CN116151806A - Management system and management device for equipment maintenance service - Google Patents
Management system and management device for equipment maintenance service Download PDFInfo
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Abstract
The invention provides a management system and a management device for equipment maintenance service, wherein the management system comprises: the range presumption module is used for presuming the presumption moving range when the corresponding operator fills up the fault filling information; the work order generation module is used for judging whether the fault filling information is abnormal or not based on the management range and the presumption moving range of an operator and the position of fault equipment, and generating a maintenance work order based on the fault filling information without the abnormality; the work order execution module is used for sending the maintenance work order to a maintenance group of the fault equipment and tracking the maintenance progress of the maintenance group to obtain a real-time maintenance flow tree; the association maintenance module is used for carrying out association point maintenance on the fault equipment to obtain association maintenance results; the work list case module is used for case-setting the maintenance work list based on the real-time maintenance flow tree and the associated maintenance result to obtain an equipment maintenance result; the system is used for realizing the full-flow high-efficiency management of work order checking and generating, task allocation, progress tracking and automatic case setting links of equipment maintenance service.
Description
Technical Field
The invention relates to the technical field of maintenance service management, in particular to a management system and management equipment for equipment maintenance service.
Background
The management of equipment maintenance service involves a plurality of links such as work order registration, maintenance task allocation, progress tracking, investigation and approval of a case. Currently, due to the many drawbacks of manual management of equipment repair services, various intelligent software or systems have gradually been replaced.
For example, publication number CN108875977B provides a blockchain-based multi-mechanism maintenance management system for performing maintenance management on a plurality of devices, comprising: a plurality of repair terminals; a plurality of maintenance terminals; and a management device, wherein the repair side block control part controls the repair side block generation part to form a to-be-repaired block part, the management side block analysis part searches the equipment information and the terminal information contained in the to-be-repaired block part, the search judgment part searches to obtain the corresponding equipment information and judges whether the corresponding equipment information is consistent, the repair completion information containing a time stamp is generated when the corresponding equipment information is judged to be consistent, the management side block generation part forms a repaired block, the repair side block analysis part analyzes the repair completion information, the equipment information and the repair content in the repaired block, the repair side input display part displays a repair display picture and displays the equipment information and the repair content in the repair display picture, thereby enabling a serviceman to select equipment needing to be repaired, and for example, a patent with publication number of CN104794552B provides a repair service real-time monitoring system related to equipment repair service provided by a service provider to a user, and is characterized in that the repair side input display part displays a repair display picture and the repair content, and the repair service device management device comprises: a center management device; and a real-time monitoring management device, wherein the central management device comprises: the user information storage unit, the input unit, the search unit, the maintenance content information generation unit, and the center-side communication unit are provided with: a monitoring side communication part, a maintenance record generating part and a display part for displaying the generated maintenance record and displaying the current working state of the maintenance personnel in the maintenance record in real time according to the real-time state information; the monitoring control part carries out arrival monitoring judgment on whether the maintenance personnel arrives at the user position within the response time threshold according to the report receiving time, the response time threshold and the real-time state information, and when the maintenance personnel does not arrive, the control display part carries out response warning display on the corresponding maintenance record.
However, the above patent only realizes automation of one or more links of work order checking and repair, maintenance task allocation, progress tracking and investigation and approval, but cannot realize whole-course flow management of equipment maintenance service, and the accuracy of checking repair information is not high only based on equipment information and terminal information.
Therefore, the invention provides a management system and management equipment for equipment maintenance service.
Disclosure of Invention
The invention provides a management system and management equipment for equipment maintenance service, which are used for presuming a presumption movement range corresponding to the time of the operator for filling fault filling information based on the real-time position of a source mobile terminal of the fault filling information in a preset period, realizing high-precision checking of the fault filling information based on the management range and the presumption movement range of the operator and the position of fault equipment, and realizing the full-flow high-efficiency supervision and management of the links of work order checking and generation, task allocation, progress tracking and automatic case making in the equipment maintenance service based on a work order generation module, a work order execution module, an associated maintenance module and a work order case module.
The invention provides a management system for equipment maintenance service, comprising:
The range presumption module is used for presuming the presumption moving range when the corresponding operator fills the fault filling information based on the real-time position of the source mobile terminal of the fault filling information in a preset period;
the work order generation module is used for judging whether the fault filling information is abnormal or not based on the management range and the presumption moving range of an operator and the position of fault equipment, and generating a maintenance work order based on the fault filling information without the abnormality;
the work order execution module is used for sending the maintenance work order to a maintenance group of the fault equipment, tracking the maintenance progress of the maintenance group and obtaining a real-time maintenance flow tree;
the associated maintenance module is used for carrying out associated point maintenance on the fault equipment based on the maintenance work order, the state information and the working information of the fault equipment to obtain an associated maintenance result;
and the work list case module is used for case-setting the maintenance work list based on the real-time maintenance flow tree and the associated maintenance result to obtain the equipment maintenance result.
Preferably, the work order generation module includes:
the position determining unit is used for receiving fault filling information input by an operator in a preset record library in real time and determining the position of fault equipment based on the fault filling information;
The position judging unit is used for judging whether the management range of the operator corresponding to the source mobile terminal of the fault filling information contains the corresponding fault equipment position, if so, judging whether the minimum distance between the estimated mobile range and the fault equipment position is within the tolerance distance, if so, judging that the fault filling information is not abnormal, and generating a maintenance work order based on the fault filling information;
the abnormality reminding unit is used for sending out an abnormality reminding instruction of the filling information when the management range of the operator corresponding to the source mobile terminal of the filling information does not contain the corresponding fault equipment position or the minimum distance between the presumed mobile range and the fault equipment position is not within the tolerance distance.
