CN112819334A - Intelligent fault-tolerant self-healing control method and system for power distribution of ship regional power distribution power system - Google Patents
Intelligent fault-tolerant self-healing control method and system for power distribution of ship regional power distribution power system Download PDFInfo
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Abstract
The invention provides an intelligent fault-tolerant self-healing control method and system for power distribution of a ship regional power distribution power system, which comprises the following steps: the data and information acquisition unit detects a ship regional power distribution power system to obtain a detection result; the fault diagnosis and classification unit finishes the fault diagnosis and classification processing; the intelligent fault-tolerant self-healing decision unit acquires the detection result of the data and information acquisition unit and the fault diagnosis information of the fault diagnosis and classification unit; the intelligent self-healing coordination and distribution unit receives an intelligent fault-tolerant self-healing decision scheme; the intelligent fault-tolerant controller receives the deviation amount of the coordinated power generation and distribution instruction and the feedback information of the intelligent fault diagnosis, performs self-healing control distribution according to the instruction, implements multivariable closed-loop feedback active fault-tolerant control based on the fault diagnosis, and completes the intelligent fault-tolerant self-healing control by combining with intelligent decision; the invention enhances the active fault-tolerant self-healing capability of the power distribution fault of the ship regional power distribution system, and improves the uninterrupted power supply and distribution capability of the system.
Description
Technical Field
The invention relates to the technical field of intelligent self-healing of power distribution of a ship regional power distribution power system, in particular to an intelligent fault-tolerant self-healing control method and system for power distribution of a ship regional power distribution power system.
Background
The safety and reliability of ocean sailing ships are always the heaviest in sailing, and the adoption of the increasing number of regional power distribution forms avoids serious faults of a power system and huge property and personnel loss caused by the serious faults. The intelligent fault-tolerant self-healing device aims to provide fault early warning and generate intelligent active fault-tolerant control force for a power system. Self-healing is an important characteristic of the smart grid, can enable the power system to become a more robust autonomous and adaptive system, can make self-healing response to faults and external attacks, and can bear impact and quickly recover power supply. The intelligent self-healing aims at improving the toughness and reliability of power generation and distribution of a ship regional power distribution power system, equipment configuration is optimized when the system is normal, the operation efficiency of the system is improved, the intelligent self-healing can be realized when the system fails, power failure accidents are avoided in an effort, the power system is converted from a failure state to a normal state as soon as possible, major ship power supply accidents are prevented or restrained, and the reliability of power supply of ship propulsion main power is improved. The intellectualization of power generation and distribution of the ship regional power distribution power system is one of important development directions of the ship power system, and the improvement of the power supply quality and the reliability of the ship power system by applying an intelligent fault-tolerant self-healing method in combination with the development of the intelligent power grid technology is very worthy of research and popularization.
Disclosure of Invention
The invention aims to provide an intelligent fault-tolerant self-healing control method and system for power generation and distribution of a ship regional power distribution power system, which are based on an intelligent fault diagnosis intelligent self-healing fault-tolerant decision and a closed-loop feedback coordination control method formed by an intelligent fault-tolerant controller of the intelligent self-healing fault-tolerant decision, and solve the self-healing problem of the power generation and distribution fault of the ship regional power distribution power system by combining the intelligent decision, so that the system can still maintain continuous power supply to important equipment, particularly electric propulsion equipment, when the system breaks down, and the uninterrupted power supply and distribution capacity of the power system is improved.
