CN107957935B - Control method and device of equipment and computer readable storage medium - Google Patents
Control method and device of equipment and computer readable storage medium Download PDFInfo
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- CN107957935B CN107957935B CN201711183343.6A CN201711183343A CN107957935B CN 107957935 B CN107957935 B CN 107957935B CN 201711183343 A CN201711183343 A CN 201711183343A CN 107957935 B CN107957935 B CN 107957935B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
- G06F11/3409—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment for performance assessment
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
Abstract
The invention relates to a method and a device for controlling equipment and a computer-readable storage medium, wherein the method comprises the following steps: acquiring a current quality control scanning result and a historical quality control scanning result of the equipment; the quality control scanning result comprises at least one system parameter data used for representing the running state of the equipment; estimating the abnormal time point of the equipment according to the current quality control scanning result and the historical quality control scanning result of the equipment; determining an execution time point for correcting the equipment according to the time point when the equipment is abnormal; the execution time point is earlier than a time point when the device is abnormal. The control method of the equipment can trigger the correction program of the equipment in time, thereby effectively finding out the abnormality of the system state and ensuring the timeliness of the recovery of the system state.
Description
Technical Field
The present invention relates to the field of device control technologies, and in particular, to a device control method and apparatus, and a computer-readable storage medium.
Background
Quality Control (QC) is often required during commissioning or operation of a device, i.e., to ensure that the device is in a better working state by checking, maintaining, and correcting the performance of the device. The conventional device usually executes the QC plan periodically, so that the abnormality of the system state cannot be found timely and effectively, and the timeliness of the system state recovery cannot be guaranteed.
Disclosure of Invention
Based on this, it is necessary to provide a control method and apparatus for a device, which can timely and effectively detect the system status abnormality and ensure the timeliness of the system status recovery, and a computer-readable storage medium.
A method of controlling a device, comprising:
acquiring a current quality control scanning result and a historical quality control scanning result of the equipment; the quality control scanning result comprises at least one system parameter data used for representing the running state of the equipment;
estimating the abnormal time point of the equipment according to the current quality control scanning result and the historical quality control scanning result of the equipment; and
determining an execution time point for correcting the equipment according to the time point when the equipment is abnormal; the execution time point is earlier than a time point when the device is abnormal.
The control method of the equipment can estimate the time point when the equipment is abnormal according to the current quality control scanning result and the historical quality control scanning result of the equipment, so that the execution time point for correcting the equipment is determined according to the time point, the execution time point is set to be earlier than the time point when the equipment is abnormal, a correction program for the equipment can be triggered in time, the system state abnormality is effectively found, and the timeliness of system state recovery is guaranteed.
In one embodiment, the step of predicting a time point when the device is abnormal according to the current quality control scanning result and the historical quality control scanning result of the device includes:
determining the running state change trend of the equipment by using the historical quality control scanning result; and
and estimating the abnormal time point of the equipment according to the current quality control scanning result and the running state change trend of the equipment.
In one embodiment, the method further comprises the following steps: obtaining historical quality control scanning results of other devices of the same type as the device;
the determining the operation state change trend of the equipment by using the historical quality control scanning result comprises the following steps: and determining the operation state change trend of the equipment by utilizing the historical quality control scanning result of the equipment and the historical quality control scanning result of other equipment of the same type as the equipment.
In one embodiment, the method further comprises the following steps: and correcting the running state change trend of the equipment by using the current quality control scanning result.
In one embodiment, after the step of determining the operation state change trend of the equipment by using the historical quality control scanning result and before the step of predicting the time point of the abnormality of the equipment according to the current quality control scanning result and the operation state change trend of the equipment, the method further includes:
judging whether the current quality control scanning result of the equipment is matched with the operation state change trend; and
and when the current quality control scanning result of the equipment is matched with the running state change trend, the step of estimating the abnormal time point of the equipment according to the current quality control scanning result of the equipment and the running state change trend is executed.
