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Cutting-Edge Technologies on automotive and Mobility Applied in Beijing 2022 Winter Olympics

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automotive Innovation 2022年第1期5卷 1-2页

作者： Cheng Lin Diange Yang National Engineering Laboratory for Electric Vehicles Beijing Institute of TechnologyBeijingChina State Key Laboratory of automotive Safety and Energy and Center for Intelligent Connected Vehicles and TransportationTsinghua UniversityBeijingChina

Electric vehicles(EVs)and intelligent and connected vehicles(ICVs)are promising solutions for a more sustainable environment and safer transportation.For better performance,EVs and ICVs need to address issues in special conditions,such as extremely cold weather,complex routes,and mixed traffic scenarios,where hazards associated with batteries,propulsion systems,and other automotive technologies could pose risks to vehicles.

关键词： weather Winter automotive

Smart product design for automotive systems

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Frontiers of Mechanical Engineering 2019年第1期14卷 102-112页

作者： A.Galip ULSOY Department of Mechanical Engineering University of MichiganAnn ArborMI 48109-2125USA

Automobiles evolved from primarily mechanical to electro-mechanical,or mechatronic,vehicles.For example,carburetors have been replaced by fuel injection and air-fuel ratio control,leading to order of magnitude improvements in fuel economy and emissions.Mechatronic systems are pervasive in modem automobiles and represent a synergistic integration of mechanics,electronics and computer science.They are smart systems,whose design is more challenging than the separate design of their mechanical,electronic and computer/control components.In this review paper,two recent methods for the design of mechatronic components are summarized and their applications to problems in automotive control are highlighted.First,the combined design,or co-design,of a smart artifact and its controller is considered.It is shown that the combined design of an artifact and its controller can lead to improved performance compared to sequential design.The coupling between the artifact and controller design problems is quantified,and methods for co-design are presented.The control proxy function method,which provides ease of design as in the sequential approach and approximates the performance of the co-design approach,is highlighted with application to the design of a passive/active automotive suspension.Second,the design for component swapping modularity(CSM)of a distributed controller for a smart product is discussed.CSM is realized by employing distributed controllers residing in networked smart components,with bidirectional communication over the network.Approaches to CSM design are presented,as well as applications of the method to a variable-cam-timing engine,and to enable battery swapping in a plug-in hybrid electric vehicle.

关键词： mechatronics automotive control co-design component swapping modularity active suspensions variable camshaft timing engine plug-in hybrid electric vehicle

automotive Innovation Special Issueon Fuel Cells Call for Papers

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汽车工程 2020年第6期42卷 I0002-I0002页

With the spread of electric vehicles and green vehicles,fuel cell vehicles have attracted increasing attentions from academia to industry.At present,there are many issues to be resolved to achieve the maximum potential of green vehicles,especially the key technologies such as fuel cell system,vehicle integration and hydrogen energy.

关键词： energy. automotive fuel

Semi-solid moulding:Competition to cast and machine from forging in making automotive complex components

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中国有色金属学会会刊：英文版 2010年第S3期20卷 1042-1047页

作者： S.P.MIDSON Aluminium Complex Components Inc 2211 South Jason StreetDenverColorado 80223USA

The very latest technique for impeller manufacture is called semi-solid moulding(SSM).Cummins Turbo Technologies Limited,together with Aluminum Complex Components Inc,developed SSM compressor wheels as a way of achieving cost and durability performance somewhere between that of cast and machined from solid(MFS) aluminium alloy wheels.Experimental results show SSM material has a superior microstructure and mechanical properties over cast and comparable to MFS materials.Component testing including durability testing,using accelerated speed cycle tests,proves SSM compressor wheels emerge as being significantly more durable than cast equivalents and approaching that of MFS impellers.Further challenges for semi-solid processing in manufacture of other complex components and other materials in automotive industry in terms of both cost and durability are also discussed.

