CN-119121489-B - Method, device, equipment and medium for detecting abnormality of control system of loom

CN119121489BCN 119121489 BCN119121489 BCN 119121489BCN-119121489-B

Abstract

The application discloses a method, a device, equipment and a medium for detecting abnormality of a control system of a loom, which relate to the technical field of intelligent detection and comprise the steps of detecting warp and cloth cover tension borne by a back beam of a target loom based on a first tension sensor independently arranged on the back beam of the target loom; the method comprises the steps of carrying out signal conversion on an obtained target pressure signal by using a preset signal processing tool, carrying out curve fitting on the obtained target pressure digital signal to obtain a pressure change dynamic curve, obtaining a pressure digital signal to be detected by a second tension sensor connected with a control system on a back beam of a target loom, controlling the first tension sensor and the second tension sensor by different independent power supplies, judging the pressure digital signal to be detected based on the pressure change dynamic curve, and determining the abnormal condition of the control system according to the judging result. And judging the abnormal condition of the control system by utilizing the change trend of the pressure digital signal to be detected by the pressure change dynamic curve, and improving the quality of the loom.

Inventors

ZHU HONGWEI
YANG XUEZHENG
TIAN FEIXIANG
YANG FENGLEI
YANG GUANGFENG

Assignees

山东日发纺织机械有限公司

Dates

Publication Date: 20260508
Application Date: 20241012

Claims (9)

1. A control system abnormality detection method of a loom, comprising: detecting warp and cloth cover tension borne by a back beam of a target loom based on a first tension sensor independently mounted on the back beam of the target loom so as to obtain a target pressure signal; Performing signal conversion operation on the target pressure signal by using a preset signal processing tool to obtain a corresponding target pressure digital signal, and performing curve fitting on the target pressure digital signal to obtain a pressure change dynamic curve, wherein the curve fitting is performed on the target pressure digital signal to obtain a pressure change dynamic curve, and the method comprises the steps of calculating an average value of processed data corresponding to the target pressure digital signal, and calculating the average value, pressure information in the target pressure digital signal and pressure change speed information by using a preset linear equation to obtain the pressure change dynamic curve; The method comprises the steps of acquiring to-be-detected pressure digital signals corresponding to warp and cloth cover tension borne by a target loom back beam through a second tension sensor connected with a control system on the target loom back beam, wherein the first tension sensor and the second tension sensor are controlled through different independent power supplies; Judging the change trend of the pressure digital signal to be detected based on the pressure change dynamic curve, and determining the abnormal condition of the control system according to the judging result; The method comprises the steps of judging the change trend of the pressure digital signal to be detected based on the pressure change dynamic curve, determining that the control system is in a normal running state if the change trend of the pressure digital signal to be detected is consistent with the change trend of the pressure change dynamic curve, and determining that the control system is in an abnormal state if the change trend of the pressure digital signal to be detected is inconsistent with the change trend of the pressure change dynamic curve.
2. The method according to claim 1, wherein the detecting the warp and cloth tension applied to the back beam of the target loom based on the first tension sensor independently mounted on the back beam of the target loom to obtain the target pressure signal comprises: and detecting the warp yarn and cloth cover tension borne by the back beam of the target loom based on a first tension sensor independently arranged on the back beam of the target loom to obtain corresponding stress signals, carrying out corresponding signal shaping, signal amplification and signal conversion on the stress signals to obtain corresponding electric signals, and determining the electric signals as target pressure signals.
3. The method for detecting abnormal control system of loom according to claim 1, wherein after performing signal conversion operation on the target pressure signal by using a preset signal processing tool to obtain a corresponding target pressure digital signal and performing curve fitting on the target pressure digital signal to obtain a dynamic pressure change curve, the method further comprises: And transmitting the pressure change dynamic curve to preset display equipment through a preset general communication interface or a preset wireless interface so as to display the pressure change dynamic curve based on the preset display equipment.
4. The method according to claim 1, wherein the first tension sensor is mounted on the back beam of the target loom at a position opposite to a position where the second tension sensor is located.
5. The method for detecting abnormality of a control system of a loom according to claim 1, characterized by further comprising, after said determination that said control system is in a normal operation state: And combining the target pressure digital signal corresponding to the first tension sensor and the pressure digital signal to be detected corresponding to the second tension sensor to obtain combined tension data, and optimizing a control algorithm of the warp feeding and coiling servo motor in the control system based on the combined tension data.
6. The method for detecting abnormality of a control system of a loom according to claim 4, characterized by further comprising, after said determination that said control system is in an abnormal state: And replacing the target pressure digital signal corresponding to the first tension sensor with the pressure digital signal to be detected corresponding to the second tension sensor to obtain replaced tension data, and optimizing a control algorithm of the warp feeding and coiling servo motors in the control system based on the replaced tension data.
7. An abnormality detection device for a control system of a loom, comprising: the target signal acquisition module is used for detecting warp and cloth cover tension borne by the target loom back beam based on a first tension sensor independently mounted on the target loom back beam so as to obtain a target pressure signal; the pressure curve acquisition module is used for performing signal conversion operation on the target pressure signal by using a preset signal processing tool to obtain a corresponding target pressure digital signal, and performing curve fitting on the target pressure digital signal to obtain a pressure change dynamic curve; The system comprises a to-be-detected signal acquisition module, a to-be-detected signal acquisition module and a control module, wherein the to-be-detected signal acquisition module is used for acquiring to-be-detected pressure digital signals corresponding to warp and cloth cover tension borne by a back beam of a target loom through a second tension sensor connected with a control system on the back beam of the target loom; The change trend judging module is used for judging the change trend of the pressure digital signal to be detected based on the pressure change dynamic curve and determining the abnormal condition of the control system according to the judging result; The method comprises the steps of judging the change trend of the pressure digital signal to be detected based on the pressure change dynamic curve, determining that the control system is in a normal running state if the change trend of the pressure digital signal to be detected is consistent with the change trend of the pressure change dynamic curve, and determining that the control system is in an abnormal state if the change trend of the pressure digital signal to be detected is inconsistent with the change trend of the pressure change dynamic curve.
8. An electronic device, comprising: A memory for storing a computer program; a processor for executing the computer program to realize the control system abnormality detection method of the loom according to any one of claims 1 to 6.
9. A computer-readable storage medium for storing a computer program, wherein the computer program, when executed by a processor, implements the method for detecting anomalies in a control system of a loom according to any one of claims 1 to 6.

