CN112163188A - Dynamic measurement method and device for position information of disconnecting link - Google Patents
Dynamic measurement method and device for position information of disconnecting link Download PDFInfo
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Abstract
The invention provides a dynamic measurement method and a dynamic measurement device for disconnecting link position information, which are used for acquiring the current motion characteristic value of a disconnecting link in real time; determining a posture system of the disconnecting link based on the current motion characteristic value of the disconnecting link; integrating the current motion characteristic values of the disconnecting link based on the attitude system of the disconnecting link, and reflowing to form a closed-loop knowledge base; establishing a fault knowledge base of the disconnecting link by closing the closed-loop knowledge base; the current state of the disconnecting link is determined based on the switching-on and switching-off position of the disconnecting link and a fault knowledge base, so that the intelligent judgment of the state of the disconnecting link is realized, information and instruction circulation links are reduced, and the production operation efficiency is comprehensively improved.
Description
Technical Field
The invention relates to the field of dynamic measurement of position information of an ultra-high voltage disconnecting link, in particular to a dynamic measurement method and a measurement device of the position information of the disconnecting link.
Background
In the transformer substation, the position operation condition of the disconnecting link is inspected in daily life mainly through carrying out tour by an operator to record the position operation condition of the disconnecting link, the position operation condition of the disconnecting link is evaluated and tracked through tour, and dynamic measurement of the disconnecting link position information caused by manual tour has great limitation, so that the production operation efficiency is reduced.
Disclosure of Invention
The invention aims to provide a dynamic measurement method and a dynamic measurement device for disconnecting link position information, and the problem of reduction of production and operation efficiency in the prior art is solved.
In order to solve the technical problems, the invention adopts the following technical scheme:
according to one aspect of the present invention, the present invention provides a method for dynamically measuring knife switch position information, comprising: acquiring the current motion characteristic value of the disconnecting link in real time; determining a posture system of the disconnecting link based on the current motion characteristic value of the disconnecting link; integrating the current motion characteristic values of the disconnecting link based on the attitude system of the disconnecting link, and reflowing to form a closed-loop knowledge base; establishing a fault knowledge base of the disconnecting link by closing the closed-loop knowledge base; the current state of the knife switch is determined based on the fault knowledge base of the knife switch.
According to an aspect of the present disclosure, there is provided a dynamic measurement device for knife switch position information, including: the acquisition module is used for acquiring the current motion characteristic value of the disconnecting link in real time; the first determination module is used for determining a posture system of the disconnecting link based on the current motion characteristic value of the disconnecting link; the integration module is used for integrating the current motion characteristic values of the disconnecting link based on the attitude system of the disconnecting link and refluxing to form a closed loop knowledge base; the establishing module is used for establishing a fault knowledge base of the disconnecting link through a closed loop knowledge base; and the second determination module is used for determining the current state of the disconnecting link based on the fault knowledge base of the disconnecting link.
According to an aspect of the present disclosure, there is provided a computer readable program medium storing computer program instructions which, when executed by a computer, cause the computer to perform the method according to the above.
According to an aspect of the present disclosure, there is provided an electronic apparatus including: a processor; a memory having computer readable instructions stored thereon which, when executed by the processor, implement the method described above.
According to the technical scheme, the embodiment of the invention at least has the following advantages and positive effects:
in the technical scheme provided by some embodiments of the invention, the current motion characteristic value of the disconnecting link is obtained in real time; determining a posture system of the disconnecting link based on the current motion characteristic value of the disconnecting link; integrating the current motion characteristic values of the disconnecting link based on the attitude system of the disconnecting link, and reflowing to form a closed-loop knowledge base; establishing a fault knowledge base of the disconnecting link by closing the closed-loop knowledge base; the current state of the disconnecting link is determined based on the fault knowledge base of the disconnecting link, so that the intelligent judgment of the state of the disconnecting link is realized, information and instruction circulation links are reduced, and the production operation efficiency is comprehensively improved.
Drawings
Fig. 1 is a flow chart illustrating a method for dynamically measuring knife switch position information according to an exemplary embodiment.
Fig. 2 is a system flow diagram illustrating a method for dynamic measurement of knife-switch position information according to an example embodiment.
Fig. 3 is a block diagram illustrating a dynamic measurement device for knife switch position information according to an exemplary embodiment.
FIG. 4 is a hardware diagram illustrating an electronic device according to an example embodiment.
Fig. 5 is a computer readable storage medium illustrating a method for dynamic measurement of knife switch position information according to an example embodiment.
