Closed-loop control system early failure detection and diagnosis method and closed-loop control system early failure detection and diagnosis system
A closed-loop control and early failure technology, which is applied in general control systems, control/regulation systems, test/monitoring control systems, etc., can solve problems such as the inability to identify minor faults, and achieve the effects of fast speed, avoiding misjudgment, and high efficiency
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Embodiment 1
[0033] The embodiment of this application provides an early fault detection and diagnosis method for a closed-loop control system, please refer to figure 1 , the method comprises the steps of:
[0034] S0. Establish a real closed-loop control system on site according to requirements; for example, establish a real closed-loop control system according to the actual controlled object, measuring equipment and different controllers;
[0035] S1. Establish a virtual closed-loop control system based on the data assimilation technology and the mathematical mechanism model of the equipment; establish a virtual closed-loop control system based on the data assimilation technology, which is one-to-one mapped with the real closed-loop control system; the established virtual closed-loop control system can follow the real The closed-loop system changes and does not need to be re-established repeatedly; it avoids the interference caused by artificially establishing a virtual closed-loop contr...
Embodiment 2
[0063] An embodiment of the present invention provides an early fault detection and diagnosis system for a closed-loop control system, which is applicable to the early fault detection and diagnosis method for a closed-loop control system shown in Embodiment 1. In order to realize the above-mentioned closed-loop control system based on data assimilation fault detection and diagnostic methods, Figure 6 It is a schematic diagram of an early fault detection and diagnosis system of a closed-loop control system provided in Embodiment 2 of the present invention, and the system includes:
[0064] A real closed-loop control system establishment module 100 is used to establish a real closed-loop control system on site according to actual needs; such as establishing a real closed-loop control system according to actual controlled objects, measuring equipment and different controllers;
[0065] The virtual closed-loop control system establishment module 200 is connected to the real close...
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