CN113485748B - Satellite condition instruction system and execution method thereof - Google Patents
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Abstract
The invention provides a satellite conditional instruction system and an execution method thereof, wherein the satellite conditional instruction system comprises the following steps: the satellite condition instruction module, the condition information module and the condition instruction space module; the satellite condition instruction module analyzes and executes the satellite condition instruction; the condition information module controls and executes the condition information through the condition information instruction; the conditional instruction space module calls a satellite conditional instruction stored in the conditional instruction space and controls the conditional instruction space through a conditional instruction space control instruction. The application of the invention has the advantages of improving the satellite program control design process, shortening the satellite program control test period, enhancing the ground test automation degree, improving the satellite program control flexibility and the like.
Description
Technical Field
The invention relates to the field of satellite control, in particular to a satellite condition instruction system and an execution method thereof.
Background
The traditional satellite program control is usually realized by directly solidifying program control logic into a program, and the program control realized by the method has the defects of longer research and development period, more complicated program control logic modification process, higher difficulty in newly increasing program control functions on orbit and the like. In order to make up for the disadvantages of the above program control implementation manner and provide a temporary program control function for ground testing and on-orbit application, the patent provides a program control design implemented in an instruction form.
The existing patents such as a universal program control system (CN105137929A) suitable for satellite models, a satellite program control instruction maintenance method (CN107562443A) based on a circular queue, a satellite remote control instruction format design and coding management system and method (CN109067704A), a full-state visual dynamic satellite test system and method (CN109088668A) and the like do not relate to an automatic satellite test scheme which adopts a condition instruction (an instruction triggered by a configurable condition), realizes satellite program control in a condition instruction mode and mainly adopts satellite program control in a condition instruction mode.
Disclosure of Invention
In view of the defects in the prior art, the invention aims to provide a satellite conditional instruction system and an execution method thereof.
The invention provides a satellite condition instruction system, which comprises: the satellite condition instruction module, the condition information module and the condition instruction space module;
the satellite condition instruction module analyzes and executes the satellite condition instruction;
the condition information module controls and executes the condition information through the condition information instruction;
the conditional instruction space module calls a satellite conditional instruction stored in the conditional instruction space and controls the conditional instruction space through a conditional instruction space control instruction.
Preferably, the satellite condition instructions comprise: execution conditions, instructions, and other information;
the execution condition is a rule of program judgment, and comprises a first criterion position, a second criterion position, a criterion algorithm, a threshold value, a comparison mode and criterion filtering;
the instructions are capable of being interpreted by a satellite;
the other information includes the storage location and execution times of the satellite conditional instruction in the conditional instruction space.
Preferably, the satellite condition instruction module reads original information according to the first criterion position and the second criterion position;
the criterion algorithm comprises greater than, less than, equal to and unequal to;
the comparison modes comprise addition, subtraction, AND, OR and XOR;
the criterion filtering is to perform filtering operation on the result of the criterion algorithm, including two kinds of accumulation satisfaction and continuous satisfaction.
Preferably, the first and second electrodes are formed of a metal,
the accumulated satisfaction comprises the following steps: when the success times of the criterion algorithm are accumulated to meet the filtering value, the execution condition is really met, and when the criterion algorithm fails, the filtering count is only suspended but not reset;
the continuous satisfaction comprises the following steps: when the success times of the criterion algorithm continuously meet the filtering value, the execution condition is really met, when the criterion algorithm fails, the filtering count is cleared, and when the criterion algorithm succeeds again, the filtering count is carried out again.
Preferably, the condition information instruction includes: source information processing and information storage locations;
the source information processing comprises a first source information type, a first source information value or source, a second source information type, a second source information value or source and an inter-source information algorithm;
the information storage position is a storage position after the condition information instruction is generated.
Preferably, the first source information type and the second source information type include existing information or a constant, when the existing information is the existing information, the first source information value or source and the second source information value or source are address information of the source information, and when the existing information is the constant, the first source information value or source and the second source information value or source are constant values.
Preferably, the inter-source information algorithm includes addition and subtraction.
Preferably, the conditional instruction space control instruction comprises: a plurality of independent intervals, each of said intervals comprising an address range and an operating condition;
preferably, the operating condition includes an execution condition, an execution cycle, or an initial cycle of the partition, and the operating condition of each partition is independent of each other.
