Data transmission and control method and system based on Beidou short message

Abstract

The invention discloses a data transmission and control method and system based on a Beidou short message, and relates to the technical field of remote monitoring and communication, and the method comprises the steps: a Beidou slave station receives remote signaling and telemetering data, carries out the data processing of the received data, packages the data into a Beidou short message format, carries out the data transmission through a multi-mode command transmission protocol, and carries out the data transmission through a Beidou short message transmission protocol; the method comprises the following steps: receiving command data converted by a Beidou master station, monitoring a system in real time through a command execution state, feeding back an execution progress and state to the master station in real time, automatically executing a recovery process through a fault self-healing mechanism when data transmission is abnormal, and automatically adjusting data transmission frequency and power by utilizing a self-adaptive energy management algorithm, so as to realize real-time data transmission. And through the data transmission prediction model, predicting a data transmission demand, and adjusting a data refreshing strategy in advance. Through the adaptive energy management algorithm and the prediction model, the data transmission frequency and power are dynamically adjusted, the energy consumption is optimized, and the data transmission efficiency and real-time performance are improved.

Description

Technical Field

[0001] The present invention relates to the field of remote monitoring and communication technology, and in particular to a method and system for data transmission and control based on Beidou short messages. Background Art

[0003] In recent years, earthquakes have caused regional mountains to break, geology to loosen, and there are many collapsed blocks and rubble piles. At the same time, affected by the El Nino event, extreme weather such as rainstorms and floods occurred frequently, and the company continued to suffer from multiple heavy rainstorms, floods, and mudslides, causing property losses to the company.

[0004] The control system data transmission scheme based on Beidou short message is studied, which can be used for telemetry, telesignaling and remote control of power station dam water level and gates under extreme conditions. It is hoped that Beidou can be used for communication of dam control system and realize backup communication means of ground communication. When ground communication is interrupted, the reliability and availability of data transmission of monitoring system will be greatly improved, providing strong support for power station safety production, flood prevention and disaster relief. This system can reduce the frequency of manual measurement by personnel on site, improve the accuracy, timeliness and continuity of data, and avoid numerical deviation and periodic deviation of manual readings. Summary of the invention

[0005] In view of the above-mentioned existing problems, the present invention provides a method and system for data transmission and control based on Beidou short messages, which is used to solve the problem in the prior art of how to dynamically adjust the data transmission frequency and power through adaptive energy management algorithms and prediction models in remote monitoring and control systems to optimize energy consumption, improve data transmission efficiency and real-time performance, while ensuring the reliability of the system under different environmental conditions and adaptability to hardware specification restrictions, extending the service life of the equipment and improving the overall system performance.

[0006] In order to solve the above technical problems, a method for data transmission and control based on Beidou short message is proposed, including:

[0007] The Beidou slave station receives telesignaling and telemetry data, processes the received data and encapsulates it into Beidou short message format, and uses the multimodal command transmission protocol for data transmission; it receives the command data converted by the Beidou master station, monitors the system in real time through the command execution status, and feeds back the execution progress and status to the master station in real time. At the same time, through the fault self-healing mechanism, it automatically executes the recovery process when data transmission abnormalities are detected; it uses the adaptive energy management algorithm to automatically adjust the data transmission frequency and power according to the energy status and workload of the Beidou card, and predicts the data transmission requirements through the data transmission prediction model, and adjusts the data refresh strategy in advance.

[0008] As a preferred solution of the method for data transmission and control based on Beidou short messages described in the present invention, the receiving of telesignaling and telemetry data includes that the Beidou slave station establishes a connection with the remote monitoring device through a communication interface, and receives the telesignaling and telemetry data in accordance with the communication protocol.

[0009] The telesignaling data includes switch status, equipment status, fault signal, alarm signal and control signal; the telemetry data includes electrical parameters and non-electrical parameters; the electrical parameters include voltage, current, active power, reactive power, power factor and frequency; the non-electrical parameters include temperature, pressure, flow, liquid level, humidity, smoke concentration and gas concentration.

