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International Journal of Vehicle Systems Modelling and Testing最新文献

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Rear wing spoiler effects on vehicle stability and aerodynamic performance 尾翼扰流板对车辆稳定性和气动性能的影响
International Journal of Vehicle Systems Modelling and Testing Pub Date : 2021-01-01 DOI: 10.1504/ijvsmt.2021.10047387
H. Ragheb, M. El Gindy
{"title":"Rear wing spoiler effects on vehicle stability and aerodynamic performance","authors":"H. Ragheb, M. El Gindy","doi":"10.1504/ijvsmt.2021.10047387","DOIUrl":"https://doi.org/10.1504/ijvsmt.2021.10047387","url":null,"abstract":"","PeriodicalId":35145,"journal":{"name":"International Journal of Vehicle Systems Modelling and Testing","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66698753","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Scale simulation of battery performance for electric vehicles 电动汽车电池性能的比例模拟
International Journal of Vehicle Systems Modelling and Testing Pub Date : 2021-01-01 DOI: 10.1504/ijvsmt.2021.10044628
Juan Pedro Carriquiry, C. Armenta Déu
{"title":"Scale simulation of battery performance for electric vehicles","authors":"Juan Pedro Carriquiry, C. Armenta Déu","doi":"10.1504/ijvsmt.2021.10044628","DOIUrl":"https://doi.org/10.1504/ijvsmt.2021.10044628","url":null,"abstract":"","PeriodicalId":35145,"journal":{"name":"International Journal of Vehicle Systems Modelling and Testing","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66698651","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigation of various passive steering modes for a multi-wheeled combat vehicle 多轮战车各种被动转向方式的研究
International Journal of Vehicle Systems Modelling and Testing Pub Date : 2021-01-01 DOI: 10.1504/ijvsmt.2021.10043860
Moataz Ahmed, M. Omar, Mustafa El Gindy
{"title":"Investigation of various passive steering modes for a multi-wheeled combat vehicle","authors":"Moataz Ahmed, M. Omar, Mustafa El Gindy","doi":"10.1504/ijvsmt.2021.10043860","DOIUrl":"https://doi.org/10.1504/ijvsmt.2021.10043860","url":null,"abstract":"","PeriodicalId":35145,"journal":{"name":"International Journal of Vehicle Systems Modelling and Testing","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66698340","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research on brushless DC hub motor control system 无刷直流轮毂电机控制系统的研究
International Journal of Vehicle Systems Modelling and Testing Pub Date : 2020-12-06 DOI: 10.1504/ijvsmt.2020.10034041
Zeng Song, Xiao-bin Fan, Jing Gan
{"title":"Research on brushless DC hub motor control system","authors":"Zeng Song, Xiao-bin Fan, Jing Gan","doi":"10.1504/ijvsmt.2020.10034041","DOIUrl":"https://doi.org/10.1504/ijvsmt.2020.10034041","url":null,"abstract":"The brushless DC hub motor is an important part of the wheeled electric vehicle. It has the advantages of simple structure, reliable operation, high efficiency and good speed regulation performance. Based on the mathematical model of brushless DC motor (BLDCM), the ontology model of BLDCM is established based on Matlab2016/Simulink environment combined with S-function. Then the model of speed-current double closed-loop PID, fuzzy adaptive PID and sliding mode control system of brushless DC hub motor is established, and the control system of BLDCM is simulated according to the demand of the electric vehicle. The results show that the sliding mode control system has a good control effect and lays a solid foundation for the design of the actual control system.","PeriodicalId":35145,"journal":{"name":"International Journal of Vehicle Systems Modelling and Testing","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42656528","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Random sampling and probabilistic consensus for identifying outliers in road surface datasets 路面数据集异常值识别的随机抽样和概率一致性
International Journal of Vehicle Systems Modelling and Testing Pub Date : 2020-12-06 DOI: 10.1504/ijvsmt.2020.10034036
Savio Pereira, J. Ferris
