CN112865301A - Intelligent immune self-healing method and system for ship regional distribution power system - Google Patents
Intelligent immune self-healing method and system for ship regional distribution power system Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00004—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the power network being locally controlled
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
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Abstract
The invention discloses an intelligent immune self-healing method and system for a ship regional power distribution power system, wherein the method comprises the following steps: detecting faults of a distribution power system of a ship region; generating an intelligent immune self-healing scheme of a ship regional power distribution power system; the ship regional distribution power system intelligently performs fault recovery. The ship regional power distribution power immune system has memory capacity, records the fault characteristics through the immune memory capacity of B cells, and can quickly identify the fault when the fault occurs again. The fault self-healing global optimal scheme of the distribution power system in the ship area is ensured to be obtained quickly. The ship regional power distribution power immune system has diversity retention capability, and in order to cope with various faults, the diversity of an antibody group is retained by inhibiting an antibody with too high concentration, so that the global convergence of an algorithm is ensured.
Description
Technical Field
The invention relates to the field of ships, in particular to an intelligent immune self-healing method and system for a ship regional power distribution power system.
Background
China is a large world shipbuilding country and is in the key period of developing to the world shipping and shipbuilding strong countries at present. With the increasing capacity scale and complexity of the ship regional power distribution power system, the ship regional power distribution power system is required to have strong fault self-healing capability. The artificial immune algorithm is an intelligent optimization algorithm, has good adaptivity, memory and diversity, can be well applied to self-healing of the faults of the ship power system, and improves the operation efficiency of the ship regional power distribution power system and the immunity to the faults.
In recent years, novel intelligent optimization algorithms such as genetic algorithm, simulated annealing algorithm, ant colony algorithm, particle swarm algorithm, artificial immunity algorithm, hybrid optimization strategy and the like are applied to self-healing of faults of a ship regional power distribution power system. For example, the ant colony algorithm has strong robustness but low convergence speed, the genetic algorithm has good convergence but cannot well solve the problem of large-scale calculated amount, and the artificial neural network algorithm has short calculation time but is easy to fall into local optimization. By adopting an intelligent method, a feasible solution is provided for the problem of self-healing of the fault of the ship regional distribution power system which is difficult to process by the traditional optimization technology, and the ship regional distribution power system has the capabilities of learning, memorizing and adapting to decision.
Currently, the intelligent optimization algorithm is applied to the intelligent self-healing of the ship regional distribution power system, and a plurality of defects are exposed. When the genetic algorithm is applied to the self-healing of the fault of the distribution power system in the ship region, the phenomenon of premature convergence exists, the local searching capability is weak, and the optimal fault self-healing scheme of the ship power system cannot be accurately found out. When the ant colony algorithm is applied to the faults of the ship area power distribution power system, the faults and the disturbance speed of the ship area power distribution power system are restrained to be low, and the given fault self-healing scheme is not optimal. When the artificial neural network algorithm is used for self-healing of the fault of the large-scale ship regional distribution power system, the ship power system needs to spend a long time for self-healing of the fault. These algorithms do not guarantee a fast and effective suppression of vessel regional distribution power system faults. The operation efficiency of the ship regional power distribution power system cannot be ensured.
Disclosure of Invention
The invention aims to provide an intelligent immune self-healing method for a ship regional distribution power system, which enables the ship regional distribution power system to have the capabilities of self defense, self learning, self memory and self regulation based on the intelligent immune self-healing method for the ship regional distribution power system. The hidden danger in the ship regional power distribution power system can be eliminated in time, and the occurrence of faults and disturbance in the ship regional power distribution power system can be restrained. The better power supply reliability and higher electric energy quality of a ship regional power distribution power system are ensured.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
an intelligent immunity self-healing method for a ship regional power distribution power system comprises the following steps:
detecting faults of a distribution power system of a ship region;
generating an intelligent immune self-healing scheme of a ship regional power distribution power system;
the ship regional distribution power system intelligently performs fault recovery.
Further, the ship regional distribution power system fault detection specifically includes: the intelligent self-healing rule base unit of the ship regional distribution power immune system sends an instruction to the intelligent self-healing fault detection unit of the ship regional distribution power immune system, the electric quantity and the state quantity information of the switching element of the ship regional distribution power system of the controlled object are obtained through the sensor, and the obtained information is processed and fused, and fault detection and judgment are carried out.
