CN113505949A - Task milestone-based spacecraft part permission allocation method - Google Patents

Task milestone-based spacecraft part permission allocation method Download PDF

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CN113505949A
CN113505949A CN202110329848.9A CN202110329848A CN113505949A CN 113505949 A CN113505949 A CN 113505949A CN 202110329848 A CN202110329848 A CN 202110329848A CN 113505949 A CN113505949 A CN 113505949A
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task
milestone
operator
authority
tasks
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CN113505949B (en
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王昊
冯渭春
梁书立
刘宇
王哲曹瑞
丁勇飞
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China Aeronautical Radio Electronics Research Institute
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
    • G06F21/6281—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database at program execution time, where the protection is within the operating system
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063—Operations research, analysis or management
    • G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
    • G06Q10/06311—Scheduling, planning or task assignment for a person or group
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/10—Office automation; Time management
    • G06Q10/103—Workflow collaboration or project management
    • G06Q50/40—
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2141—Access rights, e.g. capability lists, access control lists, access tables, access matrices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2149—Restricted operating environment

Abstract

The embodiment of the invention discloses a method for distributing authority of a spacecraft part based on task milestones, which comprises the following steps: before executing tasks, various tasks are obtained by decomposing complex tasks of the space vehicle, an operator-task allocation table and a task-milestone table are established, and a milestone-part authority table is established for each task according to parts necessary for completing each task; during the process of executing tasks, the milestone states of the tasks are monitored in real time, and the task-milestone meter is maintained to indicate the milestone state reached by each task, so that the corresponding part authority started when each operator executes the distributed task and reaches different milestones is calculated in real time according to the operator-task distribution meter, the task-milestone meter and the milestone-part authority meter. The technical scheme provided by the embodiment of the invention solves the problem of how to assign the authority to different components in the complex task of the spacecraft in the process of cooperatively executing the task by two persons.

Description

Task milestone-based spacecraft part permission allocation method
Technical Field
The application relates to the technical field of space vehicles, in particular to a task milestone-based space vehicle part permission allocation method.
Background
With the continuous development of aerospace technology in China, the complexity of tasks and systems required to be executed by a spacecraft is higher and higher, besides simple actions such as track transformation, attitude adjustment and the like, the requirements for space emergency rescue, equipment maintenance and the like based on a mechanical arm are gradually strong, the execution of complex tasks cannot be met by a simple single person through a control mode of computer instructions, and the operation is required to be carried out by an operating device which accords with ergonomics through double-person cooperative labor division.
The aircraft is complex in composition and extremely high in safety requirement when being positioned in outer space, and how to automatically allocate the authorities to different parts in different task stages in the process of cooperatively executing tasks by two persons is a problem which needs to be solved at present.
Disclosure of Invention
The technical problem of the embodiment of the invention is as follows: in order to solve the technical problem, the embodiment of the invention provides a method for distributing authority of a spacecraft part based on a task milestone, and solves the problem of how to distribute authority of different parts in complex tasks of the spacecraft in the process of cooperatively executing the tasks by two persons.
The technical scheme of the embodiment of the invention is as follows: the embodiment of the invention provides a task milestone-based spacecraft part permission allocation method, which comprises the following steps:
step 1, before executing tasks, establishing an operator-task allocation table and a task-milestone table according to an operator configuration level table and various tasks obtained by decomposing complex tasks of a space vehicle, and establishing a milestone-component authority table for each task according to components necessary for completing each task;
step 2, in the starting stage of executing tasks, according to the operator configuration grade table and the operator-task allocation table, the authority management unit allocates the grade of the operator, allocates the task required to be executed by each operator, and allocates corresponding component authority to the task executed by the operator;
and 3, in the process of executing the tasks, the authority management unit monitors the milestone states of the tasks in real time and maintains the task-milestone meter to indicate the milestone state reached by each task, so that the corresponding part authority started when each operator executes the distributed tasks to reach different milestones is calculated in real time according to the operator-task distribution meter, the task-milestone meter and the milestone-part authority meter.