Preferably, the range estimation module includes:
the sending out time determining unit is used for determining the sending out time of the maintenance work order based on the transmission time of the maintenance work order and the receiving time of the maintenance work order;
the speed curve generating unit is used for generating a moving speed curve based on the real-time position of the source mobile terminal of the fault filling information in a preset period;
the first moment determining unit is used for determining a first abrupt change moment with the smallest time interval between the moment of sending the maintenance work order and the moment of sending the maintenance work order in the moving speed curve;
The second time determining unit is used for determining the maximum filling time based on the text quantity of the maintenance work order and determining the estimated starting filling time based on the maximum filling time and the sending time of the maintenance work order;
a minimum interval determination unit configured to determine, as an initial estimation filling period, a minimum interval time among interval times between all the abrupt times before the estimation start filling time and the estimation start filling time in the movement rate curve, taking a period from the estimation start filling time to the first abrupt time;
a filling period determining unit, configured to calculate a duration deviation ratio based on the minimum interval time and the initial estimated filling period, determine whether the duration deviation ratio exceeds a deviation ratio threshold, if so, regard a period from a third abrupt change time corresponding to the minimum interval time to the first abrupt change time as a final estimated filling period, and if not, regard the initial estimated filling period as a final estimated filling period;
and the mobile range presumption unit is used for presuming the presumption mobile range corresponding to the time of the operator for reporting the fault report information based on the real-time position of the source mobile terminal of the fault report information in the presumption report period.
Preferably, the movement range estimation unit includes:
the first generation subunit is used for acquiring all historical movement tracks of the source movement end of the fault filling information, determining a plurality of first calibration points in the historical movement tracks based on preset intervals, and generating a first tangential vector sequence based on tangential vectors of the historical movement tracks at all the first calibration points;
the second generation subunit is used for generating a range track to be corrected based on the real-time position of the source mobile terminal of the fault filling information in the presumed filling period, determining a plurality of second calibration points in the range track to be corrected based on preset intervals, and generating a second tangent vector sequence based on the tangent vector of the range track to be corrected at each second calibration point;
a sequence determining subunit, configured to determine, from the first tangent vector sequences of all the historical movement tracks, all third tangent vector sequences that are consistent with the total number of tangent vectors of the second tangent vector sequences;
a sequence screening subunit, configured to screen, based on the second tangent vector sequence and the similarity of each third tangent vector sequence, a fourth tangent vector sequence corresponding to the maximum similarity from all third tangent vector sequences;
and the range correction subunit is used for correcting the range track to be corrected based on the second tangent vector sequence and the fourth tangent vector sequence to obtain the estimated moving range corresponding to the time when the operator fills the fault filling information.
Preferably, the method for correcting the range trajectory to be corrected by the range corrector unit based on the second tangent vector sequence and the fourth tangent vector sequence to obtain the estimated moving range when the corresponding operator fills the fault filling information includes:
simultaneously deleting head end tangent vectors of the second tangent vector sequence and the fourth tangent vector sequence, and judging whether the similarity of the new second tangent vector sequence and the fourth tangent vector sequence obtained after each deletion is greater than the similarity of the second tangent vector sequence and the fourth tangent vector sequence before deletion;
if yes, continuing to delete the head end tangent vector of the latest second tangent vector sequence and the latest fourth tangent vector sequence at the same time until the similarity of the new second tangent vector sequence and the new fourth tangent vector sequence obtained after deletion is not greater than the similarity of the second tangent vector sequence and the fourth tangent vector sequence before deletion, stopping deletion, and reserving the second tangent vector sequence and the fourth tangent vector sequence before the last deletion, otherwise, stopping deletion, and reserving the second tangent vector sequence and the fourth tangent vector sequence before deletion;
and correcting the track of the range to be corrected based on the second tangent vector sequence and the fourth tangent vector sequence obtained after the deletion is stopped, and obtaining the estimated moving range corresponding to the time when the operator fills the fault filling information.
Preferably, the method for correcting the track of the range to be corrected based on the second tangent vector sequence and the fourth tangent vector sequence obtained after stopping the deletion to obtain the estimated moving range when the corresponding operator fills up the fault filling information comprises the following steps:
simultaneously deleting tail end tangent vectors of the second tangent vector sequence and the fourth tangent vector sequence which are obtained at present, and judging whether the similarity of the new second tangent vector sequence and the new fourth tangent vector sequence which are obtained after each deletion is larger than the similarity of the second tangent vector sequence and the fourth tangent vector sequence before deletion;
if yes, continuing to delete the tail end tangent vectors of the latest second tangent vector sequence and the latest fourth tangent vector sequence at the same time until the similarity of the new second tangent vector sequence and the new fourth tangent vector sequence obtained after deletion is not greater than the similarity of the second tangent vector sequence and the fourth tangent vector sequence before deletion, and taking the partial track range of the second tangent vector sequence before the last deletion in the track of the range to be corrected as the estimated moving range when corresponding operators report fault filling information;
otherwise, taking the partial track range of the second tangent vector sequence in the track of the range to be corrected as the estimated moving range when the corresponding operator fills the fault filling information.
Preferably, the work order execution module includes:
the group determining unit is used for determining a maintenance group of the fault equipment based on the preset configuration and the maintenance work order;
the maintenance communication unit is used for sending the maintenance work order to member communication ends in the maintenance group of the fault equipment and receiving maintenance information input by all member communication ends in real time;
the progress extraction unit is used for determining the maintenance progress in real time based on all the maintenance information;
and the process tree production unit is used for generating a real-time maintenance process tree based on the maintenance progress.
Preferably, the associated maintenance module comprises:
the fault point determining unit is used for determining a fault point of the fault equipment based on the maintenance work order;
the association point determining unit is used for determining association points to be detected in the fault equipment based on the state information and the working information of the fault equipment and the fault points;
and the associated maintenance unit is used for maintaining the associated points to be detected to obtain associated maintenance results.
