TORSION PENDULUM DYNAMIC CHARACTERISTICS STUDY OF SCRAPER CHAIN SYSTEM OF SCRAPER CONVEYOR by MAO Jun, WANG Xin, CHEN HongYue, ZHANG Yu

“…In order to investigate torsion pendulum dynamic characteristics of scraper chain system,dynamic model of scraper chain system was established by using finite element method.Numerical simulation was analyzed for dynamic characteristics of scraper chain system by applying pulse load,step load and slope load.Torsion pendulum dynamic characteristics of scraper chain system,dynamic response of chain and dynamic tension transfer characteristic of scraper were researched.The results show that scraper has a big angular displacement at bearing section,and has a big torsion moment.Angular displacement amplitude and torsion moment amplitude gradually reduce from bearing section to the sides.The results provide theoretical basis for dynamic design of scraper conveyor.…”
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SYSTEM ANALYSIS OF THE FOUR-PRONG LEGGED ACCELEROMETER BASED ON TRAPEZOIDAL VARIABLE CROSS-SECTION BEAM by LU KunLei, SUN JiangHong, YI YuanLin, DU HongChen

“…Combining the four-prong legged acceleration system dynamic response,stability and sensitivity of support stiffness,a trapezoidal beam with variable cross section was designed and optimized. …”
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Surrogate-Based Multisource Sensitivity Analysis of TBM Driving System by Wei Sun, Maolin Shi, Jieling Li, Xin Ding, Lintao Wang, Xueguan Song

“…With the vibration response of the key nodes and the dynamic meshing force for the system dynamic characteristic evaluation index, considering the change of input parameters such as external loads, material parameters, meshing parameters, and coupling parameters, the global parameter sensitivity of system dynamic characteristics is analyzed based on the technology of surrogate model. …”
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Hyperchaotic Circuit Based on Memristor Feedback with Multistability and Symmetries by Xiaoyuan Wang, Xiaotao Min, Pengfei Zhou, Dongsheng Yu

“…A novel hyperchaotic circuit is proposed by introducing a memristor feedback in a simple Lorenz-like chaotic system. Dynamic analysis shows that it has infinite equilibrium points and multistability. …”
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Dynamics Control of the Complex Systems via Nondifferentiability by Carmen Nejneru, Anca Nicuţă, Boris Constantin, Liliana Rozemarie Manea, Mirela Teodorescu, Maricel Agop

“…A new topic in the analyses of complex systems dynamics, considering that the movements of complex system entities take place on continuum but nondifferentiable curves, is proposed. …”
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Formation of narrative competence of a future doctor by T. V. Mescheryakova

“…Also some results of the RFBR project № 10-06-00313 «Attractive Management: Methodological Principles of Managing Complex Systems’ Dynamics» are presented.…”
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Cutting Tooth Kinematic Simulation and Virtual Prototype of EBH300A Roadheader by Huang Jiannong, Bai Long, Dong Zhifeng

“…In order to realize the functions of remote control cutting coal and rock,and intelligent remember shaping,it is necessary to study the kinematic characteristics of cutting tooth of EBH300 A roadheader during operation.According to the engineering design of EBH300 Aroadheader prototype,the 3Dsolid model and virtual prototype are built with Pro/E software.The mechanical system dynamic analysis software is used to simulate the displacement,movement based on the parameters of the EBH300 Aroadheader,in which,the motion displacement,velocity and acceleration of cutting tooth on the cutting head are provided.…”
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考虑支承跨距的非线性转子系统动力学特性研究 by 李辉, 管洪杰, 邵凤翔, 刘希东

“…According to the geometric model of spindle deformation,the total displacement relation of the front end of the spindle is obtained,and the optimum bearing span of the spindle is determined according to the minimum displacement of the front end.By means of numerical integration,the nonlinear dynamic response of the rotor system with the optimal span support is given,and the influence of rotational speed on the system dynamic response is analyzed by using axial trajectory diagram,phase portraits and Poincaré map.The results show that the rotor bearing system has good stability when it is running under the optimum support span.…”
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QoS Assurance Key Technologies in Space-Ground Heterogeneous Network by Lin LIN, Bin ZHU, Zelin WANG, Guangquan WANG, Haipeng YAO, Tao DONG, Weiying FENG