Detailed Description
Exemplary embodiments that embody features and advantages of the invention are described in detail below in the specification. It is to be understood that the invention is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the invention and the description and drawings are to be regarded as illustrative in nature and not as restrictive.
In the transformer substation, the position operation condition of the disconnecting link is inspected in daily life mainly through carrying out tour by an operator to record the position operation condition of the disconnecting link, the position operation condition of the disconnecting link is evaluated and tracked through tour, and dynamic measurement of the disconnecting link position information caused by manual tour has great limitation, so that the production operation efficiency is reduced.
According to an embodiment of the present disclosure, there is provided a dynamic measurement method of knife switch position information, as shown in fig. 1, the dynamic measurement method of knife switch position information includes:
step S110, acquiring the current motion characteristic value of the disconnecting link in real time;
step S120, determining a posture system of the disconnecting link based on the current motion characteristic value of the disconnecting link;
step S130, integrating current motion characteristic values of the disconnecting link based on the attitude system of the disconnecting link, and refluxing to form a closed loop knowledge base;
step S140, establishing a fault knowledge base of the disconnecting link through a closed loop knowledge base;
and S150, determining the current state of the disconnecting link based on the fault knowledge base of the disconnecting link.
In some embodiments of the invention, based on the foregoing scheme, the current motion characteristic value of the disconnecting link is obtained in real time; determining a posture system of the disconnecting link based on the current motion characteristic value of the disconnecting link; integrating the current motion characteristic values of the disconnecting link based on the attitude system of the disconnecting link, and reflowing to form a closed-loop knowledge base; establishing a fault knowledge base of the disconnecting link by closing the closed-loop knowledge base; the current state of the disconnecting link is determined based on the fault knowledge base of the disconnecting link, so that the intelligent judgment of the state of the disconnecting link is realized, information and instruction circulation links are reduced, and the production operation efficiency is comprehensively improved.
In addition, the technical field relates to automatic dynamic measurement of the position of a knife switch in the programming operation process of the south power grid regulation and control integrated construction primary equipment, the position information of the knife switch is automatically uploaded to an intelligent analysis system of a Nanning monitoring center, intelligent ticket-out operation is realized, information and instruction circulation links are reduced, and the production operation efficiency is comprehensively improved; the technical field also relates to a high-performance three-dimensional motion attitude measurement system based on the micro electro mechanical system technology, which measures the motion attitude of the disconnecting link through a sensor data algorithm based on the quaternion, outputs a switch-on/off value range of the disconnecting link and effectively corresponds to an attitude measurement value.
These steps are described in detail below.
In step S110, a current motion characteristic value of the disconnecting link is obtained in real time;
the knife switch has a plurality of motion characteristic values in the motion process, and the motion characteristic values have corresponding numerical values in different states of the knife switch. The knife switch has four states of in-place opening and closing, abnormal opening and closing, mechanism jamming and the like.
The current motion characteristic value of the disconnecting link is obtained in real time, and the collection of the motion characteristic value is guaranteed, so that the motion state of the disconnecting link is conveniently evaluated by utilizing the integration of the motion characteristic value, and the motion state of the disconnecting link is accurately estimated.
In step S120, a posture system of the knife switch is determined based on the current motion characteristic value of the knife switch.
Specifically, the collection of the motion characteristic value is ensured by acquiring the current motion characteristic value of the disconnecting link in real time, so that the motion state of the disconnecting link is conveniently evaluated by utilizing the integration of the motion characteristic value, and the motion state of the disconnecting link is accurately estimated.
In addition, the dynamic measurement method for the position information of the disconnecting link further comprises the following steps:
sensing the running track of the disconnecting link on line;
and judging the current position state of the disconnecting link based on a discrimination algorithm and taking the current position state as the position criterion of the disconnecting link.
Specifically, the operation track of the disconnecting link is predicted based on a prediction system, the operation track of the disconnecting link is judged at the previous moment, and the current position state of the disconnecting link is judged based on a discrimination algorithm, wherein the current movement characteristic value is compared with a preset characteristic value, whether the current movement characteristic value exceeds a preset threshold value is judged, and the position is used as the position of the disconnecting link. Therefore, the corresponding motion characteristic values are effectively acquired through the motion tracks of the disconnecting link, and the position of the disconnecting link is identified on line through the comparison of the motion characteristic values, so that the state of the disconnecting link is determined in real time, and the acquisition of data corresponding to the state of the disconnecting link is ensured.
