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20501
Discrete Dynamic Modeling Analysis of Rural Revitalization and Ecotourism Sustainable Prediction Based on Big Data
Published 2022-01-01“…In view of this situation, this paper uses the mathematical algorithm of BP neural network to simulate the structure of brain neural network to deal with this kind of nonlinear relationship problem. …”
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20502
Performance Prediction Model of Dynamic Pressure Oil-Air Separator
Published 2021-01-01“…Based on the aeroengine lubricating oil system test bench, this paper used a dimensional analysis method to establish a mathematical model for predicting the separation efficiency and resistance of a dynamic pressure oil-air separator suitable for engineering. …”
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20503
Prediction of the Compressive Strength of Concrete Admixed with Metakaolin Using Gene Expression Programming
Published 2020-01-01“…One of the problems of optimization of concrete is to formulate a mathematical equation that shows the relationship between the various constituents of concrete and its properties. …”
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20504
Adsorption Equilibria of Natural Gas Components on Activated Carbon: Pure and Mixed Gas Isotherms
Published 2008-06-01“…In this study, measurements of experimental data for the adsorption equilibria of binary mixtures of CH 4 with C 2 H 6 , CO 2 , C 3 H 8 and N 2 — as obtained in a volumetric/chromatographic set-up — are presented and compared with mathematical models for multi-component adsorption based on pure component adsorption data. …”
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20505
Instability Condition Derivation for Hydraulic AGC System under Pressure Closed-Loop Control
Published 2021-01-01“…In this work, for each component of the HAGC system, the mathematical model was established. And on the basis of the linking relation of various elements, we derived the incremental transfer model of the PCL system. …”
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20506
Research on High-Precision Attitude Control of Joint Actuator of Three-Axis Air-Bearing Test Bed
Published 2021-01-01“…A combined actuator including flywheel, air-conditioner thruster, and automatic balancing device is designed, and a hierarchical saturation PD control algorithm is proposed to improve the control accuracy and anti-interference ability of the three-axis air-bearing test bed. Finally, the mathematical simulation of the proposed control algorithm is carried out, and the physical verification is carried out on the three-axis air-bearing test bed. …”
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20507
Development of Wrist Rehabilitation Device based on Coaxial Spherical Parallel 3RRR Mechanism
Published 2021-10-01“…On this basis,the inverse kinematics mathematical model of the wrist rehabilitation device is established,and the relationship between the motor input angle and the output pose of the robot end is obtained,and the robot working space is determined,the maximum angle of rotation around the <italic>X</italic> axis is 32°,the maximum angle of rotation around the <italic>Y</italic> axis is 37°,and the full rotation around the <italic>Z</italic> axis. …”
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20508
Prediction and optimizing residual stress profile induced by cold expansion in aluminum alloys using experimental design
Published 2019-03-01“…Moreover, the proposed mathematical models were used to determine the optimal values of the various factors for the residual stress profiles prediction at any factor values, in order to achieve maximum service life after repair of a cracked structure or to delay crack initiation and growth in riveted or bolted structures. …”
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20509
Dynamic Reactive Power Optimization Strategy for AC/DC Hybrid Power Grid Considering Different Wind Power Penetration Levels
Published 2024-01-01“…Firstly, a detailed mathematical model of the AC/DC hybrid system is established. …”
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20510
Analysis of Total Suspended Solid at Merah Putih Beach, Bangkalan Regency
Published 2025-01-01“…The advanced empirical modelling tests reveal the Polynomial mathematical equation had a smaller RMSE and a larger R square of 82,34 mg/l and 0.4468. …”
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20511
Mechanistic Features of Nanodiamonds in the Lapping of Magnetic Heads
Published 2014-01-01“…This is the first study to develop mathematical models for nanodiamond embedment. Such models can predict the optimum parameters for particle embedment. …”
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20512
Heuristic Algorithm for Cross-Platform Credit Risk Transmission Based on Hybrid Strategies
Published 2022-01-01“…Besides, a novel community model is applied to predict the credit risk areas in advance. In detail, the mathematical association structure between credit entities is firstly given in the algorithm, and the breadth first search algorithm is used to find the hierarchical nodes on the credit risk transmission paths. …”
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20513
Performance Assessment of Hybrid Fibre-Reinforced Concrete (FRC) under Low-Speed Impact: Experimental Analysis and Optimized Mixture
Published 2023-01-01“…In addition, the calculated R2 values and normal probability graphs showed a fairy accurate correlation between the results of the experimental and mathematical approaches. Finally, this study evaluated the fracture surface, adhesion of the fibres to the concrete, and degradation modes of the fibres to pave the way for optimal utilization of these hybrid FRCs.…”
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20514
Wheel and Shoe Composite Stair Climbing Wheelchairs and Dynamic Analysis of Wheel Shoe Switching
Published 2023-12-01“…In response to the current issues of wheel and shoe composite ladder wheelchairs, such as tire interference with the track, and collision between the wheelchair and the top platform during ladder climbing, a wheel shoe composite stair climbing wheelchair with a swing arm track chassis as the stair climbing mechanism and a new wheel shoe switching scheme is designed. Its mathematical model is established, the centroid coordinates, the vertical displacement curve of the center of mass for climbing stairs are analyzed, and the dynamic change curve of the swing arm motor and electric push rod during the four stages of wheel shoe switching are obtained. …”
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20515
Research on the spatial state and electrical distance variation of overhead transmission lines with changes in foundation
Published 2025-01-01“…These factors include the degree of tower sinking, the elasticity and tension of the overhead lines, the positions and heights of adjacent towers, wind force, temperature, and other environmental elements. A mathematical model was developed to describe the positional changes of overhead lines following tower sinkage, and formulas were used to calculate the new suspension point positions and electrical distance variations of the wires. …”
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20516
Considering the Carbon Penalty Rates to Optimize the Urban Distribution Model in Time-Varying Network
Published 2022-01-01“…In this paper, the time-varying network in urban distribution is mathematically described and calculated. By considering the carbon penalty rate, the distribution optimization model is analyzed to formulate the optimal urban distribution scheme for enterprises. …”
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20517
A Simple Method to Design and Analyze Dynamic Vibration Absorber of Pipeline Structure Using Dimensional Analysis
Published 2020-01-01“…A beam-based dynamic vibration absorber (beam DVA) is a device comprising an L-shaped beam with a concentrated mass at its free end that can be used to absorb and dissipate vibrations in the pipeline. In this paper, a mathematical equation is extracted to design the beam DVA using the dimensional analysis (DA) method and data recorded from 120 experimental tests. …”
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20518
A new efficient genetic algorithm-Taguchi-based approach for multi-period inventory routing problem
Published 2023-12-01“…In this paper, we present a mathematical model and a novel genetic algorithm for solving the multi-period inventory routing problem. …”
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20519
Structural Design and Kinematic Analysis of a 10-DOF Exoskeleton Rehabilitation Robot
Published 2022-08-01“…Simulation research shows that the structural design scheme and mathematical model of the exoskeleton rehabilitation robot are feasible and correct.…”
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20520
How Influential Are Mental Models on Interaction Performance? Exploring the Gap between Users’ and Designers’ Mental Models through a New Quantitative Method
Published 2017-01-01“…A total of 32 college students participated and their performance was recorded. Through mathematical analysis of the results, three findings were derived. …”
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