Preferably, the work single case module comprises:
the approval ticket generating unit is used for generating a case approval ticket based on the real-time maintenance flow tree and the associated maintenance result when the maintenance work ticket is judged to be executed by the maintenance group based on the real-time maintenance flow tree;
And the examination and approval case setting unit is used for sequentially transmitting the case setting and approval orders to the examination and approval movable terminals in the examination and approval process to examine and approve the case setting and approval orders, performing case setting operation on the maintenance work orders until the case setting and approval orders are approved by all the examination and approval movable terminals in the examination and approval process, and obtaining the equipment maintenance result.
The present invention provides an equipment maintenance service management device equipped with the equipment maintenance service management system according to any one of embodiments 1 to 9.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of a management system for equipment maintenance service according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a worksheet generation module in an embodiment of the present invention;
FIG. 3 is a schematic diagram of a range estimation module according to an embodiment of the present invention;
fig. 4 is a schematic workflow diagram of a management system for equipment maintenance service according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Example 1:
the present invention provides a management system for equipment maintenance service, referring to fig. 1 and 4, comprising:
the range presumption module is used for presuming the presumption moving range when the corresponding operator fills the fault filling information based on the real-time position of the source mobile terminal of the fault filling information in a preset period;
the work order generation module is used for judging whether the fault filling information is abnormal or not based on the management range and the presumption moving range of an operator and the position of fault equipment, and generating a maintenance work order based on the fault filling information without the abnormality;
the work order execution module is used for sending the maintenance work order to a maintenance group of the fault equipment, tracking the maintenance progress of the maintenance group and obtaining a real-time maintenance flow tree;
The associated maintenance module is used for carrying out associated point maintenance on the fault equipment based on the maintenance work order, the state information and the working information of the fault equipment to obtain an associated maintenance result;
and the work list case module is used for case-setting the maintenance work list based on the real-time maintenance flow tree and the associated maintenance result to obtain the equipment maintenance result.
In this embodiment, the fault filling information is related information (such as fault result, fault time, fault equipment number, type, etc.) of the fault equipment input by the operator contained in the preset record library (i.e. the database for storing the operator communication end that can input the fault filling information in the equipment maintenance service management system in this embodiment).
In this embodiment, the source mobile terminal is the mobile terminal (such as mobile phone, PAD, PDA, etc.) that inputs the corresponding fault report information.
In this embodiment, the preset period is a period of a source mobile terminal that is preset to obtain the fault filling information.
In this embodiment, the real-time location is the location of the mobile terminal from which the fault report information is determined in real time.
In this embodiment, the estimated movement range is a position movement range of the operator when the operator fills the fault filling information based on the real-time position of the source mobile terminal of the fault filling information within the preset period.
In this embodiment, the management range is a range formed by the positions of the devices managed by the operator.
In this embodiment, the location of the failed device is the location of the device that is currently failed based on the failure filling information.
In this embodiment, the maintenance work order is a work order including related information of the fault device automatically generated based on the fault filling information without abnormality.
In this embodiment, the maintenance group is a group formed by all maintenance staff members that need to complete all maintenance tasks corresponding to the maintenance work order.
In this embodiment, the maintenance schedule is information including the currently completed maintenance task, the incomplete maintenance task, and the maintenance task being performed.
In this embodiment, the real-time maintenance flow tree is a tree structure representing the whole flow and the current progress of the maintenance task executed by the maintenance group generated based on the maintenance progress of the maintenance group obtained by tracking.
In this embodiment, the state information is the current state information of the faulty device, and may be obtained by filling by a maintenance staff, or may be obtained based on automatic acquisition of the device automatic supervision device.
In this embodiment, the working information is production performance information of the fault equipment obtained by retrieving the associated production systems such as MES.
In this embodiment, the maintenance of the association point is an operation of performing maintenance on other components or parts of the fault device except for the current fault point in the fault filling information.
In this embodiment, the associated maintenance result is a result obtained after performing associated point maintenance on the fault device based on the maintenance work order and the state information of the fault device and the working information.
In this embodiment, the equipment maintenance result is a result obtained after the maintenance work order is finalized based on the real-time maintenance flow tree and the associated maintenance result.
In this embodiment, the management system for equipment maintenance service in this embodiment further includes a maintenance experience library and an associated system unit, where the maintenance experience library is used to store a maintenance work order, a real-time maintenance flow tree and an associated maintenance result generated each time, the maintenance experience library supports screening and retrieving so as to reuse and inherit the maintenance experience, and the associated system unit includes an associated spare part management unit module, for example, a spare part required to be replaced or newly added for maintenance, and performs spare part pickup and audit, associated point inspection and maintenance management, retrieving the state and operation information of the equipment, associating production systems such as MES, and retrieving production performance information of the equipment; the management system for equipment maintenance service supports information synchronization of the web terminal and the APP terminal, supports web terminal operation and auditing, supports on-site operators to use tools such as mobile phones, PAD, PDA and the like to carry out mobile operation, and improves the convenience of operation.
The beneficial effects of the technology are as follows: the method comprises the steps of estimating the estimated movement range of a corresponding operator when the operator fills the fault filling information based on the real-time position of the source mobile terminal of the fault filling information in a preset period, realizing high-precision checking of the fault filling information based on the management range and the estimated movement range of the operator and the position of fault equipment, and realizing the full-flow high-efficiency supervision and management of work order checking and generation, task allocation, progress tracking and automatic case setting links in equipment maintenance service based on a work order generation module, a work order execution module, an associated maintenance module and a work order case module.
