Monitoring Model of Concrete Dam Deformation Based on Gray Wolf Optimization Algorithm by CHEN Shuyun, ZHOU Wenzhong, GU Yanchang, WANG Hong

“…Dam deformation is one of the most reliable indicators that can reflect the actual condition of concrete dam.Modeling and analysis of dam deformation monitoring data is an effective way to reflect the operation behavior of concrete dam and seek for the internal law of deformation.In addition,the mathematical model can be applied to predict the deformation.In order to improve the accuracy of modeling and deformation prediction,this paper proposes a deformation monitoring model of concrete dam based on gray wolf optimization algorithm,applies the model to the engineering examples and compares the results with that from the statistical model established by the conventional stepwise regression method and the BP-neural network.The results show that the monitoring model based on the gray wolf optimization algorithm has higher accuracy and better prediction effect.Therefore,the gray wolf algorithm is superior in establishing deformation model,which provides a new reference for deformation analysis and prediction of concrete dam.…”
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Dynamic Multicompartment Refrigerated Vehicle Routing Problem with Multigraph Based on Real-Time Traffic Information by Deng-Kai Hou, Hou-Ming Fan, Ying-Chun Lv, Xiao-Xue Ren

“…Aiming at the dynamic multicompartment refrigerated vehicle routing problem with multigraph based on real-time traffic information, this study, based on the idea of preoptimization followed by real-time adjustment, establishes a two-stage mathematical model with minimizing delivery cost. In the preoptimization phase, this study, based on historical traffic information, designed a hybrid chaotic genetic algorithm with variable neighborhood search (HCGAVNS) to obtain the initial delivery scheme. …”
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Research of the Transfer Method of Four-dimensional Coordinate to Three-dimensional Coordinate by Ran Xiaoyan, Zhang Bai

“…The coordinate measure machine（CMM） with rotary table is often use in the field of precision measurement.Because of the error evaluation requires that all measured point must be expressed in the same coordinate system,but the workpiece coordinate system is changed in the process of measuring because of rotation of rotary table,so it is difficult to evaluate errors.Therefore,a model for coordinate transfer from four-dimensional coordinate system to three- dimensional coordinate system is created.Through the transfer algorithm of coordinate system,the four- dimensional coordinate with rotary table can be transferred to a three dimension Cartesian coordinate by utilizing rotary table coordinate system to act as medial coordinate system,then,it can be transferred to workpiece coordinate system or machine coordinate system,sequentially,the error evaluation is realized.The experimental results show that the mathematical model is right,and it can meet the requirement of precise measurement.…”
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Mechanism Design and Mechanical Analysis of Multi-mode Grab Underactuated Hand by Hanlin Sun, Yu Hou

“…The structure and motion process of multi-mode grab underactuated hand are introduced， and the mathematical model of underactuated manipulator is established. …”
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Stepwise fuzzy correction of the algorithm filters of random signals by A. A. Lobaty, A. S. Radkevich

“…It is assumed that the gauges are discrete and are described, like the original process assessed, by a discrete mathematical model in the form of difference equations. …”
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Study on the Mechanism of Tooth Breakage Fault in Gear Rotor System Under Load Excitation by Haihan Zhang, Fang Ren, Jinhao Feng

“…Because of the time-varying meshing stiffness of gears and the unbalance of the rotor system， the coupling mathematical model of the gear rotor system is established based on the rotor dynamics and Lagrange equation， and the simulation model is established in Matlab/Simulink. …”
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Optimization of Torque Models for Radial Meshing Nutation Magnetic Gears Based on the Genetic Algorithm by Lou Meiyan, Yao Ligang, Guo Chenxian

“…Based on the magnetic vector potential theory of the constant magnetic field, the magnetic induction intensity model of the radial meshing nutation magnetic gears is established, and the mathematical model of the torque of the radial meshing magnetic gear is deduced. …”
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Analytical Study of Nonlinear Fractional-Order Integrodifferential Equation: Revisit Volterra's Population Model by Najeeb Alam Khan, Amir Mahmood, Nadeem Alam Khan, Asmat Ara

“…Padé approximation was effectively used in this method to capture the essential behavior of solutions for the mathematical model of accumulated effect of toxins on a population living in a closed system. …”
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Fuzzy Inference-Based Adaptive Sonar Control for Collision Avoidance in Autonomous Underwater Vehicles by Kot Rafał

“…Simulations conducted based on the mathematical model of the AUV confirmed that the proposed approach increased the effectiveness of collision avoidance systems for AUVs compared to classical echosounder and sonar-based systems.…”
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Research on Recognition， Positioning and Grasping of Robotic Arms Based on an Improved ORB Algorithm by Li Xinyan, Zhou Min

“…Firstly, the improved ORB algorithm was used to identify the target, and then the target was positioned according to the binocular stereo vision optical axis parallel model. Then, the mathematical model of the robotic arm was established by using the standard D-H parameter method, and the inverse kinematics was solved. …”
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Fuzzy Sliding Mode Control Method for AUV Buoyancy Regulation System by Wende Zhao, Decheng Wang, Zhenzhong Chu, Mingjun Zhang