Optionally, in the method for assigning authority of a spacecraft component based on mission milestones as described above, the step 1 includes:
step 11, decomposing the complex tasks of the space vehicle to obtain a task list, and establishing a task table according to each task in the task list;
step 12, establishing a task-milestone list for each task in the task list established in the step 11, and definitely executing each milestone experienced by each task;
step 13, establishing a task-component table according to components necessary for completing each task, wherein the task-component table comprises necessary components adopted for executing each task in the task list;
step 14, distributing each task in the task table to at least one operator executing the task according to the operator configuration level table and the task table in step 11, and establishing an operator-task distribution table, where the operator configuration level table is an operator name list and a level for executing the complex task, and the level is: a primary operator and at least one secondary operator;
and step 15, according to the milestones in the execution process of each task and the task-part authority table, making a milestone-part authority table for each task, wherein each milestone-part authority table is used for indicating the starting state of the corresponding part authority after each milestone of the task is reached.
OptionallyIn the method for assigning authority of spacecraft parts based on mission milestones as described above, the mission table TIThe method comprises the following steps: task 1, …, task I, …, task I; the task-part table QIJThe system comprises I tasks and J components necessary for executing the tasks;
wherein Q isijIndicating whether the component j, Q is required to execute task iij1 indicates that the component j, Q is required to execute the task iijWhen 0, it means that the execution task i is completed without requiring the component j.
Optionally, in the task milestone-based spacecraft parts right assignment method as described above, the task-milestone meter MIKIncluding I tasks and K milestones that the tasks have;
wherein M isikIndicating whether task i has reached milestone k, Mik1 indicates that task n has reached milestone k, MikWhen 0, it means that task i has not reached the milestone.
Optionally, in the task milestone-based spacecraft parts right assignment method as described above, the operator-task assignment table PNIN operators and I tasks distributed to the operators are included;
wherein, PniIndicating whether operator n has assigned task i, Pni1 indicates that operator n has assigned task i, Pni0 indicates that operator n has not assigned task i.
Optionally, in the mission milestone-based spacecraft parts right assignment method as described above, the milestone-parts right table VKJThe method comprises K milestones aiming at a specified task and corresponding part authorities, wherein the part authorities comprise state inquiry authorities, control authorities and management authorities of parts, and VkjA, B, C, D, corresponding to different levels of component rights;
wherein, the VkjWhen a, it means that the component has no authority;
the V iskjWhen B, the component only has status query authority;
the V iskjWhen being C, representsThe component has a state inquiry authority and a control authority;
the V iskjWhen D, the representation component has status query, control, and management rights.
Optionally, in the method for assigning spacecraft part right based on mission milestones as described above, the operator-mission assignment table is used for indicating the mission assignment situation of the operator performing the complex mission, the mission milestone table is used for indicating the milestone possessed by each mission, and the milestone-part right table is used for indicating the part right possessed by the mission after reaching different milestones.
Optionally, in the method for assigning authority to a spacecraft based on mission milestones as described above, the step 2 is further performed by an operator to perform task preparation, including:
all operators in the operator configuration level table log in seats, the operator configuration level table and the operator-task allocation table are read, the operator levels and tasks allocated to each operator are confirmed, part rights corresponding to the tasks to be executed by the operators and allocated by the right management unit are received, and each task forms an initialized task milestone.
Optionally, in the method for assigning authority of a spacecraft component based on mission milestones as described above, the step 3 includes:
step 31, in the process of executing the tasks, the authority management unit monitors the milestone state of each operator executing each task in real time according to the operator-task allocation table and the task-milestone table;
step 32, when the authority management unit detects that the milestone of the operator n for executing the task i changes, the milestone state in the task-milestone meter is maintained;
in step 33, the authority management unit queries the milestone-component authority table according to the state change of the milestone, so as to modify the component authority of the operator n executing the task i according to the milestone k reached by the task i.
Optionally, in the method for assigning authority to a spacecraft component based on mission milestones as described above, the method further includes:
step 34, after each task completes all of its milestones, the rights management unit sends a task end instruction to the operator who completed the task, instructing the operator to end the task.