In order to achieve the purpose, the invention adopts the following technical means: an intelligent fault-tolerant self-healing control system for power distribution of a ship regional power distribution power system comprises
The data and information acquisition unit detects a ship regional power distribution power system and a power distribution controlled object thereof to obtain a detection result, wherein the detection result is corresponding information of the detected object of the ship regional power distribution power system;
the fault diagnosis and classification unit is used for carrying out fault diagnosis and fault classification information processing according to the fault diagnosis logic;
the intelligent fault-tolerant self-healing decision unit acquires the detection result from the data and information acquisition unit and the diagnosis and classification information of the fault diagnosis and classification unit, makes a decision according to an intelligent self-healing method, judges whether the running index of the ship regional power distribution power system is in a normal range, maintains the running of the system if the running index is in the normal range, and continues to complete the power distribution function; if the fault diagnosis is not in the normal range, a self-healing decision scheme is formed according to the diagnosis result of fault diagnosis and intelligent logic reasoning;
the intelligent self-healing coordination and distribution unit receives the self-healing decision scheme of the intelligent fault-tolerant self-healing decision unit, and after the self-healing decision scheme exchanges information with other automatic subsystems of the ship, a control instruction for mutual coordination and distribution among the subsystems of the ship regional power distribution power system is formed according to intelligent logical reasoning;
the intelligent fault-tolerant controller is used for receiving the deviation amount of the output of the ship regional distribution power coordination and distribution instruction unit and the feedback information of intelligent fault diagnosis, and performing self-healing control distribution according to the control instruction, wherein the deviation amount is obtained by a deviation calculation unit which is connected with the fault diagnosis and classification unit and the ship regional distribution power coordination and distribution instruction unit so as to receive the data sent by the fault diagnosis and classification unit and the ship regional distribution power coordination and distribution instruction unit, implement multivariable closed-loop feedback active fault-tolerant control based on fault diagnosis, and complete intelligent fault-tolerant self-healing control of the fault by combining with intelligent decision;
and the execution selection unit is used for receiving the self-healing control distribution instruction of the intelligent fault-tolerant controller and implementing the parallel control of the intelligent power generation self-healing control and the intelligent power distribution self-healing control.
In one implementation, the execution selection unit includes: a power generation execution selection unit and a power distribution execution selection unit; through the electricity generation execution selection unit with the parallel control that the electricity generation intelligence self-healing control and the distribution self-healing intelligent control were carried out to the distribution execution selection unit, parallel execution instruction is respectively through electricity generation execution selection unit and distribution execution selection unit, carries out multivariable closed-loop feedback initiative fault-tolerant control with fault diagnosis as the basis to electricity generation unit and distribution unit among the regional distribution electric power system of boats and ships, combines intelligent decision-making in order to accomplish the intelligent fault-tolerant self-healing control of trouble.
Optionally, the intelligent fault-tolerant controller is composed of a self-healing control distribution unit, an intelligent power generation fault-tolerant self-healing unit and an intelligent power distribution fault-tolerant self-healing unit, and receives an instruction and fault diagnosis information of the intelligent self-healing coordination and distribution unit; the fault is classified as: sensor faults, actuator faults and power system faults of ship regional power distribution; fault tolerant decisions are classified as: decision schemes such as system reconstruction, degraded operation, fault compensation and fault switching;
the intelligent fault-tolerant control calculation is divided into intelligent power generation fault-tolerant self-healing and intelligent power distribution fault-tolerant self-healing, intelligent fault-tolerant self-healing execution instructions of a power generation unit and a power distribution unit of a ship regional power distribution power system are respectively generated, and multivariate closed-loop feedback active fault-tolerant self-healing control based on fault diagnosis is implemented; the intelligent power generation fault-tolerant self-healing execution instruction is mainly an instruction in a continuous change control form, and the intelligent power distribution fault-tolerant self-healing execution instruction is mainly an instruction in a discrete control form.
In one implementation, the method further comprises: the system comprises a deep learning neural network fault diagnosis unit and a multi-information fusion fault information processing unit;
the information fusion fault information processing unit receives the data and the detection result of the information acquisition unit and carries out multi-information fusion fault information preprocessing;
the deep learning neural network fault diagnosis unit receives a fault information preprocessing result, carries out fault diagnosis based on a deep learning neural network by relying on a ship regional power distribution power system fault and symptom mapping relation knowledge base, carries out power distribution fault diagnosis on the ship regional power distribution power system, and obtains fault diagnosis and classification, wherein the tasks of three aspects of fault recognition, analysis and reason matching are completed based on the ship regional power distribution power system fault and symptom mapping relation knowledge base; and the diagnosis result is sent to the fault diagnosis and classification unit, the fault diagnosis is realized by the fault diagnosis and classification unit, so that the fault diagnosis information is respectively output to the intelligent fault-tolerant self-healing decision unit for fault-tolerant self-healing decision and the deviation calculation unit for fault-tolerant self-healing feedback control, multivariable closed-loop feedback active fault-tolerant control based on fault diagnosis is implemented on the power distribution unit of the ship regional power distribution system, and the intelligent fault-tolerant self-healing control of the fault is completed by combining the intelligent decision.