Example 2:
on the basis of embodiment 1, the work order generation module, referring to fig. 2, includes:
the position determining unit is used for receiving fault filling information input by an operator in a preset record library in real time and determining the position of fault equipment based on the fault filling information;
the position judging unit is used for judging whether the management range of the operator corresponding to the source mobile terminal of the fault filling information contains the corresponding fault equipment position, if so, judging whether the minimum distance between the estimated mobile range and the fault equipment position is within the tolerance distance, if so, judging that the fault filling information is not abnormal, and generating a maintenance work order based on the fault filling information;
The abnormality reminding unit is used for sending out an abnormality reminding instruction of the filling information when the management range of the operator corresponding to the source mobile terminal of the filling information does not contain the corresponding fault equipment position or the minimum distance between the presumed mobile range and the fault equipment position is not within the tolerance distance.
In this embodiment, the minimum distance between the estimated movement range and the location of the faulty device is: the minimum value among the distances between all the position points in the movement range and the position of the faulty device is presumed.
In this embodiment, the tolerance distance is a preset maximum value that can allow the minimum distance between the estimated movement range and the location of the faulty device.
In this embodiment, the instruction for prompting the abnormality of the filled information is an instruction for prompting the abnormality of the filled information input by the corresponding operator, which is sent to the source mobile terminal of the filled information.
The beneficial effects of the technology are as follows: by judging whether the management range of the operator corresponding to the source mobile terminal of the fault filling information contains the corresponding fault equipment position or not and whether the minimum distance between the presumed mobile range and the fault equipment position is within the tolerance distance or not, judging whether the fault filling information is abnormal or not, and further realizing high-precision checking of the fault filling information.
Example 3:
on the basis of embodiment 1, the range estimation module, referring to fig. 3, includes:
the sending out time determining unit is used for determining the sending out time of the maintenance work order based on the transmission time of the maintenance work order and the receiving time of the maintenance work order;
the speed curve generating unit is used for generating a moving speed curve based on the real-time position of the source mobile terminal of the fault filling information in a preset period;
the first moment determining unit is used for determining a first abrupt change moment with the smallest time interval between the moment of sending the maintenance work order and the moment of sending the maintenance work order in the moving speed curve;
the second time determining unit is used for determining the maximum filling time based on the text quantity of the maintenance work order and determining the estimated starting filling time based on the maximum filling time and the sending time of the maintenance work order;
a minimum interval determination unit configured to determine, as an initial estimation filling period, a minimum interval time among interval times between all the abrupt times before the estimation start filling time and the estimation start filling time in the movement rate curve, taking a period from the estimation start filling time to the first abrupt time;
a filling period determining unit, configured to calculate a duration deviation ratio based on the minimum interval time and the initial estimated filling period, determine whether the duration deviation ratio exceeds a deviation ratio threshold, if so, regard a period from a third abrupt change time corresponding to the minimum interval time to the first abrupt change time as a final estimated filling period, and if not, regard the initial estimated filling period as a final estimated filling period;
And the mobile range presumption unit is used for presuming the presumption mobile range corresponding to the time of the operator for reporting the fault report information based on the real-time position of the source mobile terminal of the fault report information in the presumption report period.
In this embodiment, the transmission time of the maintenance work order is calculated based on the text amount of the maintenance work order and the preset transmission efficiency, that is: and taking the product of the text quantity of the maintenance work order and the preset transmission efficiency of the unit text quantity as the transmission time of the maintenance work order.
In this embodiment, the sending time is the time obtained by subtracting the transmission time from the receiving time of the maintenance work order.
In this embodiment, the movement rate curve is a curve representing the real-time movement rate of the source mobile terminal of the fault report information in a preset period.
In this embodiment, the time of the abrupt change is the time of the abrupt change of the moving speed in the moving speed curve.
In this embodiment, the first abrupt change time is an abrupt change time with the smallest time interval between the first abrupt change time and the sending time of the maintenance work order in the movement rate curve.
In this embodiment, the maximum filling time is determined based on the text amount of the repair order, that is, the product of the text amount of the repair order and the maximum filling time of the unit text amount is taken as the maximum filling time of the repair order.
In this embodiment, the maximum fill time is the predicted maximum time that may be required for the operator to enter fault fill information.
In this embodiment, the starting time is the time obtained by subtracting the maximum filling time from the sending time of the maintenance work order.
In this embodiment, the duration deviation ratio is a ratio of the minimum interval time to the duration of the initial estimated filling period, and is also a time deviation degree of the sudden change time corresponding to the minimum interval time and the initial estimated filling period.
In this embodiment, the deviation ratio threshold is a preset allowable maximum duration deviation ratio.
In this embodiment, the third time instant is the time instant corresponding to the minimum interval time.
In this embodiment, the final estimated filling period is a period in which the final estimated operator inputs the trouble filling information.
The beneficial effects of the technology are as follows: based on the determination of the sending time of a maintenance work order of a moving rate curve of a source mobile terminal of fault filling information in a preset period and the gradual inference of the abrupt change time, the estimated starting filling time is estimated, and further correction of the estimated starting filling time is realized based on the judgment of the time length deviation ratio of the abrupt change time between the estimated starting filling times, so that the accurate estimation of the filling time period of the operator input fault filling time is realized.
Example 4:
on the basis of embodiment 3, the moving range presumption unit includes:
the first generation subunit is used for acquiring all historical movement tracks of the source movement end of the fault filling information, determining a plurality of first calibration points in the historical movement tracks based on preset intervals, and generating a first tangential vector sequence based on tangential vectors of the historical movement tracks at all the first calibration points;
the second generation subunit is used for generating a range track to be corrected based on the real-time position of the source mobile terminal of the fault filling information in the presumed filling period, determining a plurality of second calibration points in the range track to be corrected based on preset intervals, and generating a second tangent vector sequence based on the tangent vector of the range track to be corrected at each second calibration point;
a sequence determining subunit, configured to determine, from the first tangent vector sequences of all the historical movement tracks, all third tangent vector sequences that are consistent with the total number of tangent vectors of the second tangent vector sequences;
a sequence screening subunit, configured to screen, based on the second tangent vector sequence and the similarity of each third tangent vector sequence, a fourth tangent vector sequence corresponding to the maximum similarity from all third tangent vector sequences;
And the range correction subunit is used for correcting the range track to be corrected based on the second tangent vector sequence and the fourth tangent vector sequence to obtain the estimated moving range corresponding to the time when the operator fills the fault filling information.
