CN111179928A - Intelligent control method for power transformation and distribution station based on voice interaction - Google Patents
Intelligent control method for power transformation and distribution station based on voice interaction Download PDFInfo
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Abstract
The invention relates to a voice interaction-based intelligent control method for a power transformation and distribution station, which realizes voice control of the power transformation and distribution station through a voice interaction system and comprises the following steps: s1) the voice sensor collects voice commands and inputs the voice commands into the voice interaction system; s2) the voice interaction system judges whether the voice command is a valid voice command, if so, the step S3) is executed, and if not, the voice broadcasting device broadcasts and informs that the voice command is an invalid command; s3) the voice interaction system judges the voice command type and executes corresponding operation, wherein the voice command type comprises question answering type, system control type and equipment control type; s4) the voice broadcasting device broadcasts the operation notification result, and compared with the prior art, the voice broadcasting device has the advantages of liberating two hands of personnel, improving the automation degree and interaction timeliness of the management of the transformer substation and the distribution substation and the like.
Description
Technical Field
The invention relates to intelligent control of a power transformation and distribution station room, in particular to an intelligent control method of a power transformation and distribution station based on voice interaction.
Background
In the traditional transformation and distribution station in China, a plurality of personnel need to be arranged for on-site shift patrol, the manual patrol has a large safety risk, and the detected data cannot be accurately and timely accessed into a management information system. With the development of science and technology, more and more intelligent devices and control means are applied to the management of power transformation and distribution, so that the accuracy and the safety of manual inspection are improved, and the working efficiency is improved.
However, the operation and control of these intelligent devices still require manual operation after the staff arrives at the site, and although the management of the substation is optimized to a certain extent, the management of the substation cannot completely liberate the field operating staff, and meanwhile, the commander cannot realize full-automatic remote control, and when a fault is found, the commander needs to notify the field staff to perform corresponding operation, and after the field staff completes the operation action, the field staff needs to manually enter information and return an operation result, so the whole process is very inconvenient.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the intelligent control method for the transformer and distribution station based on voice interaction, which has the advantages of freeing both hands of personnel and improving the automation degree and the interaction timeliness of transformer and distribution station management.
The purpose of the invention can be realized by the following technical scheme:
a voice interaction based intelligent control method for a power transformation and distribution station realizes voice control of the power transformation and distribution station through a voice interaction system, and comprises the following steps:
s1) the voice sensor collects voice commands and inputs the voice commands into the voice interaction system;
s2) the voice interaction system judges whether the voice command is a valid voice command, if so, the step S3) is executed, and if not, the voice broadcasting device broadcasts and informs that the voice command is an invalid command;
s3) the voice interaction system judges the voice command type and executes corresponding operation, wherein the voice command type comprises question answering type, system control type and equipment control type;
s4) the voice broadcasting device broadcasts the notification operation result.
The voice interaction system comprises a voice data processing module and a voice semantic database, the voice semantic database comprises a knowledge database formed by input data and a generalization database formed by the voice interaction system after generalization of the input data, the knowledge database comprises a general knowledge database, an electric power basic knowledge database, an electric power customer service knowledge database and an electric power safety standard operation knowledge database, and the voice data processing module carries out model training through a training tool in the voice interaction system.
The step S2) specifically includes:
s21) the voice data processing module carries out endpoint detection and noise reduction processing on the voice command;
s22) carrying out feature extraction on the preprocessed voice command to generate text information;
s23) the voice interaction system judges whether the text information has the electric power related valid words and logic relations stored in the voice semantic database, if yes, the command is judged to be a valid voice command, and step S3) is executed, if not, the command is judged to be an invalid voice command, and the voice broadcasting device broadcasts to inform that the voice command is an invalid command.
The step S3) specifically includes:
s31) the voice interactive system judges the voice command type according to the keyword and the voice semantic, if the command type is judged to be question-answer type, the step S32) is executed, if the command type is judged to be system control type, the step S33) is executed, if the command type is judged to be equipment control type, the step S34) is executed;
s32) the voice interaction system executes operations of searching, calculating and calling corresponding interface data according to the text information content of the voice instruction, matches the answer content and generates corresponding answer text information;
s33) the voice interaction system sends the corresponding instruction to the execution system through the system server, the system server converts the instruction into a uniform data interface and sends the uniform data interface to the corresponding execution system, and the execution system executes response operation according to the received instruction, wherein the response operation comprises page control, system switching, data statistical calculation and the like, and text information containing an operation report is generated;
s34) the voice interaction system sends an instruction to the intelligent equipment of the corresponding transformer substation, the intelligent equipment executes response operation according to the instruction, records the operation process and generates text information containing a node operation report form or action feedback.
The intelligent equipment comprises an intelligent inspection robot and intelligent switch equipment.
