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International Journal of Vehicle Noise and Vibration最新文献

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A nonlinear quarter-car active suspension design based on feedback linearisation and H∞ control 基于反馈线性化和H∞控制的四分之一汽车非线性主动悬架设计
International Journal of Vehicle Noise and Vibration Pub Date : 2018-07-09 DOI: 10.1504/IJVNV.2018.10011096
T. Shaqarin, Nabeel Alshabatat
{"title":"A nonlinear quarter-car active suspension design based on feedback linearisation and H∞ control","authors":"T. Shaqarin, Nabeel Alshabatat","doi":"10.1504/IJVNV.2018.10011096","DOIUrl":"https://doi.org/10.1504/IJVNV.2018.10011096","url":null,"abstract":"The nonlinear behaviour of suspension elements is substantial when the vehicles experience large road disturbances. These nonlinearities lead to performance deterioration of active suspension systems, which in turn degrades ride comfort, road holding and road handling. Standard control trends on the active suspension count on linear models to benefit from the well established linear control theory, while neglecting the nonlinear dynamics of the suspension systems. In this study, the quarter-car model has a nonlinear suspension spring with a hysteretic nature. The presented design is based on the combination of feedback linearisation (FBL) and H∞ controller. This approach is selected to take in consideration the nonlinear behaviour of the suspension system, while maintaining the opportunity to conduct the linear control theory. The main objective is maximising the ride comfort while keeping the suspension stroke, tyre dynamic load, and actuator force bounded. To assess the efficiency of the proposed design, simulations are performed on two types of road disturbances. The time and frequency domain simulations show the superiority of the proposed feedback controller in providing ride comfort in comparison with the passive suspension system. Moreover, the proposed design guarantees an agreement between the ride comfort and the other design constraints.","PeriodicalId":34979,"journal":{"name":"International Journal of Vehicle Noise and Vibration","volume":"14 1","pages":"1"},"PeriodicalIF":0.0,"publicationDate":"2018-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42160990","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
Vibration analysis of simulated tyre-vehicle system using frequency-based substructuring 基于频率子结构的仿真轮胎车辆系统振动分析
International Journal of Vehicle Noise and Vibration Pub Date : 2018-01-01 DOI: 10.1504/IJVNV.2018.10021341
Matthew Clontz, S. Taheri, Reilly Giunta
{"title":"Vibration analysis of simulated tyre-vehicle system using frequency-based substructuring","authors":"Matthew Clontz, S. Taheri, Reilly Giunta","doi":"10.1504/IJVNV.2018.10021341","DOIUrl":"https://doi.org/10.1504/IJVNV.2018.10021341","url":null,"abstract":"There is a complex relationship between tyre dynamics and the overall ride comfort and noise of a given vehicle. The main source of this complexity is the interaction of the tyre and vehicle subsystems. This interaction is investigated in the present work through an application of frequency-based substructuring techniques to obtain frequency response information for the tyre from a quarter car system. First, these techniques are applied to a simplified, single coupling degree of freedom representation of the quarter car system. Subsequently, the process is repeated for a simulated system containing a rigid ring tyre model. The results show the power of the technique for studying tyre and suspension subsystems as parts of the assembled quarter car system. This process will allow for a more precise estimation of vehicle ride properties without the need to create complex models or test physical models for each tyre-suspension combination.","PeriodicalId":34979,"journal":{"name":"International Journal of Vehicle Noise and Vibration","volume":"14 1","pages":"281"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66688927","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
Impact identification of traffic flow and road age on traffic noise emission via an approach of relative traffic noise pressure index 应用相对交通噪声压力指数方法识别交通流量和道路年龄对交通噪声排放的影响
International Journal of Vehicle Noise and Vibration Pub Date : 2018-01-01 DOI: 10.1504/IJVNV.2018.10021343
L. Dai, Kai Huang, Matthew X. Yao
{"title":"Impact identification of traffic flow and road age on traffic noise emission via an approach of relative traffic noise pressure index","authors":"L. Dai, Kai Huang, Matthew X. Yao","doi":"10.1504/IJVNV.2018.10021343","DOIUrl":"https://doi.org/10.1504/IJVNV.2018.10021343","url":null,"abstract":"In this study, a series of field experiments are conducted on a highway to identify the effects of traffic flow and pavement operation time on traffic noise emission. The traffic noise at different times and pavement durations is investigated. Logarithmic functions are established in the investigations to fit the measurements of traffic flow and traffic noise at two measurement sites. An indicator named the relative traffic noise pressure index is proposed for quantitatively evaluating the effects of the road pavement ageing on traffic noise emission. The results of the research indicated that the repaved road surface may effectively reduce the traffic noise level when the operation time of the road surface is relatively short. It is also shown in the present research that the relative traffic noise pressure index proposed is an effective measure for evaluating the traffic noise with respect to the traffic flow and road pavement ageing.","PeriodicalId":34979,"journal":{"name":"International Journal of Vehicle Noise and Vibration","volume":"14 1","pages":"301"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66688967","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
