Abstract
Strain measurement technology plays an irreplaceable role in measuring the force change characteristics of mechanical components and monitoring important engineering structures. In structural health monitoring, dynamic stress and strain testing is the main way to determine its overall fatigue, and excessive stress will seriously affect the strength of the structure, causing the structure to deform or even break, which will affect the reliability of the experiment and the use of workpieces, so it is of great significance to carry out dynamic stress and strain tests on the structure. Resistance strain measurement technology is widely used in the civil engineering industry, but the principles of modern physics technology are unknown to many practitioners. Data fusion technology or information fusion technology is also called multisensor fusion technology. Using computer technology to automatically analyze and integrate the data processing process of the detection data from multiple sensors according to time sequence and certain criteria, it can complete the required decision-making and judgment.
Highlights
With the development of economy and technology and the progress of science and technology, more and more cars, airplanes, and ships are connected to people’s daily life, and people have put forward higher requirements for their safety performance [1]
When the vehicle is running at various speeds and different road sections, the wheels are excited by the ground irregularly. is irregular random excitation causes irregular vibration of the body structure, that is, random vibration
In the research and implementation of modern engineering projects, strain measurement technology is an indispensable technology. It has a lot of potential for application and research. e strain value and its change law at various points on the structure are determined using the electrical measurement method, with a thorough understanding and grasp of the internal force distribution law and the stress situation of the body structure [2], as well as a finite element analysis and calculation of the structure. e strain value and change law at certain points on the structure are measured by the electrical measurement method in order to obtain the statistical characteristics of the stress and strain of the body structure, and the finite element analysis and body structure calculation are used to evaluate the strength of the body structure and propose a more reasonable solution
Summary
With the development of economy and technology and the progress of science and technology, more and more cars, airplanes, and ships are connected to people’s daily life, and people have put forward higher requirements for their safety performance [1]. Electrical measurement technology has developed rapidly due to its close integration with production practice It has achieved high scientific and technological achievements in the research of theory, detection components, measurement and recording devices, test components, technology, and methods in harsh environments. E measurement accuracy is high, the sensitivity is good, and the method is simple It has a wide range of applications and developments in the detection of building structures [7]. Is article will introduce a single-chip microcomputer acquisition and processing system for dynamic (stress) and strain measurement of body structure strength. It has the characteristics of low cost, simple hardware structure, high accuracy, and reliability
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