Abstract
With the rapid advancement of virtual instrument technology, converting the data measurement and control platform to a virtual one has become fashionable. This study focuses on dynamic measurement in order to create a multichannel parallel dynamic testing virtual instrument and then test the instrument’s performance. System login, user management, database storage, query and compression, data processing and real-time display, multifunctional analysis, remote access, and report generation modules have all been designed and implemented. A dynamic measurement uncertainty evaluation method based on quasi-Monte Carlo (MC) method is proposed in light of the common phenomenon that static is used instead of dynamic in the current evaluation process of dynamic measurement uncertainty. For this example, the actual results show that the algorithm produces very reliable and stable calculation results.
Highlights
With the rapid development of science and technology, the dynamic performance test of large-scale complex structures in operation shows a far-reaching application prospect and will have a significant impact on the development of national economy [1, 2]
More and more users are eager to build a data acquisition and processing system on the virtual instrument platform in order to solve this set of problems [4, 5]. e dynamic measurement method is used to monitor the machine’s parameter change during operation, and signal analysis and processing technology is used to extract the characteristic information of the system parameter change from the vibration and noise in order to judge the nature of dynamic data, monitor, predict, and diagnose the working process and the state of the system in order to achieve the goal of preventing failure [6]
Virtual instrument is a hot spot in the field of measurement and control at present, and it represents the development direction of instrument technology in the future, through the use of virtual instrument technology and the purchase of necessary data acquisition hardware to build their own virtual instrument system. is can meet
Summary
With the rapid development of science and technology, the dynamic performance test of large-scale complex structures in operation shows a far-reaching application prospect and will have a significant impact on the development of national economy [1, 2]. E traditional stand-alone instrument cannot meet the requirements of large quantity and high-quality information collection, so a computercontrolled measurement and control system are produced to transmit information. It can be seen that another basic feature of the dynamic measurement data is that it contains both deterministic change parts and random change parts, that is, it is always a random function of the test time, that is, a random process that can be called randomness [7]. Modern dynamic measurement technology [9, 10] is a technical discipline that studies dynamic signal acquisition, transformation, transmission, and real-time processing using modern science and technology. Virtual dynamic measuring instruments are rapidly developing due to their highcost performance, high reliability, and flexibility of dynamic addition of functions. Virtual dynamic measuring instruments are rapidly developing due to their highcost performance, high reliability, and flexibility of dynamic addition of functions. is study’s main goal is to design a multichannel parallel dynamic test virtual instrument based on dynamic measurements
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