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Laboratory remote monitoring system

A remote monitoring system and monitoring system technology, applied in transmission systems, emergency protection circuit devices for limiting overcurrent/overvoltage, electrical components, etc. , the monitoring data is not encrypted, etc.

Active Publication Date: 2019-12-03
北京戴纳实验科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention discloses a laboratory remote monitoring system, which is used to solve the difficulty of real-time transmission of various data in the laboratory, the inability to realize the remote monitoring shared by the whole network, and there is a huge risk that the monitoring data is not encrypted. The problem

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0075] Such as figure 1 A laboratory remote monitoring system shown includes a laboratory monitoring system, a web embedded node system and a communication system, and the laboratory monitoring system transmits the monitored information to a remote terminal through the communication system, and the remote terminal will The received monitoring information is transmitted to the web server through the web embedded node system to realize online information sharing and remote whole network control; the communication system includes a communication optimization algorithm and a communication security algorithm; Registration service.

[0076] The web server includes the following operations:

[0077] S1: Written in C++ language, its source code is portable;

[0078] S2: Utilize CPU resources;

[0079] S3: optimize the SQL algorithm;

[0080] S4: Provide TCP / IP, ODBC database connection methods;

[0081] S5: Effectively store data information.

[0082] The web embedded node syste...

Embodiment 2

[0085] The present embodiment discloses that in the communication security algorithm, given Chebyshev mapping τ(x)=cos( μ cos -1 (x))

[0086] Where x is the orbital value of communication data, satisfying x∈I=[-1,1], I is an integer; defining the real orbital value of communication data as:

[0087] |x|=0,B 1 (x),B 2 (x)...B i (x); B i (x)∈{0,1}

[0088] its i-th bit B i (x) can be expressed as:

[0089]

[0090] where Θ i (x) is the threshold function, defined as:

[0091]

[0092] It can be concluded The masking of the communication encryption algorithm breaks the fixed relationship between the symbol sequence of the information to be transmitted and the mapping sub-intervals.

[0093] In the communication security algorithm, the information to be transmitted σ n represented as a binary sequence {s i},details as follows:

[0094]

[0095] use pair sequence {s i} for masking, ie mask m i for

[0096] where B i is a sequence of only one bit.

...

Embodiment 3

[0110] In this embodiment, in the communication optimization algorithm, the data transmission rate C is defined j for

[0111]

[0112] Among them, l∈U, U represents the set of users who need a data packet j, k is the selected sender; g kl is the channel gain, and the transmit power is p d and p c, the interference is Inf, N 0 is the Gaussian white noise spectral density, and B is the channel loan.

[0113] According to Neigh j The set of U selects the best relay node, and the transmission rate is obtained as:

[0114]

[0115] where l ∈ Neigh j ∪U is the set of neighbor nodes that can provide data packet j for the target node.

[0116] This embodiment image 3 The transmission rate CDF curves corresponding to different algorithms are shown. Among them, the cooperative algorithm based on relay forwarding is significantly better than the D2D multicast algorithm transmission. This method has similar system throughput to the D2D multicast algorithm using the relay t...

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Abstract

The invention relates to the technical field of remote monitoring, in particular to a laboratory remote monitoring system. According to the laboratory monitoring system, monitored information is transmitted to the remote end through the communication system, the remote end transmits the received monitoring information to the web server through the web embedded node system, and online information sharing remote whole-network control is achieved; the communication system comprises a communication optimization algorithm and a communication security algorithm; the web embedded node system performsregistration service of the web server through scheduling operation. According to the invention, the web server provides information for a remote user; a remote user downloads a page of a web serverby using a web browser so as to observe the real-time operation condition of the equipment, modifies the variables and completes a monitoring task of the laboratory field equipment, an optimization algorithm and an encryption algorithm are carried out in the communication process so as to improve the safety and the communication efficiency of the communication process, and the creativity is very high.

Description

technical field [0001] The invention relates to the technical field of remote monitoring, in particular to a laboratory remote monitoring system. Background technique [0002] Remote monitoring can be literally divided into two parts, "monitoring" and "controlling". Among them, "monitoring" refers to obtaining information through the network; while "controlling" refers to the method of operating remote computers through the network. The computer performs operations such as restarting and shutting down, and also includes the work of performing daily settings on the remote computer. [0003] Internet technology has gradually affected and changed people's lives in recent years, and network technology has attracted more and more attention. Especially in industrial control, developers have gradually introduced network technology into industrial control equipment. At the same time, Web The technology is very favored by users and has been widely recognized and applied. It is based...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L29/06H02H9/04
CPCH02H9/04H04L63/0428H04L63/12H04L67/025
Inventor 邢希学
Owner 北京戴纳实验科技有限公司
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