CN115956543A - Fishing device and fishing method for wild giant salamander resource investigation - Google Patents

Fishing device and fishing method for wild giant salamander resource investigation Download PDF

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Publication number
CN115956543A
CN115956543A CN202210830153.3A CN202210830153A CN115956543A CN 115956543 A CN115956543 A CN 115956543A CN 202210830153 A CN202210830153 A CN 202210830153A CN 115956543 A CN115956543 A CN 115956543A
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motor fault
motor
fishing
giant salamander
sample
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吴延庆
付超
吴军
郭伟波
朱滨清
高朔
王乐
张文文
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Nanjing Institute of Environmental Sciences MEE
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Nanjing Institute of Environmental Sciences MEE
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

Abstract

The invention belongs to the field of giant salamander resource research, and discloses a fishing device and a fishing method for wild giant salamander resource investigation. The giant salamander capturing device has the advantages that the motor is arranged to pull the lifting rope to drive the fishing net to lift, so that the giant salamander can be easily captured, the inner ring of the fishing net is arranged to greatly realize the one-way entry of the giant salamander, the giant salamander cannot escape, the captured giant salamander can be directly dumped on the supporting plate through the through hole and the sliding plate, and the giant salamander is induced to enter the fishing net through the doll seeking sound wave device.

Description

Fishing device and fishing method for wild giant salamander resource investigation
Technical Field
The invention belongs to the field of giant salamander resource research, and particularly relates to a fishing device and a fishing method for wild giant salamander resource investigation.
Background
Giant salamanders are the general name of amphibians in the giant salamander genus, commonly known as giant salamanders, and belong to the family of amphibiaceae, urodelea and cryptogill salamanders. At present, three types of Chinese giant salamanders, namely Andrias davidianus, south China giant salamander A.sligious and Jiangxi giant salamander A.jiangxinensis, are distributed in China, are the largest tailed amphibians in existence, and are special large amphibians in China. Giant salamanders are rare wiggery species in the world, still retain original morphological characteristics up to now, are called as 'activated stones' of the earth biological kingdom, and have important scientific value in the aspects of researching the earth evolution, the biological evolution, the environmental transition and the like. In recent years, due to the damage and illegal fishing of habitats and the reasons that the wild giant salamanders grow slowly in the wild and the survival rate of larvae is low, the resource amount of wild giant salamanders is reduced sharply and even faces the danger of resource exhaustion, so that the giant salamanders are classified as national secondary important wild animals for protection in China.
In order to better protect the resources, the proliferation and release work of the giant salamanders is carried out in a plurality of provinces in China, but the achievement of the proliferation and release work does not have a uniform evaluation standard at present, wherein the biggest technical bottleneck is the difficulty in catching the wild giant salamanders, so that the scientific evaluation on the population quantity of the existing giant salamanders is difficult.
The Chinese patent with the application number of 201310140638.0 is used for a catching device and a catching method for wild giant salamander resource investigation, and discloses a giant salamander catching device which comprises a steel bar, a plurality of parallel fishhooks for placing bait, a fishing line for connecting the fishhooks with the steel bar and a fixing pile connected with the steel bar. Although the invention solves the technical bottleneck at present to a certain extent, the giant salamander is seriously physically injured by using the traditional fishing mode of the fishhook. For example, a giant salamander swallows bait while swallowing a fish hook into the mouth, and if the fish hook is swallowed too deeply, irreversible damage to the digestive tract system of the giant salamander is likely to occur.
The application number is 201820752714.1's a fishery aquaculture fishing device, its structure includes fishing platform, lifting rope, pressure marking, buoy, fishing net, power cord and control box, and this utility model has following beneficial effect: through set up elevating gear in fishing platform lower extreme right part of side, open the motor through the control box, make the motor rotate and drive the action wheel through the axis of rotation and rotate, the action wheel rotates and drives from the driving wheel through the belt and rotate, it rotates to drive the dwang to rotate from the driving wheel, the dwang rotates and drives the lifting rope and goes up and down, the lifting rope goes up and down and drives the fishing net and go up and down to catch, make the fishing light, the phenomenon that the fishing wastes time and energy has been solved and bred, through setting up the idol sound wave device, after the net is broadcast, LED fluorescent tube three-color can send light and attract the fish, and variable frequency sound production ware also can send sound and attract the fish, make the fish get into in the fishing net, fishing efficiency has been improved, the easy frightening fish after the net is broadcast, influence fishing efficiency's problem. Although the device can solve the difficulty encountered in the fishing process to a certain extent, still has certain technical problem. For example, in the device, the lifting operation structure for driving the lifting rope by the motor is relatively complicated, and the manufacturing cost is increased; LED three-color light does not attract the giant salamander; and in this technique, it is difficult to take out the captured object from the device after the completion of the capturing of the fishing net.