Further, the generation of the intelligent immune self-healing scheme of the ship regional power distribution power system specifically comprises: the intelligent self-healing rule base unit for controlling the ship regional distribution power immune system sends an instruction to the stable operation index, the stable operation index is compared with fault information obtained by the fault detection unit for the ship regional distribution power immune system, the intelligent self-healing scheme generation unit for the ship regional distribution power immune system generates exchange information through the intelligent self-healing rule base unit for the ship regional distribution power immune system, fault isolation is completed through positioning faults, and a fault optimal recovery scheme for the ship regional distribution power system is provided according to knowledge of each rule base.
Further, the intelligently executing fault recovery of the ship regional power distribution power system specifically comprises:
the intelligent self-healing rule base unit of the ship regional power distribution immune system sends an instruction to the intelligent self-healing scheme execution unit of the ship regional power distribution immune system to execute the fault recovery scheme; the intelligent self-healing scheme execution unit of the ship regional power distribution immune system exchanges information with the intelligent self-healing scheme generation unit of the ship regional power distribution immune system to obtain a fault recovery scheme; and an intelligent execution device in the intelligent self-healing scheme execution unit of the ship regional power distribution power immune system resets the on-off state in the ship power system according to the requirement of the recovery scheme, and recovers the power supply of the ship power system.
On the other hand, the invention also provides an intelligent immune self-healing system of a ship regional power distribution power system, which comprises:
the intelligent self-healing rule base unit of the ship regional distribution power immune system is used as a monitoring upper computer for monitoring the running state of the ship power system; the system comprises a plurality of rule bases, wherein each rule base is responsible for organizing the existing rules, and controlling other units to react to faults intruding into a ship power system so as to dynamically update the knowledge of the rule bases;
the intelligent self-healing scheme generation unit of the ship regional distribution power immune system forms an optimal strategy which accords with the actual fault self-healing of the ship power system under the action of an artificial immune algorithm according to knowledge provided by each rule base in the monitoring upper computer;
the ship regional distribution power immune system fault detection unit samples electric quantities such as voltage, current, frequency and power of a ship regional distribution power system and state quantity information of each switching element through a sensor under the instruction of a monitoring upper computer, processes and fuses the obtained information to form standard information to perform fault detection and fault judgment, and reflects the running state of the ship regional distribution power system;
the intelligent self-healing scheme execution unit of the ship regional distribution power immune system determines the switching state of the ship power system or the control strategy of a generator according to the generated fault self-healing scheme of the ship power system under the instruction of monitoring the upper computer, and controls a controller in the ship power system to perform corresponding actions through the intelligent execution device so as to complete the fault self-healing of the ship power system and recover power supply; and
a control object ship region distribution power system.
Further, the intelligent self-healing rule base unit of the ship regional power distribution power immune system comprises an antigen defense rule base, a B cell behavior rule base, an antibody generation rule base and an antigen elimination rule base of the ship regional power distribution power system; the antigen defense rule base is responsible for organizing the existing rules and making an immune response to the fault invading into the distribution power system of the ship area; the B cell behavior rule base is responsible for exchanging information with a ship regional power distribution power system trigger B cell unit, providing knowledge and rules for triggering the B cell unit, and realizing knowledge updating of the B cell behavior rule base; the antibody generation rule base is responsible for providing the rules and knowledge of antibody generation for the unit for generating the antibody by the ship power system; after the intelligent immunity self-healing of the ship regional distribution power system, updating the information generated by the antibody to an antibody generation rule base; the antigen elimination rule base still keeps a certain number of B cells as immune memory cells in the system after the ship power system fault is eliminated, so that the ship regional power distribution power system can quickly react and process the fault after encountering the same fault again, the intelligent secondary immune response of the ship regional power distribution power system is quicker, and the relearning is not needed.
Furthermore, the intelligent self-healing scheme generation unit of the ship regional distribution power immune system is used for antigen invasion of the ship regional distribution power system, B cell triggering of the ship regional distribution power system, antibody generation of the ship regional distribution power system and antigen elimination of the ship regional distribution power system.