The embodiment of the invention has the beneficial effects that: the embodiment of the invention provides a spacecraft part authority distribution method based on task milestones, which is characterized in that a corresponding relation between an operator and a task and between the operator and the task milestone is formed by establishing a task list, a task-milestone list and a task-part list related to the task, an operator-task distribution list related to the operator level and a milestone-part authority list aiming at each task, so that the corresponding part authority is distributed to the operator according to the part authority corresponding to the milestone which is reached by a certain operator to execute a certain task, and the corresponding relation between the operator and the task-milestone-part authority is formed. By adopting the method provided by the embodiment of the invention, the requirement of complex task execution of the space aircraft in remote space is met, and multiple operators can realize the cooperative and ordered control of different parts on the aircraft by the method provided by the embodiment of the invention, and meanwhile, the completeness and the safety of task execution are ensured. The technical scheme provided by the embodiment of the invention has the following beneficial effects:
(1) only one main operator exists at any stage of the task, so that potential conflict or confusion caused by simultaneous management of multiple persons on the system or the operators can be avoided, single command of all the persons is realized, and the task execution efficiency is improved;
(2) multiple operators work simultaneously to exert the cooperative advantage, complete complex tasks which can not be executed by a single operator, shorten the task execution time and improve the task completion quality;
(3) in the face of multiple secondary operators, a main operator only needs to manage the authority management unit and does not need to directly communicate with the multiple secondary operators at the same time, and the phenomenon that the authority distribution of the components is unclear or wrong under the condition of multi-task cooperation can be avoided.
(4) The management authority of the authority management unit is not directly managed, and the authority management unit can be started, modified or managed to modify a task plan and adjust the task distributed by the secondary operator and the authority of different parts under the temporary condition.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a flow chart of a task milestone-based spacecraft parts right assignment method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of interaction among operators, tasks, components, component permissions, and milestones in an embodiment of the invention;
FIG. 3 is a flow chart of another mission milestone-based spacecraft parts right assignment methodology in accordance with an embodiment of the present invention;
fig. 4 is a flowchart of a task milestone-based spacecraft part right assignment method according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The steps illustrated in the flow charts of the figures may be performed in a computer system such as a set of computer-executable instructions. Also, while a logical order is shown in the flow diagrams, in some cases, the steps shown or described may be performed in an order different than here.
The spacecraft is located in a remote outer space, the component composition and the cross-linking relation of a spacecraft system are extremely complex, and the permission distribution of component control permission and state information acquisition permission is particularly important. In the embodiment of the invention, the authority distribution logic design of different parts of the aircraft, which is required by operators with different responsibilities in different task stages, is taken as a core, so that the specific information and part control authority required by the operators to complete specific tasks are met, and the situation that excessive authority is opened for the operators, so that the conflict of double control instructions for the same part is avoided, or the state of parts irrelevant to the tasks is changed by mistake, so that unpredictable risks are caused.
The method aims at the problem of how to distribute the authority to different components in the complex task of the spacecraft in the process of cooperatively executing the task by the existing double persons. The embodiment of the invention provides a spacecraft part authority distribution method based on task milestones, and the technical scheme of the embodiment of the invention formulates automatic distribution measurement of part authority based on the milestone arrival condition in the task execution process, improves the safety and reliability of control, avoids instruction conflict and the state change problem of irrelevant parts, and solves the problem of distributing different part authorities in complex tasks of a spacecraft facing to double operators.
The following specific embodiments of the present invention may be combined, and the same or similar concepts or processes may not be described in detail in some embodiments.
Fig. 1 is a flowchart of a method for assigning authority to a spacecraft based on mission milestones according to an embodiment of the present invention. The method for distributing the authority of the spacecraft part provided by the embodiment of the invention can comprise the following steps:
step 1, before executing tasks, establishing an operator-task allocation table and a task-milestone table according to an operator configuration level table and various tasks obtained by decomposing complex tasks of a space vehicle, and establishing a milestone-component authority table for each task according to components necessary for completing each task;
in the embodiment of the invention, the operator-task allocation table is used for indicating the task allocation condition of all operators performing complex tasks, the task milestone table is used for indicating the milestone of each task, and the milestone-component authority table is used for indicating the component authority of the task after reaching different milestones.
The complex task in the embodiment of the invention has a longer execution period and more related task stages, and comprises a plurality of subtasks and sub targets; it should be noted that the complex task is not a set of multiple independent subtasks, different subtasks are closely related to each other, and the sub-targets are staged and hierarchical; generally, a system performing a complex task is composed of a plurality of components, which need to work together at different stages.
Step 2, in the starting stage of executing the task, according to the operator configuration grade table and the operator-task allocation table, the authority management unit allocates the grades of all operators, allocates the tasks required to be executed by each operator, and allocates corresponding component authorities to the tasks executed by the operators;
and 3, in the process of executing the tasks, the authority management unit monitors the milestone states of the tasks in real time and maintains the task-milestone meter to indicate the milestone state reached by each task, so that the corresponding part authority started when each operator executes the distributed tasks to reach different milestones is calculated in real time according to the operator-task distribution meter, the task-milestone meter and the milestone-part authority meter.