In one embodiment, the method further comprises the following steps: and determining the period of quality control scanning of the equipment according to the execution time point.
In one embodiment, the method further comprises the following steps:
acquiring at least one system parameter data related to the running state of the equipment and a quality control scanning triggering condition corresponding to the system parameter data; and
and when the system parameter data meet the quality control scanning triggering condition, performing quality control scanning on the equipment.
In one embodiment, the method further comprises the following steps: and sending out a prompt for reserving execution of quality control scanning when the system parameter data does not meet the quality control scanning triggering condition.
A control apparatus for a device, comprising:
the scanning unit is used for carrying out quality control scanning;
the acquisition unit is used for acquiring the current quality control scanning result and the historical quality control scanning result of the scanning unit, and the quality control scanning result comprises at least one system parameter data used for representing the running state of the equipment; and
and the control unit is used for predicting the abnormal time point of the equipment according to the current quality control scanning result and the historical quality control scanning result of the equipment, and determining an execution time point for correcting the equipment according to the abnormal time point of the equipment, wherein the execution time point is earlier than the abnormal time point of the equipment.
A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, is operative to perform the method of any of the preceding embodiments.
Drawings
FIG. 1 is a flow chart of a method of controlling a device in one embodiment;
FIG. 2 is a detailed flowchart of step S120 in FIG. 1 in one embodiment;
FIG. 3 is a detailed flowchart of step S120 in FIG. 1 in another embodiment;
fig. 4 is a partial flowchart of a control method of the apparatus in another embodiment;
fig. 5 is a block diagram of a control device of the apparatus in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 is a flowchart of a control method of a device in an embodiment, where the control method of the device (hereinafter referred to as the control method) may be used to perform detection control on an operation state of the device. The device in this context may be a medical device (e.g., a medical imaging device) or the like that needs to be maintained, repaired, and corrected to ensure its proper operation. The device may be integral or local to an apparatus.
Referring to fig. 1, the control method includes the steps of:
step S110, obtaining the current quality control scanning result and the historical quality control scanning result of the equipment.
At the beginning of the operation of the equipment or during the operation process, the operation state of the equipment needs to be subjected to quality control scanning to obtain system parameter data capable of representing the operation state of the equipment. Quality Control as referred to herein is an abbreviation for Quality Control (QC). The system parameter data may be one kind or plural kinds. That is, the quality control scan results include at least one system parameter data that characterizes an operational state of the device. After the equipment is subjected to quality control scanning, the quality control scanning results of each time are stored to form historical quality control scanning results. The current quality control scanning result and the historical quality control scanning result of the equipment can be automatically obtained through data communication between the equipment. In other embodiments, the quality control scanning result may also be manually input, and only corresponding input equipment needs to be provided at this time.
And step S120, estimating the abnormal time point of the equipment according to the current quality control scanning result and the historical quality control scanning result of the equipment.
Specifically, based on data analysis of historical quality control scanning results of the equipment, the change trend of the equipment in a period of time in the future can be obtained, and therefore the time point of the system state abnormity can be estimated according to the current quality control scanning results and the change trend.
Step S130, determining the execution time point for correcting the equipment according to the time point of the equipment abnormity.
When it is estimated that the device may be abnormal, the device needs to be corrected. In this embodiment, the execution time point for correcting the device is adjusted according to the time point when the device is abnormal, so that the finally determined execution time point is earlier than the estimated time point when the device is abnormal, the device can be corrected in time before the device fails, intervention can be performed in advance so that the device can autonomously perform correction in advance to complete state restoration or actively coordinate by a user, and corresponding economic loss is reduced to the minimum. The time when the execution time point is earlier than the abnormal time point of the device may be set as required, for example, set to be one month earlier, and the like.
The control method of the equipment can estimate the time point when the equipment is abnormal according to the current quality control scanning result and the historical quality control scanning result of the equipment, so that the execution time point for correcting the equipment is determined according to the time point, the execution time point is set to be earlier than the time point when the equipment is abnormal, a correction program for the equipment can be triggered in time, the system state abnormality is effectively found, and the timeliness of system state recovery is guaranteed.