Furthermore, the fault detection unit of the ship regional distribution power immune system is used for information processing, information fusion, fault detection and fault judgment.
Further, the intelligent self-healing scheme execution unit of the ship regional power distribution power immune system comprises an intelligent protection unit and an intelligent execution device unit.
Furthermore, the ship regional power distribution power system of the control object comprises four generators for providing power for the ship regional power distribution power system; the two propulsion motors and the propeller are used for propelling the ship to sail; the whole ship area power distribution power system is divided into four isolated power utilization areas, so that the stability and the fault isolation capability of the ship area power distribution power system are enhanced; the power generation unit and the power distribution unit are longitudinally connected and are connected in series with each power distribution unit to form a complete annular network, and then power is supplied to each regional power utilization unit; when any one generator set subsystem fails, other generator set subsystems can replace the failed generator set subsystem to supply power; when any one electric load system has a fault, the electric load system can be isolated, and the power supply of other electric loads is not influenced.
Compared with the prior art, the invention has at least one of the following advantages:
the ship regional power distribution power immune system has memory capacity, records the fault characteristics through the immune memory capacity of B cells, and can quickly identify the fault when the fault occurs again. The fault self-healing global optimal scheme of the distribution power system in the ship area is ensured to be obtained quickly. The ship regional power distribution power immune system has diversity retention capability, and in order to cope with various faults, the diversity of an antibody group is retained by inhibiting an antibody with too high concentration, so that the global convergence of an algorithm is ensured. The ship regional power distribution power immune system has self-regulation capacity (learning capacity), can identify faults and disturbance which occur in the ship regional power distribution power system for the first time, and continuously adapts to the environment of the whole ship regional power distribution power system through the self dynamic regulation capacity.
The invention aims at the problem of fault recovery of a ship regional power distribution power system, and adopts an intelligent immune self-healing method for the ship regional power distribution power system. The intelligent self-healing rule base unit for the ship regional power distribution immunity serves as an upper computer, rules are provided for a ship regional power distribution power system and supervision is carried out on the ship regional power distribution power system, and faults in the ship regional power distribution power system are processed by the functional units in a mutual coordination mode under the action of an artificial immunity algorithm. By adopting the idea of a closed-loop control system and the idea of a supervisory control system, the method not only realizes intelligent immune self-healing of the distribution power system in the ship region, but also enables the ship power system to have better power supply reliability and higher power quality. The fault immunity of the ship regional power distribution power system is greatly improved.
Drawings
FIG. 1 is a schematic diagram of a structure of an intelligent immune self-healing system of a ship regional power distribution power system;
fig. 2 is a flow chart of a power distribution immune algorithm of a ship region.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings 1-2 and the detailed description thereof. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise scale for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention comprehensible, reference is made to the accompanying drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the present invention, so that the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "include," "include," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, a marine regional distribution power system intelligent immune self-healing method, an article, or a field device that includes a list of elements includes not only those elements but also other elements not expressly listed or inherent to such a process, marine regional distribution power system intelligent immune self-healing method, article, or field device. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in a process, marine regional distribution power system intelligent immune self-healing method, article, or field device that comprises the element.
Referring to fig. 1 and fig. 2, an intelligent immune self-healing method for a ship regional power distribution power system according to the present embodiment includes:
detecting faults of a distribution power system of a ship region;
generating an intelligent immune self-healing scheme of a ship regional power distribution power system;
the ship regional distribution power system intelligently performs fault recovery.
In this embodiment, the ship region distribution power system fault detection specifically includes: corresponding to the ship regional distribution power immune system intelligent self-healing fault detection unit 22, under the instruction of the control center ship regional distribution power immune system intelligent self-healing rule base unit 9, the power immune system obtains the controlled object 1 ship regional distribution power system electrical quantity such as power, voltage, current, frequency and switch state information. The information processing unit 2 of the intelligent self-healing fault detection unit 22 of the ship regional power distribution immune system uniformly processes the obtained information, and the information fusion unit 3 fuses the processed information to generate a corresponding standard signal to reflect the running state of the ship regional power distribution power system. The intelligent self-healing fault detection unit 22 of the ship regional distribution power immune system detects and judges the fault type of the ship regional distribution power system under the action of the intelligent self-healing rule base unit 9 of the ship regional distribution power immune system through the fault detection unit 4 and the fault judgment unit 5 according to the operation state information of the ship power system after processing based on the ship regional distribution power immune algorithm. The intelligent self-healing fault detection unit 22 of the ship regional distribution power immune system compares the obtained information with the stable operation index, and sends the information to the intelligent self-healing scheme generation unit 10 of the controller ship regional distribution power immune system for further processing.