{"title":"Random sampling and probabilistic consensus for identifying outliers in road surface datasets","authors":"Savio Pereira, J. Ferris","doi":"10.1504/ijvsmt.2020.10034036","DOIUrl":"https://doi.org/10.1504/ijvsmt.2020.10034036","url":null,"abstract":"Road surface measurement plays a crucial role in the modelling and simulation of vehicles as the road surface is one of the primary means of excitation. A prevalent technique for measuring road surfaces utilises scanning lasers whose measurements produce a non-uniform, 3-dimensional point cloud representation, in which statistical outliers typically manifest. In this work, a novel, axiomatic, probabilistic method for simultaneously identifying outliers and estimating the road surface height at uniformly spaced grid nodes is developed. The method expands on the concepts used in the seminal model fitting algorithm, random sampling and consensus (RANSAC), to address a situation in which multiple underlying models may exist in a neighbourhood of the data. The proposed method, called random sampling and probabilistic consensus (RSPC), is evaluated on a 2-dimensional simulated road surface dataset containing 60% outliers in order to demonstrate its effectiveness at identifying outliers and simultaneously estimating grid node heights.","PeriodicalId":35145,"journal":{"name":"International Journal of Vehicle Systems Modelling and Testing","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43310425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prediction of energy dissipation of off-road vehicles using smoothed-particle hydrodynamics techniques 用光滑颗粒流体力学技术预测越野车辆的能量耗散
International Journal of Vehicle Systems Modelling and Testing Pub Date : 2020-12-06 DOI: 10.1504/ijvsmt.2020.10034040
Fatemeh Gheshlaghi, A. Mardani, Zeinab El-Sayegh
{"title":"Prediction of energy dissipation of off-road vehicles using smoothed-particle hydrodynamics techniques","authors":"Fatemeh Gheshlaghi, A. Mardani, Zeinab El-Sayegh","doi":"10.1504/ijvsmt.2020.10034040","DOIUrl":"https://doi.org/10.1504/ijvsmt.2020.10034040","url":null,"abstract":"This paper studies the energy dissipated during experimental and simulated procedures for the pressure-sinkage and shear-strength test. These tests are performed using a clayey-loam soil and modelled as smoothed-particle hydrodynamics (SPH) technique in Visual Environment's Pam-Crash software. The hydrodynamic elastic plastic material is used to define the equation of state for the clayey-loam soil. The soil is modelled at five different levels of compaction to represent multi-pass of a tyre over soil. The soil calibration is performed using the pressure-sinkage and direct shear-strength test and validated using experimental data from a soil bin facility. The energy dissipation is calculated using the soil sinkage values at every pass of wheel. Finally, the results of experimental and simulation dissipation energy are discussed and the effect of the tyre multi-pass on dissipated energy is investigated and presented. This research will further continue to model an agricultural FEA tyre over the clayey-loam soil to compute tyre performance and interaction characteristics.","PeriodicalId":35145,"journal":{"name":"International Journal of Vehicle Systems Modelling and Testing","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45150280","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Estimating road profiles in quarter car model using two methods 用两种方法估计四分之一汽车模型的道路轮廓
International Journal of Vehicle Systems Modelling and Testing Pub Date : 2020-12-06 DOI: 10.1504/ijvsmt.2020.10034039
MingZhe Gong, Dong-Cherng Lin, Chang Der Lee
{"title":"Estimating road profiles in quarter car model using two methods","authors":"MingZhe Gong, Dong-Cherng Lin, Chang Der Lee","doi":"10.1504/ijvsmt.2020.10034039","DOIUrl":"https://doi.org/10.1504/ijvsmt.2020.10034039","url":null,"abstract":"Vehicle controllability analysis on real roads can be obtained only if valid road profile and tyre road friction model are known. This work determines the time-vary road profiles, called inputs, in a nonlinear system using two input estimation methods. Both algorithms use the extended Kalman filter (EKF) with two different recursive estimators to determine inputs and states. Based on the two regression equations, a recursive least-squares estimator is used with a tuneable fading factor called a conventional input estimation (CIE) and an adaptive weighting fading factor called an adaptive weighting input estimation (AWIE). Numerical simulations of a nonlinear system, quarter car model, demonstrate the accuracy of the proposed methods. Simulation results show that proposed methods accurately estimate road profiles, tyre forces, and states, and the AWIE approach has superior robust estimation capability to the CIE method in the nonlinear system. The simulation results are the same with the single degree of freedom.","PeriodicalId":35145,"journal":{"name":"International Journal of Vehicle Systems Modelling and Testing","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44544606","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research on the mode switching control of vehicle electromagnetic suspension employing linear motor 采用直线电机的车辆电磁悬架模式切换控制研究
International Journal of Vehicle Systems Modelling and Testing Pub Date : 2020-12-06 DOI: 10.1504/ijvsmt.2020.10034043
