Showing 941 - 960 results of 2,985 for search 'function angle', query time: 0.13s Refine Results
  1. 941

    Mechanism of reverse fault activation when mining under the condition of thick and hard roof by Weijian YU, Hanxiao GUO, Ke LI, Ze LIAO, Genshui WU, Bao PAN

    Published 2025-02-01
    “…The distance function formula between the movement line of different layers of overlying strata and the fault plane was obtained by combining the fault dip angle, and the boundary transition area between the fault plane and the rock layer movement line was accurately delineated. …”
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    Article
  2. 942

    UAV Autonomous Navigation Based on Deep Reinforcement Learning in Highly Dynamic and High-Density Environments by Yuanyuan Sheng, Huanyu Liu, Junbao Li, Qi Han

    Published 2024-09-01
    “…In addition, a dynamic reward function is constructed based on a non-sparse reward function to balance the agent’s conservative behavior and exploratory behavior during the model training process. …”
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    Article
  3. 943
  4. 944

    Robust Path Tracking Control with Lateral Dynamics Optimization: A Focus on Sideslip Reduction and Yaw Rate Stability Using Linear Quadratic Regulator and Genetic Algorithms by Karrar Y. A. Al-bayati, Ali Mahmood, Róbert Szabolcsi

    Published 2025-05-01
    “…The dynamic system model of the vehicle is represented based on yaw rate angle, lateral speed, and vehicle sideslip angle as the variables of the state space model, with the steering angle as an input parameter. …”
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    Article
  5. 945

    A Dynamic Inverse Decoupling Control Method for Reducing Energy Consumption in a Quadcopter UAV by Guoxin Ma, Kang Tian, Hongbo Sun, Yongyan Wang, Haitao Li

    Published 2025-05-01
    “…Next, by solving the actual control variables, a fast convergence system is dynamically formed by the deviation between the virtual control variables and their actual values, ensuring that the specific function combination of pitch angle and yaw angle quickly converges to the expected value. …”
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    Article
  6. 946

    Effects of Rhythm Step Training on Foot and Lower Limb Balance in Children and Adolescents with Flat Feet: A Radiographic Analysis by Ji-Myeong Park, Byung-Cho Min, Byeong-Chae Cho, Kyu-Ri Hwang, Myung-Ki Kim, Jeong-Ha Lee, Min-Jun Choi, Hyeon-Hee Kim, Myung-Sung Kang, Kyoung-Bin Min

    Published 2024-08-01
    “…Key variables, such as quadriceps angle (Q-angle), calcaneal pitch angle (CPA), calcaneal–first metatarsal angle (CFMA), and navicular–cuboid overlap ratio (OR) were measured before and after the intervention. …”
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    Article
  7. 947

    Double-scaled SYK, chords and de Sitter gravity by Herman Verlinde

    Published 2025-03-01
    “…We use the obtained match to compute the partition function and scalar two-point function in 3D de Sitter gravity.…”
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    Article
  8. 948

    Control Method of Main Steam Valve Opening in Multi-Machine Power System by Integrating Dynamic Surface and RBF Neural Network by Ying Xia

    Published 2025-01-01
    “…This study proposes a robust control method for main valve opening in multi-machine power systems that integrates dynamic surfaces and radial basis function neural networks to address the poor robustness and stability in existing control systems. …”
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    Article
  9. 949

    Comparison of gluteal muscle central activation in individuals with and without patellofemoral pain by Kai-Yu Ho, Michael Carpio, John Donohue, Jacob Kissman, Jing Nong Liang

    Published 2025-02-01
    “…This study compared the central activation ratio (CAR) of the gluteus medius and gluteus maximus between individuals with and without PFP, and assessed the associations between gluteal CAR, frontal plane projection angle of the trunk and lower extremity, and knee function. …”
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    Article
  10. 950

    Effect of additional free sustentaculum tali screw fixation through modified sinus tarsi approach on intra-articular calcaneal fractures by Yongyang Sun, Yingluo Gu, Ke Xu, Nan Yi, Jiaju Zhao, Yong Zhang, Bo Jiang

    Published 2024-11-01
    “…Imaging evaluation included the Böhler angle, Gissane angle, length, height, and width of the calcaneus, and the Böhler angle in both groups 1 year after surgery. …”
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    Article
  11. 951

    Patient-specific instrumentation technology enhances clinical outcomes in total elbow arthroplasty by Changgui Zhang, Hongquan Heng, Shu Deng, Xin Chen, Guangxing Chen, Hao Chen