In the method for allocating the component authority of the spacecraft based on the task milestone, provided by the embodiment of the invention, a plurality of concepts such as an operator, a task, a component authority, a milestone and the like are involved, and the interaction relationship of the plurality of concepts is described below. As shown in fig. 2, which is a schematic diagram of relationship interaction among operators, tasks, components, component permissions, and milestones in the embodiment of the present invention, specific meanings of the above concepts are as follows:
(1) the operator: operators in a space aircraft simulated cockpit, namely executors of complex tasks of the aircraft, execute different tasks according to a certain task allocation principle, and jointly achieve the overall task goal;
(2) task: a work package (i.e., a single task) which is decomposed by complex tasks and needs to be completed by an operator, wherein the completion of all tasks means the completion of the whole complex task and is generally divided according to a function domain, an execution sequence or importance;
(3) the components: the key hardware or key software belonging to the spacecraft directly influences the safety of the spacecraft and the performability of tasks;
(4) component rights: in the embodiment of the invention, the operability degree of an operator for a specific part is specified, the spacecraft can comb out a plurality of key parts for a typical complex task, and the part authority such as control authority, state inquiry authority and management authority (such as key parameter modification authority) directly influences the performability of the task and the safety of the system, so that the authority of the key parts is divided into A, B, C, D four levels; wherein, level A: without any permission, level B: possession of query authority, level C: having inquiry authority and control authority, level D: the system has inquiry authority, control authority and management authority;
(5) milestones: the key nodes for completing the task in the execution process generally comprise: the method comprises the steps of task starting completion, normal state monitoring completion, attitude control completion, track adjustment completion, load control completion, temporary task interruption, task failure and task completion.
In the method for distributing the authority of the spacecraft based on the task milestones, provided by the embodiment of the invention, a plurality of tables such as a task table, a task-part table, a task-milestone table, an operator configuration level table, an operator-task distribution table and a milestone-part authority table are creatively provided, and the specific meanings of the tables are respectively explained as follows:
(1) a task table: i.e. the work list after the decomposition of the complex task, which is established by the task planner before the task execution and recorded as the set TIRepresenting a common I task, including: task 1, …, task I, …, task I;
(2) task-part table: i.e. the necessary components for the completion of a certain task, established by the planner before the task is performed, denoted as QIJWherein Q isijIndicating whether the component j, Q is required to execute task iij1 indicates that the component j, Q is required to execute the task iijWhen 0 indicates that the component j is not required to complete the execution task i, the task-component table in the embodiment of the present invention is shown in table 1 below.
TABLE 1 task-parts Table
Component 1 …… Component j …… Component J
Task 1 Q11 … Q1j … Q1J
…… … … … … …
Task i Qi1 … Qij … QiJ
…… … … … … …
Task I QI1 … QIj … QIJ
(3) Task-milestone watch: namely, the milestones of all tasks in the task list in the complex task are recorded, and each milestone experienced by each task in the list is recorded as MIKWherein M isikIndicating whether task i has reached milestone k, Mik1 indicates that task n has reached milestone k, MikWhen the value is equal to 0, the task i does not reach the milestone; in addition, during the task execution process, the authority management unit maintains the task-milestone list according to the task execution condition, and the task-milestone list in the embodiment of the invention is shown in the following table 2.
TABLE 2 mission-milestone watch
Milestone 1 …… Milestone k …… Milestone K
Task 1 M11 … M1k … M1K
…… … … … … …
Task i Mi1 … Mik … MiK
…… … … … … …
Task I MI1 … MIk … MIK
(4) Operator configuration level table: namely, all the operator titles participating in the execution of the complex task and the grades are divided into: the system comprises a main operator and a plurality of auxiliary operators, wherein the main operator only has one name, the auxiliary operators have a plurality of names, and the names are established by a planner before a task is executed;
(5) operator-task assignment table: aiming at different task allocation conditions of different operators, the task is established by a task planner before the task is executed and is marked as PNI，PniIndicating whether operator n has assigned task i, Pni1 indicates that operator n has assigned task i, PniWhere 0 indicates that the operator n does not assign the task i, the operator-task assignment table in the embodiment of the present invention is shown in table 3 below.