In addition, the invention discloses an intelligent fault-tolerant self-healing control method for power distribution of a ship regional power distribution power system, which comprises the following steps:
detecting a ship region power distribution power system and a power distribution controlled object thereof through a data and information acquisition unit to obtain a detection result, wherein the detection result is corresponding information of the detected object of the ship region power distribution power system;
the failure diagnosis and classification information processing is carried out according to the failure diagnosis logic through the failure diagnosis and classification unit;
acquiring a detection result from the data and information acquisition unit and diagnosis and classification information of the fault diagnosis and classification unit based on an intelligent fault-tolerant self-healing decision unit, making a decision according to an intelligent self-healing method, judging whether an index of the operation of the ship regional power distribution power system is in a normal range, and if so, maintaining the operation of the system and continuously finishing the power distribution function; if the fault diagnosis is not in the normal range, a self-healing decision scheme is formed according to the diagnosis result of fault diagnosis and intelligent logic reasoning;
receiving the self-healing decision scheme of the intelligent fault-tolerant self-healing decision unit through an intelligent self-healing coordination and distribution unit, and after information exchange with other automatic subsystems of the ship, forming a control instruction for mutual coordination and distribution among subsystems of a ship regional power distribution power system according to intelligent logical reasoning;
the intelligent fault-tolerant controller receives the deviation amount of the output of the ship regional distribution power coordination distribution instruction unit and the feedback information of intelligent fault diagnosis, and performs self-healing control distribution according to the control instruction, wherein the deviation amount is obtained by a deviation calculation unit, and the deviation calculation unit is connected with the fault diagnosis and classification unit and the ship regional distribution power coordination distribution instruction unit so as to receive the data sent by the fault diagnosis and classification unit and the ship regional distribution power coordination distribution instruction unit and implement multivariable closed-loop feedback active fault-tolerant control based on fault diagnosis;
and receiving the self-healing control distribution instruction of the intelligent fault-tolerant controller through an execution selection unit, and implementing the parallel control of intelligent power generation self-healing control and intelligent power distribution self-healing control.
Compared with the prior art, the intelligent fault-tolerant self-healing control method and system for power distribution of the ship regional power distribution power system have the following technical effects: the multivariable closed-loop feedback active fault-tolerant control based on fault diagnosis of the power generation and distribution of the ship regional power distribution power system can be carried out, and the intelligent fault-tolerant self-healing control is implemented by combining with intelligent decision, so that the active fault-tolerant control capability of the power generation and distribution fault of the ship regional power distribution power system can be enhanced, the uninterrupted power supply and distribution capability of the ship regional power distribution power system is improved, and the intelligent self-healing capability of the power generation and distribution fault is generated.
When the power generation and distribution unit of the ship regional power distribution power system breaks down, intelligent fault diagnosis and intelligent fault-tolerant control are applied, intelligent active fault-tolerant self-healing control of the faults is implemented by combining intelligent decision, and the fault self-healing of the power generation and distribution of the ship regional power distribution power system is generated, so that the operation index of the ship regional power distribution power system is ensured to be within an acceptable index range, particularly, the uninterrupted power supply of important electric equipment such as ship electric propulsion is ensured, the toughness and the reliability of the power generation and distribution of the ship regional power distribution power system are improved, and the safety of ship navigation is improved.
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In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic diagram illustrating an intelligent fault-tolerant self-healing control system for power distribution of a ship regional power distribution power system according to the present invention;
fig. 2 shows a specific implementation flowchart of an intelligent fault-tolerant self-healing control method for power distribution of a ship regional power distribution power system provided by the invention.
