G - Physics – 01 – D
Patent
G - Physics
01
D
354/21
G01D 18/00 (2006.01) G01K 7/00 (2006.01) G01R 15/24 (2006.01) G01R 29/00 (2006.01)
Patent
CA 1205196
MEASUREMENT SYSTEM OF ENHANCED RELIABILITY ABSTRACT OF THE DISCLOSURE As a means to enhance the reliability of a measurement system and render the measurement system tolerant of failure, the method which comprises tripling the component elements of the measurement system, for example, providing three thermo- meters to measure one and the same temperature and selecting a correct measured value by the logic of decision by majority has found popular recognition in the art. This method, however, entails many problems such as increased cost, increased weight, and increased volume because it necessitates the component elements thereof to be tripled. This invention, owing to the addition to the measure- ment system of a check signal generator adapted to produce a check signal which is the linear combination of functional values of physical quantities under measurement, enables the measurement system to materialized detection of failure, identification of the site of failure, and recovery of a correct measured value by feeding the produced check signal in parallel with the former measured values into a computer and causing the computer to perform prescribed arithmetic operations by using the check signal and the measured value. Thus, the invention enables the measurement system to acquire enhanced reliability of performance and improved tolerance against failure by the incorporation of de- cisively few redundant component elements as compared with the conventional method which necessitates the component elements to be tripled.
433291
Nippon Business Consultant Co. Ltd.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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