System and method for detecting instantaneity of industrial control system

A technology of industrial control system and detection system, applied in the direction of electrical testing/monitoring, etc., can solve the problem of low accuracy and achieve the effect of overcoming real-time evaluation

Active Publication Date: 2014-03-12
HARBIN ANTIY TECH
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Problems solved by technology

The current detection method only evaluates the real-time performance of the industrial control system through the data transmission rate, and the accuracy is low. At present, there is a lack of a detection method with sufficient accuracy and good versatility

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  • System and method for detecting instantaneity of industrial control system
  • System and method for detecting instantaneity of industrial control system

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Embodiment Construction

[0023] In order to enable those skilled in the art to better understand the technical solutions in the embodiments of the present invention, and to make the above-mentioned objectives, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be further detailed in conjunction with the accompanying drawings. Description.

[0024] The present invention provides a system and method for detecting the real-time performance of an industrial control system, which can specify a specific range of the industrial control system, or a specific process control loop for measuring delay time and real-time performance, and can effectively evaluate the quality of the industrial control system.

[0025] A real-time detection system for industrial control systems, including:

[0026] The data measuring probe 101 is used to measure the measured value data sent by the transmitter in the industrial control system, and the t...

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Abstract

The invention provides a system and method for detecting the instantaneity of an industrial control system. The system comprises a data measuring probe, a special-purpose communication network, a detection computer and an accurate time service system; and the system can measure measured value data sent by a transmitter in the industrial control system as well as time in which a performer receives data output by a controller, and calculate the delayed time to obtain the system instantaneity. According to the system and method of the invention, the quality of the industrial control system can be effectively estimated; and the system and method can be also used for detecting abnormities, thereby overcoming the disadvantage in estimating the instantaneity of the industrial control system only according to the data transmission rate.

Description

technical field [0001] The invention relates to the field of industrial control systems, in particular to a system and method for detecting the real-time performance of an industrial control system. Background technique [0002] Industrial control systems require high real-time performance. For process control loops, the decline in real-time performance will lead to more serious hysteresis in the process control loop, causing damage to normal process control, such as severe overshoot and oscillation. For DCS (distributed control system), due to the existence of time-consuming links such as A / D conversion, D / A conversion, and software control algorithm execution, real-time performance may be affected; for FCS (fieldbus control system), due to the presence of fieldbus The impact of data transmission delay on real-time performance cannot be ignored. Detecting the real-time performance of industrial control systems, especially detecting the real-time performance of industrial c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B23/02
Inventor 赵世平肖新光桑胜田
Owner HARBIN ANTIY TECH
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