Detailed Description
Examples
The embodiment discloses a method and a system for intelligent fault-tolerant self-healing control of power distribution of a ship regional power distribution power system, referring to fig. 1, the intelligent fault-tolerant self-healing control system for power distribution of the ship regional power distribution power system includes:
the data and information acquisition unit 10 detects the ship region power distribution power system 9 and the power generation and distribution controlled object thereof to obtain a detection result, wherein the detection result is corresponding information of the controlled object of the ship region power distribution power system 9; a fault diagnosis and classification unit 12 for acquiring the fault diagnosis and classification information; the intelligent fault-tolerant self-healing decision unit 1 acquires a detection result from the data and information acquisition unit 10 and diagnosis and classification information of the fault diagnosis and classification unit 12 to judge whether an index of the operation of the ship regional power distribution power system 9 is in a normal range, and if the index is in the normal range, the system is maintained to operate, and the power distribution function is continuously completed; if the fault diagnosis is not in the normal range, a self-healing decision scheme is formed according to the diagnosis result of fault diagnosis and intelligent logic reasoning; and the intelligent self-healing coordination and distribution unit 2 receives the self-healing decision scheme of the intelligent fault-tolerant self-healing decision unit 1, and after information exchange with other automatic subsystems of the ship, forms a control instruction for mutual coordination and distribution among subsystems of the ship regional power distribution power system according to intelligent logical reasoning. The intelligent fault-tolerant controller 6 is used for receiving the deviation amount of the feedback information of the output of the ship regional distribution power coordination power generation and distribution instruction unit 4 and intelligent fault diagnosis, performing self-healing control distribution according to a control instruction, wherein the deviation amount is obtained by the deviation calculation unit 5, the input of the deviation calculation unit 5 is a fault diagnosis and classification unit 12, the ship regional distribution power coordination power generation and distribution instruction unit 4, receiving the data sent by the fault diagnosis and classification unit 12 and the ship regional distribution power coordination power generation and distribution instruction unit 4, and calculating the deviation amount; and the execution power generation execution selection unit 7 and the distribution execution selection unit 8 receive the self-healing control distribution result of the intelligent fault-tolerant controller 6, and perform parallel control of intelligent power generation self-healing control and intelligent power distribution self-healing control.
It should be noted that, in combination with the first part of the intelligent fault-tolerant control shown in fig. 1, the intelligent fault-tolerant self-healing decision unit 1 obtains the output from the data and information acquisition unit 10 through the data input channel 15 to completely acquire the information of the ship regional power distribution system 9, and also obtains the information of the power distribution unit fault diagnosis of the fault diagnosis and classification unit 12, and performs inference, judgment and fault-tolerant self-healing decision according to the intelligent logical reasoning, and applies the scheme of generating the self-healing decision by the intelligent generalization, such as the self-healing decision schemes of system reconstruction, degraded operation, fault compensation, fault switching, and the like, and transmits the scheme to the intelligent self-healing coordination and distribution unit 2; after the scheme is transmitted to an intelligent self-healing coordination and distribution unit 2, the scheme exchanges real-time information with other automatic subsystems 3 of a ship, a coordination instruction is formed by combining state information of the other automatic subsystems of the ship, and the coordination instruction is transmitted to an intelligent fault-tolerant self-healing controller 6 consisting of self-healing control distribution, intelligent power generation fault-tolerant self-healing and intelligent power distribution fault-tolerant self-healing, so that fault-tolerant self-healing control calculation is performed, the input of the intelligent fault-tolerant controller 6 is the deviation amount of the output of a ship regional power distribution coordination and power distribution instruction unit 4 and the feedback information of intelligent fault diagnosis, the intelligent fault-tolerant controller 6 performs self-healing control distribution according to the instruction of the intelligent self-healing coordination and distribution unit 2, and then parallel control of intelligent power generation self-healing control and intelligent power distribution control is performed through a power generation execution selection unit 7 and a power; the parallel execution instruction respectively implements multivariable closed-loop feedback active fault-tolerant control based on fault diagnosis on a power generation unit and a power distribution unit in a ship regional power distribution power system through a power generation execution selection unit 7 and a power distribution execution selection unit 8 so as to complete intelligent fault-tolerant self-healing control of faults.