The judging of the current position state of the disconnecting link based on the discrimination algorithm and the judging of the current position state of the disconnecting link as the position criterion of the disconnecting link comprise:
acquiring data of angular velocity, acceleration and magnetic field components acquired by a gyroscope, an accelerometer and a magnetometer;
determining a gravity included angle and a magnetic field included angle of three axes of a sensor at the current position of the disconnecting link;
after three-dimensional attitude fusion, filtering noise signals in the three-dimensional attitude fusion by using a Kalman algorithm;
and converting the quaternion into an Euler angle to obtain a swing angle value of the isolating switch, and comparing the swing angle value with the opening and closing numerical values of the prefabricated isolating switch to judge the opening and closing positions of the disconnecting switch.
The method comprises the steps of acquiring angular velocity, acceleration and magnetic field component data through a gyroscope, an accelerometer and a magnetometer, and measuring the gravity included angle of three axes of a sensor at the current position and the magnetic field included angle of three axes of the sensor at the current position. And after three-dimensional attitude fusion, filtering noise signals in the three-dimensional attitude fusion by using a Kalman algorithm, converting quaternion into Euler angles to obtain a swing angle value of the isolating switch, and comparing the swing angle value with the preset separating position and closing position numerical values of the isolating switch to finally judge the separating and closing positions of the isolating switch.
In addition, the attitude sensing system measures the movement attitude of the disconnecting link through a sensor data algorithm based on the quaternion, outputs a switching value domain of the disconnecting link and effectively corresponds to an attitude measurement value. The basic principle is as follows: nine-axis sensor data are collected through a processor, Kalman filtering is carried out, and quaternions are converted into Euler angles. The angle value can be obtained.
The position of the isolating switch is set to be an initial zero position, and the switch is closed. The sensor can judge whether the switch is in place or not according to the acquired data and the set position.
In step S130, the current motion characteristic values of the knife switch are integrated based on the attitude system of the knife switch, and reflowing to form a closed-loop knowledge base.
In step S140, a fault knowledge base of the knife switch is established by closing the closed loop knowledge base
The method comprises the steps that motion data of on-site disconnecting links of a 500kV transformer substation, such as in-place disconnecting links, in-place closing, abnormal opening and closing and mechanism jamming are summarized and analyzed, motion characteristic values of various conditions of the disconnecting links are extracted, a static closing position and opening position attitude characteristic value based on the disconnecting links of the 500kV transformer substation is established, and when disconnecting switches are operated, if actual x, Y and Z attitude angles of the disconnecting links are gamma, whenever the attitude sensing system judges that the alpha is less than or equal to gamma and less than or equal to + alpha, the attitude sensing system outputs a disconnecting link in-place signal, and when the gamma is less than-alpha or gamma is greater than alpha, the attitude sensing system reliably outputs a disconnecting link abnormal signal; when the disconnecting switch is operated to switch on, if the actual x, Y and Z attitude angles of switch on are gamma, whenever the attitude sensing system judges that gamma is not less than theta-beta and not more than theta + beta, the attitude sensing system outputs a switch-off in-place signal, and when gamma is less than theta-beta or more than gamma and not more than theta + beta, the attitude sensing system outputs a switch-on abnormal signal. And a switch position data closed-loop knowledge base effectively corresponding to the value range of the switch opening and closing abnormal attitude characteristic value of the switching operation switch,
establishing a fault knowledge base of the disconnecting link under various conditions through field investigation and data analysis; the switch attitude sensing system based on the value range of the characteristic value realizes characteristic value extraction based on multi-source heterogeneous data; and by utilizing the attitude sensing system, the data integration and data backflow learning integration work of the intelligent engine and the service system is realized, a data closed loop is formed, and the abnormal state in the position and the motion of the disconnecting link is accurately identified.
In step S150, the current state of the knife switch is determined based on the failure knowledge base of the knife switch.
The current state of the disconnecting link is determined based on the fault knowledge base of the disconnecting link, so that the intelligent judgment of the state of the disconnecting link is realized, information and instruction circulation links are reduced, and the production operation efficiency is comprehensively improved.
In addition, the dynamic measurement method for the position information of the disconnecting link further comprises the following steps:
and (3) carrying out knife switch motion attitude measurement based on a quaternary sensor data algorithm, outputting a switch-on/off value domain of the knife switch, and effectively corresponding to an attitude measurement value.
