CN-122018464-A - MES system management and control method and system based on chemical material production intelligence

CN122018464ACN 122018464 ACN122018464 ACN 122018464ACN-122018464-A

Abstract

The invention relates to the technical field of MES system management and control, in particular to an MES system management and control method and system based on intelligent manufacturing of chemical material production. The method comprises the steps of constructing a material evolution control path of a chemical material production batch based on an MES system, dividing the material evolution control path into a plurality of control nodes along the material evolution control path, determining material evolution constraint parameters based on the material evolution reference states, limiting evolution intervals among the control nodes by the material evolution constraint parameters, and verifying deviation from the material evolution control path in material state change caused by production execution according to the evolution intervals among adjacent control nodes in the process of production execution of the chemical material.

Inventors

XU DONG
XU JIANGZHOU
LIU JIANAN

Assignees

江西景新合成材料有限公司

Dates

Publication Date: 20260512
Application Date: 20260203

Claims (10)

1. The MES system management and control method based on the intelligent manufacturing of the chemical material production is characterized by comprising the following steps of: Step S1, constructing a material evolution control path of a chemical material production batch based on an MES system, dividing the material evolution control path into a plurality of control nodes along the material evolution control path, and determining a material evolution reference state of each control node; S2, determining material evolution constraint parameters based on a material evolution reference state, and limiting an evolution interval between control nodes by using the material evolution constraint parameters; Step S3, in the process of chemical material production execution, verifying deviation material evolution control paths in material state change caused by production execution according to evolution intervals between adjacent control nodes, and generating a material evolution deviation judging result; and S4, carrying out constraint adjustment on a material evolution control path of the chemical material production batch according to the material evolution deviation judgment result so as to enable the chemical material to finish controlled production along the material evolution control path.
2. The method for controlling an MES system based on the manufacturing intelligence of a chemical material according to claim 1, wherein step S1 includes: in an MES system, forming a material evolution control path according to the material state evolution sequence of chemical material production batches in the production execution process; Dividing the material evolution control path into a plurality of control nodes which are connected in sequence along the material evolution control path; and at each control node, determining the material evolution reference state of the chemical material under the control node by combining the production stage requirements preset by the control node.
3. The method for controlling an MES system based on smart manufacturing of a chemical material according to claim 2, wherein in the MES system, forming a material evolution control path according to a material state evolution sequence of a chemical material production lot in a production execution process includes: In an MES system, collecting initial material state data and target material state data of a chemical material production batch; Analyzing the state change condition of the chemical material in the production process based on the initial material state data and the target material state data to form a material state evolution sequence; and constructing a continuous evolution chain from the initial material state data to the target material state data according to the material state evolution sequence, and taking the continuous evolution chain as a material evolution control path.
4. A method of controlling a MES system based on smart manufacturing of chemical materials according to claim 3, wherein constructing a continuous evolution chain from initial material state data to target material state data according to a material state evolution sequence, and taking the continuous evolution chain as a material evolution control path comprises: in an MES system, mapping the material state evolution sequence into a time sequence covering the chemical material production execution process; Acquiring temperature sequence values of temperature acquisition points along a time sequence, calculating an accumulated change curve from an initial temperature to a target temperature, and extracting inflection points on the curve as chain segment points; Fitting the temperature change process in the corresponding segment based on the temperature change slope between the adjacent segment points to form a continuous temperature transition process, and filling the continuous temperature evolution point from the initial material state data to the target material state data based on the continuous temperature transition process; Integrating the continuous temperature evolution points with the time sequence to form a continuous evolution chain, and loading the continuous evolution chain into an MES system path tracking module to serve as a material evolution control path.
5. The method of claim 2, wherein dividing the material evolution control path into a plurality of sequentially joined control nodes along the material evolution control path comprises: On a material evolution control path, analyzing the material state parameter change of the chemical material, determining the position of the material state change, and taking the change position as the dividing basis of a control node; And according to the division basis of the control nodes, carrying out segmentation processing on the material evolution control path, and dividing the material evolution control path into a plurality of continuous and mutually connected control nodes.
6. The method for controlling an MES system based on intelligent manufacturing of a chemical material according to claim 5, wherein analyzing a change in a material state parameter of the chemical material, and determining a location where the material state change occurs includes: on a material evolution control path, calling process monitoring parameters of a chemical material production batch, continuously sampling and analyzing the process monitoring parameters, constructing a multi-parameter change curve, and extracting change rate information of each parameter; identifying time nodes with abrupt change of change rate and reverse direction in a multi-parameter change curve, and detecting the offset condition between adjacent parameters; when the deviation exceeds a preset threshold, marking the corresponding time node as a material state transition node, and recording the distribution rule of the transition node; and determining the position where the material state changes according to the distribution rule of the transformation nodes.
7. The method for controlling an MES system based on the manufacturing intelligence of a chemical material according to claim 1, wherein the step S3 includes: In the process of chemical material production execution, carrying out corresponding correlation on real-time production process data of the chemical material and evolution interval parameters between adjacent control nodes to form a continuous monitoring sequence of material states; Based on a continuous monitoring sequence of the material state, carrying out interval positioning on a state change process of the chemical material in an evolution interval, and determining the position change condition of the material state in the evolution interval; Judging whether a material state change process advances in an evolution interval along a material evolution control path according to the position change condition; when the material state change process is judged to deviate from the material evolution control path, calculating the material evolution deviation degree according to the deviation amplitude and the deviation direction, and generating a material evolution deviation judgment result.
8. The method of claim 7, wherein calculating the degree of deviation of the evolution of the material according to the magnitude and direction of deviation, and generating the determination result of the deviation of the evolution of the material comprises: After the material state change process is judged to deviate from the material evolution control path, extracting state data with deviation and a corresponding evolution interval; Calculating the deviation amplitude of the material state relative to the boundary of the evolution interval and determining the deviation direction based on the deviation state data by combining the operation condition parameters of the chemical production equipment in the corresponding evolution interval; generating a deviation degree value of the material in an evolution interval according to the deviation amplitude and the deviation direction; And correlating the deviation value with the corresponding production batch to form a material evolution deviation judging result.
9. The method of claim 8, wherein calculating a deviation magnitude of the material state from the boundary of the evolution interval based on the deviation state data in combination with the operation condition parameters of the chemical production equipment in the corresponding evolution interval, and determining the deviation direction comprises: Acquiring deviation state data through a reactor temperature sensor, acquiring a temperature value of a current material state, and synchronously recording the power output of a heating coil of the reactor as an operation working condition parameter; comparing the acquired temperature value with the boundary parameter of the evolution interval in real time, and calculating the absolute value of the difference value of the temperature value relative to the upper limit or the lower limit of the boundary to form the deviation amplitude of the material state; based on the calculation result of the deviation amplitude, analyzing the sign change and continuous sampling trend of the temperature difference value, and judging the deviation direction as temperature rise or fall; the magnitude and direction of the deviation are integrated into a deviation vector and the direction of the deviation is determined.
10. An MES system management and control system based on chemical material production intelligence, which is used for executing the MES system management and control method based on chemical material production intelligence as claimed in claim 1, wherein the MES system management and control system based on chemical material production intelligence comprises: The control path construction module is used for constructing a material evolution control path of the chemical material production batch based on the MES system, dividing the material evolution control path into a plurality of control nodes, and determining a material evolution reference state of each control node; The constraint parameter determining module is used for determining material evolution constraint parameters based on the material evolution reference state and limiting an evolution interval between control nodes by utilizing the material evolution constraint parameters; The material evolution deviation judging module is used for verifying deviation material evolution control paths in material state change caused by production execution according to evolution intervals between adjacent control nodes in the process of chemical material production execution, and generating a material evolution deviation judging result; And the path constraint adjustment module is used for carrying out constraint adjustment on the material evolution control path of the chemical material production batch according to the material evolution deviation judgment result so as to enable the chemical material to finish controlled production along the material evolution control path.

