Analysis and Thoughts on Application of Optical Fibre Sensing in Manufacturing

Abstract：Intelligent manufacturing (IM) is the latest trend of manufacturing field, and it is an intelligent system integrating intelligent machines and human experts.It has the characteristics of perception, decision-making, execution, learning, and interconnection, and is the integration and deep fusion of advanced manufacturing technology, information technology and artificial intelligence technology, in which new sensing technology is the basis for realizing intelligence.New sensing technology provides reliable data for evolutionary design of products, manufacturing process optimization, product quality and equipment operation status monitoring, and predictive maintenance of equipment, and thus has a fundamental position in IM.The applications of the new type optical fibre sensing in discrete manufacturing, flow manufacturing, and major and high-end equipment are reviewed.The characteristics and advantages of optical fibre sensing technology in manufacturing, the role optical fibre sensing in promoting IM, and the relationship between optical fibre sensing and digital twins are analyzed.Based on this, a series of scientific problems and the application guidelines of optical fibre sensing technology in manufacturing are put forward, and the trend that optical fibre sensing technology will develop towards standardization, intelligence, and networking is pointed out.Moreover, it is pointed out that for a long time, researches on basic optical fibre sensing devices, application research for extreme manufacturing environments and high-end equipment, as well as precision, miniaturization, and integration as a CPS are the mainstream of research on optical fibre sensing technology in manufacturing.