“…The high dynamics of the topology structure, the high variability of the links between space and ground, and the highly limited network resource in the space-ground heterogeneous network pose significant challenges.To address these challenges, a space-ground heterogeneous joint QoS assurance scheme was proposed based on deep analysis of space-ground heterogeneous network development situation.The cross-domain network resource orchestration, construction of a space-ground QoS system, dynamic policy control of heterogeneous joint QoS, and on-demand adaptation and deployment of space-ground network resources technologies were discussed.…”
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A Dynamic Analysis of a Flexible Rotor in Ball Bearings with Nonlinear Stiffness Characteristics by Dong-Soo Lee, Dong-Hoon Choi

“…The results show that the nonlinear stiffness characteristics of ball bearings significantly influence system dynamic behaviors and the proposed analysis approach for the nonlinear rotor-bearing system is effective.…”
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Event-Triggered Stability Analysis of Semi-Markovian Jump Networked Control System with Actuator Faults and Time-Varying Delay via Bessel–Legendre Inequalities by Hongqian Lu, Chaoqun Guo, Yue Hu, Wuneng Zhou

“…This paper discusses the stability of semi-Markovian jump networked control system containing time-varying delay and actuator faults. The system dynamic is optimized while the network resource is saved by introducing an improved static event-triggered mechanism. …”
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THEORETICAL ANALYSIS AND EXPERIMENTAL STUDY USED FOR SOUND QUALITY OF INVERTER AIR CONDITIONER NOISE by XUE WeiFei, CHEN Jun, CHEN Jin, XU Hao, ZHANG Hao

“…Then,the"rock"noise and periodic"buzz"noise are analyzed in detail,and system dynamic balance and beat are main reasons. Some methods are obtained to eliminate the lowfrequency noise and can improve the sound quality. …”
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A Simple Repairable System with Warning Device by Xiao Zhang, Lina Guo

“…Then the unique existence and asymptotic stability, especially the exponential stability of the system dynamic solution, are studied by using the strongly continuous semigroup theory or C0 semigroup theory and the spectrum theory. …”
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Dynamic Simulation Analysis of Engine Timing Belt System based on AVL by Guo Jianhua, Li Wenhua, Shao Yue, Wu Yizhen, Jiang Hongyuan

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Dynamic Optimum Design for the Gear Transmission System of the Lifting Mechanism of Mining Excavator by Peng Wei, Ni Liyong, Yu Chuhong

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DYNAMIC CHARACTERISTICS ANALYSIS OF FLEXIBLE FOUNDATION VIBRATION ISOLATION SYSTEM by ZHANG DaoKun, HUO Rui, LI ShuYing, WANG ZhiDong

“…By transforming the system dynamic equation into an expression of initial value problem of differential equation,the calculation method of transmitted power flow is deduced,which is put forward to evaluation and analysis of isolation effectiveness. …”
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Location-Dependent Prediction of Dynamic Stability Limit for Peripheral Milling of Surfaces with Variable Curvatures by Baosheng Wang, Hongyan Hao, Mulan Wang, Junming Hou

“…Moreover, a milling system dynamic model is established based on the instantaneous milling force coefficients, and the stability limit is determined by means of the time-domain semidiscretization method. …”
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DYNAMIC CHARACTERISTIC ANALYSIS AND DESIGN IMPROVEMENTS OF FIRE TRUCKS LUFFING SYSTEM by WU XiaoQiang, ZHANG ChunYou

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Application of Federal Kalman Filter with Neural Networks in the Velocity and Attitude Matching of Transfer Alignment by Lijun Song, Zhongxing Duan, Bo He, Zhe Li

“…The result of simulation shows that the federal Kalman filter based on neural networks is better in estimating the initial attitude misalignment angle of inertial navigation system (INS) when the system dynamic model and noise statistics characteristics of inertial navigation system are unclear, and the estimation error is smaller and the accuracy is higher.…”
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Nonlinear Dynamics and Chaos in Systems with Discontinuous Support by Sandor Divenyi, Marcelo Amorim Savi, Luiz Fernando Penna Franca, Hans Ingo Weber

“…As an application of the general formulation, a single-degree of freedom oscillator with discontinuous support is analyzed. System dynamical behavior shows a rich response, presenting dynamical jumps, bifurcations and chaos.…”
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