Through the above analysis, the problems and defects of the prior art are as follows:
(1) Although the traditional fishhook mode used in the traditional giant salamander catching device can realize the catching of the giant salamander, the giant salamander can be physically injured to a certain extent;
(2) The existing lifting operation structure for driving the lifting rope by the motor is relatively complicated and increases the manufacturing cost;
(3) Due to the vision degradation of the giant salamanders, the sensitivity to light is low, and the attraction of LED three-color light to the giant salamanders is low;
(4) After the fishing net triggers the capturing function, the captured giant salamanders are taken out of the structure with certain difficulty;
(5) In the prior art, the open net mouth can cause the escape of the captured objects in the process of lifting the fishing net.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a catching device and a catching method for wild giant salamander resource investigation.
The invention is realized in such a way that the fishing device and the fishing method for the wild giant salamander resource investigation structurally comprise a supporting plate, wherein a controller, a sliding plate, a supporting column and a through hole are arranged on the supporting plate, an installation plate is arranged on the supporting column, a motor is arranged on the installation plate, the motor is connected with a lifting rope and is connected with a fishing net through an integration button, a lead and a controller, and the controller controls the forward and reverse rotation of the motor.
Furthermore, the central point of mounting panel puts and is equipped with the motor bottom plate, installs the motor on the motor bottom plate.
Further, the through hole is arranged under the mounting plate, the area of the sliding plate is larger than that of the through hole, and the sliding plate is provided with a water filtering hole.
Further, the motor is connected with the lifting rope and the integrated button, the integrated button is connected with a lead, and the lead is connected with a fishing net.
Furthermore, a plurality of coupling sound wave devices which are distributed irregularly are arranged in the fishing net.
Further, the top of the fishing net is provided with a fishing net inner ring for ensuring the giant salamander to enter.
Further, the controller also comprises a motor fault diagnosis module and an alarm module;
the motor fault diagnosis module is used for diagnosing motor faults;
and the alarm module is used for carrying out alarm notification on the motor fault.
Further, the motor fault diagnosis module diagnosis method comprises the following steps:
(1) Motor fault diagnosis training;
constructing a motor fault database; storing historical motor fault data into a motor fault database; acquiring motor fault sample information from a motor fault database, respectively obtaining a feature matrix and a mode distance threshold value of a motor fault sample with dimensions eliminated after calculation processing, associating the feature matrix and the mode distance threshold value with each other, and storing to generate a motor fault mode knowledge base;
(2) Diagnosing and operating the motor fault;
acquiring abnormal sample information from a real-time motor fault database, calculating to obtain abnormal characteristic information, sequentially calculating mode distances of sample characteristics in a motor fault mode knowledge base, converting the mode distances into mode similarity, and outputting a final motor fault diagnosis result.