TABLE 3 operator-task Allocation Table
Task 1 …… Task i …… Task I
Operator 1 P11 … P1i … P1I
…… … … … … …
Operator n Pn1 … Pni … PnI
…… … … … … …
Operator N PN1 … PNi … PNI
(6) Milestone-part authority table: the authority of different parts which can be started after a certain type of task reaches different milestones is marked as VKJ，VkjA, B, C, D, corresponding to different levels of authority, the milestone-component authority table in the embodiment of the present invention is specific to a certain type of task, and in practical applications, all tasks in the task table have a milestone-component authority table, and only one of the task milestone-component authority tables is shown in the following table 4.
TABLE 4 milestone-part authority table for a certain task
Component 1 rights …… Component j rights …… Part J rights
Milestone 1 V11 … V1j … V1J
…… … … … … …
Milestone k Vk1 … Vkj … VkJ
…… … … … … …
Milestone K VK1 … VKj … VKJ
Fig. 3 is a flowchart of another method for assigning authority to spacecraft components based on mission milestones according to an embodiment of the present invention. With sufficient understanding of the tables in the embodiment of the present invention, as shown in fig. 3, step 1 in the embodiment of the present invention is actually the establishment and application manner of the tables, that is, step 1 may include the following steps:
and 11, decomposing the complex tasks of the space vehicle to obtain a task list, and establishing a task table according to each task in the task list.
And step 12, establishing a task-milestone list for each task in the task list established in the step 11, and definitely executing each milestone experienced by each task.
And step 13, establishing a task-component table according to components necessary for completing each task, wherein the task-component table comprises necessary components adopted for executing each task in the task list.
The task table is the basis of other tables in the embodiment of the invention, and the task table TIThe method comprises the following steps: task 1, …, task I, …, task I. In one aspect, a task-milestone watch, the task-milestone watch M, may be established by the milestones experienced by each task in the task watchIKIncluding I tasks and K milestones that the tasks have; as shown in Table 2 above, wherein MikIndicating whether task i has reached milestone k, Mik1 indicates that task n has reached milestone k, MikWhen the value is equal to 0, the task i does not reach the milestone; on the other hand, based on the components required for completion of each task in the task table, a task-component table may be created, the task-component table QIJThe system comprises I tasks and J components necessary for executing the tasks; as shown in Table 1 above, wherein QijIndicating whether the component j, Q is required to execute task iij1 indicates that the component j, Q is required to execute the task iijWhen 0, it means that the execution task i is completed without requiring the component j.
Step 14, distributing each task in the task table to at least one operator executing the task according to the operator configuration level table and the task table in step 11, and establishing an operator-task distribution table, wherein the operator configuration level table is an operator name list and a level for executing complex tasks, and the level is divided into: a main operator and at least one secondary operator.
Operator-task Allocation Table P in an embodiment of the inventionNIN operators and I tasks distributed to the operators are included; as shown in Table 3 above, wherein PniIndicating whether operator n has assigned task i, Pni1 indicates that operator n has assigned task i, Pni＝0Indicating that operator n has not assigned task i.
And step 15, according to the milestones and the task-part authority tables in the execution process of each task, making a milestone-part authority table for each task, wherein each milestone-part authority table is used for indicating the starting state of the corresponding part authority after each milestone of the task is reached.
Milestone-component authority table V in the embodiment of the inventionKJThe milestone-component authority table is a milestone-component authority table for a certain type of specified tasks, and the milestone-component authority table comprises K milestones and corresponding component authorities for the specified tasks, so that each task in the task table is provided with a corresponding milestone-component authority table; for example, the part rights may include the status query rights, control rights, and management rights of the part, as shown in Table 4 above, where VkjIs A, B, C, D, corresponding to different levels of component rights.
In a specific implementation of the embodiment of the present invention, the levels represented by A, B, C, D may be, for example:
Vkjwhen a, it means that the component has no authority;
Vkjwhen B, the component only has status query authority;
Vkjwhen the component is C, the component has state inquiry authority and control authority;
Vkjwhen D, the representation component has status query, control, and management rights.
In addition, it should be noted that the right management unit in the embodiment of the present invention is a functional module that is innovatively proposed in the embodiment of the present invention, for example, a software program deployed in a sum management system of a spacecraft, and is used to implement each configured function. In a specific implementation of the embodiment of the present invention, the function of the right management unit includes, at a stage of starting to execute a task, allocating the levels of all operators and the task to be executed by each operator, and during the process of executing the task, dynamically adjusting the right of the operators, where the task execution process can only be performed by a main operator to modify the levels of other operators, the task to be executed by each operator and the right of the operators, and is established by a planner before the task is executed.
