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An Intelligent Sensor Array Distributed System for Vibration Analysis and Acoustic Noise Characterization of a Linear Switched Reluctance Actuator

机译:用于线性开关磁阻致动器的振动分析和声噪声表征的智能传感器阵列分布式系统

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摘要

This paper proposes a distributed system for analysis and monitoring (DSAM) of vibrations and acoustic noise, which consists of an array of intelligent modules, sensor modules, communication bus and a host PC acting as data center. The main advantages of the DSAM are its modularity, scalability, and flexibility for use of different type of sensors/transducers, with analog or digital outputs, and for signals of different nature. Its final cost is also significantly lower than other available commercial solutions. The system is reconfigurable, can operate either with synchronous or asynchronous modes, with programmable sampling frequencies, 8-bit or 12-bit resolution and a memory buffer of 15 kbyte. It allows real-time data-acquisition for signals of different nature, in applications that require a large number of sensors, thus it is suited for monitoring of vibrations in Linear Switched Reluctance Actuators (LSRAs). The acquired data allows the full characterization of the LSRA in terms of its response to vibrations of structural origins, and the vibrations and acoustic noise emitted under normal operation. The DSAM can also be used for electrical machine condition monitoring, machine fault diagnosis, structural characterization and monitoring, among other applications.
机译:本文提出了一种用于振动和噪声分析和监控(DSAM)的分布式系统,该系统由一系列智能模块,传感器模块,通信总线和作为数据中心的主机PC组成。 DSAM的主要优点是其模块化,可扩展性和灵活性,可用于具有模拟或数字输出的不同类型的传感器/传感器,以及用于不同性质的信号。其最终成本也大大低于其他可用的商业解决方案。该系统是可重配置的,可以在同步或异步模式下运行,具有可编程的采样频率,8位或12位分辨率和15 KB的存储缓冲区。在需要大量传感器的应用中,它允许实时采集不同性质的信号,因此适合监视线性开关磁阻执行器(LSRA)中的振动。所获取的数据可以根据LSRA对结构起源的振动以及正常运行下发出的振动和声噪声的响应来全面表征LSRA。 DSAM还可以用于电机状态监控,电机故障诊断,结构表征和监控以及其他应用。

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