CN-121973422-A - Plastic wiredrawing parameter self-adaptive regulation and control method and system integrating multi-sensor data

CN121973422ACN 121973422 ACN121973422 ACN 121973422ACN-121973422-A

Abstract

The application belongs to the technical field of plastic wiredrawing, and particularly relates to a plastic wiredrawing parameter self-adaptive regulation and control method and system integrating multi-sensor data, wherein the method comprises the steps of judging unqualified products, recording fluctuation nodes, merging continuous fluctuation nodes to generate a quality monitoring section, and extracting process parameters in the section as profile reference parameters; the application improves the accuracy of regulation and control and the stability of long-term operation by tracing the technological parameters associated with the continuous quality fluctuation section, correcting the future parameters based on the historical problem data and upgrading the cross-period systematic problem.

Inventors

XING MAI
LU WEIBIAO
ZHANG GUOJUAN
DU SHUAI
LI GANG

Assignees

山东滨州恒迈尼龙化纤制品有限公司

Dates

Publication Date: 20260505
Application Date: 20260210

Claims (10)

1. The self-adaptive regulation and control method for the plastic wiredrawing parameters fusing the multi-sensor data is characterized by comprising the following steps of: When a quality monitoring section is generated based on quality information of a wire drawing period, determining a final characteristic parameter of wire drawing parameters to be operated, and extracting a profile reference parameter based on the quality monitoring section; Comparing the wire drawing parameters to be operated with the profile reference parameters to output tentative characteristic parameters, and calling a checking model to process the tentative characteristic parameters to generate final characteristic parameters; Based on final characteristic parameters and regulating and controlling the operation of the wire drawing system.
2. The method for adaptive regulation of plastic drawing parameters for fusion of multi-sensor data according to claim 1, wherein the step of generating a quality monitoring section comprises: recording output time points with the sample deviation degree larger than a preset deviation threshold as fluctuation nodes, recording output time points with the sample deviation degree not larger than the preset deviation threshold as stable nodes, and defining a time range between adjacent stable nodes as a fluctuation interval; at least one continuous wave segment is identified based on the wave node distribution within the wave interval and the at least one continuous wave segment is merged to generate a quality monitoring segment.
3. The method for adaptive regulation and control of plastic drawing parameters with fusion of multi-sensor data according to claim 2, wherein the step of identifying at least one continuous fluctuation segment based on a fluctuation node distribution within a fluctuation interval comprises: and calculating time differences between adjacent fluctuation nodes sequenced in time sequence in the fluctuation interval, if the time differences are larger than a preset time difference threshold value, identifying a period corresponding to the time differences as a separation gap, and dividing the fluctuation interval into at least one continuous fluctuation section based on the separation gap.
4. The method for adaptively adjusting and controlling plastic wiredrawing parameters by fusing multi-sensor data according to claim 1, wherein the step of extracting profile reference parameters based on the quality monitoring section comprises: And determining a time center point of the quality monitoring section, and extending the time center point to the front and back along the time axis by a preset time amount to form a time profile by taking the time center point as a reference, so as to extract the drawing speed, the drawing temperature and the drawing raw material recorded in the time profile as profile reference parameters.
5. The adaptive control method for plastic wire drawing parameters fused with multi-sensor data according to claim 1, wherein the step of comparing the wire drawing parameters to be operated with the profile reference parameters to output temporary characteristic parameters comprises: And carrying out difference calculation or substance comparison analysis on corresponding parameters in the wire drawing parameters to be operated and the profile reference parameters, and determining parameters to be corrected as tentative characteristic parameters according to preset judging rules.
6. The method for adaptively adjusting and controlling the plastic wiredrawing parameters by fusing the multi-sensor data according to claim 1, wherein the step of calling the check model comprises selectively calling at least one of a check model based on wiredrawing start-stop point time difference, a check model based on unit mass elapsed time and a check model based on a material replacement period according to the type of the tentative characteristic parameters.
7. The method for adaptively adjusting and controlling plastic wiredrawing parameters by fusing multi-sensor data according to claim 1, further comprising: Evaluating the result of the regulation after regulating the operation of the drawing system based on the final characteristic parameters, and And if the evaluation judges that the deviation degree of the samples produced after the regulation is greater than the preset deviation threshold value, executing compensation control.
8. The method for adaptively adjusting and controlling the wire drawing parameters of the plastic fused with the multi-sensor data according to claim 3, wherein the method further comprises the steps of: After the quality monitoring section is generated, if the quality monitoring section continuously appears in a plurality of continuous wire drawing periods and exceeds a preset continuous period threshold value, the duration of the quality monitoring section is prolonged to form a calibration section, and the calibration section is used for replacing the quality monitoring section for subsequent processing.
9. The adaptive regulation and control system for plastic wiredrawing parameters fusing multi-sensor data is characterized in that the adaptive regulation and control system is applied to the adaptive regulation and control method for plastic wiredrawing parameters fusing multi-sensor data according to any one of claims 1 to 8, and comprises the following steps: The state sensing unit is used for monitoring quality information in the wire drawing process and generating a quality monitoring section based on the quality information; The decision strategy unit compares the wire drawing parameters to be operated with the profile reference parameters by extracting the profile reference parameters associated with the quality monitoring section to output tentative characteristic parameters, and invokes the checking model to process the tentative characteristic parameters to generate final characteristic parameters; the execution control unit is used for receiving the final characteristic parameters from the decision strategy unit and regulating and controlling the operation of the wire drawing equipment according to the final characteristic parameters; and the regulation and control evaluation unit is used for evaluating the production result after the regulation and control is executed by the execution control unit, and triggering compensation control when the deviation degree of the samples produced after the regulation and control is judged to be larger than a preset deviation threshold value.
10. The adaptive control system for plastic wire drawing parameters integrating multi-sensor data according to claim 9, wherein the state sensing unit is configured to record output time points with a sample deviation degree greater than a preset deviation threshold as fluctuation nodes, record output time points with a sample deviation degree not greater than the preset deviation threshold as stabilization nodes, define a time range between adjacent stabilization nodes as fluctuation intervals, and identify and combine at least one continuous fluctuation section based on a fluctuation node distribution within the fluctuation intervals to generate the quality monitoring section.