In this embodiment, the historical movement track is the movement track of the operator at the source mobile terminal of the fault filling information when the fault equipment generates a fault.
In this embodiment, the preset interval is an interval distance for determining the first calibration point in the historical movement track.
In this embodiment, the first calibration point is a location point determined in the historical movement track based on a preset interval.
In this embodiment, the first tangent vector sequence is a sequence obtained by sequencing the tangent vectors of the historical movement track at all the first calibration points according to the forming order of the first calibration points in the movement process.
In this embodiment, the range track to be corrected is a track generated by the real-time position of the source mobile terminal of the fault filling information in the estimated filling period.
In this embodiment, the second calibration point is a position point determined in the track of the range to be corrected based on the preset interval.
In this embodiment, the second tangent vector sequence is a sequence obtained by sequencing the tangent vectors of the track of the range to be corrected at all the second calibration points according to the forming order of the second calibration points in the moving process.
In this embodiment, the third tangent vector sequence is the tangent vector sequence that is determined in the first tangent vector sequences of all the historical movement tracks and is identical to the total number of tangent vectors in the second tangent vector sequence.
In this embodiment, the similarity of the second tangential vector sequence and each third tangential vector sequence is calculated based on the following formula:
in the method, in the process of the invention,
for the similarity of the second tangential vector sequence and the currently calculated third tangential vector sequence, +.>
For the total number of tangent vectors in the second sequence of tangent vectors or in the third sequence of tangent vectors currently calculated, is>
Is the +.>
Modulo of the individual tangent vector,/>
For the third tangential vector sequence currently calculated +.>
Modulo of the individual tangent vector,/>
Is an exponential function based on a natural constant e, < ->
Is the +.>
The third tangent vector sequence of the individual tangent vector and the current calculation>
The angles (expressed in radians) between the individual tangent vectors;
based on the formula, the similarity between the modes and the angles of the tangent vectors with the same ordinal numbers in the second tangent vector sequence and the third tangent vector sequence can be comprehensively considered, and the similarity between the second tangent vector sequence and the third tangent vector sequence can be accurately calculated.
In this embodiment, the fourth tangent vector sequence is the third tangent vector sequence with the highest similarity with the second tangent vector sequence in all the third tangent vector sequences.
The beneficial effects of the technology are as follows: by determining all historical movement tracks of the source mobile terminal of the fault filling information and the tangent vectors of the calibration points in the range track to be corrected in the estimated filling period and based on total division and similarity determination, the method and the device realize that the tangent vector sequence with the maximum similarity is screened out from the tangent vector sequences corresponding to the historical movement tracks, obtain the correction reference of the subsequent range track to be corrected, and further realize that the estimated movement range of the source mobile terminal of the fault filling information in the estimated filling period is estimated further and more accurately.
Example 5:
on the basis of embodiment 4, the method for correcting the range trajectory to be corrected by the range corrector unit based on the second tangential vector sequence and the fourth tangential vector sequence to obtain the estimated movement range when the corresponding operator fills up the trouble filling information includes:
simultaneously deleting head end tangent vectors of the second tangent vector sequence and the fourth tangent vector sequence, and judging whether the similarity of the new second tangent vector sequence and the fourth tangent vector sequence obtained after each deletion is greater than the similarity of the second tangent vector sequence and the fourth tangent vector sequence before deletion;
If yes, continuing to delete the head end tangent vector of the latest second tangent vector sequence and the latest fourth tangent vector sequence at the same time until the similarity of the new second tangent vector sequence and the new fourth tangent vector sequence obtained after deletion is not greater than the similarity of the second tangent vector sequence and the fourth tangent vector sequence before deletion, stopping deletion, and reserving the second tangent vector sequence and the fourth tangent vector sequence before the last deletion, otherwise, stopping deletion, and reserving the second tangent vector sequence and the fourth tangent vector sequence before deletion;
and correcting the track of the range to be corrected based on the second tangent vector sequence and the fourth tangent vector sequence obtained after the deletion is stopped, and obtaining the estimated moving range corresponding to the time when the operator fills the fault filling information.
In this embodiment, the head-end tangent vector is the first tangent vector in the sequence of tangent vectors (i.e., the second sequence of tangent vectors and the fourth sequence of tangent vectors).
In this embodiment, the similarity of the second tangential vector sequence and the fourth tangential vector sequence is calculated based on the following formula:
in the method, in the process of the invention,
for the similarity of the second and fourth tangential vector sequences,/I>
For the total number of tangent vectors in the second or fourth sequence of tangent vectors, +. >
Is the +.>
Modulo of the individual tangent vector,/>
Is the +.f in the fourth tangent vector sequence>
Modulo of the individual tangent vector,/>
Is an exponential function based on a natural constant e, < ->
Is the +.>
The first tangential vector and the fourth tangential vector in the sequence>
The angles (expressed in radians) between the individual tangent vectors;
based on the formula, the similarity between the modes and the angles of the tangent vectors with the same ordinal number in the second tangent vector sequence and the fourth tangent vector sequence can be comprehensively considered, and the similarity between the second tangent vector sequence and the fourth tangent vector sequence can be accurately calculated.