The second part of intelligent fault diagnosis is mainly completed in a feedback loop of intelligent fault-tolerant self-healing control, the intelligent fault diagnosis obtains the output from the data and information acquisition unit 10 through a data input channel 16 to obtain the data and the information of the ship regional distribution electric power system 9, the multi-information fusion fault information and processing unit 14 carries out the preprocessing of the multi-information fusion fault information, the deep learning neural network fault diagnosis unit 13 carries out the fault diagnosis based on the deep learning neural network of the ship regional distribution electric power system fault and symptom mapping relation knowledge base, the power generation and distribution fault diagnosis of the ship regional distribution electric power system is completed, the confirmed fault diagnosis and the classification of the fault are obtained, the tasks of the three aspects of fault identification, analysis and reason matching are completed based on a ship regional power distribution power system fault and symptom mapping relation knowledge base; the fault diagnosis is completed by the fault diagnosis and classification unit 12, and the information is respectively output to the intelligent fault-tolerant self-healing decision unit 1 for fault-tolerant self-healing decision and the deviation calculation unit 5 for fault-tolerant self-healing feedback control, so as to implement intelligent fault-tolerant self-healing control on the power distribution unit of the ship regional power distribution power system. The other ship automation subsystem 3 in fig. 1 mainly refers to an electrical load subsystem in a ship regional power distribution power system, including subsystems such as electric propulsion, and the ship regional power distribution power system in fig. 1 displays 11 to complete visualization of parameters and states of the ship regional power distribution power system. Fig. 2 is an implementation flow of an intelligent fault-tolerant self-healing closed-loop feedback control method for power distribution of a ship regional power distribution power system, wherein the intelligent fault-tolerant self-healing closed-loop feedback control method for power distribution of the ship regional power distribution power system of fig. 2 is used for completing intelligent active fault-tolerant self-healing control based on intelligent fault diagnosis by combining intelligent decision; the part above the dotted line of fig. 2 mainly completes the intelligent fault diagnosis function, the part below the dotted line of fig. 2 mainly completes the intelligent fault-tolerant control function, and the two functions are combined with the intelligent decision to complete the intelligent active fault-tolerant self-healing control of the power generation and distribution of the ship regional power distribution power system based on the intelligent fault diagnosis.
Specifically, the working principle of the intelligent fault-tolerant self-healing control flow for power distribution of the ship regional power distribution power system is as follows: an executive program enters an intelligent fault-tolerant self-healing control flow inlet 21, data and information of a ship regional power distribution system are acquired through a ship regional power distribution system data and information acquisition unit 22, acquired information is subjected to multi-information fusion fault feature preprocessing through a multi-information fusion fault feature preprocessing unit 23, fault classification and identification are carried out by relying on a ship regional power distribution system fault and symptom mapping relation knowledge base 27, if the fault classification and identification are not finished, the flow returns to the multi-information fusion fault feature preprocessing unit 23, and then multi-information fusion fault feature preprocessing is continued; if the fault classification and identification are completed, entering a deep learning neural network fault analysis unit 25, performing fault analysis based on a deep learning neural network by relying on a ship regional distribution power system fault and symptom mapping relation knowledge base 27, then entering a neural network mapping fault and reason matching unit 26, performing fault and reason matching by relying on the ship regional distribution power system fault and symptom mapping relation knowledge base 27, determining the fault reason when the matching is completed, reaching a fault reason determining unit 28 to finish intelligent fault diagnosis, if determining that no fault exists, feeding back to a no-fault unit 35 to determine that no fault exists (no fault serves as a general state of system operation), and then entering an intelligent fault-tolerant self-healing control flow inlet 21; if the matching of the faults and the reasons in the neural network mapping fault and reason matching unit 26 is not completed, the data and information acquisition unit 22 returns to the ship regional power distribution system, and the fault diagnosis of the next cycle is continued. After the fault of the distribution power system of the ship region is diagnosed, the intelligent fault-tolerant control stage below a dotted line is entered, fault classification is carried out by a fault classification unit 29 according to the diagnosis conclusion of the fault, and the fault is mainly divided into three types of sensor fault, actuator fault and distribution power system fault of the ship region; then, the fault-tolerant decision classification unit 30 performs corresponding fault-tolerant decision classification, and the decision types are divided into fault-tolerant decision schemes such as system reconstruction, degraded operation, fault compensation, fault switching and the like according to the characteristics of the fault; the generated decision scheme is transmitted to an intelligent fault-tolerant control calculation