Further, the specific steps of the motor fault diagnosis training are as follows:
acquiring motor fault sample information from a motor fault database; sequentially carrying out piecewise linear fitting on each motor fault sample;
extracting the characteristics of each section of data of the motor fault sample to obtain a characteristic matrix of the motor fault sample;
carrying out motor fault feature conversion, eliminating feature dimensions and obtaining a feature matrix of a motor fault sample with the dimensions eliminated;
calculating a mode distance threshold; associating the motor fault characteristic matrix and the mode distance threshold value with each other, and storing to generate a motor fault mode knowledge base;
the method comprises the following specific steps of obtaining motor fault sample information from a motor fault database: selecting a piece of research equipment with the number P of motor fault types being more than or equal to 2 and the occurrence frequency T of each motor fault being more than or equal to 2 to meet the requirement, selecting observation points N with the number of feet, wherein N is more than or equal to 10, carrying out motor fault record searching on historical running state data of the equipment for a long enough time, picking out motor fault related measuring point information, starting and stopping time of a motor fault process and useful information recorded by motor fault maintenance measures from the motor fault record by utilizing a set screening rule, reading motor fault sample data from a power plant real-time motor fault database PI according to the useful information,
wherein: the motor fault sample data with n measuring points and m time points is taken as a n-dimensional column vector, and the column vector is expressed as follows:
u(t j )=[u j1 ,u j2 ,u j3 ,...,u jn ]
the sample data is stored in a matrix form of m × n, and the specific form is as follows:
Figure BDA0003747885670000041
the line represents m motor fault time, the column represents n equipment observation points, the values of the line m and the line n between each motor fault sample are different, and a motor fault type identifier ID is given to each motor fault sample, and the motor fault type identifier ID determining method is that if all the samples contain X types of motor faults, the numerical range of the motor fault type identifier ID is as follows: 1-X.
Further, the specific steps of sequentially carrying out piecewise linear fitting on each motor fault sample are as follows:
filtering and eliminating noise pollution doped in sample data; carrying out sectional initialization on the motor fault sample after filtering processing; combining every two initialized data segments to calculate a fitting error;
and determining a segmentation cutting point of the motor fault sample, and performing adaptive state segmentation on the motor fault sample.
In combination with the above technical solutions and the technical problems to be solved, please analyze the advantages and positive effects of the technical solutions to be protected in the present invention from the following aspects:
first, aiming at the technical problems existing in the prior art and the difficulty in solving the problems, the technical problems to be solved by the technical scheme of the present invention are closely combined with results, data and the like in the research and development process, and some creative technical effects are brought after the problems are solved. The specific description is as follows:
according to the giant salamander fishing device, the motor is arranged to pull the lifting rope so as to drive the fishing net to lift, so that the giant salamander fishing work is easy; by arranging the inner ring of the fishing net, the giant salamander can enter in one direction to a great extent, and the escape phenomenon can not be caused; through setting up through-hole and sliding plate, the realization directly emptys the giant salamander of catching in the backup pad, realizes luring the giant salamander to get into in the fishing net through the sound wave device of seeking for help or increased vigilance that sets up.
Secondly, considering the technical scheme as a whole or from the perspective of products, the technical effect and advantages of the technical scheme to be protected by the invention are specifically described as follows:
the giant salamander catching device provided by the invention has the advantages that the fishing net is used, so that the giant salamander can be caught, the giant salamander cannot be damaged, and the giant salamander can be protected; the lifting operation structure that the motor drives the lifting rope is simple, and the manufacturing cost is reduced; after the giant salamander is caught by the fishing net, the fishing mouth of the fishing net is provided with a small inner ring of the fishing net, so that the escape of the giant salamander can be reduced in the rising process of the fishing net.
Drawings
Fig. 1 is a schematic structural diagram of a giant salamander fishing device provided by an embodiment of the invention.
Fig. 2 is a fishing net structure diagram of the giant salamander resource investigation fishing device provided by the embodiment of the invention.
Fig. 3 is a flowchart of a motor fault diagnosis module diagnosis method according to an embodiment of the present invention.
In the figure: 1. a support plate; 2. a sliding plate; 21. water filtering holes; 3. a through hole; 4. a controller; 5. a support pillar; 51. mounting a plate; 52. a motor base plate; 53. a motor; 6. a lifting rope; 7. an integration button; 8. a lead wire; 9. a fishing net; 10. an inner ring of the fishing net; 11. a decoupling acoustic wave device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
1. The embodiments are explained. This section is an illustrative example developed to explain the claims in order to enable those skilled in the art to fully understand how to implement the present invention.
As shown in fig. 1-2, the fishing device and the fishing method for wild giant salamander resource investigation provided by the embodiment of the invention structurally comprise a supporting plate 1, wherein a controller 4, a sliding plate 2, a supporting column 5 and a through hole 3 are arranged on the supporting plate 1, an installation plate 51 is arranged on the supporting column 5, a motor 53 is arranged on the installation plate 51, the motor 53 is connected with a lifting rope 6 and is connected with a fishing net 9 through an integration button 7, a lead 8 and the fishing net 9, and the controller 4 controls the forward and reverse rotation of the motor 53.
