CN106056269A - NanoSat satellite house-keeping health management system based on Bayes network model - Google Patents
NanoSat satellite house-keeping health management system based on Bayes network model Download PDFInfo
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Abstract
The invention discloses a NanoSat satellite house-keeping health management system based on a Bayes network model. The system includes a whole satellite level health management system, sub-system level health management modules, and part level health management units. The whole satellite level health management system is intended for conducting health evaluation and fault recovery on the whole satellite electronic system. Each sub-system level management module is intended for monitoring, diagnosing and evaluating each sub-system and constituting a comparatively independent sub-system level diagnosis evaluation module. Each part level health management unit is intended for processing and transmitting data acquired by a part or a sensor; the whole satellite level management system is connected to a plurality of sub-system level health management modules which are connected to a plurality of part level health management unit. According to the invention, the system establishes a hierarchical and distributed satellite house-keeping health management system architecture, can realize automatic management function of a satellite, and prolongs service life and safe operation of the satellite.
Description
Technical field
The present invention relates to a kind of satellite health management system, a kind of micro-nano satellite based on Ye Beisi network model
Star Service is health management system arranged.
Background technology
Micro-nano satellite refers to that quality is less than 10 kilograms, has the satellite of actually used function.Micro-nano satellite is based on micro-electricity
The micrometer/nanometer technology such as sub-technology, micro-electromechanical technology, low-light power technology and grow up, embody spacecraft microminiaturization
Development trend.Along with development and the promotion of demand of new and high technology, micro-nano satellite is little with volume, low in energy consumption, the construction cycle is short, can
Formation networking, can complete the advantage of the space tasks of complexity, play in fields such as scientific research, national defence and commercializations with relatively low cost
Important function.Micro-nano satellite technology and networking application technology thereof are one of focuses of INSAT international satellite's technical research, its communication,
The aspects such as military affairs, geological prospecting, environment and disaster monitoring, transportation, Meteorological Services, scientific experiments, survey of deep space play
The most important effect.
Highly reliable, low cost and short lead time are the major trends of modern micro-nano satellite technology development, the operation of satellite
Great change also will occur therewith with way to manage.Detect, diagnosing, alleviating and getting rid of Spacecraft malfunction, improve spacecraft
Security reliability, reduce Spacecraft Launch and operating cost aspect, prior art relies primarily on ground control station and manually sentences
Disconnected mode carries out health control to satellite health, can only use the mode pair of telecommand in limited TT & c arc
Satellite carries out state adjustment and control, has the shortcoming that satellite telemetry amount is big, parameter type is many, change is complicated, can not fit
Answer the development of modern micro-nano satellite technology.Additionally, due to micro-nano satellite itself has the feature of high-precision, complication, respectively
Between parts and each components interior be all potentially stored between various faults, and each fault existence complexity association, existing star
Although business health control method meets the needs of fault diagnosis to a certain extent, but process at uncertain problem and
Multi-source information is expressed and be there is certain limitation with fusion aspect, it tends to be difficult to accurately determines and produces the reason of fault and solve in time
Certainly.
One of the most health management system arranged spaceborne key technology having become modern spacecraft autonomous operation and need solution badly
Problem.And current, prior art lacks a kind of micro-nano satellite autonomous health control system possessing complete health management function
System.
Summary of the invention
In order to solve that prior art lacks the technical problem that satellite Star Service independently diagnoses, manages independently, the mesh of the present invention
Be to provide one by different level, distributed micro-nano satellite Star Service based on Bayesian network model is health management system arranged, including:
, subsystem level health control module, component-level health control unit health management system arranged including whole star, wherein,
The health management system arranged health evaluating for completing whole star electronic system of described whole star and fault recovery；
Described subsystem level health control module, for each subsystem is monitored, diagnoses and is assessed, constitutes the most only
Vertical subsystem level diagnostic assessment module；
Described component-level health control unit for parts or sensor acquisition to data process and transmit；
The multiple described subsystem level health control module of the described health management system arranged connection of whole star, described subsystem level is good for
Kang Guanli module connects multiple described component-level health control unit；
Wherein, described whole star subsystem health management system arranged, described level health control module and described component-level are good for
The health status of health administrative unit is between 0～1；
Wherein, 0 represents the most healthy, and 1 represents this system complete failure, represents fault in various degree between 0～1.
Preferably, the impact of described subsystem level health control module is used general by each described component-level health control unit
The threshold interval that rate represents is between 0.2～0.8.