In this embodiment, the generation of the intelligent immune self-healing scheme of the ship regional power distribution power system specifically includes: the antigen intrusion (disturbance and fault) unit 11 in the ship region distribution power immune system intelligent self-healing scheme generation 10 is used for exchanging information with the ship region distribution power system antigen defense rule base unit 15 in the ship region distribution power immune system intelligent self-healing rule base 9 aiming at faults occurring in the ship power system, and judging whether the faults in the ship region distribution power system are self or non-self. The information after the failure processing is updated to the antigen defense rule base 15. After the ship power system is subjected to fault location and fault isolation, the ship regional power distribution power system triggers the B cell unit 12 to exchange information with the B cell behavior rule base unit 16, and after the B cell is triggered by the antigen, an antibody is generated, namely a fault recovery scheme of the ship regional power distribution power system. The information is updated to the B cell behavior rule base 16, the ship regional distribution power system antibody generation unit 13 corresponds to the antibody generation rule unit 17 in the ship regional distribution power immune system intelligent self-healing rule base 9, and whether the affinity between the newly obtained antibody and the antigen meets the termination condition is calculated by cloning, mutating and cloning inhibition of the antibody. If the obtained intelligent immune self-healing scheme of the ship regional power distribution power system can solve the problem of the ship power system fault, the corresponding intelligent immune self-healing scheme of the ship regional power distribution power system is output. This information is updated to the antibody production rule base unit 17. The marine regional distribution power system antigen elimination unit 14 eliminates antigens by the action of the antigen elimination rule base unit 18, and updates the information to the antigen elimination rule base unit 18. So far, an intelligent immune self-healing scheme is generated for a ship regional power distribution power system.
In this embodiment, the intelligent execution of the fault recovery of the ship regional distribution power system specifically includes: the intelligent self-healing scheme execution unit 19 of the ship regional distribution power immune system resets the on-off state of the ship regional distribution power system 1 to be controlled through the intelligent protection unit 20 and the intelligent execution device unit 21 under the instruction of the intelligent self-healing rule base unit 9 of the ship regional distribution power immune system in the system control center, and intelligent immune self-healing of the ship regional distribution power system is realized.
As shown in fig. 2, the flow of the ship region distribution power immune algorithm, the basic idea of the artificial immune algorithm is to correspond an antigen to an objective function and a constraint condition, an antibody to a solution of a search space, and the solution is evaluated and selected by the affinity between the antibody and the antigen. And identifying faults and disturbance 1 through the ship region power distribution power immune system to determine the types and characteristics of the faults in the ship region power distribution power system. The ship regional power distribution power immune system generates an initial population (antibody population) 2, and the initial solution population for the fault recovery of the ship regional power distribution power system is obtained according to corresponding conditions by initializing the antibodies. And then evaluating the fault recovery scheme through the ship regional distribution power immune system and selecting 3 to evaluate the fault recovery scheme of the ship power system, namely judging the proximity degree of the obtained solution to the problem. And selecting the best intelligent self-healing scheme of the ship regional distribution power immune system at present, judging whether the fault of the ship power system can be solved or not, namely judging whether the fault can be used as the fault recovery scheme of the ship regional distribution power system or not, and outputting the optimal scheme 5 of the intelligent immune self-healing scheme of the ship regional distribution power system if the fault is met. If the termination condition is not met, the concentration and the excitation degree of each antibody are obtained by calculating the concentration and the excitation degree 6 of the antibodies of the power distribution immune system of the ship area. Then, those antibodies with low antibody concentration and higher stimulation degree are selected. Through the cloning and variation of the antibodies of the power distribution immune system in the ship region and the generation of affinity mutation of cloning inhibition 7 on the antibodies, local search is realized, and potential antibodies and an intelligent self-healing scheme with high quality for the ship power system are selected. Those antibodies with too high a concentration and too low an affinity are suppressed by clonal inhibition. And realizing the population refreshing 8 of the power distribution immune system in the ship region. And then evaluating the fault recovery scheme of the ship regional distribution power immune system again and selecting 3 the intelligent immune self-healing scheme, judging whether the fault of the ship regional distribution power system can be solved or not 4, if not, continuing optimizing the intelligent self-healing scheme of the ship regional distribution power immune system until the final constraint condition is met, and outputting an intelligent self-healing scheme 5 of the ship regional distribution power immune system. And obtaining an intelligent immune self-healing scheme of the ship regional power distribution power system.