[0010] As a preferred solution of the method for data transmission and control based on Beidou short messages described in the present invention, the data transmission includes converting the collected data into digital quantities and storing them, the Beidou slave station encapsulating the stored data points according to the format requirements of the Beidou short message, and the Beidou slave station uses a multi-modal command transmission protocol to send the encapsulated Beidou short message to the master station through the Beidou terminal.

[0011] The sending process of the modal command transmission protocol is as follows:

[0012] S ( M ) =MMCTP ( M)

[0013] Among them, S(M) is the data sending function, MMCTP is the multimodal command transmission protocol, and M is the Beidou short message.

[0014] As a preferred solution of the method for data transmission and control based on Beidou short messages described in the present invention, the feedback of execution progress and status includes receiving command data converted by the Beidou master station, monitoring the system in real time through the command execution status, and feeding back the execution progress and status to the master station in real time.

[0015] The receiving of command data includes the Beidou slave station receiving the command data sent by the Beidou master station through a preset communication interface. After receiving the command data, the slave station verifies the data; the command data includes switch control, parameter adjustment and device query; the verification of data includes checking data integrity, verifying the legitimacy of the data source and confirming that the data has not been tampered with during transmission.

[0016] The command execution includes the slave parsing the received command data, extracting the operation instruction, the target device address and the execution parameter, and according to the parsed operation instruction, the slave controlling the corresponding device to perform the operation.

[0017] The real-time monitoring system includes a monitoring system at the slave station that tracks the execution status of each command in real time during the command execution process. The monitoring system records the execution status information and forms a status report; the execution status of the command includes whether it is successfully executed, the execution progress, and any errors and exceptions encountered; the execution status information includes the execution result code, execution timestamp and error code.

[0018] The feedback execution progress and status includes encapsulating the status information into a message containing a status code and description information according to the recorded execution status, and sending the encapsulated status feedback data back to the Beidou master station through the Beidou terminal. After the slave station sends the status feedback, it waits for the confirmation reply from the master station, and records the entire command execution process and status feedback process in the log.

[0019] As a preferred solution of the method for data transmission and control based on Beidou short messages described in the present invention, the fault self-healing mechanism includes continuously detecting whether there is an abnormality during the data transmission process, and when a fault signal is detected, the system automatically executes a recovery process.

[0020] The detection signal fault formula is:

[0021]

[0022] Among them, F is the anomaly detection index, T i is the transmission time of the ith data packet, i is the variable index, is the average value of the packet transmission time, σ T is the standard deviation of packet transmission time, n is the number of packets, φ is the density function of the standard normal distribution, R j is the reception quality indicator of the jth data packet, j is the variable index, is the average value of the data packet reception quality indicator, m is the number of data packet reception quality indicators, and Λ is the correction function.

[0023] The correction function formula is:

[0024]

[0025] Among them, k is the adjustment coefficient, α is the threshold of abnormal reception quality, and x is the input data.

[0026] The threshold of Λ(x) is [0,∞); when 0≤Δ≤0.5, it indicates that there is no abnormality in data transmission; when Δ>0.5, it indicates that data transmission is abnormal and the recovery process needs to be triggered.

[0027] As a preferred solution of the method for data transmission and control based on Beidou short messages described in the present invention, the adaptive energy management algorithm includes monitoring the energy status and current workload of the Beidou card, using an evaluation function to evaluate the comprehensive impact of the current energy status and workload, and determining whether it is necessary to adjust the data transmission frequency and power based on the evaluation results. When the frequency and power need to be adjusted, the frequency adjustment function is used to calculate the new transmission frequency, and the power adjustment function is used to calculate the new transmission power.

[0028] The evaluation function formula is:

[0029] A(E,L)=w1·E+w2·(1-L)

[0030] Among them, A(E,L) is the evaluation result, w1 and w2 are weight coefficients, E is the energy state of the Beidou card, and L is the current workload; when A(E,L) th When the adjustment mechanism is triggered, the transmission frequency and power are adjusted.