Quaternion is defined as
In the formula:
where e is the unit vector along the axis of rotation and α is the angle of rotation. Quaternion satisfying the constraint condition
qTq＝1
The quaternion and attitude matrix have the following relationships:
wherein, I3×3Is a 3 x 3 unit matrix of,
ground coordinate system Axyz and projectile coordinate system O1x1y1z1Can be expressed by the following equation
b＝Ar
Wherein, b and r are respectively the representation forms of a certain vector in a projectile coordinate system and a ground coordinate system, specifically
Comparing the equations to obtain a quaternion representation of the attitude angle
The quaternion q can also be expressed in terms of attitude angle, i.e.
Wherein, the symbol
Denotes a quaternion multiplication, which is defined as follows
Wherein A ═ A4+A1i+A2j+A3k and B ═ B4+B1i+B2j+B3k is a quaternion.
Can be expressed as
The above provides a conversion relationship between projectile attitude and quaternion.
The knife switch movement attitude measurement is carried out through a sensor data algorithm based on the quaternion, and the switching value domain of the knife switch is output to effectively correspond to the attitude measurement value. The basic principle is as follows: nine-axis sensor data are collected through a processor, Kalman filtering is carried out, and quaternions are converted into Euler angles. The angle value can be obtained.
The position of the isolating switch is set to be an initial zero position, and the switch is closed. The sensor can judge whether the switch is in place or not according to the acquired data and the set position.
As shown in fig. 2, the method for dynamically measuring the knife switch position information further includes:
initializing a posture system of the disconnecting link;
reading attitude data of the disconnecting link, fusing the attitude data, and filtering out noise signals by using a Kalman algorithm;
converting the quaternary elements into Euler angles to obtain attitude angle values of the changed positions of the disconnecting link and disconnecting link switching-on and switching-off value domains and characteristic values of the switching-on and switching-off of the disconnecting link in the disconnecting link position information knowledge base;
and comparing and analyzing the attitude angle value of the change of the position of the disconnecting link with the disconnecting link switching-on and switching-off value domain and the switching-on and switching-off characteristic value of the disconnecting link position information knowledge base to output static disconnecting link switching-on information, switching-off information, dynamic disconnecting link switching-on and switching-off abnormal information and disconnecting link real-time torque abnormal information.
The method comprises the steps of establishing a 500kV disconnecting link position information physical model based on 500kV on-site disconnecting link historical motion data analysis based on static disconnecting link closing and separating attitude data and switching operation dynamic track attitude data of a transformer substation, establishing a 500kV on-site disconnecting link position information knowledge base, and applying the knowledge base to on-line monitoring of the closing state of the disconnecting link position and remote confirmation of the intelligent one-key sequential control disconnecting link position.
The method comprises the steps that motion data of on-site disconnecting links of a 500kV transformer substation, such as in-place disconnecting links, in-place closing, abnormal opening and closing and mechanism jamming are summarized and analyzed, motion characteristic values of various conditions of the disconnecting links are extracted, a static closing position and opening position attitude characteristic value based on the disconnecting links of the 500kV transformer substation is established, and when disconnecting switches are operated, if actual x, Y and Z attitude angles of the disconnecting links are gamma, whenever the attitude sensing system judges that the alpha is less than or equal to gamma and less than or equal to + alpha, the attitude sensing system outputs a disconnecting link in-place signal, and when the gamma is less than-alpha or gamma is greater than alpha, the attitude sensing system reliably outputs a disconnecting link abnormal signal; when the disconnecting switch is operated to switch on, if the actual x, Y and Z attitude angles of switch on are gamma, whenever the attitude sensing system judges that gamma is not less than theta-beta and not more than theta + beta, the attitude sensing system outputs a switch-off in-place signal, and when gamma is less than theta-beta or more than gamma and not more than theta + beta, the attitude sensing system outputs a switch-on abnormal signal.
After the knife switch attitude sensor system is initialized, awakening through fine change of the knife switch position or receiving an upper-level instruction, reading attitude data of a knife switch 9 shaft, fusing three-dimensional attitude data, filtering out noise signals through a Kalman algorithm, converting four elements into Euler angles to obtain attitude angle values of the changed knife switch position, automatically comparing and analyzing the attitude angle values with a knife switch opening and closing value domain and a characteristic value of an opening and closing switch of a knife switch position information knowledge base, and outputting static knife switch closing position information, separating position information, dynamic knife switch opening and closing position abnormal information and knife switch real-time torque abnormal information. The intelligent sequential control disconnecting link remote double-confirmation system has the function of on-line monitoring of the disconnecting link closing position station and the function of intelligent sequential control disconnecting link remote double-confirmation.
