A self-validating digital Coriolis mass-flow meter: an overview

被引：68

作者：

Henry, MP

Clarke, DW

Archer, N

Bowles, J

Leahy, MJ

Liu, RP

Vignos, J

Zhou, FB

机构：

[1] Univ Oxford, Dept Engn Sci, Oxford OX1 3PJ, England

[2] Univ Limerick, PEI Technol, Limerick, Ireland

[3] Foxboro Co, Foxboro, MA 02035 USA

来源：

CONTROL ENGINEERING PRACTICE | 2000年 / 8卷 / 05期

基金：

英国工程与自然科学研究理事会;

关键词：

Coriolis mass-flow metering; sensor validation; non-linear control; intelligent sensors; field programmable gate arrays; hardware compilation;

D O I：

10.1016/S0967-0661(99)00177-X

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A new implementation of a Coriolis mass-flow meter transmitter is described. It is based on digital components, and has improved performance compared with the commercial, mostly analogue, transmitter using the same flowtube (transducer). Improvements are found in flowtube control, measurement precision, and performance with two-phase and partially-empty conditions, including hatching from empty. The new transmitter is viewed as a second-generation sensor validation (SEVA) demonstrator, in which experience from validating the commercial analogue transmitter has led to a redesign using digital technology. The resulting SEVA transmitter provides improved measurement performance and reduced vulnerability to fault conditions, as well as on-line estimates of measurement quality and fault compensation (Henry and Clarke, Control Engineering practice, 1 (4) (1993) 585-610). (C) 2000 Elsevier Science Ltd. All rights reserved.

引用

页码：487 / 506

页数：20

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