The step S4) specifically includes:
s41) the voice data processing module carries out text analysis on the text information generated in the step S32), the step S33) and the step S34) according to the set grammar rule to form a synthetic text;
s42) the voice data processing module generates a voice signal from the synthesized text;
s43) the voice data processing module converts the voice signal into natural voice by using an NLP natural language processing algorithm;
s44) the voice broadcasting device broadcasts the natural voice to notify the operation result.
In step S31), the voice interaction system performs context interpretation according to keywords and voice semantics, where the keywords include nouns, verbs, and question and answer words.
The nouns judged as question and answer classes can comprise nouns related to system interfaces, specials and interface data contained in the system, the verbs can comprise 'telling', 'answering', 'showing', 'demonstrating', 'analyzing' and 'calculating', and the question and answer words can comprise 'what', 'how much', 'result' and 'situation';
nouns judged as system control classes may include "system", "page", "interface", "tab", "thermodynamic diagram", "topic", and "analysis", verbs may include "switch", "screen cut", "jump", "open", and "show";
the noun determined as the device control class may include names of smart devices such as a robot and a smart switch, and the verb may include "control", "patrol", "open", "close", "switch", and "implement".
Further, after one-time interaction is completed, the control method relearns the voice instruction of the interaction and corrects the voice semantic database.
The step S31) specifically includes:
s311) the voice interaction system identifies the voice instruction content;
s312) the voice broadcasting device broadcasts the identified voice instruction content;
s313) the voice interaction system prepares to receive feedback information and waits for a set time, if a new voice command is received within the set time, a voice recognition error is marked, and the step S2 is returned to be executed, otherwise, the voice recognition is marked correctly, and the type of the voice command is judged;
s314) if the type of the command is determined to be question and answer, then step S302) is performed, if the type of the command is determined to be system control, step S303) is performed, and if the type of the command is determined to be device control, step S304) is performed.
The voice interaction system relearns the voice instruction of the interaction according to the voice recognition mark in the step S313) and corrects the voice semantic database.
Compared with the prior art, the invention has the following advantages:
1) by the method, the system can be directly controlled by the substation staff through voice, and operations such as interface switching, data statistical analysis, external system switching and the like can be completed; the intelligent equipment of the transformer and distribution station can be controlled to realize the management and control of the transformer and distribution chamber, and meanwhile, the system and the intelligent equipment can also feed back the result of each node for executing the operation to the staff in a voice mode, so that the intelligent interaction of the system, the equipment and the staff is realized, the two hands of the staff of the transformer and distribution station are truly liberated, the working efficiency is greatly improved, and unnecessary potential safety hazards are avoided;
2) the invention not only establishes an initial general knowledge base, but also establishes a power related knowledge base, and takes the interactive voice and the result as a self-learning and optimizing signal of the knowledge base in the process of interacting with the working personnel, so that the database can be continuously perfected in the using process of the system, and the accuracy of voice recognition and voice broadcasting is improved.
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FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a flow chart illustrating the practice of the present invention in an example;
FIG. 3 is a flowchart illustrating an embodiment of step B;
FIG. 4 is a flowchart illustrating an embodiment of step C;
FIG. 5 is a flowchart illustrating an embodiment of step D;
FIG. 6 is a schematic diagram of a model training process.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
Examples
The invention provides a voice interaction-based intelligent control method for a power transformation and distribution station, which realizes voice control of the power transformation and distribution station through a voice interaction system, wherein the voice interaction system comprises a voice data processing module and a voice semantic database, the voice semantic database comprises a knowledge database formed by input data and a generalization database formed by generalization of the voice interaction system on the input data, the knowledge database mainly comprises a general database, a power basic knowledge database, a power customer service database and a power safety standard operation knowledge database, the power customer service database relates to a plurality of related knowledge of power grid faults, maintenance, operation and the like, and the voice semantic database stores a large amount of power related knowledge, power related effective words and a general voice conversion relation. The voice interaction system carries out model training through a self-contained training tool and input training data, and can carry out on-line training or off-line training.
The training process is shown in fig. 6 and comprises the following steps:
1) preparing data: the data comprises an original general knowledge base, an electric power basic knowledge base, an electric power customer service knowledge base, an electric power safety standard operation knowledge base and the like;
2) combing the existing data to form a knowledge base according with the principle, and importing the combed knowledge base into a system;
3) according to the structure and the content of the knowledge base, learning data of the training tool are constructed;
4) model training is carried out by utilizing a training tool in the system, and the part can be trained on line or off line;
5) evaluating the voice interaction effect by evaluating the voice interaction answer accuracy;
6) and optimizing the knowledge base and the learning data according to the effect of voice interaction.