The mounting plate 51 is provided with a motor base plate 52 at a central position, and the motor 51 is mounted on the motor base plate 53.
The through hole 3 is arranged right below the mounting plate 51, the area of the sliding plate 2 is larger than that of the through hole 3, and the sliding plate 2 is provided with a water filtering hole 21.
The motor 51 is connected with the lifting rope 6 and the integrated button 7, the integrated button 7 is connected with the lead wire 8, and the lead wire 8 is connected with the fishing net 9.
A plurality of coupling sound wave devices 11 which are distributed irregularly are arranged in the fishing net 9.
The top of the fishing net 9 is provided with a fishing net inner ring 10 for ensuring the giant salamander to enter.
The controller provided by the embodiment of the invention also comprises a motor fault diagnosis module and an alarm module;
the motor fault diagnosis module is used for diagnosing motor faults;
and the alarm module is used for carrying out alarm notification on the motor fault.
As shown in fig. 3, the motor fault diagnosis module diagnosis method provided by the embodiment of the present invention is as follows:
s101, motor fault diagnosis training;
constructing a motor fault database; storing historical motor fault data into a motor fault database; acquiring motor fault sample information from a motor fault database, respectively obtaining a feature matrix and a mode distance threshold value of a motor fault sample with dimensions eliminated after calculation processing, associating the feature matrix and the mode distance threshold value with each other, and storing to generate a motor fault mode knowledge base;
s102, diagnosing and operating the motor fault;
acquiring abnormal sample information from a real-time motor fault database, calculating to obtain abnormal characteristic information, sequentially calculating mode distances of sample characteristics in a motor fault mode knowledge base, converting the mode distances into mode similarity, and outputting a final motor fault diagnosis result.
The motor fault diagnosis training method provided by the embodiment of the invention comprises the following specific steps:
acquiring motor fault sample information from a motor fault database; sequentially carrying out piecewise linear fitting on each motor fault sample;
extracting the characteristics of each section of data of the motor fault sample to obtain a characteristic matrix of the motor fault sample;
carrying out motor fault feature conversion, eliminating feature dimensions and obtaining a feature matrix of a motor fault sample with the dimensions eliminated;
calculating a mode distance threshold; associating the motor fault characteristic matrix and the mode distance threshold value with each other, and storing to generate a motor fault mode knowledge base;
the method comprises the following specific steps of obtaining motor fault sample information from a motor fault database: selecting a piece of research equipment with the number P of motor fault types being more than or equal to 2 and the occurrence frequency T of each motor fault being more than or equal to 2 to meet the requirement, selecting observation points N with the number of feet, wherein N is more than or equal to 10, carrying out motor fault record searching on historical running state data of the equipment for a long enough time, picking out motor fault related measuring point information, starting and stopping time of a motor fault process and useful information recorded by motor fault maintenance measures from the motor fault record by utilizing a set screening rule, reading motor fault sample data from a power plant real-time motor fault database PI according to the useful information,
wherein: motor fault sample data with n measuring points and m time points, wherein all measuring point data at the moment j are regarded as an n-dimensional column vector and are expressed as follows:
u(t j )=[u j1 ,u j2 ,u j3 ,...,u jn ]
the sample data is stored in a matrix form of m × n, and the specific form is as follows:
Figure BDA0003747885670000081
the method comprises the following steps that a row represents m motor fault time, a column represents n equipment observation points, the values of the row and the column m and the n between every two motor fault samples are different, a motor fault type identifier ID is given to every motor fault sample, and if all the samples contain X motor faults, the numerical range of the motor fault type identifier ID is as follows: 1-X.
The specific steps for sequentially carrying out piecewise linear fitting on each motor fault sample provided by the embodiment of the invention are as follows:
filtering and eliminating noise pollution doped in the sample data; carrying out sectional initialization on the motor fault sample after filtering processing; combining every two initialized data segments to calculate a fitting error;
and determining a segmentation cutting point of the motor fault sample, and performing adaptive state segmentation on the motor fault sample.