The beneficial effects of the technology are as follows: the method comprises the steps of deleting the first end tangent vector of the second tangent vector sequence corresponding to the range track to be corrected in the presumed filling period by the source mobile terminal of the fault filling information and the first end tangent vector of the fourth tangent vector sequence of the screened maximum similarity, comparing the similarity before and after deletion, denoising the first end of the range track to be corrected, and guaranteeing the accuracy of the obtained presumed mobile range.
Example 6:
on the basis of embodiment 5, a method for correcting a range trajectory to be corrected based on a second tangential vector sequence and a fourth tangential vector sequence obtained after stopping deletion to obtain a presumed movement range corresponding to the time when the operator filled the trouble filling information, includes:
Simultaneously deleting tail end tangent vectors of the second tangent vector sequence and the fourth tangent vector sequence which are obtained at present, and judging whether the similarity of the new second tangent vector sequence and the new fourth tangent vector sequence which are obtained after each deletion is larger than the similarity of the second tangent vector sequence and the fourth tangent vector sequence before deletion;
if yes, continuing to delete the tail end tangent vectors of the latest second tangent vector sequence and the latest fourth tangent vector sequence at the same time until the similarity of the new second tangent vector sequence and the new fourth tangent vector sequence obtained after deletion is not greater than the similarity of the second tangent vector sequence and the fourth tangent vector sequence before deletion, and taking the partial track range of the second tangent vector sequence before the last deletion in the track of the range to be corrected as the estimated moving range when corresponding operators report fault filling information;
otherwise, taking the partial track range of the second tangent vector sequence in the track of the range to be corrected as the estimated moving range when the corresponding operator fills the fault filling information.
In this embodiment, the last tangent vector in the sequence of tangent vectors (i.e., the second sequence of tangent vectors and the fourth sequence of tangent vectors) is the last tangent vector.
The beneficial effects of the technology are as follows: the method comprises the steps of denoising a second tangent vector sequence corresponding to a range track to be corrected in a presumed filling period by a source mobile terminal of fault filling information and a head end of a fourth tangent vector sequence with the screened maximum similarity, deleting a tail end tangent vector at the same time, comparing the similarity before and after deletion, denoising the tail end of the range track to be corrected, and further guaranteeing the accuracy of the obtained presumed mobile range.
Example 7:
on the basis of embodiment 1, the work order execution module includes:
the group determining unit is used for determining a maintenance group of the fault equipment based on the preset configuration and the maintenance work order;
the maintenance communication unit is used for sending the maintenance work order to member communication ends in the maintenance group of the fault equipment and receiving maintenance information input by all member communication ends in real time;
the progress extraction unit is used for determining the maintenance progress in real time based on all the maintenance information;
and the process tree production unit is used for generating a real-time maintenance process tree based on the maintenance progress.
In this embodiment, the preset configuration is preset configuration information of a maintenance person corresponding to each maintenance item including each device.
In this embodiment, the member communication end is the communication end of the maintenance staff in the maintenance group.
In this embodiment, the maintenance information is information about the maintenance status and progress of the faulty equipment from the member communication terminals in the maintenance group.
In this embodiment, determining the repair progress in real time based on all the repair information is to extract the currently completed repair task, the incomplete repair task, and the repair task being performed from all the repair information.
In this embodiment, the generation of the real-time maintenance flow tree based on the maintenance progress is: and taking the earliest executed maintenance task as a root node of the real-time maintenance flow tree, sequentially connecting all maintenance tasks based on the execution sequence of the maintenance tasks, and taking the maintenance tasks which are executed simultaneously as child nodes or leaf nodes connected with child nodes corresponding to the previously executed maintenance tasks, wherein the leaf nodes are nodes corresponding to the last completed maintenance task in the real-time maintenance flow tree.
The beneficial effects of the technology are as follows: the wireless communication technology is combined, links of distributing maintenance tasks and tracking maintenance progress based on preset configuration and maintenance work orders are achieved, and the management efficiency of equipment maintenance service is greatly improved.
Example 8:
on the basis of embodiment 1, the associated maintenance module includes:
the fault point determining unit is used for determining a fault point of the fault equipment based on the maintenance work order;
the association point determining unit is used for determining association points to be detected in the fault equipment based on the state information and the working information of the fault equipment and the fault points;
and the associated maintenance unit is used for maintaining the associated points to be detected to obtain associated maintenance results.
In this embodiment, the fault point is a location where a fault is currently generated in the fault device determined based on the maintenance work order.
In this embodiment, based on the status information and the working information of the fault device and the fault point, the to-be-detected association point is determined in the fault device, which is:
the state information, the working information and the fault points of the fault equipment are input into a preset deep learning model (namely, a model trained by utilizing the state information, the working information, the fault points and corresponding to-be-detected association points of a large number of fault equipment in advance), so as to determine the to-be-detected association points.
In the embodiment, the to-be-detected association point is a position which is determined to be associated and overhauled in the fault equipment based on the state information and the working information of the fault equipment and the fault point.
In this embodiment, the maintenance of the point to be detected is to enable a maintenance staff to check and maintain the point to be detected of the fault equipment.
The beneficial effects of the technology are as follows: the fault point of the fault equipment is determined based on the maintenance work order, the to-be-detected association point is determined by combining the state information and the working information of the fault equipment, and the to-be-detected association point is overhauled, so that the association overhauling of the fault equipment is realized, and further, the program of manually analyzing and associating the to-be-overhauled position is simplified.
Example 9:
on the basis of embodiment 1, the work single case module comprises:
the approval ticket generating unit is used for generating a case approval ticket based on the real-time maintenance flow tree and the associated maintenance result when the maintenance work ticket is judged to be executed by the maintenance group based on the real-time maintenance flow tree;
and the examination and approval case setting unit is used for sequentially transmitting the case setting and approval orders to the examination and approval movable terminals in the examination and approval process to examine and approve the case setting and approval orders, performing case setting operation on the maintenance work orders until the case setting and approval orders are approved by all the examination and approval movable terminals in the examination and approval process, and obtaining the equipment maintenance result.