The invention provides an execution method of a satellite conditional instruction system, which comprises the following steps:
the satellite condition instruction is annotated and then stored in condition information configured through the condition information instruction;
judging the operating conditions of each partition of the condition information instruction every cycle: when the operation condition is met, calling the satellite condition instruction of the partition, otherwise, not calling the satellite condition instruction of the partition; the satellite condition instructions in the same partition are called one by one according to the storage sequence;
after the satellite condition instruction is called, the satellite condition instruction is analyzed through the satellite condition instruction module, the satellite condition instruction criterion information is calculated and interpreted, when the satellite condition instruction meets the criterion condition, the instruction contained in the satellite condition instruction is executed, otherwise, the instruction is not executed; when the plurality of satellite condition instructions simultaneously meet the criterion condition in the same period, the instructions contained in the satellite condition instructions are executed one by one according to the calling sequence of the satellite condition instructions.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides a technical means for increasing, modifying and deleting program control in any period of development and use of the satellite, and improves the flexibility of the design and use of the satellite program control.
2. The invention provides a method for realizing the satellite closed-loop self-test function under the condition of not introducing redundancy or multi-satellite software modification to the satellite software, and the test method is convenient to modify and is beneficial to improving the test efficiency of the satellite.
3. The invention provides a means for realizing short-term or one-time program control of a satellite, and eliminates the risks of short-term or one-time program control false triggering and false operation in the service life cycle of the satellite after the short-term or one-time program control function of the conventional satellite is finished.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a diagram illustrating an exemplary structure of a CC according to the present invention;
FIG. 2 is a diagram illustrating an exemplary structure of a CM control instruction according to the present invention;
FIG. 3 is a diagram illustrating an exemplary structure of a CCS control instruction according to the present invention;
fig. 4 is a flowchart illustrating the implementation of CC according to the present invention.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will aid those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any manner. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
The invention provides a satellite condition instruction system, comprising: the satellite condition Command (hereinafter abbreviated as "CC"), condition information (hereinafter abbreviated as "CM"), and condition Command Space (hereinafter abbreviated as "CCS").
The satellite condition instruction module analyzes and executes the satellite condition instruction. As shown in fig. 1, CC is an instruction sent when the satellite information satisfies a condition, and is composed of a condition, an instruction, and other information 3, where: the condition refers to a rule determined by a program, and includes but is not limited to that the result of comparing the on-board information (or the operation result of the information) with a threshold constant is true, and the like; the command is a command which can be analyzed by the satellite; the other information comprises the storage position of the CC in the CCS, the execution times of the CC and the like; as shown in fig. 1, the conditional instruction structure includes two original onboard information, an operation rule (such as addition, subtraction, and, or, xor, etc.) between the original onboard information, a threshold for comparing the onboard information or its operation result, a comparison manner of the threshold (such as greater than, less than, equal to, not equal to, etc.), a digital filtering threshold for comparing the onboard information or its operation result with the threshold, a specific instruction content to be sent, a storage location of the CC in the CCs, and a number of times of execution of the CC.
The CM is mainly used for storing intermediate variables generated by the CCs and realizing the composite program control function of the plurality of CCs; the control of the CM mainly includes: direct assignment, incremental (decremental) assignment; the control instruction composition of the CM comprises: information source location, information source type (constant value, replicated target address, increment (decrement) amount, etc.), information algorithm (constant assignment, replicated assignment, single increment (decrement), double sum, double difference, etc.), generated information storage location, etc. An example of the structure of the CM control instruction is shown in fig. 2.
The CCS is a storage space of the CC, and realizes scheduling control of the CC. The CCS is controlled through a control instruction of the CCS and mainly comprises two parts: first, partition control of CCS; second, the CCS partition invokes control. Typically CCS employs sequential partitions, e.g., partition 1 is addresses A1 through A2, partition 2 is addresses A2+1 through A3, and so on; the CCS partition calling adopts condition triggering, the triggering condition of each partition is independently configured, for example, triggering is carried out for 1 time every 1s on the partition 1, triggering is carried out for 1 time every 2s on the partition 2, and the like; and when the partition is triggered, the CC in the partition is operated, otherwise, the CC in the partition is not operated. The control instruction format of the CCS can be summarized as: partition 1 scope, partition 1 rule, partition 2 scope, partition 2 rule, and so on. An example of the structure of the CCS control instruction is shown in fig. 3.
An example of the operation flow of the CC in the CCs is shown in fig. 4. And when the CCS meets the operation condition and is activated, judging the execution condition of all CCs in the CCS, outputting the instructions of the CCs meeting the execution condition, and not outputting the instructions of the CCs not meeting the execution condition.
