西门子6ES7141-3BF00-0XA0 减速箱

工业数据采集类型

互联网的数据主要来自于互联网用户和服务器等网络设备，主要是大量的文本数据、社交数据以及多媒体数据等，而工业数据主要来源于机器设备数据、工业信息化数据和产业链相关数据。

从数据采集的类型上看，不仅要涵盖基础的数据，还将逐步包括半结构化的用户行为数据，网状的社交关系数据，文本或音频类型的用户意见和反馈数据，设备和传感器采集的周期性数据，网络爬虫获取的互联网数据，以及未来越来越多有潜在意义的各类数据。主要包括以下几种：

海量的Key-Value数据

在传感器技术飞速发展的，包括光电、热敏、气敏、力敏、磁敏、声敏、湿敏等不同类别的工业传感器在现场得到了大量应用，而且很多时候机器设备的数据大概要到ms的精度才能分析海量的工业数据，因此，这部分数据的特点是每条数据内容很少，但是频率

数据采集的方法

传统的数据采集方法包括人工录入、调查问卷、随访等方式，大数据时代到来后，一个的变化是数据采集的方法有了质的飞跃，下面所介绍的数据采集方式的突破直接改变着大数据应用的场景。

1、传感器

传感器是一种检测装置，能感受到被测量的信息，并能将检测感受到的信息，按规律变换成为电信号或其他所需形式的信息输出，以满足信息的传输、处理、存储、显示、记录和控制等要求。在生产车间中一般存在许多的传感节点，24小时监控着整个生产过程，当发现异常时可迅速反馈至上位机，可以算得上是数据采集的感官接受系统，属于数据采集的底层环节。

传感器在采集数据的过程中主要特性是其输入与输出的关系。

其静态特性反映了传感器在被测量各个值处于稳定状态时的输入和输出关系，这意味着当输入为常量，或变化慢时，这一关系就称为静态特性。我们总是希望传感器的输入与输出成唯一的对照关系，好是线性关系。

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