Preferably, the impact that described whole star is health management system arranged is used general by each described subsystem level health control module
The threshold interval that rate represents is between 0.3～0.7.
Preferably, the computing formula of the health status that described whole star is health management system arranged is:
Wherein, S represents the health status index that whole star is health management system arranged, and b represents component-level health control unit
Health status index, P (f) represents the probability index that subsystem level health control module is affected by component-level health control unit, P
C () represents the subsystem level health control module probability index on the described health management system arranged impact of whole star, n1 represents the
The quantity of component-level health control unit in one subsystem level health control module, n2 represents healthy second subsystem level
The quantity of component-level health control unit in management module, nn represents component-level in the n-th subsystem level health control module
The quantity of health control unit, x represents the number in the health management system arranged middle subsystem level health control module of whole star.
Preferably, described whole star health management system arranged include health control perform module, health control specialist system and
Healthy task execution module, wherein,
Described health control performs the module collection for satellite each subsystem health data, and realizes each subsystem
Control, control to run described healthy task execution module simultaneously, from described health control specialist system, call managerial knowledge, right
The health status of satellite carries out real-time monitoring and comprehensive descision；
Described health control specialist system is used for storing management data；
Described healthy task execution module is for the process of fault, recovery, the transmission of health and fitness information, it is achieved Star Service management is main
The interpolation of machine function and task is with perfect；
Described health control performs module and connects described subsystem level health control module, described health control expert respectively
System and described healthy task execution module.
Preferably, described healthy task execution module include discretionary security protection task module, the most program control task module,
State acquisition and transformation task module and in-orbit reconstruction task module, wherein,
Described discretionary security protection task module is for using satellite important parameter information as initial conditions, according to call
Expert system knowledge makes inferences, and recalls fault handling method and carry out troubleshooting from the failure handling data storehouse of self
The most program control described task module is used for carrying out payload task the functional module of contexture by self execution, according to
Payload task start mark automatic effective operation load, is alternatively arranged as other task modules in addition to completing payload task
Carry out the executive means of troubleshooting and health control, can automatically activate execution by moment or a certain event etc. on star；
Described state acquisition and transformation task module, for obtaining the important means of satellite health information, have controllable telrmetry
Transfer function, by calling expertise and passing telemetry intelligence (TELINT) according to satellite health status under Row sum-equal matrix；
The described module of reconstruction task in-orbit is for independently judging execution opportunity, to hardware reconstruction certainly by calling management rule
Row sends restructuring directive, runs software reconfiguration from line activating attachment of a task module, and by with Star Service management host software about
Determine software operation interface, it is achieved to Star Service management host function and the interpolation of task with perfect,
Described health control performs module and connects described discretionary security protection task module, the most program control described task respectively
Module, described state acquisition and transformation task module and described reconstruction task module in-orbit.
Preferably, subsystem level health control module mainly includes that appearance control subsystem health control module and power supply divide and is
System health control module, the health management system arranged connection of described whole star described appearance control subsystem health control module and described electricity
Source subsystem health control module.
Preferably, described appearance control subsystem health control module connects multiple component-level appearance control health control unit, described
Component-level appearance control health control unit includes acceleration transducer health control unit and slant angle sensor health control list
Unit.
Preferably, described appearance control subsystem health control module connects multiple component-level power supply health control unit, described
Component-level power supply health control unit includes accumulator health control unit and solaode health control unit.
The micro-nano satellite Star Service that the present invention provides is health management system arranged, by by different level, distributed management framework, and lead to
Cross Bayesian network model and assess described micro-nano satellite health status, it is possible to effectively carry out combined failure diagnosis, it is achieved that defend
The autonomous management function of star, improves the autonomous diagnosis of satellite, autonomous operation ability, thus extend satellite service life,
Improve safe operation ability.
Accompanying drawing explanation
A kind of detailed description of the invention according to the present invention shown in Fig. 1, a kind of micro-nano based on Ye Beisi network model
The layer architecture figure that satellite Star Service is health management system arranged；
Shown in Fig. 2 according to the first embodiment of the present invention, a kind of micro-nano satellite star based on Ye Beisi network model
It is engaged in health management system arranged composition diagram；
Shown in Fig. 3 according to the second embodiment of the present invention, a kind of micro-nano satellite star based on Ye Beisi network model
It is engaged in health management system arranged whole star health control distributed structure/architecture figure；And
Shown in Fig. 4 according to the third embodiment of the invention, a kind of micro-nano satellite star based on Ye Beisi network model
It is engaged in health management system arranged layer architecture figure.
