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Anti-theft flow device control system and method

A flow device and control system technology, applied in the transmission system, electrical components, etc., can solve the problems that the software development platform cannot prevent theft and cannot be used normally

Active Publication Date: 2020-03-31
辽宁省计量科学研究院
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Problems solved by technology

[0004] In order to solve the current situation that the software development platform of the automatic control system in the flow rate and flow rate standard device cannot be prevented from being stolen, the present invention proposes an anti-theft flow device control system and method, aiming at realizing that the software development platform of the control system can be used in other control systems after the software development platform is stolen. The system cannot be used normally, providing a novel and reliable solution for protecting the intellectual property rights of the automation control system development company

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Embodiment Construction

[0038] In order to make the object, technical solution and advantages of the present invention clearer, the specific structure, principle and working process of the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0039] Without loss of generality, set the data transmission baud rate value between the communication interface 11 under the control of the data link encryption / decryption module 83 and the encryption / decryption device 5 to be the data transmission baud rate of the controller 3 preset in the control software 81 3 times the rate value, the number of data bits is 8, the encryption method of the data bits is to rotate the data bits to the left by 1 bit, the position of the check bit is between the 4th and 5th bits of the data bit, the logic of the check bit calculation The operation method is XOR, and the key sequence is 87654321. The specific calculation method of the...

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Abstract

The invention belongs to the technical field of automatic control, and relates to an anti-theft flow device control system and method. The system comprises an upper computer, an encryption / decryptiondevice, a controller, an execution mechanism group, a bus A, a bus B, a bus C and a software system, the software system comprises control software, a function module and a data link encryption / decryption module, and a user can only edit the control software and call the function module and cannot edit the data link encryption / decryption module. Encryption modes of the data link encryption / decryption module and the encryption / decryption device comprise an encryption baud rate, an encryption data frame format and an encryption data transmission protocol. The system can prevent software developers of a flow standard device control system development company from embezzling the control system and protect intellectual properties of the flow standard device control system development company.

Description

technical field [0001] The invention belongs to the technical field of automatic control, and relates to an anti-theft flow device control system and method. Background technique [0002] With the continuous development of automation technology, industrial production and scientific research institutions gradually use a large number of control systems with a certain degree of automation to improve work efficiency and work quality. In metering technology institutions, the flow and velocity of various gases and liquid media are widely used. Standard device. The automation control system consists of hardware and software. Among them, hardware refers to all functional devices and actuators used to achieve control effects, including controllers, actuators for control operations, and interfaces and data lines for communication between them. The types of hardware involved are very complex and cover domestic and foreign brands. Therefore, in order to ensure smooth communication, the...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/08
CPCH04L63/0428H04L67/125
Inventor 韩博陈梅
Owner 辽宁省计量科学研究院
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