CN112214634A - Processing method and system for switch conversion sound - Google Patents
Processing method and system for switch conversion sound Download PDFInfo
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Abstract
The embodiment of the invention provides a processing method and a system for switch conversion sound, wherein the method comprises the following steps: acquiring a sound curve and a current curve of a turnout; extracting the current curve, and performing data processing on the current curve to obtain a curve segmentation point location set; and mapping the curve segmentation point position set to the sound curve to obtain a segmentation processing result of the sound curve. The turnout conversion sound collected in the track is divided into a plurality of small sections for processing, so that the data processing workload is reduced, the requirements on a processor and an algorithm are reduced, each small data section corresponds to different stages of turnout conversion, the directivity is stronger, and the processing time of fault positioning is reduced.
Description
Technical Field
The invention relates to the technical field of intelligent operation and maintenance of tracks, in particular to a method and a system for processing turnout conversion sound.
Background
Generally, the mechanical equipment is overhauled by adopting a method of judging sound to diagnose faults, a turnout in rail transit is a typical electromechanical device, in the rotating process, a motor, various shaft pins and the like can make sound due to friction and the like, and hidden dangers such as abrasion of the turnout mechanical equipment can be found through sound processing.
Generally, the identification of the sound is carried out by two algorithms, one is to calculate the average energy, namely the noise value, and the other is to calculate the energy distribution of different frequency points by fast Fourier transform and then compare the energy distribution with normal values to judge whether the mechanical identification is abnormal.
The method has the characteristics of large calculation amount, inconvenient processing and the like, so a new processing method aiming at the sound converted by the turnout is required to be provided.
Disclosure of Invention
The embodiment of the invention provides a method and a system for processing switch conversion sound, which are used for solving the defect of large calculation amount in the prior art for processing sound data.
In a first aspect, an embodiment of the present invention provides a processing method for a switch switching sound, including:
acquiring a sound curve and a current curve of a turnout;
extracting the current curve, and performing data processing on the current curve to obtain a curve segmentation point location set;
and mapping the curve segmentation point position set to the sound curve to obtain a segmentation processing result of the sound curve.
Further, the acquiring a sound curve and a current curve of the turnout further comprises:
and respectively carrying out point position numbering on the collection points of the sound curve and the collection points of the current curve to respectively obtain a sound collection point database and a current collection point database.
Further, acquiring a sound curve and a current curve of the turnout specifically includes:
synchronous collection switch sound data and switch current data, based on switch sound data acquires the sound curve, based on switch current data acquires the current curve.
Further, the extracting the current curve and performing data processing on the current curve to obtain a curve segment point location set specifically includes:
acquiring a collection point with the largest current curve by adopting a bubbling algorithm, finding a corresponding point position number, and marking as a maximum value point;
setting a first current threshold, acquiring a first acquisition point in the current curve to an acquisition point of which the first maximum point exceeds the first current threshold, and marking as a starting value point;
setting a second current threshold, acquiring a first acquisition point which is smaller than the second current threshold from the maximum point to the last acquisition point in the current curve, and marking as a stop point; wherein the second current threshold is greater than the first current threshold;
calculating the average value of all acquisition points from the starting value point to the stopping value point, setting the average value as a third current threshold value, acquiring the first acquisition point which is smaller than the third current threshold value from the starting value point to the stopping value point, and recording the first acquisition point as a conversion value point;
counting total acquisition points from the conversion value point to the stop value point, and segmenting the total acquisition points to obtain a plurality of segmentation points;
and taking the starting value point, the maximum value point, the conversion value point, the stopping value point and the plurality of segmentation points as the curve segmentation point location set.
Further, the counting total collection points from the conversion value point to the stop value point, and segmenting the total collection points to obtain a plurality of segmentation points specifically includes:
and segmenting the total acquisition points by using a preset number from the conversion value point to obtain a plurality of segmentation points.