Based on the same inventive concept, the embodiment further provides an intelligent immune self-healing system for a ship regional power distribution power system, which includes:
the intelligent self-healing rule base unit of the ship regional distribution power immune system is used as a monitoring upper computer for monitoring the running state of the ship power system; the system comprises a plurality of rule bases, wherein each rule base is responsible for organizing the existing rules, and controlling other units to react to faults intruding into a ship power system so as to dynamically update the knowledge of the rule bases;
the intelligent self-healing scheme generation unit of the ship regional distribution power immune system forms an optimal strategy which accords with the actual fault self-healing of the ship power system under the action of an artificial immune algorithm according to knowledge provided by each rule base in the monitoring upper computer;
the ship regional distribution power immune system fault detection unit samples electric quantities such as voltage, current, frequency and power of a ship regional distribution power system and state quantity information of each switching element through a sensor under the instruction of a monitoring upper computer, processes and fuses the obtained information to form standard information to perform fault detection and fault judgment, and reflects the running state of the ship regional distribution power system;
the intelligent self-healing scheme execution unit of the ship regional distribution power immune system determines the switching state of the ship power system or the control strategy of a generator according to the generated fault self-healing scheme of the ship power system under the instruction of monitoring the upper computer, and controls a controller in the ship power system to perform corresponding actions through the intelligent execution device so as to complete the fault self-healing of the ship power system and recover power supply; and
a control object ship region distribution power system.
Fig. 1 is a structural schematic diagram of an intelligent immune self-healing system of a ship regional power distribution power system. The control object is a ship regional distribution power system. The intelligent self-healing rule base unit of the ship regional power distribution power immune system serves as an upper computer, rules are provided and supervised through control over other functional units of the power immune system, the running state of the ship power system is known in time, and faults in the ship regional power distribution power system are processed through a closed-loop control mode by the other functional units.
As shown in fig. 2, the flow of the ship region distribution power immunization algorithm. When a fault occurs, the ship regional power distribution power system identifies the fault and disturbance and judges the type and characteristics of the fault. The power distribution immune system of the ship area carries out antibody initialization to generate an initial population with a certain scale. And evaluating and selecting the fault recovery scheme by the ship regional distribution power immune system, judging whether the selected scheme can solve the fault of the ship power system, and outputting an intelligent self-healing scheme of the ship regional distribution power immune system if the selected scheme meets the fault. If the concentration of the antibodies does not meet the requirement, calculating the antibody concentration and the excitation degree of the power distribution immune system of the ship region, carrying out immune selection according to the excitation degree of the antibodies, and carrying out clonal variation on the selected antibodies. After the cloning, high-frequency variation and elimination of the low-affinity antibody by the electric power immune system, the antibody population of the distribution electric power system in the ship area is refreshed, namely, the fault self-healing scheme of the ship electric power system is optimized, and the intelligent self-healing scheme of the distribution electric power immune system in the ship area is evaluated and selected again. And if the condition is met, outputting an intelligent self-healing scheme of the ship regional power distribution power immune system. And if the fault does not meet the requirement, the intelligent immune self-healing scheme of the ship regional power distribution power system is continuously optimized until the fault of the ship regional power distribution power system can be solved.
