Control system stability analysis method and device and computer-readable storage medium
A technology of control systems and analysis methods, applied in general control systems, control/regulation systems, testing/monitoring control systems, etc., and can solve the problem of low adaptability
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Embodiment 1
[0113] It is precisely because of the technical difficulties in the background technology that we propose a corresponding method. First of all, the automation structure of the welding torch system should be analyzed, and the preliminary matrix of the control system should be obtained for the automation structure. Then, the distance between the welding torch and the welding point is set as an uncertain element in the control matrix, and a control matrix with one position parameter is obtained. Next, construct the corresponding Kronercker-Lyapunov matrix of the original matrix, and by judging the range of the eigenvalues of Kronercker-Lyapunov, the judgment that the eigenvalues of the original matrix are located on the imaginary axis can be solved, so that the stability of the control matrix can be analyzed; the following is produced by welding process The system is taken as an example to describe the implementation process of the technical solution of this application in de...
Embodiment 2
[0125] In addition to the welding production system, the problems faced in other industrial production systems are similar. In a system that uses current and voltage to control the operation of the engine, it contains resistance, inductance and capacitance equipment. The inductance equipment of the system is due to aging. With uncertain factors, it will change randomly within a range. Now it is hoped that the change of the inductance factor in those ranges will not affect the stability of the engine; and under the action of those factors, it will affect the stability of the engine system; thus it can be determined whether the inductance should be replaced. The solution is as follows:
[0126] Step 1, according to the circuit relationship of the motor current and voltage, list the corresponding differential equations;
[0127] Step 2. According to modern control theory, rewrite the high-order derivative differential equation system into a first-order differential equation syst...
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