In this embodiment, the maintenance work order for determining that the maintenance group is executed based on the real-time maintenance flow tree is:
And judging whether all maintenance tasks in the currently obtained real-time maintenance flow tree cover all maintenance tasks in the maintenance work order, if so, judging that the maintenance work order is executed by the maintenance group, otherwise, judging that the maintenance work order is not executed by the maintenance group.
In the embodiment, a case settlement approval sheet is generated based on the real-time maintenance flow tree and the associated maintenance result, namely:
summarizing the maintenance tasks completed in the real-time maintenance flow tree and the maintenance tasks completed in the associated maintenance results, sequencing the maintenance tasks based on the execution sequence, and sequentially filling in a preset case-setting approval sheet template to obtain the case-setting approval sheet.
In this embodiment, the case-setting approval sheet is an approval sheet that is generated based on the real-time maintenance flow tree and the associated maintenance result and needs to be approved by the multi-layer approval program.
In this embodiment, the approval process is an approval process that the corresponding case-setting approval sheet is required to pass before the repair work single case, for example, a field operator can confirm whether the equipment meets the reworking requirement, and then an upper manager checks the repair status and effect to confirm whether the repair work sheet is on case.
In this embodiment, the approval mobile terminal is a management layer or a communication terminal of a staff that needs to receive and approve the investigation and approval ticket in the approval process.
In this embodiment, the case-setting approval sheet is sequentially sent to an approval mobile terminal in an approval process for approval, which is:
the method comprises the steps of sequentially sending the case-setting approval orders to the approval moving end in the approval process, and receiving approval feedback results of the corresponding approval moving end, wherein the approval feedback results comprise two cases of approval passing and approval failing.
In this embodiment, the case forming operation is performed on the maintenance work order, that is, the maintenance work order in the maintenance experience library is marked as case forming.
The beneficial effects of the technology are as follows: the automatic generation, distribution and record mark storage of the record inspection and approval list are realized, and the last ring of all links in the equipment maintenance service management is further completed.
Example 10:
the present invention provides an equipment maintenance service management apparatus equipped with an equipment maintenance service management system according to any one of embodiments 1 to 9.
The beneficial effects of the technology are as follows: the method comprises the steps of estimating the estimated movement range of a corresponding operator when the operator fills the fault filling information based on the real-time position of the source mobile terminal of the fault filling information in a preset period, realizing high-precision checking of the fault filling information based on the management range and the estimated movement range of the operator and the position of fault equipment, and realizing the full-flow high-efficiency supervision and management of work order checking and generation, task allocation, progress tracking and automatic case setting links in equipment maintenance service based on a work order generation module, a work order execution module, an associated maintenance module and a work order case module.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. A management system for equipment servicing, comprising:
the range presumption module is used for presuming the presumption moving range when the corresponding operator fills the fault filling information based on the real-time position of the source mobile terminal of the fault filling information in a preset period;
the work order generation module is used for judging whether the fault filling information is abnormal or not based on the management range and the presumption moving range of an operator and the position of fault equipment, and generating a maintenance work order based on the fault filling information without the abnormality;
the work order execution module is used for sending the maintenance work order to a maintenance group of the fault equipment, tracking the maintenance progress of the maintenance group and obtaining a real-time maintenance flow tree;
the associated maintenance module is used for carrying out associated point maintenance on the fault equipment based on the maintenance work order, the state information and the working information of the fault equipment to obtain an associated maintenance result;
And the work list case module is used for case-setting the maintenance work list based on the real-time maintenance flow tree and the associated maintenance result to obtain the equipment maintenance result.
2. The system according to claim 1, wherein the work order generation module includes:
the position determining unit is used for receiving fault filling information input by an operator in a preset record library in real time and determining the position of fault equipment based on the fault filling information;
the position judging unit is used for judging whether the management range of the operator corresponding to the source mobile terminal of the fault filling information contains the corresponding fault equipment position, if so, judging whether the minimum distance between the estimated mobile range and the fault equipment position is within the tolerance distance, if so, judging that the fault filling information is not abnormal, and generating a maintenance work order based on the fault filling information;
the abnormality reminding unit is used for sending out an abnormality reminding instruction of the filling information when the management range of the operator corresponding to the source mobile terminal of the filling information does not contain the corresponding fault equipment position or the minimum distance between the presumed mobile range and the fault equipment position is not within the tolerance distance.
3. The system according to claim 1, wherein the range estimation module includes:
the sending out time determining unit is used for determining the sending out time of the maintenance work order based on the transmission time of the maintenance work order and the receiving time of the maintenance work order;
the speed curve generating unit is used for generating a moving speed curve based on the real-time position of the source mobile terminal of the fault filling information in a preset period;
the first moment determining unit is used for determining a first abrupt change moment with the smallest time interval between the moment of sending the maintenance work order and the moment of sending the maintenance work order in the moving speed curve;
the second time determining unit is used for determining the maximum filling time based on the text quantity of the maintenance work order and determining the estimated starting filling time based on the maximum filling time and the sending time of the maintenance work order;
a minimum interval determination unit configured to determine, as an initial estimation filling period, a minimum interval time among interval times between all the abrupt times before the estimation start filling time and the estimation start filling time in the movement rate curve, taking a period from the estimation start filling time to the first abrupt time;
A filling period determining unit, configured to calculate a duration deviation ratio based on the minimum interval time and the initial estimated filling period, determine whether the duration deviation ratio exceeds a deviation ratio threshold, if so, regard a period from a third abrupt change time corresponding to the minimum interval time to the first abrupt change time as a final estimated filling period, and if not, regard the initial estimated filling period as a final estimated filling period;
and the mobile range presumption unit is used for presuming the presumption mobile range corresponding to the time of the operator for reporting the fault report information based on the real-time position of the source mobile terminal of the fault report information in the presumption report period.