Detailed description of the invention
In order to preferably make technical scheme show clearly, below in conjunction with the accompanying drawings the present invention is made into one
Step explanation.
It will be appreciated by those skilled in the art that it is an object of the invention to provide one by different level, distributed health management system arranged
Framework, builds micro-nano satellite the most health management system arranged based on House keeping system.Specifically, described micro-nano satellite Star Service
The health management system arranged mode combined by software and hardware, utilize pico computer as parts, can by use embedded skill
Art and field bus technique, the network building the health management system arranged control centre of described micro-nano satellite Star Service and performance element divides
Cloth system, it is achieved described micro-nano satellite is diagnosed to the Intelligent fault of overall multilevel hierarchy time and healthy pipe from local
Reason.
Specifically, Fig. 1 shows a kind of detailed description of the invention according to the present invention, a kind of based on Ye Beisi network model
Micro-nano satellite Star Service health management system arranged layer architecture figure, described micro-nano satellite Star Service health management system arranged for realize to institute
State healthy independently the monitoring, diagnose and manage of micro-nano satellite Star Service.As it is shown in figure 1, described micro-nano satellite Star Service health control system
System includes that whole star is health management system arranged, subsystem level health control module and component-level three levels of health control unit
Framework.It will be appreciated by those skilled in the art that described whole star is health management system arranged, subsystem level health control module and component-level
Health control unit is that business health is managed to described micro-nano satellite from entirety to local respectively, it is achieved whole star Multistage Control,
Complicated Star Service management and control task are distributed to each subsystem, and each subsystem is further subdivided into corresponding parts
Level health control unit completes a series of task parallel, safeguards the normal operation of described micro-nano satellite.
More specifically, the health management system arranged health evaluating for completing whole star electronic system of described whole star and therefore
Barrier recovers.It will be appreciated by those skilled in the art that described whole star is health management system arranged to be controlled by center system management and control device, tool
Body ground, the tentative diagnosis findings data inputted from each subsystem is carried out global decisions by described center system management and control device
By bus, the order of global decisions and United Dispatching is transferred to described subsystem again with United Dispatching complete, art technology
Personnel can install integrated corresponding management by bus in computer systems and control the circuit board of function.Specifically, according to
In one change case of detailed description of the invention shown in Fig. 1, described whole star is health management system arranged at least includes that health control performs
Module, health control specialist system and healthy task execution module.More specifically, will be in conjunction with Fig. 2 and concrete reality described later
Execute example to be described further, do not repeat them here.Meanwhile, those skilled in the art are it is also appreciated that described micro-nano satellite has precision
Complicated system structure, it is possible to realizing complicated function, described whole star is health management system arranged can be according to described micro-nano satellite
The module of complexity other functions the most integrated of 26S Proteasome Structure and Function is to realize increasingly complex health management function.
Further, described subsystem level health control module is used for each subsystem is monitored, diagnoses and is assessed, structure
Become relatively independent subsystem level diagnostic assessment module, it will be appreciated by those skilled in the art that described each subsystem health control module
Each subsystem of corresponding described micro-nano satellite respectively, specifically, described subsystem health control module is made up of microcomputer,
The health control functions of modules of subsystem corresponding in described micro-nano satellite is integrated in unified cpu chip and by corresponding control
Circuit processed and component-level health control unit communication in each subsystem are also controlled.Thus be arranged on described point by control and be
Component-level health control unit in system, corresponding with assessing described micro-nano satellite divides the detection data analysis of acquisition thus diagnosis
The operation conditions of system, and give described whole star health management system arranged by bus transfer described analysis result.Specifically, institute
State subsystem level health control module and can include that thermal control subsystem health control module, described thermal control health control module are used for
Assess described micro-nano satellite health status of heat transmission function in space runs；Data transmission subsystem health control module, described number
Pass health control module to be used for assessing described micro-nano satellite data to transmit the parameters such as such as communications band the most normal；Appearance control divides
System health control module, described appearance control subsystem health control module is used for assessing controlling party in described micro-nano satellite posture control system
The parameters such as formula, certainty of measurement, pointing accuracy, attitude stability, maneuvering range, adjustment speed are the most normal；Power subsystem is good for
Kang Guanli module, for assessing the accumulator of described micro-nano satellite or the health status of solaode；Hyperspectral imager divides
System health management module, imaging mode, spatial resolution, fabric width, wavelength when being used for assessing the work of described hyperspectral imager
The index such as scope, compression ratio is the most normal.