[0031] The formula for adjusting the transmission frequency is:

[0032]

[0033] Among them, F max is the maximum transmission frequency, E th is the energy threshold, L max is the maximum workload, E is the energy state of the Beidou card, L is the current workload, and F'(E,L) is the new transmission frequency.

[0034] The formula for adjusting the transmission power is:

[0035]

[0036] Among them, P max is the maximum transmission power, E th is the energy threshold, L max is the maximum workload, E is the energy state of the Beidou card, L is the current workload, and P' ( E,L ) is the new transmission power.

[0037] As a preferred solution of the method for data transmission and control based on Beidou short messages described in the present invention, wherein: the adjustment of the data refresh strategy includes using historical data to build a data transmission demand prediction model, using the prediction model to predict the data transmission demand, analyzing the prediction results, determining the peak and trough periods of data transmission, and adjusting the data refresh strategy according to the prediction results.

[0038] ​The refresh strategy includes increasing the refresh frequency when demand is predicted, and reducing the refresh frequency when no demand is predicted.

[0039] Another object of the present invention is to provide a data transmission and control system based on Beidou short messages. The present invention optimizes the data transmission efficiency and realizes efficient information transmission. The system of the present invention solves the problems of low data transmission efficiency, excessive energy consumption, and system adaptability to environmental changes and hardware specification limitations in remote monitoring and control systems through an adaptive energy management algorithm and a data transmission demand prediction model based on historical data. Specifically, it ensures efficient and real-time data transmission by dynamically adjusting the frequency and power of data transmission, while optimizing energy use, extending the service life of the equipment, and improving the reliability and stability of the system under various environmental conditions.

[0040] As a preferred solution of the Beidou short message-based data transmission and control system described in the present invention, it is characterized by including a data receiving and encapsulation module, a data transmission module, a command execution and feedback module, a fault self-healing mechanism module and an adaptive energy management algorithm module.

[0041] The data receiving and encapsulating module is used for the Beidou slave station to establish a connection with the remote monitoring equipment through the communication interface, receive the telesignaling and telemetry data in accordance with the communication protocol, process the received data, and encapsulate it into the Beidou short message format for transmission through the Beidou system.

[0042] The data transmission module is used to convert the processed data into digital quantities, and encapsulate them according to the format requirements of the Beidou short message, and use the multi-modal command transmission protocol to send the encapsulated Beidou short message to the main station through the Beidou terminal.

[0043] The command execution and feedback module is used to receive command data sent by the Beidou master station, verify the integrity, source legitimacy and whether the data has been tampered with, parse the command data, extract operation instructions, target device address and execution parameters, control the device to execute operations, track the execution of commands in real time, record status reports, encapsulate the execution status into a message, send it back to the Beidou master station through the Beidou terminal, and record the entire command execution process.

[0044] The fault self-healing mechanism module is used to continuously monitor abnormal conditions during data transmission, detect fault signals using formulas and indicators, and automatically execute a predetermined recovery process to restore the normal state of data transmission when an abnormality is detected.

[0045] The adaptive energy management algorithm module is used to monitor the energy status and current workload of the Beidou card, use the evaluation function to evaluate the combined impact of the current energy status and workload, determine whether it is necessary to adjust the data transmission frequency and power based on the evaluation results, use historical data and prediction models to analyze data transmission requirements, adjust the data refresh strategy based on the demand prediction results, and optimize energy usage.

[0046] A computer device comprises a memory and a processor, wherein the memory stores a computer program, and is characterized in that when the processor executes the computer program, the steps of the method of data transmission and control based on Beidou short messages are implemented.

[0047] A computer-readable storage medium having a computer program stored thereon, characterized in that when the computer program is executed by a processor, the steps of the method described for data transmission and control based on Beidou short messages are implemented.

