Design and Analysis of FOPID-Based Damping Controllers Using a Modified Grey Wolf Optimization Algorithm by Manoj Kumar Kar, Sanjay Kumar, Arun Kumar Singh, Sibarama Panigrahi, Murthy Cherukuri

“…Additionally, fractional-order PID (FOPID) controller is used to handle the system nonlinearities and thus achieve better performance. The control parameters are tuned using the proposed MGWOA method which has been verified on unimodal and multimodal functions. …”
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Structural restoration of a historic palace in Italy by Paolo Foraboschi

“…The discussion also emphasizes the often-overlooked limitations of material testing in accurately assessing masonry strength and delves into the critical impact of material and geometric nonlinearities on maximum stress levels – issues that remain underexplored in the existing literature.…”
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THE ALGORITHM FOR CORRECTING A MODE OF THE POWER SUPPLY SYSTEM THAT TAKES THE TRANSFORMATIONS AND HETEROGENEITY OF THE NETWORK INTO ACCOUNT by O. I. Alexandrov

“…Its complexity is due to the dynamics and nonlinearity of equations of state of an electrical network, recorded as related to node voltages, and also due to multiply connected network elements. …”
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Texts as Hypergraphs: An Intuitive Representation of Interpretations of Text by Elli Bleeker, Ronald Haentjens Dekker, Bram Buitendijk

“…In the present contribution, we illustrate the benefits of TAG’s hypergraph for the modeling of features like nonlinearity, discontinuity, and overlap. In contrast to a tree model, a hypergraph accommodates these nonhierarchical structures naturally. …”
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Femoral Head Coverage Assessment in Healthy Children Younger than 6 Years by Suvorov Vasyl, Filipchuk Viktor, Zyablovskyi Evhen

“…It was found that the growth process of different acetabular regions occurs nonlinearly with the periods of acceleration. Anterior and superior-anterior acetabular regions grow more intensively in boys up to 3 years old and between 4 and 5 years old both in boys and girls; superior-posterior, posterior-superior, and posterior-inferior acetabular regions grow more intensively in boys and girls up to 3 years old and between 4 and 5 years old (p≤0.005). …”
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EXPERIMENTAL ANALYSIS AND NUMERICAL SIMULATION ON SAG RESISTANCE OF RUBBER CONVEYOR BELT by CHEN HongYue, LI YongHong, MAO Jun, ZHANG Yu, WANG Xin

“…Pressure resistance nonlinearly increase with the increasing of pressure as the effect of cover layer of viscoelasticity and the hysteretic nature. …”
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The Principal Parametric Resonance of Coupled van der Pol Oscillators under Feedback Control by Xinye Li, Huabiao Zhang, Lijuan He

“…It is found that nontrivial solutions corresponding to periodic motions exist only for one oscillator if no feedback control is applied although the two oscillators are nonlinearly coupled. Based on Levenberg-Marquardt method, the effects of excitation and control parameters on the amplitude of periodic solutions of the system are graphically given. …”
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The Study of Influence of Freeze-Thaw Cycles on Silty Sand in Seasonally Frozen Soil Regions by Zhijie Yu, Jianhong Fang, Anhua Xu, Wenjun Zhou

“…The cohesion decreases and the internal friction angle decreases nonlinearly. The dynamic shear modulus and damping ratio do not change significantly. …”
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Improving the Machine Learning Stock Trading System: An N-Period Volatility Labeling and Instance Selection Technique by Young Hun Song, Myeongseok Park, Jaeyun Kim

“…Additionally, an instance‐selection technique is utilized to address the limitations of stock data, including noise, nonlinearity, and complexity, while effectively reducing the data size. …”
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Backstepping Sliding Mode Control Algorithm for Unmanned Aerial Vehicles Based on Fractional-Order Theory by Yanzhu Zhang, Bo Zhuang, Chunhao Ma, Cheng Zhang

“…This paper combines the fractional-order calculus theory with the backstepping sliding mode control algorithm, using the backstepping control to compensate for the nonlinearity of the system and the fractional-order theory to eliminate the jitter brought about by the sliding mode control, and proposes a new fractional-order backstepping sliding mode control strategy for the trajectory tracking control of the quadrotor UAV. …”
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Performance Characteristics of Cemented Tailings Containing Crumb Rubber as a Filling Material by Zhuoqun Yu, Nan Qin, Sa Huang, Jianguang Li, Yongyan Wang