Further, described component-level health control unit is at the data detecting parts or sensor
Reason and transmission, specifically, all parts, equipment at described micro-nano satellite are provided with sensor or state acquisition point, described biography
Sensor or state acquisition point respectively with corresponding component and component-level health control unit communication, the shape that will collect from described parts
State information is transferred to described component-level health control unit, at the described data message that described health control unit will obtain
Described subsystem level health control module it is transferred to further after reason.
Further, the information exchange of described whole star, subsystem level and three aspects of component-level is defended by unified
Star bus network and data protocol are transmitted, and are finally made global decisions by whole star health control layer.Specifically, body field
Artisans understand that, the multiple described subsystem level health control module of the described health management system arranged connection of whole star, multiple described
Subsystem level is health management system arranged passes through bus communication with described whole star is health management system arranged；Each described subsystem level is good for
Kang Guanli module connects multiple described component-level health control unit, and multiple described component-level health control modules with described point are
The health management system arranged communication of irrespective of size.In such embodiments, formed one by whole star health management system arranged comprise multiple in
Put the topological micro-nano satellite health control network of the health management system arranged composition of subsystem level of multiple component-level health control module
Framework.More specifically, the health management system arranged number of described subsystem can be 2,3,4 or more than 4, wherein,
The number of the component-level health control module during each described subsystem level is health management system arranged can be 2,3,4 or
More than 4.It will be appreciated by those skilled in the art that multiple described subsystem level is health management system arranged and manage described micro-nano satellite respectively
The running status of different subsystems.The data of the corresponding described micro-nano satellite difference parts of multiple described component-level health control modules
Gather and transmission.Specifically, those skilled in the art are referred to Fig. 4 and embodiment realizes above-mentioned purpose, the most superfluous at this
State.
Specifically, being managed described micro-nano satellite health status by Bayesian network model, first, foundation is used for
The Bayesian network of assessment satellite health status.Wherein, whole starlike state is the child node of Bayesian network, and its father node is on star
Subsystem, the father node of subsystem is sensor unit or unit.Further, by collecting historical data to this net
Network is trained, and obtains the probability distribution graph of this network；Further, finely tuning Bayesian network parameters, utilization designs
The parameter of Bayesian network is finely adjusted by preferable input/output argument, the worst input/output argument, more specifically, and will be in conjunction with
Fig. 2 and embodiment are described in more detail, and do not repeat them here.
Specifically, those skilled in the art are when being managed described micro-nano satellite Star Service health status, by institute
State whole star subsystem health management system arranged, described level health control module and the health of described component-level health control unit
State quantifies, and uses the health status of the numerical range above-mentioned micro-nano satellite of the numerical representation method between 0-1.Specifically, use
Numerical value 0 represents complete health, and 1 represents this system complete failure, further, when numerical value represents in various degree between 0～1
Fault, described numerical value is the biggest, represents that the degree producing fault is the highest.Thus, subsystem health management system arranged in described whole star
In level health control module and three grades of health control levels of component-level health control unit, by the fault of subordinate's subsystem to upper
The probability of the situation that affects of level system its impact of numerical representation method by quantifying, numerical value is the biggest, and probability is the biggest, represents that impact is more
Greatly.Further, each described component-level health control unit is made to use general on the impact of described subsystem level health control module
The threshold interval that rate represents is between 0.2～0.8；Each described subsystem level health control module is to described whole star health pipe
The threshold interval that the impact probability of reason system represents is between 0.3～0.7.It will be appreciated by those skilled in the art that when described parts
Level health control unit is to described subsystem level health control module, and described subsystem level health control module is to described whole star
When health management system arranged impact is the biggest, the setting of its corresponding threshold value is the least, otherwise the biggest.When actual influence probability is more than
During described threshold value, then take further measures and health management system arranged be managed described.
Further, set the computing formula of the health management system arranged health status of described whole star as:
Wherein, S represents the health status index that whole star is health management system arranged, and b represents component-level health control unit
Health status index, P (f) represents the probability index that subsystem level health control module is affected by component-level health control unit, P
C () represents the subsystem level health control module probability index on the described health management system arranged impact of whole star, n1 represents the
The quantity of component-level health control unit in one subsystem level health control module, n2 represents healthy second subsystem level
The quantity of component-level health control unit in management module, nn represents component-level in the n-th subsystem level health control module
The quantity of health control unit, x represents the number in the health management system arranged middle subsystem level health control module of whole star.
