CN-121765980-B - Intelligent collecting ring health management method and system based on digital twinning

CN121765980BCN 121765980 BCN121765980 BCN 121765980BCN-121765980-B

Abstract

The invention discloses an intelligent collecting ring health management method and system based on digital twinning, which relate to the technical field of electromechanical systems and comprise the steps of obtaining a twinning model based on digital twinning; the method is used for solving the problems that in the existing intelligent collecting ring health management method, the hidden danger caused by the fault cannot be effectively predicted and pertinently managed, only the fault can be passively monitored and remedied afterwards, the active prediction cannot be carried out on the fault, and early warning false alarm and missing report are caused.

Inventors

SUN KANG
LU YUDONG
YANG CHAO

Assignees

上海泓诚鑫机械电气制造有限公司

Dates

Publication Date: 20260505
Application Date: 20260302

Claims (9)

1. The intelligent collecting ring health management method based on digital twinning is characterized by comprising the following steps of: acquiring a digital twin model corresponding to the intelligent collecting ring based on digital twin and recording the digital twin model as a twin model; The method comprises the steps of carrying out fault simulation in a twin model based on twin simulation parameters of all fault types, and obtaining a fault evolution link of each fault type based on a fault simulation result; The fault management method of all fault types corresponding to the intelligent collecting ring is updated based on the operation period of the intelligent collecting ring, the fault type detected to be abnormal in the intelligent collecting ring is recorded as a real-time management fault, and the intelligent collecting ring is healthily managed based on the latest fault management method corresponding to the real-time management fault; the link analysis method comprises the following steps: For any fault evolution link of which the fault type GL r corresponds to the abnormal parameter curve alpha, sequentially marking linkage evolution curves from the linkage abnormal type LY 1 to the linkage abnormal type LY u in the fault evolution link as a linkage evolution curve LQ 1 to a linkage evolution curve LQ u ; The fault management method of the fault type GL r corresponding to the abnormal parameter curve alpha is set to execute a first correction process of the abnormal parameter curve alpha and sequentially execute a first correction process of the linkage evolution curve LQ 1 to the linkage evolution curve LQ u ; And obtaining a fault management method of the fault type GL r corresponding to all abnormal parameter curves of the fault type GL r .
2. The intelligent collecting ring health management method based on digital twinning according to claim 1, wherein the obtaining of the digital twinning model corresponding to the intelligent collecting ring based on digital twinning and recording as the twinning model, the obtaining of the fault type of the intelligent collecting ring based on the operation log of the intelligent collecting ring comprises: Based on a geometric model, a physical model and a digital thread of the intelligent collecting ring, a digital twin model corresponding to the intelligent collecting ring is built by using digital twin and recorded as a twin model, wherein the geometric model comprises dimension data of all components used for building the intelligent collecting ring, the physical model comprises integrated electric contact, heat conduction, mechanical vibration, abrasion and fluid multi-field coupling equations, and the digital thread comprises access design BMO, manufacturing process parameters and factory test data; Based on the operation log of the intelligent collecting ring, acquiring all fault types detected in the intelligent collecting ring, and respectively marking the fault types as fault types GL 1 to GL t , wherein t is the total number of faults which can be monitored in the intelligent collecting ring by the equipment for monitoring the intelligent collecting ring, and marking the equipment for monitoring the fault types as fault monitoring equipment of the fault types; For any fault type GL r , acquiring all monitoring records of fault monitoring equipment of the fault type GL r on the fault type GL r in an operation log of an intelligent collecting ring, and recording the monitoring records as parameter monitoring records, wherein r is a positive integer which is more than or equal to 1 and less than or equal to t; And drawing a relation curve of parameters corresponding to the fault type GL r and time in a parameter monitoring record in the parameter analysis coordinate system, and recording the relation curve as a parameter analysis curve.
3. The digital twinning-based intelligent slip ring health management method according to claim 2, wherein obtaining the fault type of the intelligent slip ring and the twinning simulation parameters corresponding to each fault type based on the operation log of the intelligent slip ring comprises: Based on fault judgment standards, marking a curve corresponding to the data with abnormality in the fault type GL r in the parameter monitoring record in a parameter analysis curve as a parameter abnormality curve, and marking a curve corresponding to the data without abnormality in the fault type GL r in the parameter monitoring record in a parameter analysis curve as a parameter normal curve, wherein the parameter abnormality curve and the parameter normal curve are allowed to exist in a plurality of modes; All the parameter abnormal curves corresponding to the fault type GL r and the parameter normal curves are recorded as twin simulation parameters of the fault type GL r ; And obtaining twin simulation parameters corresponding to all fault types.
