STUDY ON THE MECHANISM OF INFLUENCE OF INTERNAL GEAR RING FLEXIBILITY ON THE BIAS LOAD BEHAVIOR OF AERONAUTICAL PLANETARY GEAR SYSTEM by DING Shuo, LUO Yuan, LI Ming, NING Yongxu

“…The planetary gear system is widely used in aircraft transmission equipment because of its small size, light weight and large load capacity，but the problem of bias load caused by various errors cannot be avoided, and a serious bias load condition will lead to under utilization of the advantages of the planetary system cannot be fully exploited.The influence mechanism of the flexible change of the inner gear ring on the bias load behavior of the system was investigated by taking a certain type of aeronautical planetary gear system as the research object.The deflection，stress and strain of the inner gear ring were measured by experiments with different number of planets and different rim thicknesses, and the mechanism of bias load was analyzed and the degree of influence of the number of planets and rim thickness on the bias load behavior of the system was evaluated.The advanced simulation calculation and analysis of a large aeronautical planetary system was completed by using a hierarchical finite element model to quantify the influence mechanism of the variation of inner gear ring flexibility on the load distribution and gear ring deflection of the system.The accuracy of the simulation results was evaluated by fitting the experimental and simulation results to the same parameter range for comparison.The research results provide targeted structural optimization guidance for the development and design of internal gear rings of large aeronautical planetary gear systems, which can greatly reduce the cost of this type of large aeronautical equipment in the design and iteration process.…”
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Magnetorheological Elastomer Precision Platform Control Using OFFO-PID Algorithm by Ying-Qing Guo, Jie Zhang, Dong-Qing He, Jin-Bao Li

“…In the algorithm, the particle swarm optimization algorithm is used to optimize initial values of the fractional-order PID controller, and the fuzzy algorithm is used to update parameters of the fractional-order PID controller in real time, and the fractional-order PID controller is used to produce the control currents of the MRE devices. …”
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Future of education in the era of generative artificial intelligence: Consensus among Chinese scholars on applications of ChatGPT in schools by Ming Liu, Yiling Ren, Lucy Michael Nyagoga, Francis Stonier, Zhongming Wu, Liang Yu

“…Consequently, a framework called DATS, which outlines an optimization path for future GAI applications in schools, is proposed. …”
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Ambient Vibration Based Damage Diagnosis Using Statistical Modal Filtering and Genetic Algorithm: A Bridge Case Study by S. El-Ouafi Bahlous, M. Neifar, S. El-Borgi, H. Smaoui

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Dynamic Imbalance Analysis and Stability Control of Galloping Gait for a Passive Quadruped Robot by Chunlei Wang, Ting Zhang, Xiaohui Wei, Yongjun Long, Shigang Wang

“…The control strategy is designed by an optimization dichotomy algorithm for seeking the zero point of the balance condition. …”
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A Multiuser Detector Based on Artificial Bee Colony Algorithm for DS-UWB Systems by Zhendong Yin, Xiaohui Liu, Zhilu Wu

“…Artificial Bee Colony (ABC) algorithm is an optimization algorithm based on the intelligent behavior of honey bee swarm. …”
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Novel Design Method for Bus Approach Lanes with Bus Guidance and Priority Controls for Prioritizing Through and Left-Turn Buses by Shijie Shu, Jing Zhao, Yin Han

“…A detailed bus guidance and priority control optimization model is formulated to guide the buses entering the appropriate bus approach lanes, and it provides optimal signal priorities for buses. …”
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Research on Fault Diagnosis of Ship Propulsion System Based on Improved Residual Network by Wei Yuan, Julong Chen, Xingji Yu

“…Subsequently, the parameters of the phase-contrastive current dot pattern are optimized using the Hunter-Prey Optimization technique to convert the three-phase stator currents of the motor into grayscale images. …”
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Robust Diffeomorphic Mapping via Geodesically Controlled Active Shapes by Daniel J. Tward, Jun Ma, Michael I. Miller, Laurent Younes

“…A gradient descent strategy is employed in the numerical optimization. For the landmark matching case, we demonstrate the robustness of this algorithm as applied to the workflow of a large neuroanatomical study by comparing to an existing diffeomorphic landmark matching algorithm.…”
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PHOTONICS TECHNOLOGY AS A WAY FOR UPGRADING KEY TECHNICAL FEATURES OF RADIO-SIGNAL DELAY DEVICES by T. N. Bakhvalova, M. E. Belkin, I. V. Gladyshev, S. A. Kudzh, A. S. Sigov

