Abstract
Structural Health Monitoring (SHM) systems are used to monitor critical infrastructure, such as bridges, high-rise buildings, and stadiums, and it has been observed that SHM has the potential to both prolong the structure lifespan and to improve public safety. Within SHM studies and in the research on monitoring in general, the application of wireless sensors (WS) has recently gained considerable research interest due to the cost reduction, associated with the installation and maintenance of monitoring systems. However, despite the advances in the research on WS, there are several issues and challenges in the application of WS that require improvements, in particular for Outdoor Environment Monitoring (OEM) because of their harsh operational conditions, huge targeted areas and limited energy budgets. This paper presents a low-cost, battery-powered, efficient wireless intelligent sensor (LEWIS2) that stores acceleration and angular velocity on a memory card to accurately estimate the trajectory of different applications.
Highlights
This paper presents the design of a low-cost, batterypowered efficient wireless sensors (WS) (LEWIS2), which can be used for outdoor applications to measure in real time angular velocity and acceleration, which are important parameters in many applications
We present the structure of LEWIS2 and provides recommendations of specific components that could be used for LEWIS2 on the basis of their characteristics and availability on the market
This paper has introduced a low-cost, battery-powered, efficient wireless intelligent sensor called LEWIS2
Summary
WS have been widely used in a variety of applications concerned with water monitoring [1,2,3], forest monitoring [4, 5], industrial monitoring [6, 7], aerospace monitoring, agriculture monitoring [8, 9], battlefield surveillance [10, 11], intelligent transportation [12, 13], smart homes [14, 15], animal behavior monitoring [16, 17], and disaster prevention [18, 19]. Outdoor environment monitoring (OEM) is of principal importance in civil engineering for the purpose of both protecting human life and avoiding economic loss due to structural disasters. With the increased demand for sensor systems, the application of WS has recently gained considerable attention due to their cost reduction advantages and the possibility of performing high-density installation, which targets local damage and provides more detailed and reliable information about the dynamic properties of the structures. This paper presents the design of a low-cost, batterypowered efficient WS (LEWIS2), which can be used for outdoor applications to measure in real time angular velocity and acceleration, which are important parameters in many applications. This paper contributes to OEM capabilities for multiple field environments and structural responses of diverse infrastructures with low-cost, efficient wireless intelligent sensors. We present the structure of LEWIS2 and provides recommendations of specific components that could be used for LEWIS2 on the basis of their characteristics and availability on the market
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