In a second aspect, an embodiment of the present invention further provides a processing system for switch switching sound, including:
the acquisition unit is used for synchronously acquiring turnout sound data and turnout current data, acquiring a sound curve based on the turnout sound data and acquiring a current curve based on the turnout current data;
the processing unit is used for extracting the current curve and carrying out data processing on the current curve to obtain a curve segmentation point location set;
and the mapping unit is used for mapping the curve segmentation point position set to the sound curve to obtain a segmentation processing result of the sound curve.
Furthermore, the system also comprises a statistical unit, wherein the statistical unit is used for respectively carrying out point position numbering on the collection points of the sound curve and the collection points of the current curve to respectively obtain a sound collection point database and a current collection point database.
Further, the processing unit specifically includes:
the first processing subunit is used for acquiring the acquisition point with the largest current curve by adopting a bubbling algorithm, finding a corresponding point position number and marking the point position number as a maximum value point;
the second processing subunit is used for setting a first current threshold, acquiring a first acquisition point in the current curve to an acquisition point of which the first maximum point exceeds the first current threshold, and marking as a starting value point;
the third processing subunit is used for setting a second current threshold, acquiring a first acquisition point which is smaller than the second current threshold from the maximum point to the last acquisition point in the current curve, and recording the first acquisition point as a stop point; wherein the second current threshold is greater than the first current threshold;
the fourth processing subunit is used for calculating the average value of all the acquisition points from the starting value point to the stopping value point, setting the average value as a third current threshold value, acquiring the first acquisition point which is smaller than the third current threshold value from the starting value point to the stopping value point, and recording the first acquisition point as a conversion value point;
the fifth processing subunit is used for counting the total acquisition points from the conversion value point to the stop value point and segmenting the total acquisition points to obtain a plurality of segmentation points;
and the merging subunit is configured to use the starting value point, the maximum value point, the transition value point, the stop value point, and the plurality of segment points as the curve segment point location set.
In a third aspect, an embodiment of the present invention further provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the steps of the processing method for sound converted from a switch as described in any one of the above.
In a fourth aspect, the present invention further provides a non-transitory computer readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the processing method for sound conversion of a switch as described in any one of the above.
According to the turnout conversion sound processing method and system provided by the embodiment of the invention, the turnout conversion sound collected in the track is divided into a plurality of small sections for processing, so that the data processing workload is reduced, the requirements on a processor and an algorithm are reduced, each small data section corresponds to different stages of turnout conversion, the directivity is stronger, and the processing time of fault positioning is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a processing method of a switch switching sound according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a system implementation structure provided by the embodiment of the present invention;
FIG. 3 is a schematic diagram of the switching current collected during the switching process provided by the embodiment of the present invention;
FIG. 4 is a graph of the acoustic waveform of the transition process provided by an embodiment of the present invention;
FIG. 5 is a flow chart of sound data segmentation provided by an embodiment of the present invention:
fig. 6 is a schematic structural diagram of a processing system for converting sounds of a switch according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the application field of rail transit, the fault of a turnout mechanical mechanism can be obtained and fault processing can be realized based on a sound signal, however, the turnout switching time is long normally, generally 3.4S and 5.8S and the like, the longest time can reach 15S or 30S, the calculation amount by using a common processing means is very large, and the calculation pressure of a processor is very large.
The embodiment of the invention provides a processing method of turnout conversion sound, which considers that turnout monitoring equipment collects current data while collecting sound, and the current data can represent different stages of turnout conversion, so that the sound data is segmented by utilizing current data, and then the characteristics of the segmented data are calculated by adopting different methods, so that a large amount of data can be converted into multiple segments of small data, each segment represents the dynamic characteristics of mechanical equipment, and accurate fault positioning can be realized.
Fig. 1 is a schematic flow chart of a processing method for switch switching sound according to an embodiment of the present invention, as shown in fig. 1, including:
s1, acquiring a sound curve and a current curve of the turnout;
s2, extracting the current curve, and performing data processing on the current curve to obtain a curve segmentation point set;
and S3, mapping the curve segmentation point set to the sound curve to obtain a segmentation processing result of the sound curve.