4. The intelligent slip ring health management method based on digital twinning according to claim 3, wherein the fault simulation includes single fault simulation and multiple fault simulation, and the single fault simulation includes: For any one of the parameter abnormal curves alpha corresponding to any one of the fault types GL r , respectively marking left-domain curves of all parameter normal curves corresponding to the fault type GL r as corrected operation curves XY 1 to XY e , wherein e is the number of the parameter normal curves corresponding to the fault type GL r , and the left-domain curves are curves corresponding to the left half area of the parameter normal curves; And for any one correction operation curve XY p , simulating an intelligent collecting ring in a standard operation state in the twin model, and recording a curve corresponding to the monitoring record of the fault monitoring equipment on the fault type GL r in a parameter analysis coordinate system as a real-time simulation curve, wherein the standard operation state is that the fault type is not in an abnormal state, and p is a positive integer less than or equal to e and greater than or equal to 1.
5. The digital twinning-based intelligent slip ring health management method of claim 4, wherein the single fault simulation further comprises: adjusting the operation state of the intelligent collecting ring in the twin model, and marking the transverse sitting of the rightmost point of the real-time simulation curve as A1 when the rightmost area of the real-time simulation curve is completely identical with the parameter abnormal curve alpha; Continuously adjusting the operation state of the intelligent collecting ring in the twin model until the rightmost area of the real-time simulation curve is completely the same as the correction operation curve XY p , marking the transverse sitting of the rightmost point of the real-time simulation curve as A2, marking the difference value between A2 and A1 as abnormal correction time, and marking the adjustment process of all components in the intelligent collecting ring between A1 and A2 as an abnormal correction process; The abnormal correction process corresponding to the correction operation curve with the minimum abnormal correction time is recorded as a first correction process of the parameter abnormal curve alpha; And acquiring a first correction process of all abnormal parameter curves of all fault types.
6. The digital twinning-based intelligent slip ring health management method of claim 5, wherein the multi-fault simulation comprises: For any abnormal parameter curve alpha corresponding to any fault type GL r , simulating an intelligent collecting ring in a standard operation state in a twin model, and obtaining a corresponding real-time simulation curve; And adjusting the operation state of the intelligent collecting ring in the twin model at the moment B1, when the rightmost area of the real-time simulation curve is completely the same as the parameter abnormal curve alpha, adjusting all components in the intelligent collecting ring by using a first correction process of the abnormal parameter curve alpha until the fault type GL r is not in the abnormal state, and marking the transverse sitting of the rightmost point of the real-time simulation curve as B2.
7. The digital twinning-based intelligent slip ring health management method of claim 6, wherein the multi-fault simulation further comprises: The fault types in abnormal states in the intelligent collector ring except the fault types GL r are marked as linkage abnormal types, and the time in abnormal states is marked as linkage abnormal types LY 1 to LY u from first to second in sequence; for any abnormal linkage type, the curve of the abnormal linkage type in the parameter analysis coordinate system is marked as abnormal linkage curve, and the curve with highest similarity with the abnormal linkage curve is marked as the abnormal linkage evolution curve of the abnormal linkage type; Marking the linkage abnormal type LY 1 to the linkage abnormal type LY u as a fault evolution link of the fault type GL r corresponding to the abnormal parameter curve alpha; And acquiring abnormal evolution links of all fault types corresponding to each abnormal parameter curve.
8. The intelligent slip ring health management method based on digital twinning according to claim 7, wherein the fault management method of all fault types corresponding to the intelligent slip ring is updated based on the operation cycle of the intelligent slip ring, the fault type detected as abnormal by the intelligent slip ring is recorded as a real-time management fault, and the health management of the intelligent slip ring based on the latest fault management method corresponding to the real-time management fault comprises: when the intelligent collecting ring operates to a new operation period, updating fault management methods of all fault types corresponding to the intelligent collecting ring; when the real-time management fault is acquired, acquiring a corresponding curve in a parameter analysis coordinate system when the real-time management fault is abnormal based on a monitoring record of the real-time management fault by fault monitoring equipment of the real-time management fault, and recording the curve as a real-time fault curve; The curve with the highest similarity with the real-time fault curve in all abnormal parameter curves for real-time fault management is recorded as a first correction curve; and executing a fault management method for managing faults in real time and corresponding to the first correction curve.
9. The intelligent collecting ring health management system based on digital twinning is used for realizing the intelligent collecting ring health management method based on digital twinning according to any one of claims 1-8, and is characterized by comprising a fault type analysis module, a fault management analysis module and a real-time fault management module; The fault type analysis module is used for acquiring a digital twin model corresponding to the intelligent collecting ring based on digital twin and recording the digital twin model as a twin model; The fault management analysis module is used for carrying out fault simulation in the twin model based on twin simulation parameters of all fault types and obtaining fault evolution links of each fault type based on fault simulation results; The real-time fault management module is used for updating fault management methods of all fault types corresponding to the intelligent collecting ring based on the running period of the intelligent collecting ring, recording the fault type detected to be abnormal in the intelligent collecting ring as a real-time management fault, and carrying out health management on the intelligent collecting ring based on the latest fault management method corresponding to the real-time management fault.