Description

MES system management and control method and system based on chemical material production intelligence Technical Field The invention relates to the technical field of MES system management and control, in particular to an MES system management and control method and system based on intelligent manufacturing of chemical material production. Background The chemical material production process generally involves multi-stage reaction, multi-parameter cooperative variation and complex process constraint conditions, the control mode of the existing MES system mainly takes process nodes or single process parameters as cores, production instruction distribution, data acquisition and post statistical analysis are focused, and continuous state evolution of the chemical material in the whole production execution process is difficult to uniformly describe and dynamically constrain. In the actual production process, the material state often presents a continuous change characteristic, simply depends on a fixed threshold value or discrete node judgment, is easy to ignore abnormal deviation of the material in the stage transition process, causes deviation discovery hysteresis, further influences the product quality stability, and the processing mode of the production deviation in the prior art is mostly manual experience intervention or local parameter adjustment, lacks a systematic adjustment mechanism based on the integral evolution rule of the material, and is difficult to realize unified control of the process and the batch process. Disclosure of Invention Based on this, it is necessary to provide a method and a system for controlling an MES system based on the manufacturing intelligence of chemical materials, so as to solve at least one of the above technical problems. In order to achieve the purpose, the MES system management and control method based on intelligent manufacturing of chemical material production comprises the following steps: Step S1, constructing a material evolution control path of a chemical material production batch based on an MES system, dividing the material evolution control path into a plurality of control nodes along the material evolution control path, and determining a material evolution reference state of each control node; S2, determining material evolution constraint parameters based on a material evolution reference state, and limiting an evolution interval between control nodes by using the material evolution constraint parameters; Step S3, in the process of chemical material production execution, verifying deviation material evolution control paths in material state change caused by production execution according to evolution intervals between adjacent control nodes, and generating a material evolution deviation judging result; and S4, carrying out constraint adjustment on a material evolution control path of the chemical material production batch according to the material evolution deviation judgment result so as to enable the chemical material to finish controlled production along the material evolution control path. The invention also provides an MES system control system based on the industrial production intelligence, which is used for executing the MES system control method based on the industrial production intelligence, and comprises the following steps: The control path construction module is used for constructing a material evolution control path of the chemical material production batch based on the MES system, dividing the material evolution control path into a plurality of control nodes, and determining a material evolution reference state of each control node; The constraint parameter determining module is used for determining material evolution constraint parameters based on the material evolution reference state and limiting an evolution interval between control nodes by utilizing the material evolution constraint parameters; The material evolution deviation judging module is used for verifying deviation material evolution control paths in material state change caused by production execution according to evolution intervals between adjacent control nodes in the process of chemical material production execution, and generating a material evolution deviation judging result; And the path constraint adjustment module is used for carrying out constraint adjustment on the material evolution control path of the chemical material production batch according to the material evolution deviation judgment result so as to enable the chemical material to finish controlled production along the material evolution control path. The method has the advantages that a material evolution control path penetrating through the whole production process is constructed in an MES system, a plurality of control nodes with definite reference states are arranged along the control path, the production process of chemical materials is controlled and controlled by traditional discrete procedures, the co