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THE USE OF INTELLIGENT MATERIAL SYSTEMSIN ADVANCED AUTOMOTIVE DESIGN

机译：智能材料系统在先进汽车设计中的使用

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Smart structure technology or adaptronics enables new and innovative approaches to optimisernengineered structures with increased functionality in all fields of mechanical engineering.rnBasically, an increased functionality can be achieved by embedding sensors and actuators in load-carryingrnstructures combined with advanced control strategies. Over the last decades, these smartrnstructures are mostly applied to noise and vibration control in high-cost light weight componentsrnwhere nowadays more and more light weight mass products such as automotives have to bernconsidered. But particular light weight design in automotives is facing contradicting requirementsrnsuch as safety, comfort and weight which cannot be overcome with conventional design rules. Arnreasonable balance between safety, weight and comfort has nowadays to be met by electronicallyrnmeans, active systems or new materials. But future even stricter legislations and higher demandsrnfor safety and comfort do need the introduction of smart structures and multifunctional materialrnsystems allowing. Particular noise, either from the vehicle radiated noise or vehicle interior noisernwill be one of the most challenging specifications for light weight vehicles only are met by activernnoise reduction concepts.rnAs underlying principle for noise reduction concepts, Active Structural Acoustic Control (ASAC)rnis primarily being considered. Applying ASAC concepts, the noise radiation is controlled eitherrnby controlling the structural vibration of the radiating structure or by interrupting the structurernborne sound path. Beside the challenges in designing a suitable control strategy, special focus hasrnto be given to intelligent material systems as construction material or to high performing actuatorrnsystems which can be integrated in the vehicle body and capable of withstanding high and harshrnoperational loads. An example of the latter is the smart interface as a generic element which isrncurrently being developed at the Fraunhofer Institute LBF. Various aspects of this smart interfacernas well as selected applications will be discussed. Further the application of intelligent materialrnsystem for actively enhancing the crashworthiness will be addressed. The applications are takenrnfrom the European Integrated Project InMAR “Intelligent Materials for Active Noise Reduction”rnwhich deals with the development of active systems for mass production such as automotives,rntrains and infrastructure and the Integrated Project APROSYS “Advanced Protection Systems”rndealing with crashworthiness of modern automotives.
机译：智能结构技术或Adaptronics可以在机械工程的所有领域中通过增加功能来实现创新的优化工程结构的方法。基本上，可以通过将传感器和执行器嵌入到承载结构中并结合先进的控制策略来实现增强的功能。在过去的几十年中，这些智能结构主要用于成本高，重量轻的组件的噪声和振动控制中，而如今，越来越多的重量轻的大批量产品（如汽车）必须被考虑在内。但是，汽车中特殊的轻量化设计面临着诸如安全性，舒适性和重量之类的矛盾要求，而常规设计规则无法克服这些要求。如今，电子，主动系统或新材料必须在安全性，重量和舒适性之间取得合理的平衡。但是，未来甚至更严格的法规和对安全性和舒适性的更高要求确实需要引入允许的智能结构和多功能材料系统。来自汽车辐射噪声或汽车内部噪声的特殊噪声将成为轻型车辆最具挑战性的规范之一，只有主动降噪概念才能满足。作为降噪概念的基本原理，主动结构声控制（ASAC）主要是考虑过的。应用ASAC概念，可以通过控制辐射结构的结构振动或中断结构的声路来控制噪声辐射。除了设计合适的控制策略所面临的挑战之外，还必须特别关注作为建筑材料的智能材料系统或可以集成在车身中并能够承受高负荷和苛刻运行负荷的高性能执行器系统。后者的一个示例是作为通用元素的智能接口，这是弗劳恩霍夫研究所LBF当前正在开发的。将讨论此智能界面以及所选应用程序的各个方面。进一步地，将讨论智能材料系统在积极增强耐撞性方面的应用。这些应用程序来自欧洲综合项目InMAR“用于主动降噪的智能材料”，该项目致力于开发大规模生产的主动系统，例如汽车，火车和基础设施，以及集成项目APROSYS“高级保护系统”，以应对现代碰撞问题汽车。

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  • 会议地点 San Sebastian(ES);San Sebastian(ES)
  • 作者

    Th. Bein; S. Herold; D. Mayer; T. Melz; B. Seipel;

  • 作者单位

    Fraunhofer Institute for Structural Durability System Reliability LBFrn64289 Darmstadt, Germany;

    Fraunhofer Institute for Structural Durability System Reliability LBFrn64289 Darmstadt, Germany;

    Fraunhofer Institute for Structural Durability System Reliability LBFrn64289 Darmstadt, Germany;

    Fraunhofer Institute for Structural Durability System Reliability LBFrn64289 Darmstadt, Germany;

    Fraunhofer Institute for Structural Durability System Reliability LBFrn64289 Darmstadt, Germany;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 交通运输经济;
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