“…Based on the previous results for our investigations of various retarding materials for super-wide bandwidth long-term delay lines and shortcomings of the available fiberoptic delay links based on binary delay chain where semiconductor optical switches are used to switch in or out delay segments that are binary multiples of a minimum delay, the principles of optimization and design of next-generation fiber-optics radio-frequency delay devices are proposed. …”
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Transmitter and receiver design for integrated full‐duplex multiple‐input‐multiple‐output communication and multiple‐input‐multiple‐output radar system by Shengnan Shi, Zishu He, Ziyang Cheng

“…The degrees of freedom of system design involve the precoding and combining schemes for UL and DL communications, as well as the receiving filter for radar echo. An optimization problem is developed to maximise a compound communication sum‐rate metric subject to the SINR constraint imposed on target detection performance. …”
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A Sparse Representation Method for Coherent Sources Angle Estimation with Uniform Circular Array by Xiaolong Su, Zhen Liu, Tianpeng Liu, Bo Peng, Xin Chen, Xiang Li

“…After the new objective function is constructed to evaluate residual and sparsity, a second-order cone (SOC) programming is employed to solve convex optimization problem and obtain 2D spatial spectrum. …”
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Coevolutionary dynamics in the grass-livestock social-ecological system of China's alpine pastoral areas: A case study of the Qilian Mountains region in China. by Ligan Cai, Junhao Zhao, Jian Chen

“…This paper uses a system dynamics approach to construct a simulation model of the grass-livestock system in alpine pastoral areas, simulating the long-term dynamic co-evolution of the socio-ecological system in the Qilian Mountains region of China. Four optimization schemes were proposed, and the synergistic development of the grass-livestock system in alpine pastoral areas under each scheme was simulated. …”
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Investigating Ultrafiltration Membranes and Operation Modes for Improved Lentiviral Vector Processing by Jennifer J. Labisch, Maria Evangelopoulou, Tobias Schleuß, Andreas Pickl

“…Thus, downstream processing optimization to enhance efficiency, yield, and product quality is necessary. …”
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Employment of Vehicle-to-Grid Technology to Decrease the Economic-Environmental Costs Equipped with a Mixed-Integer Non-Linear Programming Approach by Jinkui Li, Huahui Li

“…Several constraints are also considered in this optimization problem, which should be met by the proposed method. …”
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Swin-transformer for weak feature matching by Yuan Guo, Wenpeng Li, Ping Zhai

“…We also introduce a matching optimization algorithm that calculates the spatial expected coordinates of local two-dimensional heat maps of correspondences to obtain the final sub-pixel level matches. …”
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A Parametric Design Method for Hybrid Airfoils for Icing Wind Tunnel Test by Zhao Li, Guang-jun Yang, Xiao-yan Tong, Feng Jiang

“…Aiming at generating the full-scale flow field and ice accretion on the leading edge, multiobjective genetic optimization algorithm is used to design the hybrid airfoil under different conditions by combining the airfoil parameterization and solution of spatial constraint. …”
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A Study on the Dynamic Transmission Law of Spiral Drum Cutting Coal Rock Based on ANSYS/LS-DYNA Simulation by Lijuan Zhao, Hongmei Liu, Wenchao Zhou

“…This study has provided a basis for the design and optimization of the drum with regard to reliability.…”
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Simulation of the Thermal Hydraulic Processes in the Horizontal Steam Generator with the Use of the Different Interfacial Friction Correlations by Vladimir Melikhov, Oleg Melikhov, Yury Parfenov, Alexey Nerovnov

“…The 3D code for simulation of the three-dimensional steam-water flows in the steam generator could be effective tool for design and optimization of the horizontal steam generator. The results of the code calculations are determined mainly by the set of the correlations describing interaction of the steam-water mixture with the inner constructions of the SG and interfacial friction. …”
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Noniterative Localized and Space-Time Localized RBF Meshless Method to Solve the Ill-Posed and Inverse Problem by Mohammed Hamaidi, Ahmed Naji, Fatima Ghafrani, Mostafa Jourhmane

“…Then, the problem is solved by using either a developed numerical algorithm or a conventional optimization scheme. The convergence of the technique is achieved when the approximated solution is well compared to the unused data. …”
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