UNIDEMI, Department of Mechanical and Industrial Engineering, NOVA School of Science and Technology, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal.
Laboratório Associado de Sistemas Inteligentes, LASI, 4800-058 Guimarães, Portugal.
Sensors (Basel). 2022 Oct 30;22(21):8320. doi: 10.3390/s22218320.
Sensing Technology (ST) plays a key role in Structural Health-Monitoring (SHM) systems. ST focuses on developing sensors, sensory systems, or smart materials that monitor a wide variety of materials' properties aiming to create smart structures and smart materials, using Embedded Sensors (ESs), and enabling continuous and permanent measurements of their structural integrity. The integration of ESs is limited to the processing technology used to embed the sensor due to its high-temperature sensitivity and the possibility of damage during its insertion into the structure. In addition, the technological process selection is dependent on the base material's composition, which comprises either metallic or composite parts. The selection of smart sensors or the technology underlying them is fundamental to the monitoring mode. This paper presents a critical review of the fundaments and applications of sensing technologies for SHM systems employing ESs, focusing on their actual developments and innovation, as well as analysing the challenges that these technologies present, in order to build a path that allows for a connected world through distributed measurement systems.
传感技术（ST）在结构健康监测（SHM）系统中起着关键作用。ST 专注于开发传感器、传感系统或智能材料，以监测各种材料的性能，旨在利用嵌入式传感器（ESs）创建智能结构和智能材料，并对其结构完整性进行连续和永久的测量。由于 ESs 对温度敏感，并且在插入结构时有可能损坏，因此其集成受到用于嵌入传感器的处理技术的限制。此外，工艺过程的选择取决于包含金属或复合材料部件的基础材料的组成。智能传感器或其基础技术的选择对于监测模式至关重要。本文对采用 ESs 的 SHM 系统的传感技术的基础和应用进行了批判性回顾，重点关注它们的实际发展和创新，以及分析这些技术所面临的挑战，以建立一条通过分布式测量系统实现互联世界的道路。