Specifically, Fig. 2 shows according to the first embodiment of the present invention, a kind of micro-nano based on Ye Beisi network model
The satellite Star Service health management system arranged composition diagram of health management system arranged whole star, in such embodiments, described whole star is healthy
Management system includes that health control performs module, health control specialist system and healthy task execution module.Described health control
Perform module, described health control specialist system and described healthy task execution module and perform different functions, phase interworking respectively
Close, it is achieved global decisions that described whole star is health management system arranged and United Dispatching.Specifically, in described health control performs module
It is embedded on the described health management system arranged main frame of micro-nano satellite Star Service, as the control centre of micro-nano satellite Star Service health control.Institute
State health control and perform the module collection for satellite each subsystem health data, and realize the control to each subsystem, ability
Field technique personnel understand, it is highly integrated and functionalization computer on hardware that described health control performs module, described strong
Kang Guanli performs that module is health management system arranged with described subsystem is connected by bus and communicates, as in figure 2 it is shown, described subsystem
Health management system arranged described health control execution module that the described health data transmitting obtained is given, described health control execution mould
The data of acquisition are analyzed and send control instruction by block, are transferred to described subsystem by bus communication health management system arranged
Perform.Further, described health control performs module and controls to run described healthy task execution module simultaneously, specifically,
In one preferred embodiment, described health control performs module and is integrated in same collection with described healthy task execution module
Becoming Circuits System and connect communication, described health control performs module and tasks carrying control instruction is transferred to described healthy task
Performing module, described healthy task execution module receives described task-performance instructions and performs.Further, described health control
Perform module and also from described health control specialist system, call managerial knowledge, the health status of satellite is carried out real-time monitoring
And comprehensive descision.
Specifically, it will be appreciated by those skilled in the art that described health control specialist system for storing management data, described number
According to being stored in described health control specialist system by internal memory, floppy disk or other storage devices, described management packet
Include the state of health data of described satellite and corresponding process information.More specifically, described health control specialist system is embedded
And perform module with described health control on the health management system arranged main frame of described micro-nano satellite be connected by circuit and communicate.Institute
State health control perform module by sending the request instruction calling managerial knowledge to described health control specialist system, described be good for
Health managerial expert's system receives the instruction of managerial knowledge described in described request call and described managerial knowledge is fed back according to instruction
Performing module to described health control, described health control performs module and defends described micro-nano according to the managerial knowledge of feedback acquisition
The health status of star carries out real-time monitoring and comprehensive descision.In one preferably change case, described health control expert is
System is designed to computer software, by code form, micro-nano satellite health control mode and strategy preservation is cured to computer
Logical block, called when each health control tasks carrying.
Further, described health control specialist system builds based on Bayesian network model, specifically, in network
Each node represents a module (subsystem or unit) in described health control specialist system, such as, each subsystem
Modules in level health control module, the unit in described component-level health control unit, do not repeat them here.Enter
One step ground, uses scope probit between [0,1] to represent the subsystem health control module or portion that each node is corresponding
The health status of part level health control unit, wherein, 0 represents the most healthy, and 1 represents complete failure, represents difference between (0,1)
The fault of degree, numerical value is the biggest, then it represents that the impact of higher level's subsystem is existed by fault the most serious subordinate subsystem equally by scope
The size of the numeric representation impact between [0,1], numerical value is the biggest represents that impact is the biggest.Further, described network respectively saves
The initial value of point, obtains through specimen sample on a large scale and according to expertise statistics.Thus from described component-level health control
It is health management system arranged that unit arrives whole star again to described subsystem level health control module, sets up Bayesian network bottom-uply
Model.Thus extrapolate people's will unit failure and whole system is affected and optimize the effect of health control.
Specifically, described health control performs module and is also connected with described healthy task execution module, described health control
Perform module basis further and the health status of described micro-nano satellite is carried out the result of real-time monitoring and comprehensive descision to institute
Stating healthy task execution module and send control instruction, described control instruction controls described healthy task execution module to described micro-nano
The carrying out of the fault of satellite processes, recovers normal operating condition, if described micro-nano satellite recovers to run well, and described healthy task
Perform module and then perform health and fitness information described in module transfer to described health control, realize described Star Service health control master further
The interpolation of machine function and task is with perfect.Specifically, will be described in more detail in conjunction with Fig. 3 and embodiment, refuse at this
Repeat.