As shown in fig. 1 and fig. 2, the control method mainly comprises the following steps:
(A) the voice sensor collects a voice command as a signal source of voice recognition;
(B) the voice interaction system converts the voice instruction into text information;
(C) judging the type of the voice command according to the text information, executing corresponding operation, and generating corresponding text information according to an operation result;
(D) inputting the generated text information into a voice data processing module and converting the text information into a voice signal;
(E) the voice broadcasting device carries out voice broadcasting on the generated voice signal;
(F) and re-learning the voice instruction of the interaction, and optimizing the voice semantic database.
As shown in fig. 3 to 5, in this embodiment, when a commander controls a substation through voice interaction, the specific process of each main step is as follows:
(A1) commanding personnel to send out voice commands;
(A2) the voice sensor collects the voice command and inputs the voice command as a voice signal into the voice interaction system.
(B1) The voice data processing module carries out endpoint detection preprocessing on the input voice signal;
(B2) the voice data processing module carries out noise reduction processing on the preprocessed voice signals;
(B3) the voice data processing module is used for extracting the characteristics of the voice signals subjected to noise reduction processing;
(B4) and the voice data processing module performs feature decoding on the voice signal after feature extraction and identifies the voice signal to generate text information according to the acoustic model and the language model.
(C1) The voice interaction system judges whether the text information contains electric power related valid words or not, if yes, the command is judged to be a valid voice command, and if not, the command is judged to be an invalid voice command;
(C2) if the voice command is judged to be invalid, reminding that the voice command is invalid is made through a voice broadcasting device, and waiting for feedback information of a command sender; if the voice command is judged to be effective, the command type of the text signal is continuously judged, corresponding operation is prepared to be executed, the operation to be executed is played through a voice broadcasting device, and feedback information of a commander is waited, wherein the command type comprises a question and answer type, a system control type and an equipment control type;
in this step, the commander gives corresponding feedback information after hearing the content played by the voice broadcasting device, and gives a voice instruction again if the content is different from the content of the given original voice instruction, that is, if the voice interactive system recognizes the voice instruction incorrectly, the commander can adjust the language sequence or the voice tone at this time, and if the content is the same as the given original voice instruction, that is, if the voice interactive system recognizes the voice instruction correctly, no operation is performed.
(C3) If the voice interaction system receives a new voice command, returning to the step (B2), and if the new voice command is not received within the set waiting time, executing corresponding operation;
(C4-1) when the noun is a noun related to interface data contained in a system interface, a specialty or a system, the verb is 'telling', 'answering', 'displaying', 'demonstrating', 'analyzing' or 'calculating', and the question-answer word is 'what', 'how much', 'what' and 'result' or 'situation', judging that the type of the voice instruction is 'question-answer class', and the voice interaction system performing operations of searching, calculating and matching answer contents and generating corresponding text information;
(C4-2) when the noun is "system", "page", "interface", "tab", "thermodynamic diagram", "topic" or "analysis", and the verb is "switch", "screen cut", "jump", "open" or "show", judging that the instruction type is "system control type", the voice interaction system sends a corresponding instruction to the execution system, the execution system executes response operation according to the received instruction, performs page control, system switch and/or data statistics calculation, and generates text information containing an operation report;
(C4-3) when the noun is the name of the intelligent equipment such as the robot and the intelligent switch, and the verb is 'control', 'inspection', 'open', 'close', 'switch' or 'implement', judging that the type of the instruction is 'equipment control class', sending the instruction to the intelligent equipment corresponding to the transformer substation by the voice interaction system, wherein the intelligent equipment comprises the intelligent inspection robot and the intelligent switch equipment, executing response operation according to the instruction, recording the operation process by the intelligent equipment, and generating text information containing a node operation report form or action feedback.
(D1) The voice data processing module performs text analysis on the text information in the steps (C4-1) to (C4-3), generates synthesis parameters from the acoustic model and the language model according to set grammar rules, and synthesizes a text;
(D2) the voice data processing module synthesizes the text into voice;
(D3) the synthesized speech is converted into natural speech by using an NLP natural language processing algorithm through grammar, syntax and chapter analysis, document tools and vector technology, and a final speech signal is generated.
(E1) The voice broadcasting device carries out voice broadcasting on the generated voice signals, informs the commander of an operation result and completes one-time interaction.
(F1) If the feedback information received in the step (C2) is a new voice command, relearning the voice command received for the first time in the present interaction;
(F2) and optimizing the voice semantic database according to the relearning result.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and those skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A voice interaction based intelligent control method for a power transformation and distribution station realizes voice control of the power transformation and distribution station through a voice interaction system, and is characterized by comprising the following steps:
s1) the voice sensor collects voice commands and inputs the voice commands into the voice interaction system;
s2) the voice interaction system judges whether the voice command is a valid voice command, if so, the step S3) is executed, and if not, the voice broadcasting device broadcasts and informs that the voice command is an invalid command;
s3) the voice interaction system judges the voice command type and executes corresponding operation, wherein the voice command type comprises question answering type, system control type and equipment control type;
s4) the voice broadcasting device broadcasts the notification operation result.