Xiangpeng Meng, Ruochen Wang, Renkai Ding, Long Chen
{"title":"Research on the mode switching control of vehicle electromagnetic suspension employing linear motor","authors":"Xiangpeng Meng, Ruochen Wang, Renkai Ding, Long Chen","doi":"10.1504/ijvsmt.2020.10034043","DOIUrl":"https://doi.org/10.1504/ijvsmt.2020.10034043","url":null,"abstract":"An electromagnetic suspension employing linear motor is able to harvest the energy otherwise wasted in the suspension vibration while the vehicle is running on rough road. A switch method of operation modes is put forward to coordinate the contradiction between energy regeneration and vibration isolation. A dynamic model is created to analyse the general properties of energy regeneration suspension under different working modes. Both simulation and experiments are conducted to verify the modelling and advantages. In energy regenerative mode, the dynamic properties of electromagnetic suspension are basically coincident with those of passive suspension, and more than 14 W of electricity is harvested while driving at 20 m s−1 on level C road. In active control mode, the RMS of vehicle body vertical acceleration and tyre dynamic load are decreased by 21.35% and 4.24% respectively, much better than passive suspension, which proves that the mode switching method is simple and effective.","PeriodicalId":35145,"journal":{"name":"International Journal of Vehicle Systems Modelling and Testing","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43621807","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Study on the laminated frame strength of heavy-duty fracturing pump truck considering slip effect 考虑滑移效应的重型压裂泵车层合框架强度研究
International Journal of Vehicle Systems Modelling and Testing Pub Date : 2020-07-21 DOI: 10.1504/ijvsmt.2020.10030671
L. Zhongyan, Wensheng Xiao, Cui Junguo, Xiaodong Sun
{"title":"Study on the laminated frame strength of heavy-duty fracturing pump truck considering slip effect","authors":"L. Zhongyan, Wensheng Xiao, Cui Junguo, Xiaodong Sun","doi":"10.1504/ijvsmt.2020.10030671","DOIUrl":"https://doi.org/10.1504/ijvsmt.2020.10030671","url":null,"abstract":"A differential equation for the slip effect of a continuous superposition beam under asymmetric loads and flexible support was formulated in this study to study the effects of the stress distribution law and the slip effect of laminated frame under actual loads on the overall stress level of the frame. While considering continuity and free boundary conditions, a semi-analytical solution to the slippage of the superposed beam interface was proposed. An experiment for frame strength was designed based on the results of the numerical analysis. A field stress test was performed on the main frame and sub-frame, and the results demonstrated that slip effect could influence the overall mechanical properties of the laminated frame to some extent. Considering slip effect conforms to the actual mechanical properties of the laminated frame.","PeriodicalId":35145,"journal":{"name":"International Journal of Vehicle Systems Modelling and Testing","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47374582","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study on equivalent circuit model of lithium titanate battery for rail transit 轨道交通用钛酸锂电池等效电路模型研究
International Journal of Vehicle Systems Modelling and Testing Pub Date : 2020-07-21 DOI: 10.1504/ijvsmt.2020.10030672
Qiuting Wang, Wei Qi
{"title":"Study on equivalent circuit model of lithium titanate battery for rail transit","authors":"Qiuting Wang, Wei Qi","doi":"10.1504/ijvsmt.2020.10030672","DOIUrl":"https://doi.org/10.1504/ijvsmt.2020.10030672","url":null,"abstract":"Recently, lithium titanate batteries have been widely used in energy storage systems, because of their attractive performance and environmentally friendly characteristics. Regarding the state estimation of lithium titanate batteries used in the new energy rail transit vehicles, the research work accomplished in our study mainly includes model-driven state estimation method on short time scale, and ageing mechanisms analysis based on state estimation result on long time scale. The experiments were conducted under constant current and UDDS dynamic conditions using three types of lithium titanate batteries. The results indicate that the maximum voltage error of our new battery model and estimation method is less than 2%.","PeriodicalId":35145,"journal":{"name":"International Journal of Vehicle Systems Modelling and Testing","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42383522","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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