作为电力控制系统传感元件的超声波流量计的静力学和动力学

Proceedings of the 2001 IEEE International Conference on Control Applications (CCA'01) (Cat. No.01CH37204) Pub Date : 2001-09-05 DOI:10.1109/CCA.2001.973946

V. Hamidullin, R. Malakhanov, E. Khamidoullina

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引用次数: 7

摘要

本文的工作旨在为设计高精度的过程控制超声波流量计奠定科学基础。最困难和最基本的问题之一是确保在脉动、脉冲或快速(瞬态)流动条件下，在整个管道横截面的宽动态范围内，流型完全集成。介绍了采用不同形状的换能器解决这一问题的方法，以及这些换能器和测量系统的数学动力学模型。对于矩形和环形换能器的流量计，测量误差为0.5%。响应时间为0.02秒。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Statics and dynamics of ultrasonic flowmeters as sensing elements for power control systems

The work described herein is devoted to forming the scientific bases of designing ultrasonic flowmeters with high accuracy for process control. One of the most difficult and basic problems is to make sure that the flow profile is integrated fully over a wide dynamic range throughout the cross section of the pipe under conditions of pulsating, impulse or fast acting (transient) flows. Methods of solving this problem by using different shaped transducers and the mathematical dynamic models of these transducers and the measurement system are described. For the flowmeters with rectangular and ring shaped transducers measured inaccuracy was 0.5 %. The response time was 0.02 sec.

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Proceedings of the 2001 IEEE International Conference on Control Applications (CCA'01) (Cat. No.01CH37204)

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