...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>The Journal of the Acoustical Society of America >Active structural acoustic control of an infinite ribbed plate under light fluid loading
【24h】

Active structural acoustic control of an infinite ribbed plate under light fluid loading

机译：轻载下无限肋板的主动结构声控制

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Active control can be applied to a vibrating structure to attenuate the acoustic radiation from the structure. In this paper, active structural acoustic control (ASAC) techniques are applied to a ribbed plate in order to minimize the structurally radiating sound fields. Using feedforward control strategies, multiple control forces are applied to the reinforcing beam. Modifying the structural response results in attenuation of the radiating sound fields. Cost functions are developed for the minimization of the far-field radiating sound pressure and far-field sound power. Optimization of the control system is achieved by using information on the structural coincidence conditions, and in determining the optimal error sensor location. Results demonstrate that significant reduction in the far-field sound pressure and sound power can be achieved in a large range away from the grazing angles. The effect of the control system on the structural response is also investigated.
机译：可以将主动控制应用于振动结构，以衰减来自该结构的声辐射。在本文中，主动结构声学控制（ASAC）技术应用于肋板，以最大程度地减少结构辐射声场。使用前馈控制策略，可以将多个控制力施加到加强梁上。修改结构响应会导致辐射声场的衰减。开发成本函数是为了最小化远场辐射声压和远场声功率。通过使用有关结构重合条件的信息并确定最佳误差传感器位置，可以实现控制系统的优化。结果表明，在远离掠射角的较大范围内，可以实现远场声压和声功率的显着降低。还研究了控制系统对结构响应的影响。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号