Example (b):
the embodiment provides a satellite condition instruction, which comprises the following modules:
CC processing module, CM processing module, CCS processing module, wherein:
(1) the CC processing module is used for analyzing and executing the CC instruction, and the processed CC structure is as follows:
a) two original information parameters are designed in the CC, and original information reading is carried out through the information 1 position and the information 2 position;
b) the operation modes comprise 5 types of addition, subtraction, AND, OR and XOR;
c) the constants are expressed by 4 bytes (since the program operating environment is a 32-bit processor and the original information is 4 bytes at most, the constants are expressed by 4 bytes);
d) the algorithm comprises 4 types of algorithms which are more than, less than, equal to and unequal to;
e) the algorithm filtering means that filtering operation is carried out on the result generated by the algorithm, including 2 types of accumulation and continuous satisfaction, so that the error triggering of the instruction caused by accidental abnormality of the original information is prevented, and a timing mechanism of the instruction can be realized; the accumulative meeting filtering mode means that when the success times of the algorithm meet the filtering value in an accumulative way, the execution condition is really met, and when the algorithm fails, the filtering count is only suspended but not reset; the continuous satisfying of the filtering mode means that when the success times of the algorithm continuously satisfy the filtering value, the execution condition is really satisfied, when the algorithm fails, the filtering count is cleared, and when the algorithm succeeds again, the filtering count is carried out again;
f) the command is a finally sent command, the length of the command is a bounded variable, and the length is set to be [ LCD, LCU ] (the LCD and the LCU are integers, and if no special description exists, all the character characterization quantities are integers);
g) the storage location is used for representing the logic address of the CC in the CCS, and is represented by adopting continuous counting, and is set as [1, M ] (M is the instruction storage quantity in the CCS, and M is larger than or equal to 2 in general);
h) the number of executions is used to characterize the effective number of executions of the CC, here [0,255], where 0 characterizes the CC not to be executed any more and 255 characterizes the CC not to be executed any more.
(2) The CM processing module is used for controlling and executing the CM through a CM control instruction, and the received CM control instruction has the following structure:
a) designing 2 source information parameters;
b) the information types of the 2 pieces of source information are configured independently, and the information types comprise existing information or constants in the embodiment;
c) when the source information type is the existing information, the 'source information value or the source position' is the address information of the source information; when the source information type is constant, the 'source information value or source position' is a constant value;
d) the algorithm between the information 1 and the information 2 is used for storing operation information, and in the example, the operation information only comprises 2 types of addition and subtraction;
e) the information storage location is used for representing a storage location after the CM is generated, in this example, the CM is independently stored in a memory, the storage location S belongs to [1, K ], S is represented in a relative address form represented by a continuous numerical value, generally, K is larger than or equal to 1, and when K is equal to 1, the attribute of the information storage location can be omitted.
(3) The CCS processing module is used for calling the CCs stored in the CCS and controlling the CCS through a CCS control instruction, and the CCS control instruction has the following structure:
a) the design can realize the control of dividing the CCS into N independent sections, wherein M is larger than or equal to N, and when N is equal to M, the 'address range' in the CCSC is meaningless and can be omitted;
b) the address range of each interval is generally continuous, and the relative address interval represented by continuous numerical values can be expressed as: a range 1 address range [ a1, a2-1], a range 2 address range [ a2, A3-1] … … a range i address range [ Ai, Ai +1-1] … … a range N address range [ AN, M ], wherein a1 is the head address, typically 0 or 1, in this example a1 ═ 1;
c) the operation conditions comprise the execution conditions, the execution period, the initial period and other information of the partitions, and the operation conditions of all the intervals are independently set; in this embodiment, the execution conditions of each interval are unified into a satellite telemetry information acquisition period: under the condition of uniform execution conditions, the attribute of the execution conditions in the running conditions can be omitted; when the execution condition is a satellite telemetry information acquisition cycle, the execution cycle refers to that the number of the acquisition cycles C (C ≧ 1) passes through a fixed telemetry, and the initial cycle is CF (C ≧ CF ≧ 0); at this point, the operating condition may be expressed as being activated for an interval after C-CF telemetry acquisition cycles, followed by every C telemetry acquisition cycle intervals.
The control instruction format meets the instruction format requirement of the service satellite model;
the CC execution flow is shown in the attached figure 4:
(1) after the CC is annotated, storing the CC in a CCS configured by a CCS control instruction;
(2) the software judges the operating conditions of each partition of the CCS in each period: when the running condition is met, calling the CC of the local partition, otherwise not calling the CC of the local partition; calling the CCs in the same partition one by one according to a storage sequence;
(3) after the CC is called, analyzing the CC through a CC processing module, calculating and interpreting the CC criterion information, and executing an instruction contained in the CC when the CC meets the criterion condition, or not executing the instruction; when a plurality of CCs simultaneously meet criterion conditions in the same period, executing instructions contained in the CCs one by one according to the calling sequence of the CCs;
(4) the instructions contained in the CC comprise CM control instructions, and the CC executes the CM control instructions to realize the functions of storage of intermediate variables, jump of the CC, exit of the composite function and the like in the execution process of the composite function consisting of a plurality of CCs.