Description

Intelligent collecting ring health management method and system based on digital twinning Technical Field The invention relates to the technical field of electromechanical systems, in particular to an intelligent collecting ring health management method and system based on digital twinning. Background The intelligent collecting ring is a rotary electric interface integrating intelligent technologies such as sensing, signal processing, communication of the Internet of things and the like on the basis of the traditional collecting ring, and the intelligent collecting ring has the core of realizing intelligent functions such as state monitoring, fault early warning, self-adaptive adjustment and the like while stably transmitting electric power and signals between rotary and static parts. The existing method for health management of the intelligent collecting ring is usually an improvement on single fault monitoring in the intelligent collecting ring, and aims of health management on the intelligent collecting ring are fulfilled by carrying out fault judgment on monitoring results, although the improvement method can be used for more accurately managing faults, only single faults can be independently judged, fault chains caused by faults cannot be analyzed, so that hidden danger caused by the faults cannot be effectively predicted and pertinently managed, only the faults can be passively monitored and post-remedied, active prediction cannot be carried out on the faults, and further early warning and false alarm can be caused, for example, in the patent application with the publication number of CN119987462A, a collecting ring temperature control system of a camera is disclosed, the scheme is that the temperature of the collecting ring is controlled by adopting phase change materials, future trend is predicted by analyzing the power of the collecting ring, the temperature of the collecting ring is controlled, and other methods for health management of the intelligent collecting ring are usually an improvement on the aspect of a triggering threshold of management, the hidden danger caused by the faults can not be effectively predicted, the problems that the faults can not be actively monitored and the faults can not be detected, and the problems of early warning and false alarm can not be caused by the prior art that the prior art can not be accurately predicted and the faults can not be accurately managed, and the faults can not be accurately predicted and the health management can not be accurately predicted and the detected. Disclosure of Invention The invention aims to solve at least one of the technical problems in the prior art to a certain extent, and provides an intelligent collecting ring health management method and system based on digital twinning, which are used for solving the problems that in the existing intelligent collecting ring health management method, failure chains caused by failures cannot be analyzed, hidden dangers caused by the failures cannot be effectively predicted and pertinently managed, only the failures can be passively monitored and remedied afterwards, the failures cannot be actively predicted, and early warning false alarm and missing report are caused. To achieve the above object, in a first aspect, the present application provides a digital twinning-based intelligent slip ring health management method, including the steps of: acquiring a digital twin model corresponding to the intelligent collecting ring based on digital twin and recording the digital twin model as a twin model; The method comprises the steps of carrying out fault simulation in a twin model based on twin simulation parameters of all fault types, and obtaining a fault evolution link of each fault type based on a fault simulation result; and the fault management method of all fault types corresponding to the intelligent collecting ring is updated based on the running period of the intelligent collecting ring, the fault type detected to be abnormal in the intelligent collecting ring is recorded as a real-time management fault, and the intelligent collecting ring is healthily managed based on the latest fault management method corresponding to the real-time management fault. Further, obtaining a digital twin model corresponding to the intelligent collecting ring based on digital twin and recording the digital twin model as a twin model, wherein obtaining the fault type of the intelligent collecting ring based on the operation log of the intelligent collecting ring comprises the following steps: Based on a geometric model, a physical model and a digital thread of the intelligent collecting ring, a digital twin model corresponding to the intelligent collecting ring is built by using digital twin and recorded as a twin model, wherein the geometric model comprises dimension data of all components used for building the intelligent collecting ring, the physical model comprises integrated electric contact, heat conducti