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A self-diagnosis method for environmental monitoring node faults

A technology for monitoring nodes and fault self-inspection, applied in digital transmission systems, data exchange networks, electrical components, etc., can solve problems such as high hardware requirements, large amount of calculation, unsuitable monitoring, etc., to achieve fault resolution, accurate faults, and prevention The effect of the node failure problem

Active Publication Date: 2019-03-29
SUZHOU XUANHE IOT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Although this method can solve the fault diagnosis and ensure the stability of the system, the calculation amount of this method is particularly large, and the requirements for hardware are relatively high, so it is not suitable for monitoring in some simple environments

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] In this embodiment, a closed environment of 40 square meters is selected as the monitoring site, and 15 monitoring nodes are evenly set at the monitoring site, and each monitoring node is provided with a temperature sensor 001 and a humidity sensor 002. Taking the temperature sensor as an example, at the current time T, The temperature detected by the temperature sensor in monitoring node A is 20°C. At the last time T-1, the temperature detected by the temperature sensor in monitoring node A is 11°C. The temperature error at these two moments is 9°C. The first error threshold is 5°C, and the temperature error at this time is greater than the first error threshold, the monitoring node A performs fault self-inspection, generates a fault file F=A{001, T, 20°C}, sends the fault file to the control platform, and controls If the platform does not find the fault file with the sensor type 001 within the time period [T-5, T+5], then there is a fault in the monitoring node A, and ...

Embodiment 2

[0037] In this embodiment, a closed environment of 40 square meters is selected as the monitoring site, and 15 monitoring nodes are evenly set at the monitoring site, and each monitoring node is provided with a temperature sensor 001 and a humidity sensor 002. Taking the temperature sensor as an example, at the current time T, The temperature detected by the temperature sensor in monitoring node A is 20°C. At the last time T-1, the temperature detected by the temperature sensor in monitoring node A is 11°C. The temperature error at these two moments is 9°C. The first error threshold is 5°C, and the temperature error at this time is greater than the first error threshold, the monitoring node A performs fault self-inspection, generates a fault file F=A{001, T, 20°C}, sends the fault file to the control platform, and controls The platform finds a fault file with sensor type 001 within the time period [T-5, T+5], F1=B{001, T+1, 18°C}, and the temperature error between F and F1 faul...

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Abstract

The invention discloses a self fault-checking method for environment monitoring nodes. The detection data of the current moment are compared with those of the last moment. When the error of the data is great, a node conducts self fault-checking to effectively prevent node fault, uploading of error data and influence on environment monitoring. When the node detects fault, a control platform analyzes fault of other nodes to determine the type of the fault so as to accurately solve the fault.

Description

technical field [0001] The invention belongs to the field of node fault detection, in particular to a self-diagnosis method for environmental monitoring node faults. Background technique [0002] In order to effectively monitor the environment and achieve the required physical environment indoors, various means are often used to achieve it. The most common way is to deploy a monitoring node composed of several sensors in the monitoring environment, detect environmental data through the sensors in the monitoring node, and send the detected environmental data to the control platform, and monitor whether the indoor environment meets the requirements through the control platform. [0003] Application number: 201510702970.0, providing a personalized indoor environment monitoring system and indoor environment monitoring device technical field. The monitoring system includes several wireless sensor groups, several routers, a network coordinator, a control terminal and a feedback c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/26H04L12/24H04L29/08
CPCH04L41/064H04L43/0823H04L43/16H04L67/12
Inventor 张瑜陈黛文
Owner SUZHOU XUANHE IOT TECH
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