Fig. 3 shows according to the second embodiment of the present invention, a kind of micro-nano satellite star based on Ye Beisi network model
It is engaged in health management system arranged whole star health control distributed structure/architecture figure, in such embodiments, described healthy tasks carrying mould
Block includes discretionary security protection task module, the most program control task module, state acquisition and transformation task module and reconstructs in-orbit
Task module.Such as Fig. 3 institute, described health control performs module, described state acquisition and transformation task module, discretionary security protection
Task module, the most program control task module are sequentially connected with and pass through one-way communication and form a closed circuit, described health control
Perform module and control instruction is sent to described discretionary security protection task from described state acquisition and transformation task module successively
Module is resent to the most program control described task module, and execution result is fed back to described strong by described the most program control task module again
Kang Guanli performs module.
Specifically, described discretionary security protection task module is for using satellite important parameter information as initial conditions, institute
The state acquisition that enters through stating satellite important parameter information is given with transformation task module, knows further according to the specialist system called
Knowledge makes inferences, and recalls fault handling method and carry out event by the most program control task module from the failure handling data storehouse of self
Barrier processes；The most program control described task module is used for carrying out payload task the functional module of contexture by self execution, according to
Payload task start mark automatic effective operation load, is alternatively arranged as other task modules in addition to completing payload task
Carry out the executive means of troubleshooting and health control, can automatically activate execution by moment or a certain event etc. on star；Described
State acquisition and transformation task module, for obtaining the important means of satellite health information, have controllable telrmetry transfer function, logical
Cross and call expertise and under Row sum-equal matrix, pass telemetry intelligence (TELINT) according to satellite health status.
Further, as it is shown on figure 3, described health control specialist system, the described module of reconstruction task in-orbit, described phase
Being connected with each other program control task module, the described module of reconstruction task in-orbit is by calling management from described health control specialist system
Rule independently judges execution opportunity, to hardware reconstruction voluntarily to the most program control described task module transmission restructuring directive, to software
Reconstruct and run from line activating attachment of a task module, and by operating interface with Star Service management host software agreement software, it is achieved right
The interpolation of Star Service management host function and task is with perfect.Further, the most program control described task module and described healthy pipe
Reason specialist system connects and communicates, and described health control performs module and calls pipe by sending to described health control specialist system
The request instruction of reason knowledge, described health control specialist system receives instruction the basis of managerial knowledge described in described request call
Described managerial knowledge is transmitted directly to the most program control described task module and performs by instruction.
Specifically, it will be appreciated by those skilled in the art that the failure handling data of described discretionary security protection task module self
Storehouse, including fault mode data base and fault handling method storehouse, wherein, described fault mode data base comprises each crucial system of satellite
System fault mode criterion, the described fault mode criterion form of expression based on fault determine produce fault mechanism, thus
In described fault mode data base, specific aim calls the judging rules processing corresponding failure problems；Described fault handling method stock
Contain the instruction module needing to perform under above-mentioned fault mode, by instruction module, corresponding fault mode is processed, enter
One step ground, described fault mode data base is associated with described fault handling method storehouse, and specifically, those skilled in the art manage
Solve, described fault mode data base and described fault handling method storehouse can be associated by the way of address pointer.Specifically, institute
Stating discretionary security protects task module when carrying out fault diagnosis, first obtains described micro-nano satellite from star online CAN
Running state data, and from described fault mode data base, call breakdown judge rule, by IF THEN logical course, i.e.
Without breaking down, the most directly jump into the next item down fault diagnosis, the most i.e. proceed to fault handling method by ELSE logic
Storehouse, carries out corresponding troubleshooting.
Specifically, the most program control described task module is made up of relative time program control command, by the form of packet to phase
Being designed time program control command, each group of instruction, corresponding to a kind of satellite operation pattern, writes health control module in advance
The most program control buffer area.Further, the most program control task can be worked out the relative time program control command group of difference in functionality,
By moment, anomalous event, payload task dispatching on star from line activating, when completing satellite Autonomous school, Autonomous fault process, have
The various difference in functionalitys such as the automatic execution of effect load task, it is achieved the control to described micro-nano satellite operational process.This area skill
Art personnel understand, by the most program control described task execution module according to performing instruction, it is possible to independently start, perform and terminate
The process of the most program control described assignment instructions.