In an embodiment, the control method is executed after each quality control scan is executed, so that the time point of the equipment abnormality can be estimated again according to each quality control scan result and the historical quality control scan result. With the increase of the quality control scanning times, the more the data of the obtained historical quality control scanning results are, so that the data analysis result is more accurate, and the estimated time point of the equipment abnormality is more accurate finally. Therefore, the determined execution time point can be ensured to be before the time point of the abnormality of the equipment, and the influence of the abnormality caused by the change of the equipment state on the normal work of the equipment can be reduced as much as possible in a mode of equipment autonomous intervention or manual early warning. The control method is particularly suitable for timely finding some faults of the equipment with a slow change rule, so that the equipment is timely corrected before the abnormity occurs, the normal work of the equipment is maintained, the timely recovery of the equipment state is ensured, and the work influence on the equipment caused by the slow change of the equipment state is reduced to the greatest extent.
In an embodiment, step S120 may be implemented by the flow shown in fig. 2, which specifically includes the following steps:
and step S210, determining the running state change trend of the equipment by using the historical quality control scanning result.
The operation state change trend of the equipment can be determined by data fitting and the like. Taking a PET (positron emission tomography) as an example, through continuous tracking of a PET active quality control scanning result, when the accumulation of active quality control scanning data reaches more than a certain number of times, a data fitting analysis function can be started. The PET active quality control scanning result comprises at least one of the following information: information characterizing crystal position drift; information characterizing crystal energy drift, information characterizing system time correction drift, and the like. Usually, the change of the system parameter data in the quality control scanning result should be slow and regular under the condition that the system continuously and normally works. Therefore, the existing historical quality control scanning result (scattered data) can be processed in a data fitting (such as linear fitting) mode, and the correctness of the fitting trend is ensured through parameter adjustment, so that the current running state change trend of the equipment is obtained. The change of the running state of the equipment can be intuitively fed back by fitting a curve. In an embodiment, the fitted curve may also be displayed through an interactive interface, so as to facilitate a user to monitor the operation state of the device.
In an embodiment, the method may further comprise the step of obtaining historical quality control scan results of other devices of the same type as the device. Therefore, in step S210, the operation state change trend of the equipment can be determined by using the historical quality control scanning results of the equipment and other equipment of the same type as the equipment. The same type in this embodiment may be the same type and specification of equipment, and may also be the equipment with the same operating state. Through the historical quality control scanning results of other devices of the same type, the data volume for data analysis can be increased, so that the finally estimated abnormal time point of the devices is ensured to have higher accuracy, and the quality control scanning is further accurately carried out.
And step S230, estimating the abnormal time point of the equipment according to the current quality control scanning result and the running state change trend of the equipment.
After the change trend of the running state of the equipment is determined, the time point of the equipment abnormality can be estimated according to the current quality control scanning result of the equipment and the change trend of the running state. That is, the current drift threshold of the system parameter data (drift threshold refers to a deviation from a standard value or a reference value) can be determined according to the system parameter data in the current quality control scanning result, so that the time point required by the system to exceed the threshold (the system parameter data corresponding to the occurrence of the abnormality) is calculated according to the drift threshold.
In an embodiment, the control method further includes: and correcting the running state change trend of the equipment by using the current quality control scanning result. Because the running state change of the equipment is dynamic, each quality control scanning result can be used as basic data for data fitting, and the finally obtained running state change trend is corrected so as to improve the accuracy of the running state change trend. In one embodiment, the modified operating state change trend may be stored, thereby facilitating direct recall during the next control process.
In an embodiment, a step S220 is further included between the steps S210 and S230, as shown in fig. 3. Step S220: and judging whether the current quality control scanning result of the equipment is matched with the variation trend of the running state.