A survey on road noise prediction for milled shoulder rumble strip designs 磨肩隆隆带设计道路噪声预测研究
International Journal of Vehicle Noise and Vibration Pub Date : 2018-01-01 DOI: 10.1504/IJVNV.2018.10018288
Paris Kalathas, D. Hurwitz, Christopher E. Parrish, Kira Glover-Cutter, Yue Zhang
{"title":"A survey on road noise prediction for milled shoulder rumble strip designs","authors":"Paris Kalathas, D. Hurwitz, Christopher E. Parrish, Kira Glover-Cutter, Yue Zhang","doi":"10.1504/IJVNV.2018.10018288","DOIUrl":"https://doi.org/10.1504/IJVNV.2018.10018288","url":null,"abstract":"Cell phones, navigation systems and extended work hours are only some of the causes of distracted or fatigued driving, which increases the likelihood of crashes in road networks. To address this problem, Departments of Transportation (DOTs) nationwide have implemented warning devices called rumble strips, which can be installed on road pavements to alert the drivers of lane departures. While rumble strips are successful in preventing drivers from running off road, they create additional roadside noise, which sometimes becomes annoying for the residents in the vicinity. Ongoing research aims to mitigate rumble strip noise. This survey synthesises the current state of knowledge for noise assessment of rumble strips and identifies current gaps in existing techniques and associated models to guide future research efforts to best address rumble strip effectiveness.","PeriodicalId":34979,"journal":{"name":"International Journal of Vehicle Noise and Vibration","volume":"14 1","pages":"251"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66688902","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
Simulation of the vibrational behaviour of a multi-cylinder engine 多缸发动机振动特性的仿真
International Journal of Vehicle Noise and Vibration Pub Date : 2018-01-01 DOI: 10.1504/IJVNV.2018.10014909
D. Siano, R. Citarella, E. Armentani
{"title":"Simulation of the vibrational behaviour of a multi-cylinder engine","authors":"D. Siano, R. Citarella, E. Armentani","doi":"10.1504/IJVNV.2018.10014909","DOIUrl":"https://doi.org/10.1504/IJVNV.2018.10014909","url":null,"abstract":"","PeriodicalId":34979,"journal":{"name":"International Journal of Vehicle Noise and Vibration","volume":"1 1","pages":"1"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66688798","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
Effect of multi-parameters interaction on transmission gear rattle based on RBF neural network 基于RBF神经网络的多参数交互作用对变速器齿轮摇响的影响
International Journal of Vehicle Noise and Vibration Pub Date : 2018-01-01 DOI: 10.1504/IJVNV.2018.10018273
D. Guo, Yawen Wang, X. Shi, Guangze Zheng, Xiu Xiong
{"title":"Effect of multi-parameters interaction on transmission gear rattle based on RBF neural network","authors":"D. Guo, Yawen Wang, X. Shi, Guangze Zheng, Xiu Xiong","doi":"10.1504/IJVNV.2018.10018273","DOIUrl":"https://doi.org/10.1504/IJVNV.2018.10018273","url":null,"abstract":"This paper proposes a method to analyse multi-parameters interaction on transmission gear rattle. Firstly, a simulation model of manual transmission was established, and the angular velocity of each loose gear as well as the mesh force were obtained. Then the loose gear angular velocity was measured on a manual transmission gearbox to verify the model. The derivative of gear mesh force was taken as the rattle index (jerk index), and was calculated using forward difference method. A radial basis function (RBF) neural network was applied to map the relationships between the selected input parameters and rattle index. The results show that gear backlash has the largest influence on gear rattle, followed by the inertia of the loose gear, the speed fluctuation and the drag torque. This study can be easily extended to other types of transmission systems to control the gear noise and improve sound quality.","PeriodicalId":34979,"journal":{"name":"International Journal of Vehicle Noise and Vibration","volume":"15 1","pages":"219"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66688848","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
Assessment of gear pit monitoring system based on order analysis 基于订单分析的齿轮坑监测系统评价
International Journal of Vehicle Noise and Vibration Pub Date : 2018-01-01 DOI: 10.1504/IJVNV.2018.10021344
M. E. Morsy
{"title":"Assessment of gear pit monitoring system based on order analysis","authors":"M. E. Morsy","doi":"10.1504/IJVNV.2018.10021344","DOIUrl":"https://doi.org/10.1504/IJVNV.2018.10021344","url":null,"abstract":"Conventional monitoring methods are based on stationary assumptions, thus they are not applicable to the diagnosis of gear working under varying speed and/or non-stationary conditions. In order to extend the conventional diagnostic methods to speed variation cases of the industrial application expressly for maintenance decisions, order analyses techniques are proposed. Order analyses methods are introduced to extract the harmonic orders of pitted gears from the response signals under constant and variable speed conditions, and the FFT-based analyses are performed in order spectra. Order cepstrum is presented for gear fault diagnosis under steady state operation condition to measure the ability of this type of order analysis as a monitoring technique at different operation conditions. The effectiveness of the proposed methods is demonstrated by real vibration signals collected from the vehicle gearbox. Analysed results show that the proposed methods could identify faulty gears effectively and accurately under different operation conditions.","PeriodicalId":34979,"journal":{"name":"International Journal of Vehicle Noise and Vibration","volume":"29 1","pages":"320"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66688977","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
