaodeng Wang, Hai Huang

“…The nonlinear dynamics of predator-prey systems coupled into network is an important issue in recent biological advances. …”
Get full text

Error Analysis and Adaptive-Robust Control of a 6-DoF Parallel Robot with Ball-Screw Drive Actuators by Navid Negahbani, Hermes Giberti, Enrico Fiore

“…Using this model, the most critical poses of the robot with respect to the kinematic mapping of the error from the joint- to the task-space are systematically investigated to obtain the workspace positional and rotational resolution, apart from control issues. Finally, a nonlinear adaptive-robust control algorithm for trajectory tracking, based on the minimization of the tracking error, is described and simulated.…”
Get full text

Multiscale vortical phonons and vorticity wave vortices as coherent excitations in two-dimensional dusty plasma crystals by Wei-Shuo Lo, Chen-Yu Siao, Yi-Cheng Zhao, Lin I

“…Here, we utilize two-dimensional crystals supporting thermally excited, multiscale disordered vibrations, as a model system to address these issues. By combining two-dimensional dusty plasma crystal experiments with numerical simulations of Yukawa and Lennard-Jones crystals, we report the following observations at the discrete level: (a) multiscale vortical phonons (also named as vorticity waves, VWs), in the form of propagating vortices with alternating signs of vorticities and varying vortex shape, predominately contributed by the superposition of transverse waves, as basic cooperative acoustic vibrations; and (b) vorticity wave vortices (VWVs), where the VW crest surfaces helically wind around screw-dislocation filaments in the xyt space, as localized CEs in VWs. …”
Get full text

Robust Adaptive Cascade Trajectory Tracking Control for an Aircraft Towing and Taxiing System by Weining Huang, Pengjie Xu, Tianrui Zhao, Wei Zhang, Yanzheng Zhao

“…With the rapid growth of the civil aviation industry, the aircraft towing and taxiing (ATT) system has gained significant attention in the literature. Due to its nonlinear and underactuated characteristics, the path tracking and control of the ATT system is a challenging issue. …”
Get full text

Electric Eel foraging optimization based control design of islanded microgrid by M. A. Ebrahim, Ahmed S. Ragab, Beshoy Abdou Aziz, H. A. AbdelHadi

“…These factors increase the complexity of traditional methods when applied to highly nonlinear and interdependent systems. To address this issue, a novel Electric Eel Foraging Optimization (EEFO) technique is proposed for tuning control parameters within a hierarchical structure of primary and secondary control levels. …”
Get full text

Improved Sliding Mode Active Disturbance Rejection Control for Single-inductance Dual-output Buck Converter by HUANG Jinfeng, ZHOU Jie

“…Enhancing the control strategy is crucial to addressing this issue. Given that the SIDO converter is a nonlinear time-varying system, conventional PI control proves inadequate. …”
Get full text

Enhancement and Expansion of the Neural Network-Based Compact Model Using a Binning Method by Jinyoung Choi, Hyunjoon Jeong, Sangmin Woo, Hyungmin Cho, Yohan Kim, Jeong-Taek Kong, Soyoung Kim

“…However, the ANN-based compact model using only one set of model parameters (global-ANN) requires larger model sizes to achieve wider coverage and higher accuracy in order to capture the unpredictable nonlinearities of emerging devices. This results in reduced simulation speed and a trade-off between simulation accuracy, model coverage, and simulation speed makes it difficult to utilize ANN-based compact models in a variety of ways. …”
Get full text

Adaptive Fractional-Order Consensus Control of Cyber-Physical Power Systems in The Presence of Unbounded Perturbations by Mahmood Nazifi, Mahdi Pourgholi

“…CPPSs often encounter issues like faults, uncertainties, disturbances, and cyber-attacks. …”
Get full text

Adaptive Neural Tracking Control of Robotic Manipulators with Guaranteed NN Weight Convergence by Jun Yang, Jing Na, Guanbin Gao, Chao Zhang

“…Although neural networks (NNs) have been used to approximate the unknown nonlinear dynamics in the robotic systems, the conventional adaptive laws for updating the NN weights cannot guarantee that the obtained NN weights converge to their ideal values, which could degrade the tracking control response. …”
Get full text

Calculation of Damping Ratio and Analysis of Damping Effect of Turbine Blade Dry Friction Damper in Rotating State by Di Li, Hongguang Li, Guang Meng, Dasheng Wei, Kun Qiao, Le Han

“…However, calculating dry friction dampers’ damping ratio for actual structures involves nonlinear vibration calculations, which are challenging and often lack precision. …”
Get full text

Design of Optimization Method for Light Energy Utilization in Fiber Optic Day-lighting System by WANG Yifang, JIA Xiaoyu, YU Chunrong

“…【Methods】A fiber optic probe structure is designed to address the issue of real-time alignment of sunlight, targeting the nonlinear response of zenith angle. …”
Get full text

Topology optimization of analog circuit design via global optimization using factorization machines with digital annealer by Masaharu HIDA, Hiroshi IKEDA, Akito MARUO, Masaru SATO, Takashi YAMAZAKI

“…Obtaining characteristic values using a simulator can require significant computational resources, adding to the complexity of these issues. …”
Get full text

Adaptive Parameter Approaching Law-Based Sliding Mode Control for Wheeled Robots by Ming Hou, Limeng Jia, Zhengqin Wang

“…A method combining adaptive parameter approaching law with Radial Basis Function (RBF) neural network hierarchical sliding mode control is proposed to address the issues of low accuracy and significant oscillations during the trajectory tracking process of wheeled inverted pendulum robots (WIPR) with nonlinear underactuation characteristics. …”
Get full text

Adaptive Voltage Control for DC Motors of Omnidirectional Mobile Robot With Prevent Wheel Slippage by Hoa Thi Truong

“…However, precise control of these systems remains challenging due to the nonlinear traction dynamics between the wheels and the ground, leading to slipping and instability, mainly when operating in changing surface conditions or sudden movements. …”
Get full text

Design of a novel robust adaptive fractional-order model predictive controller for boost converter using grey wolf optimization algorithm by Chao Peng, Seyyed Morteza Ghamari, Hasan Mollaee, Omid Rezaei

“…Abstract Boost converters play a crucial role in power electronics but present control challenges due to their non-minimum phase behavior and nonlinear dynamics at high switching frequencies. To address these issues, this work proposes a Fractional-order adaptive Model Predictive Control (FO-MPC) framework incorporating Exponential Regressive Least Squares (ERLS) for system identification. …”
Get full text

Fractional-Order MFAC with Application to DC Motor Speed Control System by Haizhen Wang, Huihua Jian, Jianhua Huang, Yonghong Lan

“…In this paper, a robust fractional-order model-free adaptive control (RFOMFAC) scheme is proposed to address the robust tracking control issue for a class of uncertain discrete-time nonlinear systems with bounded measurement disturbance. …”
Get full text

Modeling and Prediction of Mixed Errors in Feed Systems Based on Digital Twins by HUANG Hua, MEI Le, ZHI Xiaobo, ZHANG Huiwang

“…However, to simplify the modeling process for simulation and calculation, certain factors such as component interactions and environmental influences are often neglected. …”
Get full text

PSO Tuned Super-Twisting Sliding Mode Controller for Trajectory Tracking Control of an Articulated Robot by Zewdalem Abebaw Ayinalem, Abrham Tadesse Kassie

“…Articulated manipulators, though, pose challenges due to their complex, nonlinear nature and susceptibility to uncertainties such as parameter changes, joint friction, and external disturbances. …”
Get full text