unit 31, the intelligent fault-tolerant control calculation is carried out by the decision scheme 31 in combination with a comparison result of an input instruction of a ship regional power distribution power system and fault diagnosis feedback information, an intelligent self-healing control execution instruction of a fault is obtained, the instruction is distributed and executed by an instruction distribution and execution unit 32, and self-healing control is carried out on a power distribution fault; the control effect and quality need to be judged according to indexes, the judgment of the operation index judgment unit 33 of the ship regional distribution power system is the last process of self-healing control, when the judgment indexes are met, the intelligent fault-tolerant self-healing control is effective, the system can maintain the power distribution function, otherwise, the intelligent fault-tolerant self-healing control based on intelligent fault diagnosis in the next period needs to be carried out again by returning to the data and information acquisition unit 22 of the ship regional distribution power system; the objective is to perform multivariable closed-loop feedback active fault-tolerant control based on fault diagnosis when a ship regional power distribution power system fails, and complete intelligent fault-tolerant self-healing control of the fault by combining intelligent decision, so that the system can still maintain continuous power supply to important equipment, particularly electric propulsion equipment, when the system fails, the power distribution operation index meets the requirement, the system enters a maintenance system operation unit 34, then enters the next control period 36, reaches an intelligent fault-tolerant self-healing control flow inlet 21, and the control flow is executed repeatedly.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (5)
1. The utility model provides a fault-tolerant self-healing control system of boats and ships regional distribution electric power system power generation distribution intelligence which characterized in that includes:
the data and information acquisition unit (10) detects the ship regional power distribution power system (9) and the power distribution controlled object thereof to obtain a detection result, wherein the detection result is corresponding information of the detected object of the ship regional power distribution power system (9);
a fault diagnosis and classification unit (12) for performing fault diagnosis and fault classification information processing according to the fault diagnosis logic;
the intelligent fault-tolerant self-healing decision unit (1) is used for acquiring the detection result from the data and information acquisition unit (10) and the diagnosis confirming and classifying information of the fault diagnosis and classifying unit (12), making a decision according to an intelligent self-healing method, judging whether the running index of the ship regional power distribution power system (9) is in a normal range, if so, maintaining the running of the system, and continuously completing the power distribution function; if the fault diagnosis is not in the normal range, a self-healing decision scheme is formed according to the diagnosis result of fault diagnosis and intelligent logic reasoning;
the intelligent self-healing coordination and distribution unit (2) receives the self-healing decision scheme of the intelligent fault-tolerant self-healing decision unit (1), and after information exchange with other automatic subsystems of the ship, forms a control instruction for mutual coordination and distribution among subsystems of a ship regional power distribution power system according to intelligent logical reasoning;
the intelligent fault-tolerant controller (6) is used for receiving the deviation amount of the feedback information of the output of the ship regional distribution power coordination distribution instruction unit (4) and intelligent fault diagnosis, carrying out self-healing control distribution according to the control instruction, wherein the deviation amount is obtained by a deviation calculation unit (5), and the deviation calculation unit (5) is connected with the fault diagnosis and classification unit (12) and the ship regional distribution power coordination distribution instruction unit (4) so as to receive the data sent by the fault diagnosis and classification unit (12) and the ship regional distribution power coordination distribution power distribution instruction unit (4) and implement multivariable closed-loop feedback active fault-tolerant control based on fault diagnosis;
and the execution selection units (7 and 8) receive the self-healing control distribution instruction of the intelligent fault-tolerant controller (6) and implement the parallel control of the intelligent self-healing control of power generation and the intelligent self-healing control of power distribution.
2. The intelligent fault-tolerant self-healing control system for power distribution of ship regional power distribution power system according to claim 1, wherein the execution selection unit (7, 8) comprises: a power generation execution selection unit (7) and a power distribution execution selection unit (8); through electricity generation execution selection unit (7) with distribution execution selection unit (8) carry out the parallel control of electricity generation intelligence self-healing control and distribution self-healing intelligent control, parallel execution instruction is respectively through electricity generation execution selection unit (7) and distribution execution selection unit (8), and multivariable closed-loop feedback initiative fault-tolerant control based on failure diagnosis is implemented to electricity generation unit and distribution unit among the regional distribution electric power system of boats and ships, combines intelligent decision to accomplish the intelligent fault-tolerant self-healing control of trouble.