[0048] Beneficial effects of the present invention: The present invention receives and encapsulates telesignaling and telemetry data into Beidou short message format, and uses a multimodal command transmission protocol for data transmission, thereby achieving high efficiency and accuracy in data interaction. At the same time, by real-time monitoring and feedback of command execution status, the automation level of the system and the transparency of operation are improved. The introduction of a fault self-healing mechanism and automatic execution of the recovery process significantly enhance the stability and self-maintenance capabilities of the system and reduce downtime. The use of adaptive energy management algorithms and data transmission prediction models optimizes energy consumption, extends the service life of equipment, and further improves data transmission efficiency and the overall performance of the system by dynamically adjusting the data refresh strategy. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0050] Figure 1 An overall flow chart of a method for data transmission and control based on Beidou short messages provided for one embodiment of the present invention.

[0051] Figure 2 A schematic diagram of data transmission of a method for data transmission and control based on Beidou short messages provided by an embodiment of the present invention.

[0052] Figure 3 A system solution flow chart of a system for data transmission and control based on Beidou short messages provided for one embodiment of the present invention. DETAILED DESCRIPTION

[0053] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the drawings of the specification. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary persons in the art without creative work should fall within the scope of protection of the present invention.

[0054] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0055] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it an embodiment that is mutually exclusive with other embodiments, either individually or selectively.

[0056] The present invention is described in detail with reference to schematic diagrams. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0057] At the same time, in the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper, lower, inner and outer" are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first, second or third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0058] In the present invention, unless otherwise clearly specified and limited, the terms "install, connect, connect" should be understood in a broad sense, for example: it can be a fixed connection, a detachable connection or an integral connection; it can also be a mechanical connection, an electrical connection or a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0059] Example 1, reference Figure 1 and Figure 2, which is the first embodiment of the present invention, provides a method for data transmission and control based on Beidou short message, including:

[0060] S1: The Beidou slave station receives telesignaling and telemetry data, processes the received data and encapsulates it into Beidou short message format, and uses the multi-modal command transmission protocol for data transmission.

[0061] Furthermore, the acquisition of telesignaling and telemetry data includes the Beidou slave station establishing a connection with a remote monitoring device such as an LCU through its communication interface, and following the IEC101 communication protocol to receive a series of telesignals such as device status signals and telemetry such as temperature and pressure information.

[0062] The telesignaling data includes switch status, equipment status, fault signal, alarm signal and control signal; the telemetry data includes electrical parameters and non-electrical parameters; the electrical parameters include voltage, current, active power, reactive power, power factor and frequency; the non-electrical parameters include temperature, pressure, flow, liquid level, humidity, smoke concentration and gas concentration.

[0063] Furthermore, the Beidou slave station needs to convert and store the data in the set. The conversion process includes converting the original data format into a format that can be recognized by the Beidou short message. The storage process stores the converted data points in the memory of the slave station for subsequent packaging and use.

[0064] The encapsulation includes the Beidou slave station encapsulating the stored data points according to the format requirements of the Beidou short message.

[0065] The data transmission includes converting the collected data into digital quantities and storing them, the Beidou slave station encapsulating the stored data points according to the format requirements of the Beidou short message, and the Beidou slave station sending the encapsulated Beidou short message to the master station through the Beidou terminal using a multimodal command transmission protocol;

[0066] The sending process of the modal command transmission protocol is as follows:

[0067] S ( M ) =MMCTP ( M )

[0068] Among them, S(M) is the data sending function, MMCTP is the multimodal command transmission protocol, and M is the Beidou short message.

[0069] S2: Receives command data converted by the Beidou master station, monitors the system in real time through command execution status, and feeds back execution progress and status to the master station in real time. At the same time, through the fault self-healing mechanism, it automatically executes the recovery process when data transmission abnormalities are detected.

[0070] Furthermore, the feedback of execution progress and status includes receiving command data converted by the Beidou master station, monitoring the system in real time through the command execution status, and feeding back the execution progress and status to the master station in real time.