4. A management system for equipment servicing according to claim 3, wherein the moving range presumption unit comprises:
the first generation subunit is used for acquiring all historical movement tracks of the source movement end of the fault filling information, determining a plurality of first calibration points in the historical movement tracks based on preset intervals, and generating a first tangential vector sequence based on tangential vectors of the historical movement tracks at all the first calibration points;
the second generation subunit is used for generating a range track to be corrected based on the real-time position of the source mobile terminal of the fault filling information in the presumed filling period, determining a plurality of second calibration points in the range track to be corrected based on preset intervals, and generating a second tangent vector sequence based on the tangent vector of the range track to be corrected at each second calibration point;
A sequence determining subunit, configured to determine, from the first tangent vector sequences of all the historical movement tracks, all third tangent vector sequences that are consistent with the total number of tangent vectors of the second tangent vector sequences;
a sequence screening subunit, configured to screen, based on the second tangent vector sequence and the similarity of each third tangent vector sequence, a fourth tangent vector sequence corresponding to the maximum similarity from all third tangent vector sequences;
and the range correction subunit is used for correcting the range track to be corrected based on the second tangent vector sequence and the fourth tangent vector sequence to obtain the estimated moving range corresponding to the time when the operator fills the fault filling information.
5. The system according to claim 4, wherein the range correction subunit corrects the range trajectory to be corrected based on the second tangential vector sequence and the fourth tangential vector sequence to obtain the estimated movement range corresponding to the time when the operator filled the trouble filling information, comprising:
simultaneously deleting head end tangent vectors of the second tangent vector sequence and the fourth tangent vector sequence, and judging whether the similarity of the new second tangent vector sequence and the fourth tangent vector sequence obtained after each deletion is greater than the similarity of the second tangent vector sequence and the fourth tangent vector sequence before deletion;
If yes, continuing to delete the head end tangent vector of the latest second tangent vector sequence and the latest fourth tangent vector sequence at the same time until the similarity of the new second tangent vector sequence and the new fourth tangent vector sequence obtained after deletion is not greater than the similarity of the second tangent vector sequence and the fourth tangent vector sequence before deletion, stopping deletion, and reserving the second tangent vector sequence and the fourth tangent vector sequence before the last deletion, otherwise, stopping deletion, and reserving the second tangent vector sequence and the fourth tangent vector sequence before deletion;
and correcting the track of the range to be corrected based on the second tangent vector sequence and the fourth tangent vector sequence obtained after the deletion is stopped, and obtaining the estimated moving range corresponding to the time when the operator fills the fault filling information.
6. The system according to claim 5, wherein the method for correcting the trajectory of the range to be corrected based on the second tangential vector sequence and the fourth tangential vector sequence obtained after stopping the deletion to obtain the estimated movement range corresponding to the time when the operator filled the trouble filling information comprises:
simultaneously deleting tail end tangent vectors of the second tangent vector sequence and the fourth tangent vector sequence which are obtained at present, and judging whether the similarity of the new second tangent vector sequence and the new fourth tangent vector sequence which are obtained after each deletion is larger than the similarity of the second tangent vector sequence and the fourth tangent vector sequence before deletion;
If yes, continuing to delete the tail end tangent vectors of the latest second tangent vector sequence and the latest fourth tangent vector sequence at the same time until the similarity of the new second tangent vector sequence and the new fourth tangent vector sequence obtained after deletion is not greater than the similarity of the second tangent vector sequence and the fourth tangent vector sequence before deletion, and taking the partial track range of the second tangent vector sequence before the last deletion in the track of the range to be corrected as the estimated moving range when corresponding operators report fault filling information;
otherwise, taking the partial track range of the second tangent vector sequence in the track of the range to be corrected as the estimated moving range when the corresponding operator fills the fault filling information.
7. The system according to claim 1, wherein the work order execution module comprises:
the group determining unit is used for determining a maintenance group of the fault equipment based on the preset configuration and the maintenance work order;
the maintenance communication unit is used for sending the maintenance work order to member communication ends in the maintenance group of the fault equipment and receiving maintenance information input by all member communication ends in real time;
the progress extraction unit is used for determining the maintenance progress in real time based on all the maintenance information;
And the process tree production unit is used for generating a real-time maintenance process tree based on the maintenance progress.
8. The system of claim 1, wherein the associated repair module comprises:
the fault point determining unit is used for determining a fault point of the fault equipment based on the maintenance work order;
the association point determining unit is used for determining association points to be detected in the fault equipment based on the state information and the working information of the fault equipment and the fault points;
and the associated maintenance unit is used for maintaining the associated points to be detected to obtain associated maintenance results.
9. The system according to claim 1, wherein the job ticket module comprises:
the approval ticket generating unit is used for generating a case approval ticket based on the real-time maintenance flow tree and the associated maintenance result when the maintenance work ticket is judged to be executed by the maintenance group based on the real-time maintenance flow tree;
and the examination and approval case setting unit is used for sequentially transmitting the case setting and approval orders to the examination and approval movable terminals in the examination and approval process to examine and approve the case setting and approval orders, performing case setting operation on the maintenance work orders until the case setting and approval orders are approved by all the examination and approval movable terminals in the examination and approval process, and obtaining the equipment maintenance result.
10. A management apparatus for equipment maintenance service, characterized in that the management apparatus for equipment maintenance service is equipped with a management system for equipment maintenance service according to any one of claims 1 to 9.
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