3. The intelligent fault-tolerant self-healing control system for power generation and distribution of a ship regional power distribution power system according to claim 1 or 2, wherein the intelligent fault-tolerant controller (6) consists of a self-healing control distribution unit, an intelligent power generation fault-tolerant self-healing unit and an intelligent power distribution fault-tolerant self-healing unit, and receives instructions and fault diagnosis information of the intelligent self-healing coordination and distribution unit (2) and the distribution unit; the fault is classified as: sensor faults, actuator faults and power system faults of ship regional power distribution; fault tolerant decisions are classified as: decision schemes such as system reconstruction, degraded operation, fault compensation and fault switching;
the intelligent fault-tolerant control calculation is divided into intelligent power generation fault-tolerant self-healing and intelligent power distribution fault-tolerant self-healing, intelligent fault-tolerant self-healing execution instructions of a power generation unit and a power distribution unit of a ship regional power distribution power system are respectively generated, and multivariate closed-loop feedback active fault-tolerant control based on fault diagnosis is implemented; the intelligent power generation fault-tolerant self-healing execution instruction is mainly an instruction in a continuous change control form, and the intelligent power distribution fault-tolerant self-healing execution instruction is mainly an instruction in a discrete control form.
4. The intelligent fault-tolerant self-healing control system for power distribution of ship regional power distribution power system according to claim 1, further comprising: a deep learning neural network fault diagnosis unit (13) and a multi-information fusion fault information and processing unit (14);
the multi-information fusion fault information and processing unit (14) receives the detection result of the data and information acquisition unit (10) and carries out multi-information fusion fault information preprocessing;
the deep learning neural network fault diagnosis unit (13) receives the fault information preprocessing result, carries out fault diagnosis based on the deep learning neural network by relying on a ship regional power distribution power system fault and symptom mapping relation knowledge base, completes the power distribution fault diagnosis of the ship regional power distribution power system, and obtains the confirmed fault diagnosis and classification of the fault, wherein the tasks of three aspects of fault recognition, analysis and reason matching are completed based on the ship regional power distribution power system fault and symptom mapping relation knowledge base; and the diagnosis result is sent to the fault diagnosis and classification unit (12), and the fault diagnosis is realized by the fault diagnosis and classification unit (12), so that the fault diagnosis information is respectively output to the intelligent fault-tolerant self-healing decision-making unit (1) for fault-tolerant self-healing decision-making and the deviation calculation unit (5), multivariable closed-loop feedback active fault-tolerant control based on fault diagnosis is implemented, and the intelligent fault-tolerant self-healing control of the fault of the power generation and distribution unit of the ship regional power distribution power system is completed by combining the intelligent decision-making.
5. An intelligent fault-tolerant self-healing control method for power distribution of a ship regional power distribution power system is characterized by comprising the following steps:
detecting a ship regional power distribution power system (9) and a power distribution controlled object thereof through a data and information acquisition unit (10) to obtain a detection result, wherein the detection result is corresponding information of the detected object of the ship regional power distribution power system (9);
the failure diagnosis and classification information processing is carried out according to the failure diagnosis logic through a failure diagnosis and classification unit (12);
acquiring a detection result from the data and information acquisition unit (10) and confirmed diagnosis and classification information of the fault confirmed diagnosis and classification unit (12) based on an intelligent fault-tolerant self-healing decision unit (1), making a decision according to an intelligent self-healing method, judging whether an index of the operation of the ship regional power distribution power system (9) is in a normal range, if so, maintaining the operation of the system, and continuing to finish the power distribution function; if the fault diagnosis is not in the normal range, a self-healing decision scheme is formed according to the diagnosis result of fault diagnosis and intelligent logic reasoning;
receiving the self-healing decision scheme of the intelligent fault-tolerant self-healing decision unit (1) through an intelligent self-healing coordination and distribution unit (2), and after information exchange with other automatic subsystems of the ship, forming a control instruction for mutual coordination and distribution among subsystems of a ship regional power distribution power system according to intelligent logical reasoning;
the intelligent fault-tolerant controller (6) receives the deviation amount of the output of the ship regional distribution power coordination distribution instruction unit (4) and the feedback information of intelligent fault diagnosis, self-healing control distribution is carried out according to the control instruction, the deviation amount is obtained by a deviation calculation unit (5), the deviation calculation unit (5) is connected with the fault diagnosis and classification unit (12) and the ship regional distribution power coordination distribution instruction unit (4) so as to receive the data sent by the fault diagnosis and classification unit (12) and the ship regional distribution power coordination distribution instruction unit (4), and multivariable closed-loop feedback active fault-tolerant control based on fault diagnosis is implemented;
and receiving the self-healing control distribution instruction of the intelligent fault-tolerant controller (6) through execution selection units (7, 8), and implementing parallel control of intelligent power generation self-healing control and intelligent power distribution self-healing control.
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