Specifically, described state acquisition can gather described micro-nano satellite running status with automatic telemetering with transformation task module
Parameters, it is achieved the real-time monitoring to component-level, subsystem level and whole star health status.Further, described shape
The health data transmitting collected also is performed corresponding to discretionary security protection task module with transformation task module by state collection
Function.It will be appreciated by those skilled in the art that described state acquisition and transformation task module can save channel resource, simplify ground prison
The control personnel interpretation to telemetry.
Specifically, described reconstruction task in-orbit includes closing task and the equipment jeopardizing satellite existence, and other are different
The attachment of a task module of function.More specifically, the described module of reconstruction task in-orbit is written into task memory block, described running
Independently close or activate the corresponding task of operation and equipment according to described micro-nano satellite running status during reconstruction task in-orbit.Enter one
Step ground, it will be appreciated by those skilled in the art that described in in-orbit reconstruction task can perform with ancillary terrestrial Artificial Control.
Further, in a change case of embodiment illustrated in fig. 3, described health control performs module and described health
In task execution module described discretionary security protection task module, the most program control described task module, described state acquisition with
Transformation task module and the described module of reconstruction task in-orbit connect respectively, thus directly protect task mould with described discretionary security
Block, the most program control described task module, described state acquisition enter with transformation task module and the described module of reconstruction task in-orbit
Row communication also controls.
Further, according to the third embodiment of the invention Fig. 4 shows, a kind of based on Ye Beisi network model
Micro-nano satellite Star Service health management system arranged layer architecture figure.In such embodiments, described subsystem level health control module
Including appearance control subsystem health control module and power subsystem health control module, the described health management system arranged company of whole star
Connect described appearance control subsystem health control module and described power subsystem health control module.Those skilled in the art manage
Solving, described appearance control subsystem health control module is described micro-for being managed the operational factor of described micro-nano satellite adjusting
The operation attitude of Nano satellite.Specifically, run track, the speed of service and operation orientation by the described micro-nano satellite of adjustment to change
It runs attitude, and and then realizes different functions；Described power subsystem health control module is for described micro-nano satellite
Power supply health status be managed, specifically, by manage the accumulator carried on described micro-nano satellite star charging voltage,
The situations such as electric current, whether electric leakage process.It will be appreciated by those skilled in the art that in other change case of embodiment illustrated in fig. 4,
Described subsystem level health control module also includes the health control module of other functions, does not repeats them here.
Specifically, described appearance control subsystem health control module connects multiple component-level appearance control health control unit, described
Component-level appearance control health control unit includes acceleration transducer health control unit and slant angle sensor health control list
Unit.Specifically, described acceleration transducer health control unit obtains described micro-nano satellite fortune by described acceleration transducer
Described acceleration parameter is also transferred to described appearance control health control unit and passes through further by acceleration parameter during row
Bus transfer corresponding data parameters is sent to described whole star health management system arranged in state acquisition and transformation task mould
Block；Described slant angle sensor health control unit is obtained in described micro-nano satellite running by described slant angle sensor
Inclination angle parameter and described inclination angle parameter is transferred to described appearance control health control unit and passes through bus transfer further
Corresponding data parameters is sent to described whole star health management system arranged in state acquisition and transformation task module and carry out
Corresponding operation.
Further, described power subsystem health control module connects multiple component-level power supply health control unit, institute
State component-level power supply health control unit and include accumulator health control unit and solaode health control unit.Specifically
Ground, described accumulator health control unit for managing the health status of described accumulator, such as charging voltage, whether electric leakage etc.
The parameter of detection is also sent to described whole star health by described power subsystem level health control module by situation further
In management system, corresponding task module processes, specifically, and can be the most superfluous at this in conjunction with above-mentioned embodiment illustrated in fig. 3
State；Described solaode health control unit is for managing the health status of described solaode, to described solar-electricity
The battery performance parameter in pond carries out detecting and being sent to described whole by described power subsystem level health control module further
During star is health management system arranged, corresponding task module processes, specifically, can in conjunction with above-mentioned embodiment illustrated in fig. 3,
It will not go into details for this.
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformation or amendment within the scope of the claims, this not shadow
Ring the flesh and blood of the present invention.