When the current quality control scanning result of the equipment is not matched with the determined operation state change trend of the equipment, the condition of the equipment is indicated to have abrupt change or the operation state change trend of the equipment determined according to the historical quality control scanning result is wrong. Therefore, step S230 is executed only when the current quality control scanning result of the device matches the determined operation state change trend of the device, otherwise step S240 is executed.
In step S240, the operation state change tendency is corrected.
When the current quality control scanning result of the equipment is not matched with the determined running state change trend of the equipment, whether the current quality control scanning result of the equipment has abrupt change or not is further judged, and if not, the determined running state change trend is corrected by using the current quality control scanning result. If the current quality control scanning result of the equipment has abrupt change, judging whether the system is abnormal or not, correcting or maintaining the equipment in time when the system is abnormal, waiting for executing the next quality control scanning when the system is not abnormal, and improving the accuracy of the determined running state change trend of the equipment by continuing to accumulate data.
In one embodiment, after the device is corrected at the execution time point, a new round of state monitoring of the device is continued. The new round of state monitoring can still utilize the previous accumulated historical quality control scanning results, and the continuous fitting can enable the finally obtained running state change trend of the equipment, namely the fitting curve, to be more accurate.
In an embodiment, after determining the execution time point, the method may further include the steps of: and determining the period of quality control scanning of the equipment according to the execution time point. Specifically, the period of the quality control scanning is appropriately adjusted according to the distance between the execution time point and the current time point. For example, when the execution time point is far from the current time point, the period of the quality control scanning can be appropriately prolonged, and otherwise, the period of the quality control scanning can be shortened. By adjusting the period of quality control scanning, resource waste caused by the fact that the same quality control scanning period is executed for equipment with different use frequencies, use environments, operation habits and differences of the system can be avoided, and the system maintenance cost is reduced.
In one embodiment, the method further comprises the following steps, as shown in fig. 4.
Step S310, at least one system parameter data related to the operation state of the device and a quality control scanning trigger condition corresponding to the system parameter data are obtained.
The quality control scanning triggering condition is a condition for triggering quality control scanning on the equipment, namely when the system parameter data meets the quality control scanning triggering condition, the quality control scanning is automatically triggered. In order to ensure that the abnormality of the equipment can be found in time, the quality control scanning triggering condition is within the allowable operation state range of the equipment, but not in the state when the abnormality occurs.
Step S320, determining whether the system parameter data satisfies the quality control scanning triggering condition.
And executing step S330 when the system parameter data meets the quality control scanning triggering condition, otherwise executing step S340.
And step S330, performing quality control scanning on the equipment.
Step S340, sending out a reminder whether to reserve execution of quality control scanning.
When the system parameter data does not meet the quality control scanning triggering condition, a prompt of whether the quality control scanning is reserved to be executed or not can be sent to a user through the interactive interface, or the prompt is sent to an intelligent terminal of the user such as a mobile phone, a tablet and the like through the communication unit. After receiving the prompt, the user can manually reserve the time of the next quality control scanning, or not set the time. When the user does not reserve to carry out the next quality control scanning, the running state of the equipment is continuously monitored so as to timely predict the abnormity of the equipment state, thereby timely triggering the automatic state diagnosis or manual intervention mechanism of the equipment, ensuring the timely recovery of the equipment state and reducing the working influence on the equipment caused by the slow change of the equipment state to the greatest extent.
An embodiment of the present invention further provides a control device of an apparatus, where the control device may be used to implement the control method. The control device may be a device located at an equipment end, or may be an intelligent terminal (such as a mobile phone, a tablet, a computer, etc.) at a user end. When the control device is realized through the intelligent terminal of the user end, the user can conveniently control the operation process of the equipment. Fig. 5 is a block diagram of a control device in an embodiment, which includes a scanning unit 410, an obtaining unit 420, and a control unit 430.
The scanning unit 410 is used for quality control scanning. The scanning unit 410 can periodically perform quality control scanning, trigger quality control scanning according to preset trigger conditions by the system, or perform quality control scanning under the control of a user.