关键词： aluminum alloys semi-solid moulding durability automotive complex component turbocharger compressor wheel

An overview of various control benchmarks with a focus on automotive control

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Control Theory and Technology 2019年第2期17卷 121-130页

作者： Lars ERIKSSON Vehicular Systems Department of Electrical EngineeringLinkoping UniversitySE-581 83 LinkopingSweden

There exists a gap between control theory and control practice,i.e.,all control methods suggested by researchers are not implemented in real systems and,on the other hand,many important in dustrial problems are not studied in the academic research.Benchmark problems can help close this gap and provide many opportunities for members in both the controls theory and application communities.The goal is to survey and give pointers to different general controls and modeling related benchmark problems that can serve as inspiration for future benchmarks and then specifically focus the benchmark coverage on automotive control engineering application.In the paper reflections are given on how different categories of benchmark designers,benchmark solvers and third part users can benefit from providing,solving,and studying benchmark problems.The paper also collects information about several benchmark problems and gives pointers to papers than give more detailed information about different problems that have been presented.

关键词： Benchmark automotive control robust control robotics engine control powertrain control system identification

automotive Innovation国际期刊免费阅读

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汽车工程 2019年第3期41卷 360-360页

automotive Innovation是中国汽车工程学会与Springer合作的一本全球发行的英文期刊,反映了汽车工程领域新的研究成果和技术进展。主要刊登关于汽车研究理论、方法和前沿科技等方面的学术论文,旨在打造面向全球汽车及其相关行业的工程... 详细信息

automotive Innovation是中国汽车工程学会与Springer合作的一本全球发行的英文期刊,反映了汽车工程领域新的研究成果和技术进展。主要刊登关于汽车研究理论、方法和前沿科技等方面的学术论文,旨在打造面向全球汽车及其相关行业的工程技术人员和科研人员的国际学术交流平台。在国内外业界的广大支持和认可下,目前已顺利出版5期,2019年第1期文章如下,其中斜体的中文题目为编辑译文,仅供参考。

关键词： automotive Innovation SUV

Tribological response of waste tire rubber as micro-fillers in automotive brake lining materials

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Friction 2020年第6期8卷 1153-1168页

作者： Anand PAI Sayikumar SUBRAMANIAN Tribhuvan SOOD Department of Aeronautical and Automobile Engineering Manipal Institute of TechnologyManipal Academy of Higher Education ManipalKarnataka 576104lIndia Cranfield University CranfieldMilton KeynesBedfordshire MK430ALUK

Elastomeric materials show promise as potential micro-fillers in brake linings.They can provide vibration damping and acoustic advantages in intermittent and abrupt impact applications such as braking.The elastomeric material can be salvaged from non-biodegradable automotive tires,thereby providing an opportunity to reuse materials that will otherwise be discarded in landfills.Both tribological and thermomechanical performances of the waste tire rubber were assessed to determine their potential for use as micro-fillers in the brake linings of commercial vehicles with a gross weight less than 16 tons.Accordingly,the brake lining materials were fabricated with fine waste tire rubber particulates(WTRPs)as the micro-fillers,phenolic-R resin as the binder,graphite as the dry lubricant,laterite as the co-filler,and coconut coir for natural fiber reinforcement.The effects of increasing the WTRP weight fraction on the brake response of the linings were analyzed,and the different compositions were benchmarked against a commercial brake lining.Mechanical characterization comprising compressive strength,hardness,density,and porosity studies were carried out.Frictional and wear characteristics of the linings were analyzed using a rotary tribometer with simultaneous thermal monitoring.The manufactured lining with 15 wt%WTRPs exhibited a mean friction coefficient of^0.38,a specific volumetric loss rate of 1,662μm3/(N?m),and improved thermal response.Using optical microscopy and scanning electron microscopy(SEM)with energy dispersive spectroscopy(EDS),wear surface morphology studies compared the relative development of primary and secondary plateaus and revealed the redistribution of wear debris,leading to the stability of the coefficient of friction.

关键词： automotive brakes elastomers graphite energy dispersive spectroscopy(EDS) scanning electron microscopy(SEM) wear mechanisms

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2014下半年车市预测及趋势展望

汽车与配件 2014年第31期 83-86页

作者：杨凯中国汽车技术研究中心

上半年整体汽车产销情况基本符合预期,预计下半年,随着乘用车新车投放的力度加强,乘用车将会有一个增长,商用车销量预计好于上半年,汽车出口仍然会低迷。另外汽车电商、汽车后市场、新能源汽车、车联网将会有一个蓬勃地发展。

关键词：乘用车产销情况商用车整车出口垂直网站 automotive passenger 整车制造商

A Development Report of an Accurate Method of Detecting Systematic Refrigerant Leak Rate for automotive Hvac Systems

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A Development Report of an Accurate Method of Detecting Syst...