Description

Plastic wiredrawing parameter self-adaptive regulation and control method and system integrating multi-sensor data Technical Field The invention belongs to the technical field of plastic wiredrawing, and particularly relates to a plastic wiredrawing parameter self-adaptive regulation and control method and system integrating multi-sensor data. Background The plastic wire drawing is taken as a basic process in modern industrial production, the product is widely applied to the key fields of packaging, spinning, building, medical treatment and the like, and along with the deep advancement of intelligent manufacturing technology, an automatic and intelligent production mode becomes a core means for improving the production efficiency and guaranteeing the consistency of products in the plastic wire drawing industry. In the prior art, the conventional plastic wire drawing parameter regulation and control technology has a plurality of defects in practice, and the conventional regulation and control system mainly performs open-loop or semi-open-loop control according to the running state parameters (such as heating temperature and traction speed) of the equipment, so that on-line monitoring and closed-loop feedback of real-time quality indexes (such as wire diameter uniformity, surface smoothness and tensile strength) of a wire drawing sample are ignored, the control behavior and the quality target are seriously disjointed, and the stability of the product quality is difficult to ensure. Disclosure of Invention The invention provides a self-adaptive regulation and control method for plastic wiredrawing parameters fused with multi-sensor data, which aims to solve the problems in the prior art. In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: When a quality monitoring section is generated based on quality information of a wire drawing period, determining a final characteristic parameter of wire drawing parameters to be operated, and extracting a profile reference parameter based on the quality monitoring section; Comparing the wire drawing parameters to be operated with the profile reference parameters to output tentative characteristic parameters, and calling a checking model to process the tentative characteristic parameters to generate final characteristic parameters; Based on final characteristic parameters and regulating and controlling the operation of the wire drawing system. Optionally, the step of generating the quality monitoring section comprises: recording output time points with the sample deviation degree larger than a preset deviation threshold as fluctuation nodes, recording output time points with the sample deviation degree not larger than the preset deviation threshold as stable nodes, and defining a time range between adjacent stable nodes as a fluctuation interval; at least one continuous wave segment is identified based on the wave node distribution within the wave interval and the at least one continuous wave segment is merged to generate a quality monitoring segment. Optionally, the step of identifying at least one continuous wave segment based on the distribution of wave nodes within the wave interval comprises: and calculating time differences between adjacent fluctuation nodes sequenced in time sequence in the fluctuation interval, if the time differences are larger than a preset time difference threshold value, identifying a period corresponding to the time differences as a separation gap, and dividing the fluctuation interval into at least one continuous fluctuation section based on the separation gap. Optionally, the step of extracting the profile reference parameter based on the quality monitoring section comprises: And determining a time center point of the quality monitoring section, and extending the time center point to the front and back along the time axis by a preset time amount to form a time profile by taking the time center point as a reference, so as to extract the drawing speed, the drawing temperature and the drawing raw material recorded in the time profile as profile reference parameters. Optionally, the step of comparing the drawing parameters to be run with the profile reference parameters to output temporary characteristic parameters includes: And carrying out difference calculation or substance comparison analysis on corresponding parameters in the wire drawing parameters to be operated and the profile reference parameters, and determining parameters to be corrected as tentative characteristic parameters according to preset judging rules. Optionally, the method comprises the step of selectively calling at least one of a checking model based on the wire drawing start and stop point time difference, a checking model based on unit mass consumption time and a checking model based on a material replacement period according to the type of the tentative characteristic parameter. Optionally, the method further comprises: Eval