[0071] like Figure 2 The receiving command data includes the Beidou slave station receiving the command data sent by the Beidou master station through a preset communication interface. After receiving the command data, the slave station verifies the data; the command data includes switch control, parameter adjustment and device query; the data verification includes checking data integrity, verifying the legitimacy of the data source and confirming that the data has not been tampered with during transmission.

[0072] The command execution includes the slave parsing the received command data, extracting the operation instruction, the target device address and the execution parameter, and according to the parsed operation instruction, the slave controlling the corresponding device to perform the operation.

[0073] The real-time monitoring system includes a monitoring system at the slave station that tracks the execution status of each command in real time during the command execution process. The monitoring system records the execution status information and forms a status report; the execution status of the command includes whether it is successfully executed, the execution progress, and any errors and exceptions encountered; the execution status information includes the execution result code, execution timestamp and error code.

[0074] Furthermore, the feedback execution progress and status includes encapsulating the status information into a message containing a status code and description information according to the recorded execution status, and sending the encapsulated status feedback data back to the Beidou master station through the Beidou terminal. After the slave station sends the status feedback, it waits for the confirmation reply from the master station, and records the entire command execution process and status feedback process in the log.

[0075] The fault self-healing mechanism includes that during the data transmission process, the system continuously detects whether there is an abnormality. If an abnormality is detected, a signal fault is output; when a signal fault is detected, the system automatically executes a recovery process, including retransmitting commands, switching communication channels and restarting the device.

[0076] The detection signal fault formula is:

[0077]

[0078] Among them, F is the anomaly detection index, T i is the transmission time of the ith data packet, i is the variable index, is the average value of the packet transmission time, σ T is the standard deviation of packet transmission time, n is the number of packets, φ is the density function of the standard normal distribution, R jis the reception quality indicator of the jth data packet, j is the variable index, is the average value of the data packet reception quality indicator, m is the number of data packet reception quality indicators, and Λ is the correction function.

[0079] The correction function formula is:

[0080]

[0081] Among them, k is the adjustment coefficient, α is the threshold of abnormal reception quality, and x is the input data.

[0082] Among them, Λ ( The threshold of x) is [0,∞); when 0≤Δ≤0.5, it indicates that there is no abnormality in data transmission; when Δ>0.5, it indicates that data transmission is abnormal and the recovery process needs to be triggered.

[0083] S3: Use the adaptive energy management algorithm to automatically adjust the data transmission frequency and power according to the energy status and workload of the Beidou card. Use the data transmission prediction model to predict data transmission needs and adjust the data refresh strategy in advance.

[0084] Furthermore, the adaptive energy management algorithm includes monitoring the energy status and current workload of the Beidou card, using an evaluation function to evaluate the combined impact of the current energy status and workload, and determining whether it is necessary to adjust the data transmission frequency and power based on the evaluation results. When the frequency and power need to be adjusted, the frequency adjustment function is used to calculate the new transmission frequency, and the power adjustment function is used to calculate the new transmission power.

[0085] The evaluation function formula is:

[0086] A(E,L)=w1·E+w2·(1-L)

[0087] Among them, A(E,L) is the evaluation result, w1 and w2 are weight coefficients, E is the energy state of the Beidou card, and L is the current workload; when A(E,L) th When the adjustment mechanism is triggered, the transmission frequency and power are adjusted.

[0088] The formula for adjusting the transmission frequency is:

[0089]

[0090] Among them, F max is the maximum transmission frequency, E th is the energy threshold, L max is the maximum workload, E is the energy state of the Beidou card, L is the current workload, and F'(E,L) is the new transmission frequency.

[0091] ​The formula for adjusting the transmission power is:

[0092]

[0093] Among them, P max is the maximum transmission power, E th is the energy threshold, L max is the maximum workload, E is the energy state of the Beidou card, L is the current workload, and P'(E,L) is the new transmission power.

[0094] Furthermore, the adjustment of the data refresh strategy includes using historical data to build a data transmission demand prediction model, using the prediction model to predict data transmission demand, analyzing the prediction results, determining the peak and trough periods of data transmission, and adjusting the data refresh strategy based on the prediction results.