Description

Method, device, equipment and medium for detecting abnormality of control system of loom Technical Field The invention relates to the technical field of intelligent detection, in particular to a method, a device, equipment and a medium for detecting abnormality of a control system of a loom. Background At present, a control system of a loom comprises a function of measuring the tension degree of warp yarns and cloth cover, but the control system of the existing loom collects the tension degree of warp yarns on a back beam, namely, is positioned at the left side or the right side of the back beam, and the function is good or bad, and the difference is caused along with the difference of each part of the loom and the difference of electric parts in the control system, so that the quality of fabric is finally influenced, bad cloth is formed, and the production waste is caused. From the above, how to detect the abnormality of the control system of the loom is a problem to be solved. Disclosure of Invention Accordingly, the invention aims to provide a method, a device, equipment and a medium for detecting abnormality of a control system of a loom, which can effectively avoid influencing the quality of fabrics due to the difference caused by abnormal transmission effect among mechanical parts, thereby saving the production cost and improving the quality of fabrics. The specific scheme is as follows: in a first aspect, the present application provides a method for detecting abnormality of a control system of a loom, including: detecting warp and cloth cover tension borne by a back beam of a target loom based on a first tension sensor independently mounted on the back beam of the target loom so as to obtain a target pressure signal; Performing signal conversion operation on the target pressure signal by using a preset signal processing tool to obtain a corresponding target pressure digital signal, and performing curve fitting on the target pressure digital signal to obtain a pressure change dynamic curve; The method comprises the steps of acquiring to-be-detected pressure digital signals corresponding to warp and cloth cover tension borne by a target loom back beam through a second tension sensor connected with a control system on the target loom back beam, wherein the first tension sensor and the second tension sensor are controlled through different independent power supplies; And judging the change trend of the pressure digital signal to be detected based on the pressure change dynamic curve, and determining the abnormal condition of the control system according to the judging result. Optionally, the detecting the warp and cloth cover tension applied to the back beam of the target loom based on a first tension sensor independently installed on the back beam of the target loom to obtain a target pressure signal includes: and detecting the warp yarn and cloth cover tension borne by the back beam of the target loom based on a first tension sensor independently arranged on the back beam of the target loom to obtain corresponding stress signals, carrying out corresponding signal shaping, signal amplification and signal conversion on the stress signals to obtain corresponding electric signals, and determining the electric signals as target pressure signals. Optionally, after performing a signal conversion operation on the target pressure signal by using a preset signal processing tool to obtain a corresponding target pressure digital signal and performing curve fitting on the target pressure digital signal to obtain a pressure change dynamic curve, the method further includes: And transmitting the pressure change dynamic curve to preset display equipment through a preset general communication interface or a preset wireless interface so as to display the pressure change dynamic curve based on the preset display equipment. Optionally, the first tension sensor is mounted on the back beam of the target loom at a position opposite to the position where the second tension sensor is located. Optionally, the determining the change trend of the pressure digital signal to be detected based on the pressure change dynamic curve, and determining the abnormal situation of the control system according to the determination result includes: judging the change trend of the pressure digital signal to be detected based on the pressure change dynamic curve; if the change trend of the pressure digital signal to be detected is consistent with the change trend of the pressure change dynamic curve, determining that the control system is in a normal running state; If the change trend of the pressure digital signal to be detected is inconsistent with the change trend of the pressure change dynamic curve, determining that the control system is in an abnormal state. Optionally, after the determining that the control system is in the normal running state, the method further includes: And combining the target pressure digital signal corresponding t