Specifically, as shown in fig. 2, the synchronous acquisition module acquires the sound data and the current data of the turnout synchronously, where the sound data is acquired separately by using a microphone sensor, the current data is acquired separately by using a hall current sensor, the acquisition point is located on X1 for an ac switch machine, and the acquisition point is located on X4 for a dc switch machine. The synchronous acquisition module simultaneously acquires current and sound data by using a synchronous acquisition technology, and ensures that an acquisition point of the current and an acquisition point of the sound data are acquired simultaneously; the main control module can control the collection of current and sound and carry out primary processing on data; meanwhile, the main control module is connected with the server and sends the acquired data to the server; the communication module is used for transmitting the collected data to the processor or the server.
Here, a typical switch outdoor section specifically includes the following sections:
1. an electro-mechanical bond comprising:
(1) the external locking device comprises a locking hook, a locking iron, a locking rod, a connecting iron, a locking frame and other various mechanical structures and a connecting shaft pin and the like;
(2) a slide chair plate;
(3) an action connecting rod;
2. switch machine, comprising:
(1) an internal motor;
(2) a friction connector of an alternating current point machine;
(3) a speed reducer;
(4) an automatic shutter.
The mechanical parts act according to the time sequence of turnout switching, and different mechanical devices work at different stages. The conversion process is as follows:
and in the unlocking process, the turnout is locked by the external locking device under the normal condition. When the conversion is carried out, the motor rotates, the speed reducer converts high rotating speed into large torque, moving force is provided for the locking rod, the locking hook moves, and when a certain position is reached, the locking hook is loosened, and the turnout is unlocked. The unlocking is that the automatic shutter is switched to a movable contact to connect a circuit of reverse moving;
in the rotation process, the motor outputs force to drive the action connecting rod to act, and the switch rail moves on the slide plate;
in the locking process, when the switch rail is closely attached to the stock rail, the locking boss on the locking rod slides out of the unlocking groove on the other side, and the locking hook is lifted. Meanwhile, the locking rod moves, and the turnout is locked when the maximum locking amount is reached; after the turnout is locked, the locking rod drives the other automatic switch to switch, the three-phase power supply is cut off, and the motor stops rotating.
Therefore, the switching current is acquired in the whole switching process as shown in fig. 3, and the current value is smaller at the point A and before, because the turnout is in a locking state, the current is the indicating current; the current is increased from the point A, the motor starts to rotate, the turnout starts to be unlocked, and the current reaches the maximum value to the point B; after the turnout is unlocked from the point B to the point C, the turnout starts to rotate; the switch machine operating rod drives the switch rail to move from the point C to the point D; at the point D, the switch rail rotates in place and is closely attached to the stock rail, and the locking rod drives the automatic shutter to switch to cut off three-phase current; and the slow-releasing stage of the indoor relay is from the point D to the point E. The corresponding sound waveform for the whole transition process is shown in fig. 4.
It can be understood that the purpose of the embodiment of the present invention is to find A, B, C and D four corresponding points on the sound waveform, so as to segment the sound data and reduce the calculation workload.
The turnout conversion sound collected in the track is divided into a plurality of small sections for processing, so that the data processing workload is reduced, the requirements on a processor and an algorithm are reduced, each small data section corresponds to different stages of turnout conversion, the directivity is stronger, and the processing time of fault positioning is reduced.
Based on the above embodiment, step S1 in the method specifically includes:
synchronous collection switch sound data and switch current data, based on switch sound data acquires the sound curve, based on switch current data acquires the current curve.
Specifically, as described in the above embodiment, the sound data and the current data of the turnout are collected and synchronized by the synchronous collection module, and a sound curve and a current curve are respectively formed by a plurality of collection points of the respective data.