The working principle is as follows: in the using process of the giant salamander automatic lifting device, firstly, a puppet sound wave device 11 in a fishing net is opened, then a lead 8 connected to the fishing net 9 is fixed on an integration button 7, the integration button 7 is connected with a lifting rope 6, the lifting rope 6 penetrates through a through hole 3 to be connected with a motor 53, the motor 51 is controlled by a controller 4 to rotate, the lifting rope 6 is driven to sink the fishing net 9 into water, a fishing net inner ring 10 is arranged at the top end of the fishing net 9, the fishing net inner ring 10 is smaller than the diameter of a fishing net outer ring, so that a part of giant salamander can enter the fishing net and then come out, after a period of time, the motor 51 is controlled by the controller 4 to rotate reversely, the fishing net 9 is lifted and penetrates through the through hole 3, when the bottom end of the fishing net 9 is positioned above the through hole 3, a sliding plate 2 is pushed to the upper end of the through hole 3, the lead 8 of the integration button 7 is loosened, and the giant salamander can be poured on a supporting plate 1 and the sliding plate 2; finally, motor faults are diagnosed through a motor fault diagnosis module; and carrying out alarm notification on the motor fault through an alarm module.
2. Application examples. In order to prove the creativity and the technical value of the technical scheme of the invention, the part is the application example of the technical scheme of the claims on specific products or related technologies.
This device passes through the motor and realizes carrying out the operation that goes up and down to the fishing net, and the even sound wave device of seeking of fishing net inside realizes luring the giant salamander to carry out the fishing net in addition, mentions the fishing net to the backup pad top, realizes empting the giant salamander in the backup pad.
It should be noted that embodiments of the present invention can be realized in hardware, software, or a combination of software and hardware. The hardware portion may be implemented using dedicated logic; the software portions may be stored in a memory and executed by a suitable instruction execution system, such as a microprocessor or specially designed hardware. Those skilled in the art will appreciate that the apparatus and methods described above may be implemented using computer executable instructions and/or embodied in processor control code, such code being provided on a carrier medium such as a disk, CD-or DVD-ROM, programmable memory such as read only memory (firmware), or a data carrier such as an optical or electronic signal carrier, for example. The apparatus and its modules of the present invention may be implemented by hardware circuits such as very large scale integrated circuits or gate arrays, semiconductors such as logic chips, transistors, or programmable hardware devices such as field programmable gate arrays, programmable logic devices, etc., or by software executed by various types of processors, or by a combination of hardware circuits and software, e.g., firmware.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides a catch device for wild giant salamander resource investigation which characterized in that, its structure includes the backup pad, be equipped with controller, sliding plate, support column and through-hole in the backup pad, be equipped with the mounting panel on the support column, be equipped with the motor on the mounting panel, the lifting rope is connected through integrated button, lead wire and fishing net to the motor, the controller control motor just reverses.
2. The fishing device for the resource survey of the wild giant salamanders according to claim 1, wherein a motor base plate is arranged at the center of the mounting plate, and a motor is arranged on the motor base plate.
3. The fishing device for the resource survey of the wild giant salamander according to claim 1, wherein the through hole is arranged right below the mounting plate, the sliding plate is larger in area than the through hole, and the sliding plate is provided with a water filtering hole.
4. The fishing device for the wild giant salamander resource investigation of claim 1, wherein the motor is connected with a lifting rope and an integrated button, the integrated button is connected with a lead, and the lead is connected with a fishing net.
5. The fishing device for the wild giant salamander resource survey according to claim 1, wherein a plurality of irregularly distributed coupling sound wave devices are arranged in the fishing net.
6. The fishing device for the wild giant salamander resource investigation of claim 1, wherein the top of the fishing net is provided with a fishing net inner ring for ensuring fish to enter.
7. The fishing device for the resource survey of the wild giant salamanders according to claim 1, wherein the controller further comprises a motor fault diagnosis module, an alarm module;
the motor fault diagnosis module is used for diagnosing motor faults;
and the alarm module is used for carrying out alarm notification on the motor fault.
