Precision assembly error analysis of parts based on multi-constraint surface matching by Wenbin Tang, Tong Yan, Jinshan Sun, Yadong Li

“…To solve the model, Spatial Pyramid Matching with chaotic mapping is employed for population initialization, thereby enhancing population diversity. A nonlinear control mechanism is further introduced to dynamically adjust inertia weight, and a simulated annealing mechanism is integrated into the particle swarm optimization algorithm to enhance the efficiency of the surface matching process. …”
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Trajectory Tracking Control of Robot based on Improved Genetic Algorithm by Liu Yiyang, Liu Mingming

“…The motion track of the robot in the process of motion is influenced by small disturbance linear error,the robot system is a multi variable nonlinear control system,and in the traditional genetic algorithm for trajectory tracking control,the steady- state tracking error appearances in the boundary layer. …”
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Synchronization of Chaotic Gyros Based on Robust Nonlinear Dynamic Inversion by Inseok Yang, Dongik Lee

“…The proposed synchronization method is based on nonlinear dynamic inversion (NDI) control. NDI is a nonlinear control technique that removes the original system dynamics into the user-defined desired dynamics. …”
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Enhanced Second-Order Sliding Mode Control Technique for a Five-Phase Induction Motor by Mahmoud A. Mossa, Hamdi Echeikh, Najib El Ouanjli, Hassan Haes Alhelou

“…The proposed control approach finds its strongest justification for the problem of using a law of nonlinear control robust to the system uncertainties of the model without affecting the system’s simplicity. …”
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Free Vibration Response of a Frame Structural Model Controlled by a Nonlinear Active Mass Driver System by Ilaria Venanzi, Filippo Ubertini

“…In this paper, a nonlinear control strategy based on a modified direct velocity feedback algorithm is proposed for handling stroke limits of an active mass driver (AMD) system. …”
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Designing of Neuro-Fuzzy Controllers for Brushless DC Motor Drives Operating with Multiswitch Three-Phase Topology by Ch. Vinay Kumar, G. Madhusudhana Rao, A. Raghu Ram, Y. Prasanna Kumar

“…It has a facility for its multivariable system, nonlinear control process, and powerful coupling system. …”
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Asymmetric Barrier Lyapunov Function-Based Wheel Slip Control for Antilock Braking System by Xiaolei Chen, Zhiyong Dai, Hui Lin, Yanan Qiu, Xiaogeng Liang

“…To deal with the strong nonlinear characteristics, complex nonlinear control schemes are applied in ABS. However, none of existing control schemes focus on the braking operating status, which directly reflects wheels self-locking degree. …”
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Adaptive Output Feedback Control for the Trajectory Tracking of High-Speed Trains with Disturbance Uncertainties on the Basis of Neural Network Observers by Yang Liu, Weidong Li

“…All adaptive algorithms and the observer/controller are synthesized in nonlinear control systems. The error signals of the closed-loop trajectory tracking system are uniformly and eventually bounded through a formal proof on the basis of the Lyapunov methods. …”
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Optimal LQG controller design for inverted pendulum systems using a comprehensive approach by Monika Rani, Sushma S. Kamlu

“…The findings highlight LQG’s robustness in managing system uncertainties and its adaptability to changing conditions, making it a strong candidate for practical nonlinear control applications.…”
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Improved Identification Method for Equivalent Network Parameters of Transformer Windings Based on Driving Point Admittance by Yi Liu, Xiaobo Pei

“…Random populations were generated using chaotic mapping, and the performance of the algorithm was improved by changing nonlinear control and adding adaptive weight coefficients. …”
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Decentralized Adaptive Control for Quasi-Consensus in Heterogeneous Nonlinear Multiagent Systems by Jiaju An, Wei Yang, Xiaohui Xu, Tianxiang Chen, Bin Du, Yi Tang, Quan Xu

“…Our findings highlight quasi-consensus in heterogeneous multiagent systems without adding some additional complex nonlinear control terms to cancel the dynamical differences between agents.…”
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Stabilization Using a Discrete Fuzzy PDC Control with PID Controllers and Pole Placement: Application to an Experimental Greenhouse by Amine Chouchaine, Elyes Feki, Abdelkader Mami

“…The fuzzy controller presented combines the multicontrol approach and the performance of the classical controllers to obtain a robust nonlinear control action that can also deal with time-variant systems. …”
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A fault calculation method for large-scale photovoltaic integrated transmission systems by Hongyue Ma, Tao Zheng, Tao Zhang, Zhiguo Hao

“…More importantly, a time-/phasor-domain alternating calculation method is developed, which effectively addresses the nonlinear control loops while simultaneously reducing the complexity of fault calculations in multi-IBR systems. …”
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Sliding Mode Controller-Based BFCL for Fault Ride-Through Performance Enhancement of DFIG-Based Wind Turbines by Mehdi Firouzi, Mojtaba Nasiri, Saleh Mobayen, G. B. Gharehpetian

“…Theoretical discussions, power circuit, and nonlinear control consideration of the SMC-based BFCL are conducted, and then, its performance is verified through time-domain simulations in the PSCAD/EMTDC environment. …”
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An improved gray wolf optimization algorithm solving to functional optimization and engineering design problems by Yihui Qiu, Xiaoxiao Yang, Shuixuan Chen

“…First, the initial population is optimized using the lens imaging reverse learning algorithm for laying the foundation for global search. Second, a nonlinear control parameter convergence strategy based on cosine variation is proposed to coordinate the global exploration and local exploitation ability of the algorithm. …”
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Non-linear PID control of AC current and DC voltage for a photovoltaic system operating on a microgrid by Pablo Proaño, Marcelo Pozo, Carlos Gallardo, Oscar Camacho

“…This study introduces a nonlinear control strategy to enhance the energy management of electrical power systems, addressing the inherent limitations of traditional linear PI controllers. …”
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A Linear Parameter Varying Control Approach for DC/DC Converters in All-Electric Boats by Soroush Azizi, Mohammad Hassan Asemani, Navid Vafamand, Saleh Mobayen, Mohammad Hassan Khooban

“…Comparing with the state-of-the-art nonlinear control methods, the developed control approach assures the stability of the overall system, as it considers all component dynamics in the design procedure. …”
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On the Convergence of Nonlinear Modes of a Finite Element Model by Ramesh Balagangadhar, Joseph C. Slater

“…These linear models are, however, often coupled with nonlinear elements such as CFD models, nonlinear control systems, or joint dynamics. The introduction of a single nonlinear element can significantly alter the degree of mesh refinement necessary for sufficient model accuracy. …”
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An observer for a nonlinear age-structured model of a harvested fish population by Diène Ngom, A. Iggidir, Aboudramane Guiro, Abderrahim Ouahbi

“…This study shows how some tools from nonlinear control theorycan help to deal with the state estimation problem in the field of renewableresource management.…”
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An adaptive NMPC for ROVs trajectory tracking with environmental disturbances and model uncertainties by Yi Zhang, Jianing Zhang, Zhiyang Guo, Lei Zhang, Yuchen Shang

“…A novel hybrid adaptive control method is presented for trajectory tracking of remotely operated underwater vehicles (ROVs) that addresses unknown disturbances and model uncertainties in this paper. Traditional nonlinear control methods struggle to handle external disturbances and uncertainty in system model. …”
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