[0095] The refresh strategy includes increasing the refresh frequency when demand is predicted, and reducing the refresh frequency when no demand is predicted.

[0096] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

[0097] Example 2, reference Figure 3 , which is the second embodiment of the present invention, provides a system for data transmission and control based on Beidou short messages, including a data receiving and encapsulation module 100, a data transmission module 200, a command execution and feedback module 300, a fault self-healing mechanism module 400 and an adaptive energy management algorithm module 500.

[0098] The data receiving and encapsulating module 100 is used for the Beidou slave station to establish a connection with the remote monitoring device through the communication interface, receive telesignaling and telemetry data in accordance with the communication protocol, process the received data, and encapsulate it into the Beidou short message format for transmission through the Beidou system.

[0099] The data transmission module 200 is used to convert the processed data into digital quantities, and encapsulate them according to the format requirements of the Beidou short message, and use the multi-modal command transmission protocol to send the encapsulated Beidou short message to the master station through the Beidou terminal.

[0100] The command execution and feedback module 300 is used to receive command data sent by the Beidou master station, verify the integrity, source legitimacy and whether the data has been tampered with, parse the command data, extract operation instructions, target device address and execution parameters, control the device to execute operations, track the execution of commands in real time, record status reports, encapsulate the execution status into a message, send it back to the Beidou master station through the Beidou terminal, and record the entire command execution process.

[0101] The fault self-healing mechanism module 400 is used to continuously monitor abnormal conditions during data transmission, detect fault signals using formulas and indicators, and automatically execute a predetermined recovery process to restore the normal state of data transmission when an abnormality is detected.

[0102] The adaptive energy management algorithm module 500 is used to monitor the energy status and current workload of the Beidou card, use the evaluation function to evaluate the comprehensive impact of the current energy status and workload, determine whether it is necessary to adjust the data transmission frequency and power based on the evaluation results, use historical data and prediction models to analyze data transmission requirements, adjust the data refresh strategy based on the demand prediction results, and optimize energy usage.

[0103] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

[0104] Embodiment 3, the third embodiment of the present invention, is different from the first two embodiments in that:

[0105] If the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention, or the part that contributes to the prior art or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium, including several instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in each embodiment of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk, and other media that can store program codes.

[0106] The logic and / or steps represented in the flowchart or otherwise described herein, for example, can be considered as an ordered list of executable instructions for implementing logical functions, and can be embodied in any computer-readable medium for use by an instruction execution system, device or apparatus (such as a computer-based system, a system including a processor, or other system that can fetch instructions from an instruction execution system, device or apparatus and execute instructions), or in conjunction with such instruction execution systems, devices or apparatuses. For the purposes of this specification, "computer-readable medium" can be any device that can contain, store, communicate, propagate or transmit a program for use by an instruction execution system, device or apparatus, or in conjunction with such instruction execution systems, devices or apparatuses.

[0107] More specific examples of computer-readable media (a non-exhaustive list) include the following: an electrical connection with one or more wires (electronic device), a portable computer disk case (magnetic device), a random access memory (RAM), a read-only memory (ROM), an erasable and programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disk read-only memory (CDROM). In addition, the computer-readable medium may even be a paper or other suitable medium on which the program is printed, since the program may be obtained electronically, for example, by optically scanning the paper or other medium, followed by editing, deciphering or, if necessary, processing in another suitable manner, and then stored in a computer memory.

[0108] It should be understood that the various parts of the present invention can be implemented by hardware, software, firmware or a combination thereof. In the above-mentioned embodiments, a plurality of steps or methods can be implemented by software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented by hardware, as in another embodiment, it can be implemented by any one of the following technologies known in the art or their combination: a discrete logic circuit having a logic gate circuit for implementing a logic function for a data signal, a dedicated integrated circuit having a suitable combination of logic gate circuits, a programmable gate array (PGA), a field programmable gate array (FPGA), etc.