The obtaining unit 420 is configured to obtain a current quality control scanning result and a historical quality control scanning result of the device. The quality control scanning result comprises at least one system parameter data used for representing the running state of the equipment.
The control unit 430 is configured to estimate a time point when the device is abnormal according to a current quality control scanning result and a historical quality control scanning result of the device, and determine an execution time point for correcting the device according to the time point when the device is abnormal.
The control device of the equipment can determine the time point when the equipment is abnormal according to the current quality control scanning result and the historical quality control scanning result of the equipment, so that the execution time point for correcting the equipment is determined according to the time point, the execution time point is set to be earlier than the time point when the equipment is abnormal, a correction program for the equipment can be triggered in time, the system state is effectively found to be abnormal, and the timeliness of system state recovery is guaranteed.
In an embodiment, the scanning unit 410 performs the quality control scanning periodically, so that the control device can estimate the time point of the abnormality of the equipment again according to the quality control scanning result after each execution and the historical quality control result. With the increase of the quality control scanning times, the more the data of the obtained historical quality control scanning results are, so that the data analysis result is more accurate, and the estimated time point of the equipment abnormality is more accurate finally. Therefore, the determined execution time point can be ensured to be before the time point of the abnormality of the equipment, and the influence of the abnormality caused by the change of the system state on the normal work of the equipment can be reduced as much as possible by the mode of autonomous intervention of the equipment or early warning of manpower. The control device is particularly suitable for timely finding some faults of the equipment with a slow change rule, so that the equipment is timely corrected before the abnormity occurs, the normal work of the equipment is maintained, the timely recovery of the equipment state is ensured, and the work influence on the equipment caused by the slow change of the equipment state is reduced to the maximum extent.
In an embodiment, the control unit 430 is further configured to determine an operation state change trend of the device by using the historical quality control scanning result, so as to estimate a time point of the device where the abnormality occurs according to the current quality control scanning result and the operation state change trend of the device.
In an embodiment, the obtaining unit 420 is further configured to obtain historical quality control scanning results of other devices of the same type as the device, and at this time, the control unit may determine the operation state variation trend of the device by using the historical quality control scanning results of the device and the other devices of the same type as the device, and further estimate a time point when the device is abnormal according to the current quality control scanning result and the operation state variation trend of the device.
In an embodiment, the control unit 430 is further configured to correct the operation state variation trend of the device by using the current quality control scanning result. Because the running state change of the equipment is dynamic, each quality control scanning result can be used as basic data for data fitting, and the finally obtained running state change trend is corrected so as to improve the accuracy of the running state change trend. In an embodiment, the control device further includes a storage unit. The storage unit can store the modified running state change trend, so that the running state change trend can be directly called in the next control process conveniently.
In an embodiment, the control unit 430 is further configured to determine whether the current quality control scanning result of the device matches the operation state change trend after determining the operation state change trend of the device by using the historical quality control scanning result, and estimate a time point of the device where an abnormality occurs according to the current quality control scanning result and the operation state change trend of the device only when the current quality control scanning result of the device matches the determined operation state change trend of the device, otherwise, the operation state change trend needs to be corrected.
In an embodiment, after determining the execution time point, the control unit 430 further determines a period of performing quality control scanning on the device according to the execution time point. Specifically, the period of the quality control scanning is appropriately adjusted according to the distance between the execution time point and the current time point. For example, when the execution time point is far from the current time point, the period of the quality control scanning can be appropriately prolonged, and otherwise, the period of the quality control scanning can be shortened. By adjusting the period of quality control scanning, resource waste caused by the fact that the same quality control scanning period is executed for equipment with different use frequencies, use environments, operation habits and differences of the system can be avoided, and the system maintenance cost is reduced.