“…In this paper, a fuzzy sliding mode control scheme is developed for the buoyancy regulation system to solve the abovementioned problems. At first, a mathematical model of the buoyancy regulation system is established, and the stability of the system is analyzed. …”
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ACCEPTABLE LIMITS FOR CORRECTION OF HEATING LOAD WHILE OPTIMIZING OPERATIONAL MODES OF HEAT SOURCES by P. I. Diachek, V. A. Sednin, A. E. Zakharevich, I. V. Shkliar

“…Numerical investigations of temperature fields in the apartments of a multi-dwelling building has been carried out on the basis of the developed mathematical model and algorithm of its realization. The investigations have  made it possible to evaluate dynamics of changes in air temperature under unsteady conditions due to increase or reduction heating device capacity with regard to standardized values. …”
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A hybrid model for traffic flow and crowd dynamics with random individual properties by Veronika Schleper

“…Based on an established mathematical model for the behavior of large crowds, a new model is derived that is able to take into account the statistical variation of individual maximum walking speeds. …”
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A METHODOLOGY FOR THE EVALUATION OF FUNCTIONAL URBAN AREAS IN ROMANIA by ANTONIO TACHE, MONICA TACHE

“…This methodology is redefining functional urban areas and is based on the study of polycentric ESPON 1.1.1 and on a statistical-mathematical model for assessing the Functional Urban Areas (FUA-s), using a spatial database in ARCGIS 10.2.2. …”
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Application of a naive Bayesians classifiers in assessing the supplier by Mijailović Snežana, Ilić Đorđe

“…The paper considers the class of interactive knowledge based systems whose main purpose of making proposals and assisting customers in making decisions. The mathematical model provides a set of examples of learning about the delivered series of outflows from three suppliers, as well as an analysis of an illustrative example for assessing the supplier using a naive Bayesian classifier. …”
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RESEARCH ON FUZZY CONTROL SIMULATION OF CVT RATIO BASED ON ENGINE SPEED REGULATION CHARACTERISTICS by GUO Wei, JIA GaoXiang, ZHANG Wu, CHEN Ya

“…The power transmission system is simplified into a double rotating mass model. Through mathematical model of the whole vehicle,the physical model is established by using Simulink,and a speed ratio fuzzy control method based on the speed regulation characteristic of engine is proposed,then the starting condition,braking condition and circulating condition are simulated respectively. …”
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Decision Method of Bridge Deck Pavement Maintenance Based on the Decision Maker’s Objective by Xiaofei Liang, Jun Shi, Zhongmei Li

“…By the existing deterioration model, this paper studies the bridge operation safety maintenance strategy, establishes the mathematical model of the influence of different degrees of maintenance measures on the structural performance, combines with the cost-benefit theory, establishes the maintenance risk decision criteria for the decision makers with different objectives, and makes the decision on the selection of the bridge deck pavement scheme based on the enterprise position through an example.…”
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RESEARCH ON PERFORMANCE PREDICTION OF THIN SEAM SHEARER BY COMBINING GENETIC ALGORITHM WITH BP NEURAL NETWORK by ZHAO LiJuan, JIN ZhongFeng

“…Optimization method based on the combination of genetic algorithm（ GA） and BP neural network was proposed for the problems that traditional method can`t solve about the multi Factor impact shearer coal capacity. Established mathematical model of thin seam shearer,we use genetic algorithm to optimize the weighted values and threshold values of the BP neural network,using the simulation data for training and testing samples,and then use the BP algorithm to train the neural network,thus avoiding the local minimum values when the training is done with the BP neural network alone. …”
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Research of the Traction Control of Flexible Work Surface Belt Drive of Heavy Duty Construction Vehicle by Lou Jie

“…To reduce the energy consumption of heavy duty construction vehicle pollution,and improve the capacity of the complex conditions of the vehicle,the multi-metal complex with stepless transmission and front / rear axle torque distribution device in the traditional drive system are imported,a new mathematical model of heavy duty four-wheel heavy duty construction vehicle is established,finally,a four-wheel drive heavy duty construction vehicle traction integrated control strategy is obtained.The results show that large ratio change conditions required for the engine reaches maximum speed of the longest and highest speed reached a minimum;small ratio change conditions can achieve high speed,the speed curve more smooth and steady acceleration phase speed change under the conditions of large ratio rate change;after the introduction of traction control system,slip phenomenon can be well suppressed over a driving wheel,the drive wheel speed control range of the space in the target vehicle speed.…”
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Grey Prediction for Accuracy Life of Roller Pushing Mechanism by Zhang Liping

“…The regular testing error value of position accuracy of chain head is constituted as an original data series at equal intervals. The mathematical model of gray system is established. Monotonically increasing time data sequence is obtained by accumulating generating calculation. …”
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