Claims

1. A method for data transmission and control based on Beidou short messages, characterized in that: include, The Beidou slave station receives telesignaling and telemetry data, processes the received data and encapsulates it into Beidou short message format, and uses the multi-modal command transmission protocol for data transmission; Receive command data converted by the Beidou master station, monitor the system in real time through command execution status, and feedback the execution progress and status to the master station in real time. At the same time, through the fault self-healing mechanism, automatically execute the recovery process when abnormal data transmission is detected; Using the adaptive energy management algorithm, the data transmission frequency and power are automatically adjusted according to the energy status and workload of the Beidou card. Through the data transmission prediction model, the data transmission demand is predicted and the data refresh strategy is adjusted in advance.

2. The method for data transmission and control based on Beidou short message as claimed in claim 1, characterized in that: The receiving of telesignaling and telemetering data includes: the Beidou slave station establishes a connection with the remote monitoring device through a communication interface, and receives the telesignaling and telemetering data in accordance with the communication protocol; The telesignaling data includes switch status, equipment status, fault signal, alarm signal and control signal; the telemetry data includes electrical parameters and non-electrical parameters; the electrical parameters include voltage, current, active power, reactive power, power factor and frequency; the non-electrical parameters include temperature, pressure, flow, liquid level, humidity, smoke concentration and gas concentration.

3. The method for data transmission and control based on Beidou short message as claimed in claim 2, characterized in that: The data transmission includes converting the collected data into digital quantities and storing them, the Beidou slave station encapsulating the stored data points according to the format requirements of the Beidou short message, and the Beidou slave station sending the encapsulated Beidou short message to the master station through the Beidou terminal using a multimodal command transmission protocol; The sending process of the modal command transmission protocol is as follows: S ( M ) =MMCTP ( M) Among them, S(M) is the data sending function, MMCTP is the multimodal command transmission protocol, and M is the Beidou short message.

4. The method for data transmission and control based on Beidou short message as claimed in claim 3, characterized in that: The feedback of execution progress and status includes receiving command data converted by the Beidou master station, monitoring the system in real time through the command execution status, and feeding back the execution progress and status to the master station in real time; The receiving command data includes the Beidou slave station receiving the command data sent by the Beidou master station through a preset communication interface, and after receiving the command data, the slave station verifies the data; the command data includes switch control, parameter adjustment and device query; the data verification includes checking data integrity, verifying the legitimacy of the data source and confirming that the data has not been tampered with during transmission; The command execution includes the slave parsing the received command data, extracting the operation instruction, the target device address and the execution parameter, and according to the parsed operation instruction, the slave controlling the corresponding device to perform the operation; The real-time monitoring system includes a monitoring system at the slave station that tracks the execution of each command in real time during the command execution process, and the monitoring system records the execution status information to form a status report; the execution status of the command includes whether it is successfully executed, the execution progress, and any errors and exceptions encountered; The execution status information includes an execution result code, an execution timestamp, and an error code; The feedback execution progress and status includes encapsulating the status information into a message containing a status code and description information according to the recorded execution status, and sending the encapsulated status feedback data back to the Beidou master station through the Beidou terminal. After the slave station sends the status feedback, it waits for the confirmation reply from the master station, and records the entire command execution process and status feedback process in the log.

5. The method for data transmission and control based on Beidou short message as claimed in claim 4, characterized in that: The fault self-healing mechanism includes continuously detecting whether there is an abnormality during data transmission, and when a fault signal is detected, the system automatically executes a recovery process; The detection signal fault formula is: Among them, F is the anomaly detection index, T i is the transmission time of the ith data packet, i is the variable index, is the average value of the packet transmission time, σ T is the standard deviation of packet transmission time, n is the number of packets, φ is the density function of the standard normal distribution, R j is the reception quality indicator of the jth data packet, j is the variable index, is the average value of the data packet reception quality indicator, m is the number of data packet reception quality indicators, and Λ is the correction function; The correction function formula is: Among them, k is the adjustment coefficient, α is the threshold of abnormal reception quality, and x is the input data; Among them, Λ ( The threshold of x) is [0,∞); when 0≤Δ≤0.5, it indicates that there is no abnormality in data transmission; when Δ>0.5, it indicates that data transmission is abnormal and the recovery process needs to be triggered.