Based on any of the above embodiments, step S2 in the method specifically includes:
acquiring a collection point with the largest current curve by adopting a bubbling algorithm, finding a corresponding point position number, and marking as a maximum value point;
setting a first current threshold, acquiring a first acquisition point in the current curve to an acquisition point of which the first maximum point exceeds the first current threshold, and marking as a starting value point;
setting a second current threshold, acquiring a first acquisition point which is smaller than the second current threshold from the maximum point to the last acquisition point in the current curve, and marking as a stop point; wherein the second current threshold is greater than the first current threshold;
calculating the average value of all acquisition points from the starting value point to the stopping value point, setting the average value as a third current threshold value, acquiring the first acquisition point which is smaller than the third current threshold value from the starting value point to the stopping value point, and recording the first acquisition point as a conversion value point;
counting total acquisition points from the conversion value point to the stop value point, and segmenting the total acquisition points to obtain a plurality of segmentation points;
and taking the starting value point, the maximum value point, the conversion value point, the stopping value point and the plurality of segmentation points as the curve segmentation point location set.
Wherein, the counting of the total collection points from the conversion value point to the stop value point and the segmentation of the total collection points to obtain a plurality of segmentation points specifically comprises:
and segmenting the total acquisition points by using a preset number from the conversion value point to obtain a plurality of segmentation points.
Specifically, as shown in fig. 5, firstly, the main control module controls the synchronous acquisition module to simultaneously acquire sound and current data, all the data are transmitted to the processor after passing through the communication module, and are stored as current curve data and sound curve data, and point location numbering is performed on each acquisition point to form a database;
extracting a current curve, processing data, finding a maximum value point of the current curve by using a bubbling algorithm and the like, and finding a point position number, wherein the point position number is a point B, namely a point for unlocking a turnout;
setting a first current threshold value, for example 0.3A, searching a first point exceeding the threshold value from a first point of a current curve to all points B, and setting the point as a starting value point of starting the rotation of the motor, namely the point A;
setting a second current threshold value, representing that the motor stops rotating, and releasing the motor to start, for example, 0.7A, starting from the point B to the last point of the current curve, finding a first point smaller than the threshold value, wherein a stop value point is a point D;
then calculating the average value of all points from the point B to the point D, and setting the average value as a third current threshold value;
finding a first point smaller than a third threshold value from the point B to the point D, and converting the value point to be a point C;
further calculating the total number of points from the point C to the point D, starting from the point C, segmenting by using a fixed preset number of points, for example, 105 points from the point C to the point D, segmenting by using 16 points as fixed points, and then segmenting into 7 segments from the point C to the point D, wherein 6 segments are 16 points, and the seventh segment is 10 points.
After the segmentation of the whole current curve is completed, the point A, the point B, the point C, the point D and the point positions from the point C to the segmentation points of the point D are recorded and mapped to the sound curve, so that the segmentation of the sound curve is completed, and then the sound segments can be processed respectively.
The embodiment of the invention processes the large-section sound data into a plurality of small-section data, and each small-section data corresponds to different stages of turnout conversion, so that the directivity is stronger, and the processing time of fault location is reduced.
The following describes a processing system for the switch conversion sound provided by the embodiment of the present invention, and the processing system for the switch conversion sound described below and the processing method for the switch conversion sound described above may be referred to correspondingly.
Fig. 6 is a schematic structural diagram of a processing system for converting sounds in a switch according to an embodiment of the present invention, as shown in fig. 6, including: an acquisition unit 61, a processing unit 62 and a mapping unit 63; wherein:
the acquisition unit 61 is used for synchronously acquiring turnout sound data and turnout current data, acquiring a sound curve based on the turnout sound data, and acquiring a current curve based on the turnout current data; the processing unit 62 is configured to extract the current curve, perform data processing on the current curve, and obtain a curve segmentation point location set; the mapping unit 63 is configured to map the curve segmentation point location set to the sound curve, so as to obtain a segmentation processing result of the sound curve.
The turnout conversion sound collected in the track is divided into a plurality of small sections for processing, so that the data processing workload is reduced, the requirements on a processor and an algorithm are reduced, each small data section corresponds to different stages of turnout conversion, the directivity is stronger, and the processing time of fault positioning is reduced.
Based on the above embodiment, the system further includes a statistical unit 64, where the statistical unit 64 is configured to respectively perform point location numbering on the collection point of the sound curve and the collection point of the current curve, so as to respectively obtain a sound collection point database and a current collection point database.