In an embodiment, the obtaining unit 420 is further configured to obtain at least one system parameter data related to the operation state of the apparatus and a quality control scan trigger condition corresponding to the system parameter data. The control unit 430 is configured to determine whether the system parameter data meets a quality control scanning trigger condition, and control the scanning unit 410 to perform quality control scanning on the device when the system parameter data meets the quality control scanning trigger condition, otherwise send a prompt indicating whether to reserve execution of the quality control scanning. In an embodiment, the control device further includes an interactive interface, and the reminder can be output through the interactive interface for the user to view. In another embodiment, the control device may further include a communication unit. The communication unit can be in wireless communication with the intelligent terminal of the user, such as a mobile phone, a tablet and the like, so that the prompt is sent to the user. It is to be understood that the control device may output the quality control scan result, the processing result, and the like acquired in the control process to the user.
An embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, can be used to execute the control method in any of the foregoing embodiments.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A method of controlling a device, comprising:
acquiring a current quality control scanning result and a historical quality control scanning result of the equipment; the quality control scanning result comprises at least one system parameter data used for representing the running state of the equipment;
estimating the abnormal time point of the equipment according to the current quality control scanning result and the historical quality control scanning result of the equipment; and
determining an execution time point for correcting the equipment according to the time point of the equipment with the abnormality; the execution time point is earlier than the time point of the abnormality of the equipment;
and determining the period of quality control scanning of the equipment according to the execution time point.
2. The method of claim 1, wherein the step of estimating a time point of the abnormality of the equipment according to the current quality control scanning result and the historical quality control scanning result of the equipment comprises:
determining the running state change trend of the equipment by using the historical quality control scanning result; and
and estimating the abnormal time point of the equipment according to the current quality control scanning result and the running state change trend of the equipment.
3. The method of claim 2, further comprising: obtaining historical quality control scanning results of other devices of the same type as the device;
the determining the operation state change trend of the equipment by using the historical quality control scanning result comprises the following steps: and determining the operation state change trend of the equipment by utilizing the historical quality control scanning result of the equipment and the historical quality control scanning result of other equipment of the same type as the equipment.
4. The method of claim 2, further comprising: and correcting the running state change trend of the equipment by using the current quality control scanning result.
5. The method according to claim 2, wherein after the step of determining the operation state change trend of the equipment by using the historical quality control scanning result and before the step of predicting the abnormal time point of the equipment according to the current quality control scanning result and the operation state change trend of the equipment, the method further comprises the following steps:
judging whether the current quality control scanning result of the equipment is matched with the operation state change trend; and
and when the current quality control scanning result of the equipment is matched with the running state change trend, the step of estimating the abnormal time point of the equipment according to the current quality control scanning result of the equipment and the running state change trend is executed.
6. The method of claim 1, further comprising:
acquiring at least one system parameter data related to the running state of the equipment and a quality control scanning triggering condition corresponding to the system parameter data; and
and when the system parameter data meet the quality control scanning triggering condition, performing quality control scanning on the equipment.
7. The method of claim 6, further comprising: and sending out a prompt for reserving execution of quality control scanning when the system parameter data does not meet the quality control scanning triggering condition.
8. A control apparatus of a device, characterized by comprising:
the scanning unit is used for carrying out quality control scanning;
the acquisition unit is used for acquiring the current quality control scanning result and the historical quality control scanning result of the scanning unit, and the quality control scanning result comprises at least one system parameter data used for representing the running state of the equipment; and
the control unit is used for predicting the abnormal time point of the equipment according to the current quality control scanning result and the historical quality control scanning result of the equipment and determining the execution time point for correcting the equipment according to the abnormal time point of the equipment, wherein the execution time point is earlier than the abnormal time point of the equipment;
and the scanning unit also determines the period of quality control scanning on the equipment according to the execution time point.
9. The apparatus of claim 8, wherein the control unit is further configured to determine a trend of the operating state of the device using the historical quality control scan results; and
and estimating the abnormal time point of the equipment according to the current quality control scanning result and the running state change trend of the equipment.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, is adapted to carry out the method of any one of claims 1 to 7.
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