The new current loop: NASA's successor to the Wheatstone bridge

被引：1
|
作者：
Anderson, KF [1 ]
机构：
[1] Valid Measurements, Lancaster, CA 93536 USA
来源：
ISA TRANSACTIONS | 1997年 / 36卷 / 04期
关键词：
signal conditioning; transducer; strain gage; RTD; thermocouple; temperature; measurement circuit;
D O I：
10.1016/S0019-0578(97)87520-9
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
NASA's new Anderson loop analog measurement circuit topology significantly outperforms the classic Wheatstone bridge in many measurement and control applications. Using active subtraction as the key enabling technology, the Anderson loop can provide greater accuracy with less excitation than the Wheatstone bridge and accomplish additional measurement functions. The limitations of the Wheatstone bridge are recalled and the fundamentals of Anderson loop theory are presented. (C) 1998 Elsevier Science Ltd.
引用
收藏
页码：351 / 356
页数：6
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