Step 2 in the embodiment of the present invention is an operation executed by the right management unit when a task starts to be executed, that is, at this stage, an operator also executes a corresponding operation, specifically, the following step 2a is executed, in which all operators in the operator configuration level table perform seat login registration, the operator configuration level table and the operator-task allocation table are read, and the operator level and the task allocated to each operator are confirmed; in addition, the receiving authority management unit distributes the part authority corresponding to the task to be executed by the operator, and each task forms an initialized task milestone.
Further, step 3 in the embodiment of the present invention is an operation executed by the right management unit in the process of executing the task, that is, step 3 may specifically include:
step 31, in the process of executing the tasks, the authority management unit monitors the milestone state of each operator executing each task in real time according to the operator-task allocation table and the task-milestone table;
step 32, when the authority management unit detects that the milestone of the operator n for executing the task i changes, the milestone state in the task-milestone meter is maintained;
in step 33, the authority management unit queries the milestone-component authority table according to the state change of the milestone, so as to modify the component authority of the operator n executing the task i according to the milestone k reached by the task i.
Further, step 3 of the embodiment of the present invention may further include:
after each task completes all of its milestones, the rights management unit sends a task end instruction to the operator who completed the task, instructing the operator to end the task, step 34.
In the embodiment of the invention, in the process of executing the task, the authority management unit needs to monitor the task milestone arrival situation in real time and maintain the task-milestone meter MIK，MikIndicating whether task i has reached milestone k, Mik1 indicates that task n has reached milestone k, MikWhen 0, it means that task i has not reached the milestone. The rights management unit distributes the list (P) by operator-taskNI) Task-milestone watch (M)IK) And milestone-part authority table (V)KJ) The different part rights that different operators may turn on at different milestones of their tasks performed are calculated in real time.
The task milestone-based spacecraft part authority distribution method provided by the embodiment of the invention forms a corresponding relation between an operator and a task and between the operator and the task milestone according to the task-milestone list, the task-part list related to the task, the operator-task distribution list related to the operator level and the milestone-part authority list aiming at each task, thereby distributing corresponding part authority to the operator according to the part authority corresponding to the milestone reached by a certain operator to execute a certain task and forming the corresponding relation between the operator and the task-milestone-part authority. By adopting the method provided by the embodiment of the invention, aiming at the requirement of complex task execution of the space aircraft in the space in the remote space, multiple operators can realize the cooperative and ordered control of different parts on the aircraft by the method provided by the embodiment of the invention, and simultaneously, the completeness and the safety of task execution are ensured; the main innovation points in the embodiment of the invention comprise the following three points:
(1) the method has the advantages that a component authority distribution mechanism in a space aircraft driving scene or a task execution process is innovatively provided, each operator can only have partial authority of partial components when the aircraft executes different milestones of different tasks, and potential unknown risks caused by command miss-sending or button miss-touching are effectively avoided;
(2) a management mechanism based on a permission management unit is innovatively provided and is used for supervising the permission distribution of the task progress management component, a main operator is managed by the permission management unit, and can start, modify or manage the permission management unit under necessary conditions to realize the change of the permission and the task plan of the main operator and other operators;
(3) a main operator mechanism and a standby operator mechanism based on a permission management unit are innovatively provided, and the main operator can realize that all operators execute tasks in limited permission under a normal condition and can meet the requirement of task plan change under a temporary condition.
Based on the summary analysis and the innovative description of the technical scheme of the invention, the technical scheme provided by the embodiment of the invention has the following technical effects:
(1) only one main operator exists at any stage of the task, so that potential conflict or confusion caused by simultaneous management of multiple persons on the system or the operators can be avoided, single command of all the persons is realized, and the task execution efficiency is improved;
(2) multiple operators work simultaneously to exert the cooperative advantage, complete complex tasks which can not be executed by a single operator, shorten the task execution time and improve the task completion quality;
(3) in the face of multiple secondary operators, a main operator only needs to manage the authority management unit and does not need to directly communicate with the multiple secondary operators at the same time, and the phenomenon that the authority distribution of the components is unclear or wrong under the condition of multi-task cooperation can be avoided.
(4) The management authority of the authority management unit is not directly managed, and the authority management unit can be started, modified or managed to modify a task plan and adjust the task distributed by the secondary operator and the authority of different parts under the temporary condition.
The following describes in detail an implementation of the task milestone-based spacecraft part right assignment method according to an embodiment of the present invention with a specific implementation example. Fig. 4 is a flowchart of a task milestone-based spacecraft parts right assignment method according to an exemplary embodiment of the present invention.