    Published 2025-04-01
    “…Additionally, in the 3DP group, changes in the imaging indicators such as the angle between the axis of humerus medullary cavity and the hinge axis of elbow (H-H angle), the angle between the axis of middle ulna medullary cavity and the hinge axis of elbow (MU-H angle), the angle between the axis of proximal ulna medullary cavity and the hinge axis of elbow (PU-H angle) were assessed before and after surgery. …”
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    Article
  12. 952

    Enhancing Trajectory Tracking Performance of Underwater Gliders Using Finite-Time Sliding Mode Control Within a Reinforcement Learning Framework by Guohui Wang, Jianing Yu, Yanan Yang

    Published 2025-04-01
    “…Given the intricate and ever-changing underwater environment, the precise management of an underwater glider’s dive depth and pitch angle is imperative for optimal functionality.This study introduces a finite-time sliding mode control method for controlling dive depth and pitch angle of underwater gliders. …”
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    Article
  13. 953

    Influence of joint fissure occurrence on stress distribution of coal wall in large mining height by Weibin Guo, Yichen Gao, Gang Wang

    Published 2025-08-01
    “…The abutment pressure at the same position in the limit equilibrium zone increases. The dip angle and azimuth angle of the joint surface have a relatively small influence on the bearing pressure in the limit equilibrium zone.…”
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    Article
  14. 954

    Protein misfolding and mitochondrial dysfunction in glaucoma by Arunkumar Venkatesan, Audrey M. Bernstein, Audrey M. Bernstein

    Published 2025-04-01
    “…Emerging evidence suggests that pathological mechanisms relating to protein folding and mitochondrial dysfunction are significant factors in the disease onset of different types of open-angle glaucoma. In this review, we discuss these defects in three distinct types of open-angle glaucoma: primary open-angle glaucoma (POAG), normal tension glaucoma (NTG), and exfoliation glaucoma (XFG). …”
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    Article
  15. 955

    Multi-objective design optimization of a transonic axial fan stage using sparse active subspaces by Richard Amankwa Adjei, Chengwei Fan

    Published 2024-12-01
    “…The proposed strategy utilized sparse polynomial chaos expansion on a limited dataset to generate a function from which the differential and the covariance matrix can be obtained. …”
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    Article
  16. 956

    Research on Tracking Control of Unmanned Mine Trucks Based on Adaptive Preview by HUANG Yaoran, LIU Zhicong, KANG Yuanrong

    Published 2022-10-01
    “…Considering the cumulative tracking error between reference trajectory and predicted trajectory, vehicle steering response delay and other factors, a multi-objective optimization function of adaptive preview is constructed. Finally, the optimization function is solved by genetic algorithms (GA), and the optimal preview point is output to the rear wheel feedback controller to realize the optimal control of the vehicle in the global path tracking process. …”
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    Article
  17. 957

    Energy-Based Adaptive Control for Variable-Rope-Length Double-Pendulum Ship-Borne Cranes: A Disturbance Rejection Stabilization Controller Without Overshoot by Ken Zhong, Yuzhe Qian, He Chen, Shujie Wu

    Published 2025-01-01
    “…Firstly, the energy function of the system is constructed by analyzing the dynamic model of the system. …”
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    Article
  18. 958

    基于最优传动性能设计偏置曲柄滑块机构的研究 by 苏有良

    Published 2014-01-01
    “…Under the design conditions of given time ratio and stroke,according to the bias schematic diagram slider-crank mechanism,the value interval of crank length is obtained by analysis,the structure size design formula of slider-crank mechanism is deduced and the function equation of crank length is the minimum transmission angle is built.Application of MATLAB software platform programming,the-change line graph is acquired and when the minimum transmission angle has a maximum value,the crank length value is solved,the crank length values is substituted into the design of the formula,you can get slider-crank mechanism unique optimal transmission performance solution, the feasibility and correctness of this design is verified by an example,the design process is simple and straightforward.…”
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    Article
  19. 959

    Structural Design and Motion Analysis of the Wearable Knee Joint Exoskeleton by Li Jing, Zhou Jianjun, Zhao Yiqin, Wen Zhiye

    Published 2017-01-01
    “…The lower limb exoskeleton can walk normally through the dynamic simulation of ADAMS,the correctness of the driving function of the knee joint is verified and the torque curve of knee joint is prepared for the control. …”
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    Article
  20. 960

    Research of NC Gear-hobbing Machining and Error Compensation by Jia Dongsheng, Zhao Jiali

    Published 2015-01-01
    “…The electronic composite differential unit is used to process the angle position pulse from the hobbing spindle and to process the motion coordinate( or angle position) pulse from the workpiece axis. …”
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    Article