Based on any of the above embodiments, the processing unit 62 specifically includes: a first processing subunit 621, a second processing subunit 622, a third processing subunit 623, a fourth processing subunit 624, a fifth processing subunit 625, and a merging subunit 626; wherein:
the first processing subunit 621 is configured to obtain, by using a bubbling algorithm, a collection point at which the current curve is maximum, find a corresponding point location number, and mark the point location number as a maximum point; the second processing subunit 622 is configured to set a first current threshold, obtain a first collection point in the current curve to a collection point of the maximum point, where the first collection point exceeds the first current threshold, and mark the first collection point as a starting point; the third processing subunit 623 is configured to set a second current threshold, obtain a first collection point smaller than the second current threshold from the maximum point to the last collection point in the current curve, and record the first collection point as a stop point; wherein the second current threshold is greater than the first current threshold; the fourth processing subunit 624 is configured to calculate an average value of all the acquisition points from the start value point to the stop value point, set the average value as a third current threshold, and acquire a first acquisition point smaller than the third current threshold from the start value point to the stop value point, and record the first acquisition point as a transition value point; the fifth processing subunit 625 is configured to count total acquisition points from the conversion value point to the stop value point, and segment the total acquisition points to obtain a plurality of segment points; the merging subunit 626 is configured to use the starting value point, the maximum value point, the transition value point, the stop value point, and the segmentation points as the curve segmentation point location set.
Fig. 7 illustrates a physical structure diagram of an electronic device, and as shown in fig. 7, the electronic device may include: a processor (processor)710, a communication interface (communication interface)720, a memory (memory)730, and a communication bus (bus)740, wherein the processor 710, the communication interface 720, and the memory 730 communicate with each other via the communication bus 740. The processor 710 may call logic instructions in the memory 730 to perform a switch transition sound processing method, the method comprising: acquiring a sound curve and a current curve of a turnout; extracting the current curve, and performing data processing on the current curve to obtain a curve segmentation point location set; and mapping the curve segmentation point position set to the sound curve to obtain a segmentation processing result of the sound curve.
In addition, the logic instructions in the memory 730 can be implemented in the form of software functional units and stored in a computer readable storage medium when the software functional units are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and the like.
In another aspect, an embodiment of the present invention further provides a computer program product, where the computer program product includes a computer program stored on a non-transitory computer-readable storage medium, the computer program includes program instructions, and when the program instructions are executed by a computer, the computer can execute the processing method of the switch conversion sound provided by the above-mentioned embodiments of the method, where the method includes: acquiring a sound curve and a current curve of a turnout; extracting the current curve, and performing data processing on the current curve to obtain a curve segmentation point location set; and mapping the curve segmentation point position set to the sound curve to obtain a segmentation processing result of the sound curve.
In still another aspect, an embodiment of the present invention further provides a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program is implemented by a processor to execute the processing method for the switch conversion sound provided by the foregoing embodiments, the method includes: acquiring a sound curve and a current curve of a turnout; extracting the current curve, and performing data processing on the current curve to obtain a curve segmentation point location set; and mapping the curve segmentation point position set to the sound curve to obtain a segmentation processing result of the sound curve.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for processing switch converted sounds, comprising:
acquiring a sound curve and a current curve of a turnout;
extracting the current curve, and performing data processing on the current curve to obtain a curve segmentation point location set;
and mapping the curve segmentation point position set to the sound curve to obtain a segmentation processing result of the sound curve.
2. The method for processing sound converted by a turnout according to claim 1, wherein the step of obtaining the sound curve and the current curve of the turnout further comprises the following steps:
and respectively carrying out point position numbering on the collection points of the sound curve and the collection points of the current curve to respectively obtain a sound collection point database and a current collection point database.
3. The processing method for the sound conversion of the turnout according to claim 1 or 2, wherein the acquiring of the sound curve and the current curve of the turnout specifically comprises:
synchronous collection switch sound data and switch current data, based on switch sound data acquires the sound curve, based on switch current data acquires the current curve.