8. A fishing method for the wild giant salamander resource investigation of the fishing device for the wild giant salamander resource investigation according to any one of claims 1 to 7, characterized in that the fishing method for the wild giant salamander resource investigation is characterized in that the decoupling sound wave device in the fishing net is firstly opened, then the lead wire connected to the fishing net is fixed on the integrating button, the integrating button is connected with the lifting rope, the lifting rope passes through the through hole to be connected with the motor, the motor is controlled by the controller to rotate, the lifting rope is driven to sink the fishing net into water, the top end of the fishing net is provided with the inner ring of the fishing net, the inner ring of the fishing net is smaller than the diameter of the outer ring of the fishing net, after a period of time, the motor is controlled by the controller to reversely rotate, the fishing net is lifted and passes through the through hole, when the bottom end of the fishing net is above the through hole, the sliding plate is pushed to the upper end of the through hole, the lead wire of the integrating button is loosened, and the giant salamander is dumped on the supporting plate 1 and the sliding plate; finally, motor faults are diagnosed through a motor fault diagnosis module; and carrying out alarm notification on the motor fault through an alarm module.
9. The fishing method for resource survey of the wild giant salamanders according to claim 8, characterized in that the motor fault diagnosis module diagnosis method comprises the following steps:
(1) Motor fault diagnosis training;
constructing a motor fault database; storing historical motor fault data into a motor fault database; acquiring motor fault sample information from a motor fault database, respectively obtaining a feature matrix and a mode distance threshold value of a motor fault sample with dimensions eliminated after calculation processing, associating the feature matrix and the mode distance threshold value with each other, and storing to generate a motor fault mode knowledge base;
(2) Diagnosing and operating the motor faults;
acquiring abnormal sample information from a real-time motor fault database, calculating to obtain abnormal characteristic information, sequentially calculating mode distances of sample characteristics in a motor fault mode knowledge base, converting the mode distances into mode similarity, and outputting a final motor fault diagnosis result.
10. The fishing method for resource survey of wild giant salamanders according to claim 9, characterized in that the specific steps of the motor fault diagnosis training are as follows:
acquiring motor fault sample information from a motor fault database; sequentially carrying out piecewise linear fitting on each motor fault sample;
performing feature extraction on each section of data of the motor fault sample to obtain a feature matrix of the motor fault sample;
carrying out motor fault feature conversion, eliminating feature dimensions and obtaining a feature matrix of a motor fault sample with dimensions eliminated;
calculating a mode distance threshold; associating the motor fault characteristic matrix and the mode distance threshold value with each other, and storing to generate a motor fault mode knowledge base;
the method comprises the following specific steps of obtaining motor fault sample information from a motor fault database: selecting a piece of research equipment with the number P of motor fault types being more than or equal to 2 and the occurrence frequency T of each motor fault being more than or equal to 2 to meet the requirement, selecting observation points N with the number of feet, wherein N is more than or equal to 10, carrying out motor fault record searching on historical running state data of the equipment for a long enough time, picking out motor fault related measuring point information, starting and stopping time of a motor fault process and useful information recorded by motor fault maintenance measures from the motor fault record by utilizing a set screening rule, reading motor fault sample data from a power plant real-time motor fault database PI according to the useful information,
wherein: motor fault sample data with n measuring points and m time points, wherein all measuring point data at the moment j are regarded as an n-dimensional column vector and are expressed as follows:
u(t j )=[u j1 ,u j2 ,u j3 ,...,u jn ]
the sample data is stored in a matrix form of m × n, and the specific form is as follows:
Figure FDA0003747885660000031
the line represents m motor fault time, the column represents n equipment observation points, the values of the line m and the line n between each motor fault sample are different, and a motor fault type identifier ID is given to each motor fault sample, and the motor fault type identifier ID determining method is that if all the samples contain X types of motor faults, the numerical range of the motor fault type identifier ID is as follows: 1-X;
the specific steps of sequentially carrying out piecewise linear fitting on each motor fault sample are as follows:
filtering and eliminating noise pollution doped in sample data; carrying out sectional initialization on the motor fault sample after filtering processing; combining every two initialized data segments to calculate a fitting error;
and determining a segmentation cutting point of the motor fault sample, and performing adaptive state segmentation on the motor fault sample.
CN202210830153.3A 2022-07-15 2022-07-15 Fishing device and fishing method for wild giant salamander resource investigation Pending CN115956543A (en)

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