In this embodiment, the intelligent self-healing rule base unit of the ship regional power distribution power immune system comprises an antigen defense rule base, a B cell behavior rule base, an antibody generation rule base and an antigen elimination rule base of the ship regional power distribution power system; the antigen defense rule base is responsible for organizing the existing rules and making an immune response to the fault invading into the distribution power system of the ship area; the B cell behavior rule base is responsible for exchanging information with a ship regional power distribution power system trigger B cell unit, providing knowledge and rules for triggering the B cell unit, and realizing knowledge updating of the B cell behavior rule base; the antibody generation rule base is responsible for providing the rules and knowledge of antibody generation for the unit for generating the antibody by the ship power system; after the intelligent immunity self-healing of the ship regional distribution power system, updating the information generated by the antibody to an antibody generation rule base; the antigen elimination rule base still keeps a certain number of B cells as immune memory cells in the system after the ship power system fault is eliminated, so that the ship regional power distribution power system can quickly react and process the fault after encountering the same fault again, the intelligent secondary immune response of the ship regional power distribution power system is quicker, and the relearning is not needed.
In this embodiment, the intelligent self-healing scheme generation unit of the ship regional distribution power immune system is used for antigen invasion of the ship regional distribution power system, triggering of a B cell by the ship regional distribution power system, antibody generation by the ship regional distribution power system, and antigen elimination by the ship regional distribution power system.
In this embodiment, the fault detection unit of the ship regional distribution power immune system is used for information processing, information fusion, fault detection and fault discrimination.
In this embodiment, the intelligent self-healing scheme execution unit of the ship regional distribution power immune system comprises an intelligent protection unit and an intelligent execution device unit.
In this embodiment, the ship regional power distribution power system to be controlled includes four generators, and provides power for the ship regional power distribution power system; the two propulsion motors and the propeller are used for propelling the ship to sail; the whole ship area power distribution power system is divided into four isolated power utilization areas, so that the stability and the fault isolation capability of the ship area power distribution power system are enhanced; the power generation unit and the power distribution unit are longitudinally connected and are connected in series with each power distribution unit to form a complete annular network, and then power is supplied to each regional power utilization unit; when any one generator set subsystem fails, other generator set subsystems can replace the failed generator set subsystem to supply power; when any one electric load system has a fault, the electric load system can be isolated, and the power supply of other electric loads is not influenced.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.
Claims (10)
1. An intelligent immune self-healing method for a ship regional power distribution power system is characterized by comprising the following steps:
detecting faults of a distribution power system of a ship region;
generating an intelligent immune self-healing scheme of a ship regional power distribution power system;
the ship regional distribution power system intelligently performs fault recovery.
2. The intelligent immune self-healing method of the ship regional distribution power system according to claim 1, wherein the detecting the fault of the ship regional distribution power system specifically comprises: the intelligent self-healing rule base unit of the ship regional distribution power immune system sends an instruction to the intelligent self-healing fault detection unit of the ship regional distribution power immune system, the electric quantity and the state quantity information of the switching element of the ship regional distribution power system of the controlled object are obtained through the sensor, and the obtained information is processed and fused, and fault detection and judgment are carried out.
3. The intelligent immune self-healing method for the ship regional distribution power system according to claim 2, wherein the generating of the intelligent immune self-healing scheme for the ship regional distribution power system specifically comprises: the intelligent self-healing rule base unit for controlling the ship regional distribution power immune system sends an instruction to the stable operation index, the stable operation index is compared with fault information obtained by the fault detection unit for the ship regional distribution power immune system, the intelligent self-healing scheme generation unit for the ship regional distribution power immune system generates exchange information through the intelligent self-healing rule base unit for the ship regional distribution power immune system, fault isolation is completed through positioning faults, and a fault optimal recovery scheme for the ship regional distribution power system is provided according to knowledge of each rule base.
4. The intelligent immune self-healing method of the ship regional distribution power system according to claim 3, wherein the intelligently executing fault recovery of the ship regional distribution power system specifically comprises:
the intelligent self-healing rule base unit of the ship regional power distribution immune system sends an instruction to the intelligent self-healing scheme execution unit of the ship regional power distribution immune system to execute the fault recovery scheme; the intelligent self-healing scheme execution unit of the ship regional power distribution immune system exchanges information with the intelligent self-healing scheme generation unit of the ship regional power distribution immune system to obtain a fault recovery scheme; and an intelligent execution device in the intelligent self-healing scheme execution unit of the ship regional power distribution power immune system resets the on-off state in the ship power system according to the requirement of the recovery scheme, and recovers the power supply of the ship power system.
