KR20130045965A

KR20130045965A - The faulty sensor detecting method by using the various values

Info

Publication number: KR20130045965A
Application number: KR1020110110226A
Authority: KR
Inventors: 조용윤; 김태형
Original assignee: 순천대학교 산학협력단
Priority date: 2011-10-27
Filing date: 2011-10-27
Publication date: 2013-05-07

Abstract

PURPOSE: A method for detecting a sensor value error by applying a variable value is provided to prevent time waste, to reduce costs, and to improve power efficiency. CONSTITUTION: A method for detecting a sensor value error by applying a variable value is as follows. When fixed measurement value is input, whether the malfunction of the sensor is existed or not is confirmed by applying a different variable value. The variable value is a measured vale or a different value. If the post measurement value of the sensor is identical to the prior measurement value, the malfunction of the senor is not existed. If the measurement value is identical to the variable value, the malfunction of the sensor is existed. When the sensor value error is confirmed, error information is transmitted to a sensor value receiving unit. [Reference numerals] (A) Measurement value; (A') Prior measurement value; (AA) Start; (BB) End; (CC) Error; (I,J) Branch value; (R) Variable value; (X) Number of times of detecting the same value

Description

{The faulty sensor detecting method by using the various values.}

The present invention relates to a system configuration method capable of detecting itself in error in the measured value of the sensors in all USN or WSN environments in which the sensors are used.

The ongoing development of the USN or WSN technology industry has created problems with the management of numerous sensors used. These problems are largely in a state where the measured value due to the system down state of the sensor itself and the failure of the measuring unit is fixed. In particular, the agricultural IT convergence industry, which is difficult to maintain regularly, is currently trying to solve the detection of sensor error by using various methods, but it can incur additional cost and additional power consumption by using complicated processor. There is a disadvantage. Thus, there is a need for a method that can detect sensor errors while minimizing additional cost and power consumption.

The present invention proposes a new technique to the existing sensor error measuring method, more specifically, by changing the measured value of the sensor to another variable value to measure the difference between the measured value and the variable value over time and finally the measured value of the sensor You will be able to verify that it is the correct value.

To this end, in the variable value application error detection system according to the present invention, if the measured value of the sensor is equal to or more than a certain number of times, the sensor may have a problem, so that an arbitrary value having a large difference from the measured value is substituted for the measured value. Continue. Then, if the measured value is also measured equal to any applied value, it can be determined that an error occurred in the sensor measurement.

Recently, with the development of IT convergence technology, the U-IT industry is rapidly growing in various fields. However, there are technologies that are still developing and that many can change more efficiently. Application of the present invention in the error detection method of the sensor can be expected to reduce the waste of time and cost than the current methods and high power efficiency.

1 is a flowchart illustrating an operation algorithm of a sensor value error detection method using a variable value according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail a plant temperature measuring system and method according to an embodiment of the present invention.

In describing the present invention as a new method for measuring the temperature of the plant, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

1 shows that a sensor node according to the operating algorithm of the present invention has its own error detection capability and starts measuring. The error can be detected by checking the measured value A of the sensor. If the value of A is the same as the previous measured value A ', and the predetermined value more than (X), the variable value R is substituted into the measured value. The variable value R should not be the same as the current measured value and the difference must be large, and the branch activity value X can be changed according to the possibility of measuring the same value for each sensor, and the J value can confirm whether the variable value is applied. Even if the measured value is checked later, if the same value as the R value is output, the sensor error is output and the measurement is terminated.

While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. This is possible.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined not only by the claims below but also by the equivalents of the claims.

Claims

A method of detecting an error of a sensor measurement value, wherein when a fixed measurement value is received, another variable value is applied to check whether there is an error in the sensor measurement.

The method of claim 1, wherein the variable value is different from the measured value, and since there is no abnormality when the measured value of the sensor is the same as the previous measured value, an error occurs in the measurement when the same value as the variable value is measured. Error detection method, characterized in that it can be determined.

The error detection method according to claim 2, wherein when the error of the sensor value is determined, the error information is transmitted to the receiver of the sensor value.