ROBOT TRAJECTORY PLANNING BASED ON 4-1-4 SPLINE INTERPOLATION WITH THE SAME INTERPOLATION TIME by XIONG RuiYang, JIA JianPin, HU RongHua, YUAN XinLiang, GUO FuMin

“…Finally,trajectory planning of multiple joints and drawing images are carried out.In ADAMS,the upper extremity exoskeleton rehabilitation robot based on 1: 1 model is simulated to verify the correctness of the function.By Analysing of trajectory planning parameters for single and multiple joints,then the results are compared with the simulation data in ADAMS to prove the feasibility and stability of this method,which can be used in the trajectory planning of rehabilitation robot.…”
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Dynamic privacy measurement model and evaluation system for mobile edge crowdsensing by Mingfeng ZHAO, Chen LEI, Yang ZHONG, Jinbo XIONG

“…To tackle the problems of users not having intuitive cognition of the dynamic privacy changes contained in their sensing data in mobile edge crowdsensing (MECS) and lack of personalized privacy risk warning values in the data uploading stage, a dynamic privacy measurement (DPM) model was proposed.A structured representation of data obtained by a user participating in a sensing task was introduced and was transformed it into a numerical matrix.Then privacy attribute preference and timeliness were presented to quantify the dynamic privacy changes of data.With this, personalized privacy thresholds of users based on the numerical matrix were reasonably calculated.Finally, differential privacy processing was performed on the numerical matrix, and a model evaluation system was designed for the proposed model.The simulation results show that the DPM model was effective and practical.According to the given example, a data utility of approximately 0.7 can be achieved, and the degree of privacy protection can be significantly improved as the noise level increases, adapting to the MECS of IoT.…”
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THEORETICAL MODELING AND TEST SIMULATION RESEARCH OF DOUBLE-LAYER VIBRATION ISOLATION SYSTEM by CHEN GaoSheng, LAI LiangQing, JIANG HongGang, SU ZhengTao

“…The force transportation-rate results through theoretical model and finite simulation method and test were compared and analyzed,the results show,the natural frequencies obtained from the theoretical model and simulation model are basically same,the force transportation-rate has the same trend on the whole,the theoretical results and simulated results accord well with the test results in the low frequency between 0 to 150 Hz,when the frequency exceeds 150 Hz,there are some differences between theoretical results,simulation results and test results to some extent.…”
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WEAR SIMULATION FOR ARTIFICIAL HIP JOINT BASED ON EXPERIMENTAL MODEL by 鲍雨梅, 许景顺, 吴蕾, 高海明, 徐哲玉, 马龙

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Intra-group mutual authentication key agreement protocol based on Chinese remainder theorem in VANET system by Haibo ZHANG, Zhou CHEN, Hongwu HUANG, Xiaofan HE

“…Aiming at the problem that vehicles in the vehicular ad-hoc network (VANET) system were vulnerable to malicious attacks when communicating with each other on the public network, a mutual authentication key agreement protocol in the VANET was proposed.A dynamic vehicle group was established by the Chinese remainder theorem to adapt to the rapid changes in the VANET topology.Signature information was used by both parties in communication to quickly authenticate the identity of the message sender, and key agreement was conduct through the semigroup of Chebyshev chaotic mapping.The pseudonym update and private key update mechanism were adopted to protect the privacy and security of the vehicle’s identity.The identities of malicious vehicles were tracked accurately by using signature information, and were revoked quickly by modifying the public key information.In addition, the semantic security of the protocol was proved by the BAN logic model.The simulation results show that the proposed protocol can effectively reduce the communication consumption and significantly reduce the computational consumption compared with the existing similar literature.…”
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IMPACT OF GREENING ON MINIMIZING THE URBAN HEAT ISLAND EFFECT TO IMPROVE THERMAL COMFORT (THE AREA BETWEEN THE TWO HOLY SHRINES IN KARBALA) by Hala. H. Musa

“…To achieve the study goal, the research carried out its practical side by using the environmental simulation program, ENVI- met, where it prepared two models for the study area, one of them is a model that simulates the reality, and the other is a model proposed by the research, in which the area was planted with a type of shade-giving trees to provide the highest possible shading rate in the area in an attempt to reduce the phenomenon of the urban heat island in the evening. …”
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Dynamic Characteristics of the Gear Transmission System of a Hybrid Vehicle by Qin Pengfei, Zhang Xiong, Chen Bin, Fan Li, Su Zhanling, Wang Ruohuang

“…A bench test for comparing and verifying the correctness of the dynamic model and simulation calculation is set up. The position of the box with the largest amplitude through the test is obtained, which provides a strong basis for optimizing the structure of the transmission system and improving the vibration characteristics of the gear box.…”
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Antiskid Design Method and Simulation Optimization of Rope Rail Conveyors by Zhao Huijian, Zhang Yaocheng, Pang Xinyu, Zuo Lingfei, Tian Weiming

“…The second-order contact antiskid meshing pair and line contact antiskid meshing pair are modeled and simulated, and the sliding condition of the second-order contact antiskid meshing pair is tested by a single factor. …”
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Application of Tuned Vibration Absorbers in Fluid Mounts by Mohammad Jalali Mashayekhi, Nader Vahdati