According to the technical scheme, the embodiment of the invention at least has the following advantages and positive effects:
in the technical scheme provided by some embodiments of the invention, the current motion characteristic value of the disconnecting link is obtained in real time; determining a posture system of the disconnecting link based on the current motion characteristic value of the disconnecting link; integrating the current motion characteristic values of the disconnecting link based on the attitude system of the disconnecting link, and reflowing to form a closed-loop knowledge base; establishing a fault knowledge base of the disconnecting link by closing the closed-loop knowledge base; the current state of the disconnecting link is determined based on the fault knowledge base of the disconnecting link, so that the intelligent judgment of the state of the disconnecting link is realized, information and instruction circulation links are reduced, and the production operation efficiency is comprehensively improved.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.
As shown in fig. 3, in an embodiment, the intelligent and well-controlled dynamic measurement device 200 further includes:
the obtaining module 210 is configured to obtain a current motion characteristic value of the disconnecting link in real time;
the first determination module 220 is used for determining a posture system of the knife switch based on the current motion characteristic value of the knife switch;
an integration module 230, configured to integrate the current motion characteristic values of the knife switch based on the attitude system of the knife switch, and perform a reflow to form a closed-loop knowledge base;
an establishing module 240, configured to establish a fault knowledge base of the disconnecting link by closing the closed-loop knowledge base;
a second determining module 250 for determining the current state of the knife switch based on the failure knowledge base of the knife switch.
An electronic device 40 according to this embodiment of the invention is described below with reference to fig. 4. The electronic device 40 shown in fig. 4 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiment of the present invention.
As shown in fig. 4, electronic device 40 is embodied in the form of a general purpose computing device. The components of electronic device 40 may include, but are not limited to: the at least one processing unit 41, the at least one memory unit 42, and a bus 43 connecting the various system components (including the memory unit 42 and the processing unit 41).
Wherein the storage unit stores program code executable by the processing unit 41 to cause the processing unit 41 to perform the steps according to various exemplary embodiments of the present invention described in the section "example methods" above in this specification.
The storage unit 42 may include readable media in the form of volatile memory units, such as a random access memory unit (RAM)421 and/or a cache memory unit 422, and may further include a read only memory unit (ROM) 423.
The storage unit 42 may also include a program/utility 424 having a set (at least one) of program modules 425, such program modules 425 including, but not limited to: an operating system, one or more application programs, other program modules, and program data, each of which, or some combination thereof, may comprise an implementation of a network environment.
The electronic device 40 may also communicate with one or more external devices (e.g., keyboard, pointing device, bluetooth device, etc.), with one or more devices that enable a user to interact with the electronic device 40, and/or with any devices (e.g., router, modem, etc.) that enable the electronic device 40 to communicate with one or more other computing devices. Such communication may be through an input/output (I/O) interface 45. Also, the electronic device 40 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the Internet) via the network adapter 46. As shown in FIG. 5, the network adapter 46 communicates with the other modules of the electronic device 40 via the bus 43. It should be appreciated that although not shown in FIG. 5, other hardware and/or software modules may be used in conjunction with electronic device 40, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems, among others.
Through the above description of the embodiments, those skilled in the art will readily understand that the exemplary embodiments described herein may be implemented by software, or by software in combination with necessary hardware. Therefore, the technical solution according to the embodiments of the present disclosure may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a usb disk, a removable hard disk, etc.) or on a network, and includes several instructions to enable a computing device (which may be a personal computer, a server, a terminal device, or a network device, etc.) to execute the method according to the embodiments of the present disclosure.
There is also provided, in accordance with an embodiment of the present disclosure, a computer-readable storage medium having stored thereon a program product capable of implementing the above-described method of the present specification. In some possible embodiments, aspects of the invention may also be implemented in the form of a program product comprising program code means for causing a terminal device to carry out the steps according to various exemplary embodiments of the invention described in the above section "exemplary methods" of the present description, when said program product is run on the terminal device.
Referring to fig. 5, a program product 50 for implementing the above method according to an embodiment of the present invention is described, which may employ a portable compact disc read only memory (CD-ROM) and include program code, and may be run on a terminal device, such as a personal computer. However, the program product of the present invention is not limited in this regard and, in the present document, a readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. A readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium include: an electrical connection having one or more wires, a portable disk, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
A computer readable signal medium may include a propagated data signal with readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A readable signal medium may also be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device and partly on a remote computing device, or entirely on the remote computing device or server. In the case of a remote computing device, the remote computing device may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device (e.g., through the internet using an internet service provider).