5. The utility model provides a regional distribution electric power system of boats and ships intelligence immunity self-healing system which characterized in that includes:
the intelligent self-healing rule base unit of the ship regional distribution power immune system is used as a monitoring upper computer for monitoring the running state of the ship power system; the system comprises a plurality of rule bases, wherein each rule base is responsible for organizing the existing rules, and controlling other units to react to faults intruding into a ship power system so as to dynamically update the knowledge of the rule bases;
the intelligent self-healing scheme generation unit of the ship regional distribution power immune system forms an optimal strategy which accords with the actual fault self-healing of the ship power system under the action of an artificial immune algorithm according to knowledge provided by each rule base in the monitoring upper computer;
the ship regional distribution power immune system fault detection unit samples electric quantities such as voltage, current, frequency and power of a ship regional distribution power system and state quantity information of each switching element through a sensor under the instruction of a monitoring upper computer, processes and fuses the obtained information to form standard information to perform fault detection and fault judgment, and reflects the running state of the ship regional distribution power system;
the intelligent self-healing scheme execution unit of the ship regional distribution power immune system determines the switching state of the ship power system or the control strategy of a generator according to the generated fault self-healing scheme of the ship power system under the instruction of monitoring the upper computer, and controls a controller in the ship power system to perform corresponding actions through the intelligent execution device so as to complete the fault self-healing of the ship power system and recover power supply; and
a control object ship region distribution power system.
6. The intelligent immune self-healing system of ship regional power distribution electric power system according to claim 5, wherein the intelligent self-healing rule base unit of ship regional power distribution electric power system comprises an antigen defense rule base, a B cell behavior rule base, an antibody generation rule base and an antigen elimination rule base of ship regional power distribution electric power system; the antigen defense rule base is responsible for organizing the existing rules and making an immune response to the fault invading into the distribution power system of the ship area; the B cell behavior rule base is responsible for exchanging information with a ship regional power distribution power system trigger B cell unit, providing knowledge and rules for triggering the B cell unit, and realizing knowledge updating of the B cell behavior rule base; the antibody generation rule base is responsible for providing the rules and knowledge of antibody generation for the unit for generating the antibody by the ship power system; after the intelligent immunity self-healing of the ship regional distribution power system, updating the information generated by the antibody to an antibody generation rule base; the antigen elimination rule base still keeps a certain number of B cells as immune memory cells in the system after the ship power system fault is eliminated, so that the ship regional power distribution power system can quickly react and process the fault after encountering the same fault again, the intelligent secondary immune response of the ship regional power distribution power system is quicker, and the relearning is not needed.
7. The intelligent immune self-healing system of ship regional distribution power system according to claim 5, wherein the intelligent self-healing scheme generation unit of ship regional distribution power system is used for antigen intrusion of ship regional distribution power system, triggering of B cells by ship regional distribution power system, antibody production by ship regional distribution power system, antigen elimination by ship regional distribution power system.
8. The intelligent immune self-healing system of ship regional power distribution electric power system according to claim 5, wherein the fault detection unit of ship regional power distribution electric power immune system is used for information processing, information fusion, fault detection, and fault discrimination.
9. The intelligent immune self-healing system of ship regional power distribution electric power system according to claim 5, wherein the intelligent self-healing scheme execution unit of ship regional power distribution electric power system includes an intelligent protection unit and an intelligent execution device unit.
10. The intelligent immune self-healing system according to claim 5, wherein the control-subject ship region distribution power system includes four generators for providing power to the ship region distribution power system; the two propulsion motors and the propeller are used for propelling the ship to sail; the whole ship area power distribution power system is divided into four isolated power utilization areas, so that the stability and the fault isolation capability of the ship area power distribution power system are enhanced; the power generation unit and the power distribution unit are longitudinally connected and are connected in series with each power distribution unit to form a complete annular network, and then power is supplied to each regional power utilization unit; when any one generator set subsystem fails, other generator set subsystems can replace the failed generator set subsystem to supply power; when any one electric load system has a fault, the electric load system can be isolated, and the power supply of other electric loads is not influenced.
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