Claims (9)
1. a micro-nano satellite Star Service based on Ye Beisi network model is health management system arranged, it is characterised in that include whole star
Health management system arranged, subsystem level health control module, component-level health control unit, wherein,
The health management system arranged health evaluating for completing whole star electronic system of described whole star and fault recovery；
Described subsystem level health control module, for each subsystem is monitored, diagnoses and is assessed, constitutes relatively independent
Subsystem level diagnostic assessment module；
Described component-level health control unit for parts or sensor acquisition to data process and transmit；
The multiple described subsystem level health control module of the described health management system arranged connection of whole star, described subsystem level health pipe
Reason module connects multiple described component-level health control unit；
Wherein, described whole star subsystem health management system arranged, described level health control module and described component-level health pipe
The health status of reason unit is between 0～1；
Wherein, 0 represents the most healthy, and 1 represents this system complete failure, represents fault in various degree between 0～1.
Management system the most according to claim 1, it is characterised in that each described component-level health control unit is to described
The threshold interval that the impact probability of subsystem level health control module represents is between 0.2～0.8.
Management system the most according to claim 1 and 2, it is characterised in that each described subsystem level health control module
The threshold interval representing the impact probability that described whole star is health management system arranged is between 0.3～0.7.
Management system the most according to claim 3, it is characterised in that the health status that described whole star is health management system arranged
Computing formula be:
Wherein, S represents the health status index that whole star is health management system arranged, and b represents the health of component-level health control unit
State indices, P (f) represents the probability index that subsystem level health control module is affected by component-level health control unit, P (c)
Representing the subsystem level health control module probability index on the described health management system arranged impact of whole star, n1 represents at first
The quantity of component-level health control unit in subsystem level health control module, n2 represents second subsystem level health control
The quantity of component-level health control unit in module, nn represents that component-level is healthy in the n-th subsystem level health control module
The quantity of administrative unit, x represents the number in the health management system arranged middle subsystem level health control module of whole star.
Management system the most according to any one of claim 1 to 4, it is characterised in that described whole star health control system
Unite and include health control execution module, health control specialist system and healthy task execution module, wherein,
Described health control performs the module collection for satellite each subsystem health data, and realizes the control to each subsystem
System, controls to run described healthy task execution module simultaneously, calls managerial knowledge, to defending from described health control specialist system
The health status of star carries out real-time monitoring and comprehensive descision；
Described health control specialist system is used for storing management data；
Described healthy task execution module is for the process of fault, recovery, the transmission of health and fitness information, it is achieved Star Service management main frame merit
Can be with the interpolation of task with perfect；
Described health control performs module and connects described subsystem level health control module, described health control specialist system respectively
And described healthy task execution module.
Management system the most according to claim 5, it is characterised in that described healthy task execution module includes discretionary security
Protection task module, the most program control task module, state acquisition and transformation task module and in-orbit reconstruction task module, wherein,
Described discretionary security protection task module is for using satellite important parameter information as initial conditions, according to the expert called
Systematic knowledge makes inferences, and recalls fault handling method and carry out troubleshooting from the failure handling data storehouse of self；
The most program control described task module for carrying out the functional module of contexture by self execution to payload task, according to effectively
Load task active flag automatic effective operation load, is alternatively arranged as other task modules in addition to completing payload task and carries out
Troubleshooting and the executive means of health control, can activate execution automatically by moment or a certain event etc. on star；
Described state acquisition and transformation task module, for obtaining the important means of satellite health information, have controllable telrmetry transmission
Function, by calling expertise and passing telemetry intelligence (TELINT) according to satellite health status under Row sum-equal matrix；
The described module of reconstruction task in-orbit is for independently judging execution opportunity, to send out hardware reconstruction voluntarily by calling management rule
Send restructuring directive, software reconfiguration is run from line activating attachment of a task module, and by soft with Star Service management host software agreement
Part operation interface, it is achieved Star Service is managed the interpolation of host function and task with perfect.
Described health control performs module and connects described discretionary security protection task module, the most program control described task mould respectively
Block, described state acquisition and transformation task module and described reconstruction task module in-orbit.
Management system the most according to any one of claim 1 to 6, it is characterised in that subsystem level health control module
Mainly include appearance control subsystem health control module and power subsystem health control module, described whole star health control system
System connects described appearance control subsystem health control module and described power subsystem health control module.
Management system the most according to claim 7, it is characterised in that described appearance control subsystem health control module connects many
Individual component-level appearance control health control unit, described component-level appearance control health control unit includes acceleration transducer health control list
Unit and slant angle sensor health control unit.
Management system the most according to claim 8, it is characterised in that described power subsystem health control module connects many
Individual component-level power supply health control unit, described component-level power supply health control unit include accumulator health control unit and
Solaode health control unit.
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