“…Bond graph modelling technique is used to model the new fluid mount design. The physical model and simulation results are presented. The effect of the natural frequency of the TVA on the dynamic stiffness of the fluid mount is studied.…”
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Simulation design to find the welfare impacts of livestock trading and disease transmission. by Hyeonjun Hwang

“…This study designs a theoretical model and simulation model that can explain the welfare impacts of disease transmission that occurs in livestock trade. …”
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Analysis of Cholera Epidemic Controlling Using Mathematical Modeling by Kinfe Hailemariam Hntsa, Berhe Nerea Kahsay

“…Moreover, we compute the sensitivity indices of each parameter in relating to ℛ0 of the model. Numerical simulations are carried out to validate our theoretical results. …”
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THE MODELLING OF CARGO TRANSSHIPMENT OPERATIONS USING THE BUSINESS PROCESS MODELLING TOOLS by Catalin POPA, Ionela GOIA

“…By employing Aura Portal Modeller for simulation, the study identifies bottlenecks and proposes optimization strategies for the transshipment process. …”
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Precise deployment scheme of 10G PON based on different scenarios by Yin LIN, Xiaoxia QIN, Guodong WANG, Shutian WEI

“…At present, with the rapid development of gigabit broadband users and gigabit applications, each communication operation has begun to accelerate the construction of gigabit optical network.However, in the upgrading process of 10G PON, two difficulties have gradually emerged, namely, high equipment cost and high complexity of network construction.Three models was established, including GPON gigabit user carrying capacity measurement model, investment benefit analysis model of gigabit network construction and gigabit value community identification model, to simulate and calculate the best 10G PON port deployment scenario of a mobile company, so as to realize the precise deployment of 10G PON port and support the development of gigabit broadband service efficiently.At the same time, the three models were also applicable to any communication operators in any region.The corresponding 10G PON network deployment scenarios can be simulated and output only by inputting the current PON network data and the current community data.…”
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Predator Interference in a Predator–Prey Model with Mixed Functional and Numerical Responses by Jawdat Alebraheem

“…Theoretical results show that the system has no effect on coexistence or extinction in these types of models. Numerical simulations present two different dynamics with identical results on the theoretical side of model stabilization for both dynamics. …”
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The Effects of Land Use Change upon Hydrological Balance Components in Kordan Basin Using HEC- HMS Model by Mojtaba Yamani, Akbar Mehrjonezhad

“…In the basin model component, the SCS Curve Number and SCS Unit Hydrograph were used respectively for the loss and transform methods; the Specified Hyetograph was used in the meteorological model too. Simulation results showed that the runoff coefficient has been increased from 71.38 percentage in 1987 to 73.71 percentage in 2000 and 77.89 percentage 2009.…”
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Location-Routing Problem of Emergency Facilities under Uncertain Demand by Branch-Price and Cut by Xuchen Deng

“…In addition, we take the Wenchuan Earthquake as an example to verify the practicability of the method. The robust model is simulated under different uncertainty levels and distributions and compared with the scheme obtained by the deterministic problem. …”
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Enhancing Fine Aerosol Simulations in the Remote Atmosphere with Machine Learning by Mingxinyu Lu, Chloe Yuchao Gao

“…Using the GEOS-Chem model, we simulate five fine aerosol types and enhance the simulation results using five machine-learning algorithms: Random Forest, XGBoost, SVM, KNN, and LightGBM, and compare the performance of these algorithms. …”
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Simulation Analysis and Experimental Study of Human Lower Limb Joint Motion by Xin Zhou, Geng Liu, Bing Han, Kai Qiao, Xiaoli Liu

“…The results show that the simplified model and simulation test are reasonable and effective and they are in line with the walking process of human lower limbs. …”
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Surveillance Strategy in Duck Flocks Vaccinated against Highly Pathogenic Avian Influenza Virus by Sophie Planchand, Timothée Vergne, Jean-Luc Guérin, Séverine Rautureau, Guillaume Gerbier, Sébastien Lambert

“…We used a mathematical model to simulate the transmission of HPAI viruses in vaccinated duck flocks and assess the effectiveness of a wide range of surveillance strategies. …”
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Three-Dimensional Seepage Field Inversion Analysis and Seepage Control Effect Evaluation of Shuidishan Reservoir by PAN Yingjie, XU Jianjun, XIE Xinghua, LU Bin, ZHANG Yu, XIE Dongyi

“…Moderate permeable joint zones occur at the right dam abutment of the Shuidishan reservoir,which indicates a risk of seepage damage at the right dam abutment and its downstream.To reasonably evaluate the effect of reservoir seepage control measures,we build an overall three-dimensional (3D) seepage model to simulate the stable seepage in a natural state and the operation period.The permeability coefficient of the rock layer is optimized,and the seepage field characteristics of the reservoir area are analyzed.The results show that the downstream uplift pressure of the dam foundation is significantly reduced under the combined effect of the water-blocking curtain and the depressurization of drainage holes.Moreover,the curtain grouting lowers the local groundwater level within the right dam abutment,which inhibits the leakage of the joint zones to a certain extent.The overall seepage discharge of the reservoir is relatively small,which indicates that the layout of the water prevention and drainage system of the current project is acceptable,and thus the leakage of the joint zones at the right dam-abutment is effectively prevented.…”
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