2. The intelligent control method for the power transformation and distribution station based on the voice interaction as claimed in claim 1, wherein the voice interaction system comprises a voice data processing module and a voice semantic database, the voice semantic database comprises a knowledge database formed by input data and a generalization database formed by generalization of the input data by the voice interaction system, the knowledge database comprises a general knowledge database, a power basic knowledge database, a power customer service knowledge database and a power safety specification operation knowledge database, and the voice data processing module performs model training by a training tool in the voice interaction system.
3. The intelligent control method for the substation based on the voice interaction as claimed in claim 2, wherein the step S2) specifically comprises:
s21) the voice data processing module carries out endpoint detection and noise reduction processing on the voice command;
s22) carrying out feature extraction on the preprocessed voice command to generate text information;
s23) the voice interaction system judges whether the text information has the electric power related valid words and logic relations stored in the voice semantic database, if yes, the command is judged to be a valid voice command, and step S3) is executed, if not, the command is judged to be an invalid voice command, and the voice broadcasting device broadcasts to inform that the voice command is an invalid command.
4. The intelligent control method for the substation based on the voice interaction as claimed in claim 3, wherein the step S3) specifically comprises:
s31) the voice interactive system judges the voice command type according to the keyword and the voice semantic, if the command type is judged to be question-answer type, the step S32) is executed, if the command type is judged to be system control type, the step S33) is executed, if the command type is judged to be equipment control type, the step S34) is executed;
s32) the voice interaction system executes operations of searching, calculating and calling corresponding interface data according to the text information content of the voice command, matches the answer content and generates corresponding answer text information;
s33) the voice interaction system sends the corresponding instruction to the corresponding execution system through the system server, and the corresponding execution system executes response operation according to the received instruction and generates text information containing an operation report;
s34) the voice interaction system sends an instruction to the intelligent equipment of the corresponding transformer substation, the intelligent equipment executes response operation according to the instruction, records the operation process and generates text information containing a node operation report form or action feedback.
5. The intelligent control method for the power transformation and distribution station based on the voice interaction as claimed in claim 4, wherein the intelligent equipment comprises an intelligent inspection robot and intelligent switch equipment.
6. The intelligent control method for the substation based on the voice interaction as claimed in claim 4, wherein the step S4) specifically comprises:
s41) the voice data processing module carries out text analysis on the text information generated in the step S32), the step S33) and the step S34) according to the set grammar rule to form a synthetic text;
s42) the voice data processing module generates a voice signal from the synthesized text;
s43) the voice data processing module converts the voice signal into natural voice by using an NLP natural language processing algorithm;
s44) the voice broadcasting device broadcasts the natural voice to notify the operation result.
7. The intelligent control method for substation based on voice interaction as claimed in claim 4, wherein in step S31), the voice interaction system performs context interpretation according to keywords and voice semantics, wherein the keywords comprise nouns, verbs and question and answer words.
8. The intelligent control method for the power transformation and distribution station based on the voice interaction is characterized in that after one interaction is completed, the control method relearns voice instructions of the interaction and corrects a voice semantic database.
9. The intelligent control method for the substation based on the voice interaction as claimed in claim 8, wherein the step S31) specifically comprises:
s311) the voice interaction system identifies the voice instruction content;
s312) the voice broadcasting device broadcasts the identified voice instruction content;
s313) the voice interaction system prepares to receive feedback information and waits for a set time, if a new voice command is received within the set time, a voice recognition error is marked, and the step S2 is returned to be executed, otherwise, the voice recognition is marked correctly, and the type of the voice command is judged;
s314) if the type of the command is determined to be question and answer, then step S302) is performed, if the type of the command is determined to be system control, step S303) is performed, and if the type of the command is determined to be device control, step S304) is performed.
10. The intelligent control method for the substation based on the voice interaction as claimed in claim 9, wherein the voice interaction system relearns the voice instruction of the current interaction according to the voice recognition mark in step S313) and corrects the voice semantic database.
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| CN112581959A (en) * | 2020-12-15 | 2021-03-30 | 四川虹美智能科技有限公司 | Intelligent device control method and system and voice server |
| CN113539263A (en) * | 2021-07-09 | 2021-10-22 | 广东金鸿星智能科技有限公司 | Voice control method and system for electric door |
| CN115101067A (en) * | 2022-06-16 | 2022-09-23 | 陈明华 | Smart power grids voice system based on block chain technique |
| CN116705026A (en) * | 2023-08-02 | 2023-09-05 | 江西科技学院 | Artificial intelligence interaction method and system |
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