Furthermore, the above-described figures are merely schematic illustrations of processes involved in methods according to exemplary embodiments of the invention, and are not intended to be limiting. It will be readily understood that the processes shown in the above figures are not intended to indicate or limit the chronological order of the processes. In addition, it is also readily understood that these processes may be performed synchronously or asynchronously, e.g., in multiple modules.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is only limited by the appended claims.
Claims (8)
1. A dynamic measurement method for knife switch position information is characterized by comprising the following steps:
acquiring the current motion characteristic value of the disconnecting link in real time;
determining a posture system of the disconnecting link based on the current motion characteristic value of the disconnecting link;
integrating the current motion characteristic values of the disconnecting link based on the attitude system of the disconnecting link, and reflowing to form a closed-loop knowledge base;
establishing a fault knowledge base of the disconnecting link by closing the closed-loop knowledge base;
the current state of the knife switch is determined based on the fault knowledge base of the knife switch.
2. The dynamic measurement method of the knife switch position information according to claim 1, characterized in that the dynamic measurement method of the knife switch position information further comprises:
sensing the running track of the disconnecting link on line;
and judging the current position state of the disconnecting link based on a discrimination algorithm and taking the current position state as the position criterion of the disconnecting link.
3. The dynamic measurement method for the position information of the disconnecting link according to claim 2, wherein the judging the current position state of the disconnecting link based on the discrimination algorithm and serving as the position criterion of the disconnecting link comprises:
acquiring data of angular velocity, acceleration and magnetic field components acquired by a gyroscope, an accelerometer and a magnetometer;
determining a gravity included angle and a magnetic field included angle of three axes of a sensor at the current position of the disconnecting link;
after three-dimensional attitude fusion, filtering noise signals in the three-dimensional attitude fusion by using a Kalman algorithm;
and converting the quaternion into an Euler angle to obtain a swing angle value of the isolating switch, and comparing the swing angle value with the opening and closing numerical values of the prefabricated isolating switch to judge the opening and closing positions of the disconnecting switch.
4. The dynamic measurement method of the knife switch position information according to claim 1, characterized in that the dynamic measurement method of the knife switch position information further comprises:
and (3) carrying out knife switch motion attitude measurement based on a quaternary sensor data algorithm, outputting a switch-on/off value domain of the knife switch, and effectively corresponding to an attitude measurement value.
5. The dynamic measurement method of the knife switch position information according to claim 1, characterized in that the dynamic measurement method of the knife switch position information further comprises:
initializing a posture system of the disconnecting link;
reading attitude data of the disconnecting link, fusing the attitude data, and filtering out noise signals by using a Kalman algorithm;
converting the quaternary elements into Euler angles to obtain attitude angle values of the changed positions of the disconnecting link and disconnecting link switching-on and switching-off value domains and characteristic values of the switching-on and switching-off of the disconnecting link in the disconnecting link position information knowledge base;
and comparing and analyzing the attitude angle value of the change of the position of the disconnecting link with the disconnecting link switching-on and switching-off value domain and the switching-on and switching-off characteristic value of the disconnecting link position information knowledge base to output static disconnecting link switching-on information, switching-off information, dynamic disconnecting link switching-on and switching-off abnormal information and disconnecting link real-time torque abnormal information.
6. A dynamic knife switch position information measuring device is characterized by comprising:
the acquisition module is used for acquiring the current motion characteristic value of the disconnecting link in real time;
the first determination module is used for determining a posture system of the disconnecting link based on the current motion characteristic value of the disconnecting link;
the integration module is used for integrating the current motion characteristic values of the disconnecting link based on the attitude system of the disconnecting link and refluxing to form a closed loop knowledge base;
the establishing module is used for establishing a fault knowledge base of the disconnecting link through a closed loop knowledge base;
and the second determination module is used for determining the current state of the disconnecting link based on the fault knowledge base of the disconnecting link.
7. A computer-readable program medium, characterized in that it stores computer program instructions which, when executed by a computer, cause the computer to perform the method according to any one of claims 1 to 5.
8. An electronic device, comprising:
a processor;
a memory having stored thereon computer readable instructions which, when executed by the processor, implement the method of any of claims 1 to 5.
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