The spacecraft component right assignment method provided by the embodiment shown in fig. 4 divides the spacecraft task execution into two large stages, including: the method comprises a task preparation phase and a task execution phase, wherein various task plans planned in the task preparation phase and various tables made in the task plans can be planned and processed by a task planner, and the task execution phase comprises the task execution flow of various operators and the task execution flow of a permission management unit in the spacecraft. As shown in fig. 4, the processing flow of this specific implementation example includes the following steps:
s1, before executing the task, the planner receives the complex task plan issued by the commander and decomposes the task plan according to the battle task requirement, formulates a task plan file, and establishes a task table and an operator configuration grade table;
s2, the task planner builds a task-part list and a task-milestone list based on the task list;
s3, allocating each task in the task list to the operator by the task planner according to the task list and the operator configuration level list, and establishing an operator-task allocation list;
s4, the task planner establishes a milestone-part authority list corresponding to each task according to the task-part list, and determines the part authority required by all milestones of each task;
s5, the start stage of the task is executed, and the operations executed by the right management unit include: reading a configuration grade table and an operator-task allocation table according to operators, allocating the grades of all the operators, allocating tasks required to be executed by each operator, and allocating corresponding component rights to the tasks executed by the operators;
in the beginning stage of executing the task, the operation executed by the operator comprises: all operators in the operator configuration level table log in seats, read the operator configuration level table and the operator-task allocation table, confirm the level and the allocated task condition of each operator, and receive the part authority corresponding to the task executed by the operator and allocated by the authority management unit, wherein each task can initialize a task milestone;
in the process of executing the task, the operations executed by the authority management unit include:
and S6, the authority management unit monitors the milestone states of the tasks in the task-milestone list according to the read operator-task distribution list and on the basis of the milestones of the tasks in the task-milestone list. In an implementation mode of monitoring the task milestone state, the following operation modes are further included:
s61, if the authority management unit does not detect that the milestone of the task changes, returning to the milestone state for continuing to supervise the task;
s62, if the authority management unit detects that the milestone state of a certain operator executing a certain task changes, maintaining the task-milestone list, for example, modifying the milestone state of the task in the task-milestone list, and obtaining the corresponding relation from the operator to the task, then to the milestone, and finally to the part authority by inquiring the milestone-part authority list, thereby modifying the part authority of the operator belonging to the corresponding task, at this time, if the task has the unreached milestone, returning to the milestone state of continuing to supervise the task;
s63, if the authority management unit detects that all milestones of a certain task reach the 'completion' stage, the task is finished, and a task finishing instruction of the task is sent to an operator;
in the process of executing the task, the operation executed by the operator comprises the following steps:
s7, the operator executes the task according to the latest assigned task and the component authority, and the implementation mode of the operator executing the task further comprises the following operation modes:
s71, if the operator does not receive the task ending instruction sent by the authority management unit and does not receive the task and the part authority distributed by the authority management unit again, the operator returns to execute S7;
s72, if the operator does not receive the task ending instruction sent by the authority management unit and receives the task and the part authority which are newly distributed by the authority management unit, the operator continues to execute the task according to the newly distributed task and part authority;
and S73, if the operator receives the task ending instruction sent by the authority management unit, the operator ends the task.
The technical scheme of the embodiment of the invention innovatively provides a component authority distribution implementation method based on the task milestone, allows multiple operators to realize the simultaneous and orderly cooperative control on the same complex system, and simultaneously ensures the completion degree and the safety of task execution. By adopting the method for distributing the component permission of the spacecraft, provided by the embodiment of the invention, the permission of a plurality of operators executing complex tasks is distributed, so that the control efficiency and the safety of the spacecraft are greatly improved, and the spacecraft can explore more application scenes and use modes.
Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A method for assigning spacecraft component authority based on mission milestones, comprising:
step 1, before executing tasks, establishing an operator-task allocation table and a task-milestone table according to an operator configuration level table and various tasks obtained by decomposing complex tasks of a space vehicle, and establishing a milestone-component authority table for each task according to components necessary for completing each task;
step 2, in the starting stage of executing tasks, according to the operator configuration grade table and the operator-task allocation table, the authority management unit allocates the grade of the operator, allocates the task required to be executed by each operator, and allocates corresponding component authority to the task executed by the operator;
and 3, in the process of executing the tasks, the authority management unit monitors the milestone states of the tasks in real time and maintains the task-milestone meter to indicate the milestone state reached by each task, so that the corresponding part authority started when each operator executes the distributed tasks to reach different milestones is calculated in real time according to the operator-task distribution meter, the task-milestone meter and the milestone-part authority meter.
