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Article
Publication date: 1 December 2017

Shaoyi Xu, Fangfang Xing, Ruilin Wang, Wei Li, Yuqiao Wang and Xianghui Wang

At present, one of the key equipment in pillar industries is a large rotating machinery. Conducting regular health monitoring is important for ensuring safe operation of…

Abstract

Purpose

At present, one of the key equipment in pillar industries is a large rotating machinery. Conducting regular health monitoring is important for ensuring safe operation of the large rotating machinery. Because vibrations sensors play an important role in the workings of the rotating machinery, measuring its vibration signal is an important task in health monitoring. This paper aims to present these.

Design/methodology/approach

In this work, the contact vibration sensor and the non-contact vibration sensor have been discussed. These sensors consist of two types: the electric vibration sensor and the optical fiber vibration sensor. Their applications in the large rotating machinery for the purpose of health monitoring are summarized, and their advantages and disadvantages are also presented.

Findings

Compared with the electric vibration sensor, the optical fiber vibration sensor of large rotating machinery has unique advantages in health monitoring, such as provision of immunity against electromagnetic interference, requirement of less insulation and provision of long-distance signal transmission.

Originality/value

Both contact vibration sensor and non-contact vibration sensor have been discussed. Among them, the electric vibration sensor and the optical fiber vibration sensor are compared. Future research direction of the vibration sensors is presented.

Details

Sensor Review, vol. 38 no. 1
Type: Research Article
ISSN: 0260-2288

Keywords

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Article
Publication date: 11 November 2020

Feng Wang, Fangfang Zhang, Qixiang Huang and Mohammad Salmani

The purpose of this paper is to propose a method with capability of short-time implementation.

Abstract

Purpose

The purpose of this paper is to propose a method with capability of short-time implementation.

Design/methodology/approach

This paper was directed using both experimental tests and simulations to propose a comprehensive method for lifetime estimation of the solder joints.

Findings

A new method with good agreement with experimental tests has been proposed.

Originality/value

It is confirmed that paper is original.

Details

Soldering & Surface Mount Technology, vol. 33 no. 3
Type: Research Article
ISSN: 0954-0911

Keywords

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