Validation of an innovative viscoelastic treatment, integrated on a real vehicle mock-up for the internal vibro-acoustic improvement 验证了一种创新的粘弹性处理方法，并将其集成到真实的车辆模型中，以改善内部振动声学
International Journal of Vehicle Noise and Vibration Pub Date : 2018-01-01 DOI: 10.1504/IJVNV.2018.10021345
M. Viscardi, M. Arena, D. Siano, M. Brandizzi
{"title":"Validation of an innovative viscoelastic treatment, integrated on a real vehicle mock-up for the internal vibro-acoustic improvement","authors":"M. Viscardi, M. Arena, D. Siano, M. Brandizzi","doi":"10.1504/IJVNV.2018.10021345","DOIUrl":"https://doi.org/10.1504/IJVNV.2018.10021345","url":null,"abstract":"The 'vibro-acoustic design' of the current and future means of transport is going to become one of the focal points of the technological and commercial challenges which will involve in the coming years the bigger manufacturing houses in the world stage. In this framework, the authors, following in-depth broad spectrum investigations, have designed and performed the mass-production of innovative viscoelastic foam to enhance the sound-absorbing performances better than the conventional trim treatments. Noise characterisation rational strategies for real vehicles have successfully confirmed the results already reached by laboratory tests on the stand-alone components. After a brief digression on the outcomes achieved in the previous works, in this context particular attention has been paid to the trim-layer assembly in view of the integration in the passenger's compartment for the vibro-acoustic qualification.","PeriodicalId":34979,"journal":{"name":"International Journal of Vehicle Noise and Vibration","volume":"14 1","pages":"341"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66688532","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
Robustness analysis of feedback linearisation and LQR control on quarter-car model with cubic nonlinearity 三次非线性四分之一小车模型反馈线性化与LQR控制的鲁棒性分析
International Journal of Vehicle Noise and Vibration Pub Date : 2018-01-01 DOI: 10.1504/IJVNV.2018.10018283
T. Shaqarin
{"title":"Robustness analysis of feedback linearisation and LQR control on quarter-car model with cubic nonlinearity","authors":"T. Shaqarin","doi":"10.1504/IJVNV.2018.10018283","DOIUrl":"https://doi.org/10.1504/IJVNV.2018.10018283","url":null,"abstract":"The nonlinear behaviour of suspension elements is crucial when vehicles encounter large road inputs. These nonlinearities lead to performance degradation of active suspension systems. Feedback linearisation (FBL) is an efficient technique for nonlinear systems, whereas it may have a drawback when the nonlinearities are not well estimated and/or their parameters are varying or uncertain. Hence, the robustness of FBL for active suspension systems is investigated. In this work, the quarter-car model has a suspension spring with a cubic nonlinearity. The presented design is based on the combination of FBL and LQR controller. The LQR controller is preferred owing its ability to define an objective function that takes into consideration the active suspension performance specifications. To assess the performance and robustness of the proposed controller, simulations are carried out on two types of road profiles. They demonstrate the robustness of the FBL with LQR controller against uncertain nonlinear suspension stiffness.","PeriodicalId":34979,"journal":{"name":"International Journal of Vehicle Noise and Vibration","volume":"14 1","pages":"238"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66688865","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: 5
Acoustic transfer function in gasoline engines 汽油机中的声传递函数
International Journal of Vehicle Noise and Vibration Pub Date : 2018-01-01 DOI: 10.1504/IJVNV.2018.10018293
Faisal Mahroogi, S. Narayan, Vipul Gupta
{"title":"Acoustic transfer function in gasoline engines","authors":"Faisal Mahroogi, S. Narayan, Vipul Gupta","doi":"10.1504/IJVNV.2018.10018293","DOIUrl":"https://doi.org/10.1504/IJVNV.2018.10018293","url":null,"abstract":"The structure of an engine plays a key role in its performance on various NVH benchmarks. Materials used to manufacture engine casing quantify noise emissions. Previous studies have pointed out towards the nonlinear and time variant nature of sound attenuation properties of an engine. This paper aims to investigate the sound transfer function of a medium stroke gasoline engine. Data was acquired from a gasoline engine test rig to study the relationship between in-cylinder pressure development and the resulting radiated noise. The spectrum of noise emissions acquired was compared with the spectrum of in-cylinder pressure developed using cepstrum analysis in order to obtain the transfer function. This function, which represents the structural attenuation of an engine, is mainly dependent on the shape of the combustion chamber, fuel injection parameters and material properties of the engine structure. The test engine was operated at various conditions to see effects on the acoustics transfer function. Variations in the sound pressure levels (SPL) of the transfer function were found to be almost the same, in spite of variations in engine testing conditions. The major novelty of the discussed methodology shows versatility of application of cepstrum analysis technique which has been previously used for non-intrusive fault diagnosis methodology.","PeriodicalId":34979,"journal":{"name":"International Journal of Vehicle Noise and Vibration","volume":"14 1","pages":"270"},"PeriodicalIF":0.0,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66688915","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: 7
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