2. The mission-milestone-based spacecraft parts right assignment method according to claim 1, wherein the step 1 comprises:
step 11, decomposing the complex tasks of the space vehicle to obtain a task list, and establishing a task table according to each task in the task list;
step 12, establishing a task-milestone list for each task in the task list established in the step 11, and definitely executing each milestone experienced by each task;
step 13, establishing a task-component table according to components necessary for completing each task, wherein the task-component table comprises necessary components adopted for executing each task in the task list;
step 14, distributing each task in the task table to at least one operator executing the task according to the operator configuration level table and the task table in step 11, and establishing an operator-task distribution table, where the operator configuration level table is an operator name list and a level for executing the complex task, and the level is: a primary operator and at least one secondary operator;
and step 15, according to the milestones in the execution process of each task and the task-part authority table, making a milestone-part authority table for each task, wherein each milestone-part authority table is used for indicating the starting state of the corresponding part authority after each milestone of the task is reached.
3. Task milestone-based spacecraft parts right assignment method according to claim 2, wherein the task table TIThe method comprises the following steps: task 1, …, task I, …, task I; the task-part table QIJThe system comprises I tasks and J components necessary for executing the tasks;
wherein Q isijIndicating whether the component j, Q is required to execute task iij1 indicates that the component j, Q is required to execute the task iijWhen 0, it means that the execution task i is completed without requiring the component j.
4. The method of claim 3The method for assigning spacecraft part authority based on mission milestones is characterized in that the mission-milestone meter MIKIncluding I tasks and K milestones that the tasks have;
wherein M isikIndicating whether task i has reached milestone k, Mik1 indicates that task n has reached milestone k, MikWhen 0, it means that task i has not reached the milestone.
5. Mission-milestone-based spacecraft parts right assignment method according to claim 4, characterized in that the operator-mission Allocation Table PNIN operators and I tasks distributed to the operators are included;
wherein, PniIndicating whether operator n has assigned task i, Pni1 indicates that operator n has assigned task i, Pni0 indicates that operator n has not assigned task i.
6. The mission-milestone-based spacecraft parts authority assignment method of claim 5, wherein the milestone-parts authority table VKJThe method comprises K milestones aiming at a specified task and corresponding part authorities, wherein the part authorities comprise state inquiry authorities, control authorities and management authorities of parts, and VkjA, B, C, D, corresponding to different levels of component rights;
wherein, the VkjWhen a, it means that the component has no authority;
the V iskjWhen B, the component only has status query authority;
the V iskjWhen the component is C, the component has state inquiry authority and control authority;
the V iskjWhen D, the representation component has status query, control, and management rights.
7. The task-milestone-based spacecraft part right assignment method according to any one of claims 1 to 6, wherein the operator-task assignment table is used for representing the task assignment situation of an operator performing the complex task, the task-milestone table is used for representing the milestone of each task, and the milestone-part right table is used for representing the part right of the task after reaching different milestones.
8. The mission-milestone-based spacecraft parts authority assignment method according to any one of claims 1 to 6, wherein the step 2 is executed, and further comprising preparation work of an operator for executing a mission, comprising:
all operators in the operator configuration level table log in seats, the operator configuration level table and the operator-task allocation table are read, the operator levels and tasks allocated to each operator are confirmed, part rights corresponding to the tasks to be executed by the operators and allocated by the right management unit are received, and each task forms an initialized task milestone.
9. The mission-milestone-based spacecraft parts right assignment method according to any of claims 1 to 6, wherein the step 3 comprises:
step 31, in the process of executing the tasks, the authority management unit monitors the milestone state of each operator executing each task in real time according to the operator-task allocation table and the task-milestone table;
step 32, when the authority management unit detects that the milestone of the operator n for executing the task i changes, the milestone state in the task-milestone meter is maintained;
in step 33, the authority management unit queries the milestone-component authority table according to the state change of the milestone, so as to modify the component authority of the operator n executing the task i according to the milestone k reached by the task i.
10. The mission-milestone-based spacecraft parts right assignment method according to any of claims 1 to 6, further comprising:
step 34, after each task completes all of its milestones, the rights management unit sends a task end instruction to the operator who completed the task, instructing the operator to end the task.
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