6. The method for data transmission and control based on Beidou short message as claimed in claim 5, characterized in that: The adaptive energy management algorithm includes monitoring the energy state and current workload of the Beidou card, using an evaluation function to evaluate the combined impact of the current energy state and workload, and determining whether the data transmission frequency and power need to be adjusted based on the evaluation result. When the frequency and power need to be adjusted, a new transmission frequency is calculated using a frequency adjustment function, and a new transmission power is calculated using a power adjustment function. The evaluation function formula is: A(E,L)=w1·E+w2·(1-L) Among them, A(E,L) is the evaluation result, w1 and w2 are weight coefficients, E is the energy state of the Beidou card, and L is the current workload; when A(E,L) th When the adjustment mechanism is triggered, the transmission frequency and power are adjusted;​ The formula for adjusting the transmission frequency is: Among them, F max is the maximum transmission frequency, E th is the energy threshold, L max is the maximum workload, E is the energy state of the BeiDou card, L is the current workload, and F'(E,L) is the new transmission frequency; The formula for adjusting the transmission power is: Among them, P max is the maximum transmission power, E th is the energy threshold, L max is the maximum workload, E is the energy state of the Beidou card, L is the current workload, and P'(E,L) is the new transmission power.

7. The method for data transmission and control based on Beidou short message as claimed in claim 6, characterized in that: The adjusting of the data refresh strategy includes building a data transmission demand prediction model using historical data, predicting the data transmission demand using the prediction model, analyzing the prediction results, determining the peak and valley periods of data transmission, and adjusting the data refresh strategy according to the prediction results; The refresh strategy includes increasing the refresh frequency when demand is predicted, and reducing the refresh frequency when no demand is predicted.

8. A system using the Beidou short message-based data transmission and control method as described in any one of claims 1 to 7, characterized in that: It includes data receiving and encapsulation module, data transmission module, command execution and feedback module, fault self-healing mechanism module and adaptive energy management algorithm module; The data receiving and encapsulation module is used for the Beidou slave station to establish a connection with the remote monitoring device through the communication interface, receive the remote signal and telemetry data in accordance with the communication protocol, process the received data, and encapsulate it into the Beidou short message format for transmission through the Beidou system; The data transmission module is used to convert the processed data into digital quantities, encapsulate the data according to the format requirements of the Beidou short message, and send the encapsulated Beidou short message to the master station through the Beidou terminal using the multimodal command transmission protocol; The command execution and feedback module is used to receive the command data sent by the Beidou master station, verify the integrity, source legitimacy and whether the data has been tampered with, parse the command data, extract the operation instructions, target device address and execution parameters, control the device to perform the operation, track the execution of the command in real time, record the status report, encapsulate the execution status into a message, send it back to the Beidou master station through the Beidou terminal, and record the entire command execution process; The fault self-healing mechanism module is used to continuously monitor abnormal conditions during data transmission, detect fault signals using formulas and indicators, and automatically execute a predetermined recovery process to restore the normal state of data transmission when an abnormality is detected; The adaptive energy management algorithm module is used to monitor the energy status and current workload of the Beidou card, use the evaluation function to evaluate the combined impact of the current energy status and workload, determine whether it is necessary to adjust the data transmission frequency and power based on the evaluation results, use historical data and prediction models to analyze data transmission requirements, adjust the data refresh strategy based on the demand prediction results, and optimize energy usage.

9. A computer device comprising a memory and a processor, wherein the memory stores a computer program, wherein: When the processor executes the computer program, the steps of the method for data transmission and control based on Beidou short messages as described in any one of claims 1 to 7 are implemented.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the method for data transmission and control based on Beidou short messages described in any one of claims 1 to 7 are implemented.

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