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Design Framework for Vibration Monitoring Systems for Helicopter Rotor Blade Monitoring Using Wireless Sensor Networks

机译:基于无线传感器网络的直升机旋翼叶片振动监测系统设计框架

摘要

The pursue of methods for supporting Structural Health Monitoring (SHM) has been an important driver for the technological innovation in several engineering fields such as wireless communication, sensing and power harvesting. However, despite of the innovative and scientific value of these advances, the adoption of SHM and associated technologies by industry has not occurred at the expected pace. One of the possible reasons for this is the lack of a systematic design process for condition monitoring systems tailored to actual mechanical systems. This paper proposes a design framework for a vibration monitoring system that integrates the predictive maintenance needs with the technological developments on SHM methods and related technologies.udThe framework involves three stages. The first stage corresponds to the identification of the characterization of the system function and its failure and the expected function of the monitoring system. The next stage aims at decomposing the vibration signal according to the dynamic behavior of the system and associated failure. The last stage corresponds to the technological implementation of the vibration monitoring system. To illustrate the applicability of this framework a case study on the development of a vibration monitoring system for helicopter rotor blades by using an autonomous sensor network is presented.
机译:寻求支持结构健康监测(SHM)的方法已成为无线通信,传感和功率收集等多个工程领域中技术创新的重要推动力。但是,尽管这些进步具有创新性和科学价值,但业界并未以预期的速度采用SHM和相关技术。造成这种情况的可能原因之一是缺乏针对实际机械系统量身定制的状态监测系统的系统设计过程。本文提出了一种振动监测系统的设计框架,该框架将预测性维护需求与SHM方法和相关技术的技术发展相结合。 ud该框架包括三个阶段。第一阶段对应于识别系统功能及其故障的特征以及监视系统的预期功能。下一阶段旨在根据系统的动态行为和相关故障分解振动信号。最后阶段对应于振动监测系统的技术实施。为了说明该框架的适用性,提出了使用自主传感器网络开发直升机旋翼振动监测系统的案例研究。

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