“…The inclusion of crumb rubber increased the failure strain and nonlinearity index of the cemented tailings. It was found that the addition of 4% crumb rubber provided the greatest improvement in ductility. …”
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Synergistically complex social well-being: The trust factor by S. A. Kravchenko

“…For its sociological diagnostics, humanistically oriented interdisciplinarity is proposed, organically including both new theories of chaos, complexity and nonlinearity, and humanistic concepts of the sovereign national sociology.…”
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Ultraviolet-Enhanced Flat Supercontinuum Light Generated in Cascaded Photonic Crystal Fiber by Han Dong, Zhiyuan Huang, Xiaotao Yang, Zhuozhao Luo, Yu Zheng, Ruochen Yin, Wenbin He, Meng Pang, Xin Jiang

“…The following PCF samples with decreasing core diameters enhance the waveguide nonlinearity, and at the same time provide continuously-shorter phase-matching wavelengths for dispersive-wave emission, thereby pushing the short-wavelength edge of the SC spectrum into the deep ultraviolet spectral region. …”
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Multi-objective optimization of grinding process parameters for complicated worm space surface based on the grey wolf optimization algorithm by Jiongkang Ren, Shisong Wang, Keqi Ren

“…Grinding is a critical method for enhancing the quality of worm tooth surfaces, and its process optimization has long been a significant research focus; however, existing methods are insufficient in addressing the nonlinearity and complexity inherent in the grinding of complex surfaces. …”
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Short-Term Power Load Prediction Method Based on VMD and EDE-BiLSTM by Yibo Lai, Qifeng Wang, Gang Chen, Yu Bai, Peiyu Zhao, Xiaojing Liao, Shuang Wu, Changyou Men, Quan Sun

“…Aiming at the diversity and flexibility of electric loads and their inherent nonlinearity and temporality in the context of the new era. …”
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Noise in ecosystems: A short review by B. Spagnolo, D. Valenti, A. Fiasconaro

“…Noise, through its interaction with the nonlinearity of the living systems, can give rise to counter-intuitive phenomena such as stochastic resonance, noise-delayed extinction, temporal oscillations, and spatial patterns. …”
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Experimental Demonstration of Special-Shaped 32-Quadrature Amplitude Modulation Constellations for Visible Light Communications by Xinyue Guo, Shuangshuang Li, Yang Guo

“…Experimental results show that the bit error rate performance is finally decided by the value of PAPR in the VLC system due to the serious nonlinearity of the LED, where the Circular (4, 11, 17) scheme always performs best under the 7% preforward error correction threshold of 3.8 × 10−3 with 62.5Mb/s transmission data rate and 1-meter transmission distance.…”
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Impact of Buffer Layer on Electrical Properties of Bow-Tie Microwave Diodes on the Base of MBE-Grown Modulation-Doped Semiconductor Structure by Algirdas Sužiedėlis, Steponas Ašmontas, Jonas Gradauskas, Aurimas Čerškus, Aldis Šilėnas, Andžej Lučun

“…These properties include voltage sensitivity, electrical resistance, I–V characteristic asymmetry, nonlinearity coefficient, and photoluminescence. The investigation revealed that the buffer layer, as well as the illumination with visible light, strongly influences the properties of the bow-tie diodes.…”
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Bottom-up fabrication of 2D Rydberg exciton arrays in cuprous oxide by Kinjol Barua, Samuel Peana, Arya Deepak Keni, Vahagn Mkhitaryan, Vladimir M. Shalaev, Yong P. Chen, Alexandra Boltasseva, Hadiseh Alaeian

“…To harness these nonlinearities for quantum applications, the confinement dimensions must match the Rydberg blockade size, which can reach several microns in Cu2O. …”
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Development of a New Modified Sonar Inspired Optimization based on Machine Learning Methods for Evaluating Compressive of High-Performance Concrete by Ali Nikkhoo, Amin Moshtagh, Mehri Mehrnia

“…The nonlinearity observed in high-performance concrete (HPC) can be attributed to its distinctive features. …”
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