4. The method for processing the sound converted by the turnout according to claim 1, wherein the extracting the current curve and performing data processing on the current curve to obtain a curve segment point location set specifically comprises:
acquiring a collection point with the largest current curve by adopting a bubbling algorithm, finding a corresponding point position number, and marking as a maximum value point;
setting a first current threshold, acquiring a first acquisition point in the current curve to an acquisition point of which the first maximum point exceeds the first current threshold, and marking as a starting value point;
setting a second current threshold, acquiring a first acquisition point which is smaller than the second current threshold from the maximum point to the last acquisition point in the current curve, and marking as a stop point; wherein the second current threshold is greater than the first current threshold;
calculating the average value of all acquisition points from the starting value point to the stopping value point, setting the average value as a third current threshold value, acquiring the first acquisition point which is smaller than the third current threshold value from the starting value point to the stopping value point, and recording the first acquisition point as a conversion value point;
counting total acquisition points from the conversion value point to the stop value point, and segmenting the total acquisition points to obtain a plurality of segmentation points;
and taking the starting value point, the maximum value point, the conversion value point, the stopping value point and the plurality of segmentation points as the curve segmentation point location set.
5. The method for processing the sound converted from the turnout according to claim 4, wherein the step of counting the total collection point from the conversion value point to the stop value point and segmenting the total collection point to obtain a plurality of segmentation points comprises the following steps:
and segmenting the total acquisition points by using a preset number from the conversion value point to obtain a plurality of segmentation points.
6. A system for processing switch converted sounds, comprising:
the acquisition unit is used for synchronously acquiring turnout sound data and turnout current data, acquiring a sound curve based on the turnout sound data and acquiring a current curve based on the turnout current data;
the processing unit is used for extracting the current curve and carrying out data processing on the current curve to obtain a curve segmentation point location set;
and the mapping unit is used for mapping the curve segmentation point position set to the sound curve to obtain a segmentation processing result of the sound curve.
7. The system for processing sound converted by a turnout according to claim 6, further comprising a statistical unit, wherein the statistical unit is configured to perform point location numbering on the collection point of the sound curve and the collection point of the current curve respectively to obtain a sound collection point database and a current collection point database respectively.
8. The system for processing sound converted by a switch according to claim 6, wherein the processing unit specifically comprises:
the first processing subunit is used for acquiring the acquisition point with the largest current curve by adopting a bubbling algorithm, finding a corresponding point position number and marking the point position number as a maximum value point;
the second processing subunit is used for setting a first current threshold, acquiring a first acquisition point in the current curve to an acquisition point of which the first maximum point exceeds the first current threshold, and marking as a starting value point;
the third processing subunit is used for setting a second current threshold, acquiring a first acquisition point which is smaller than the second current threshold from the maximum point to the last acquisition point in the current curve, and recording the first acquisition point as a stop point; wherein the second current threshold is greater than the first current threshold;
the fourth processing subunit is used for calculating the average value of all the acquisition points from the starting value point to the stopping value point, setting the average value as a third current threshold value, acquiring the first acquisition point which is smaller than the third current threshold value from the starting value point to the stopping value point, and recording the first acquisition point as a conversion value point;
the fifth processing subunit is used for counting the total acquisition points from the conversion value point to the stop value point and segmenting the total acquisition points to obtain a plurality of segmentation points;
and the merging subunit is configured to use the starting value point, the maximum value point, the transition value point, the stop value point, and the plurality of segment points as the curve segment point location set.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and operable on the processor, wherein the processor when executing the program implements the steps of the switch transition sound processing method according to any one of claims 1 to 5.
10. A non-transitory computer-readable storage medium, on which a computer program is stored, wherein the computer program, when executed by a processor, implements the steps of the processing method of the switch conversion sound according to any one of claims 1 to 5.
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| EP4083845A4 (en) * | 2021-03-05 | 2022-12-14 | CRSC Research & Design Institute Group Co., Ltd. | Turnout fault diagnosis method and apparatus, electronic device, and medium |
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