Those skilled in the art will appreciate that, in addition to implementing the system and its various devices, modules, units provided by the present invention as pure computer readable program code, the system and its various devices, modules, units provided by the present invention can be fully implemented by logically programming method steps in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Therefore, the system and various devices, modules and units thereof provided by the invention can be regarded as a hardware component, and the devices, modules and units included in the system for realizing various functions can also be regarded as structures in the hardware component; means, modules, units for performing the various functions may also be regarded as structures within both software modules and hardware components for performing the method.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (9)
1. A satellite conditional instruction system, comprising: the satellite condition instruction module, the condition information module and the condition instruction space module;
the satellite condition instruction module analyzes and executes the satellite condition instruction;
the condition information module controls and executes the condition information through the condition information instruction;
the conditional instruction space module calls a satellite conditional instruction stored in the conditional instruction space and controls the conditional instruction space through a conditional instruction space control instruction;
the satellite condition instruction is annotated and then stored in condition information configured through the condition information instruction;
the operating conditions of each partition of the satellite condition information command are used for judging in each period: when the operation condition is met, calling the satellite condition instruction of the partition, otherwise, not calling the satellite condition instruction of the partition; the satellite condition instructions in the same partition are called one by one according to the storage sequence;
after the satellite condition instruction is called, the satellite condition instruction module analyzes the satellite condition instruction, calculates and interprets the criterion information of the satellite condition instruction, executes the instruction contained in the satellite condition instruction when the satellite condition instruction meets the criterion condition, or does not execute the instruction; when a plurality of satellite condition instructions simultaneously meet criterion conditions in the same period, executing instructions contained in the satellite condition instructions one by one according to the sequence called by the satellite condition instructions;
the condition information instruction includes: source information processing and information storage locations;
the source information processing comprises a first source information type, a first source information value or source, a second source information type, a second source information value or source and an inter-source information algorithm;
the information storage position is a storage position after the condition information instruction is generated.
2. The satellite condition instruction system according to claim 1, wherein the satellite condition instruction comprises: execution conditions, instructions, and other information;
the execution condition is a rule of program judgment, and comprises a first criterion position, a second criterion position, a criterion algorithm, a threshold value, a comparison mode and criterion filtering;
the instructions are capable of being interpreted by a satellite;
the other information includes the storage location and execution times of the satellite conditional instruction in the conditional instruction space.
3. The satellite condition instruction system according to claim 2, wherein the satellite condition instruction module performs original information reading according to the first criterion position and the second criterion position;
the criterion algorithm comprises greater than, less than, equal to and unequal to;
the comparison modes comprise addition, subtraction, AND, OR and XOR;
the criterion filtering is to perform filtering operation on the result of the criterion algorithm, and comprises two types of accumulation satisfaction and continuous satisfaction.
4. The satellite conditional instruction system of claim 3,
the accumulated satisfaction comprises the following steps: when the success times of the criterion algorithm are accumulated to meet the filtering value, the execution condition is really met, and when the criterion algorithm fails, the filtering count is only suspended but not reset;
the continuous satisfaction comprises the following steps: when the success times of the criterion algorithm continuously meet the filtering value, the execution condition is really met, when the criterion algorithm fails, the filtering count is cleared, and when the criterion algorithm succeeds again, the filtering count is carried out again.
5. The satellite condition instruction system according to claim 1, wherein the first source information type and the second source information type include existing information or a constant value, the first source information value or source and the second source information value or source are address information of source information when the existing information is the existing information, and the first source information value or source and the second source information value or source are the constant value when the constant value is the constant value.
6. The satellite conditional instruction system of claim 1, wherein the inter-source information algorithm comprises an addition and a subtraction.
7. The satellite conditional instruction system of claim 1, wherein the conditional instruction space control instruction comprises: a plurality of independent intervals, each said interval comprising an address range and an operating condition.
8. The satellite conditional instruction system of claim 7, wherein the operating conditions comprise an execution condition, an execution cycle, or an initial cycle of the partition, and the operating conditions of the partitions are independent of each other.
9. A method for executing the satellite conditional instruction system according to claim 1, comprising:
the satellite condition instruction is annotated and then stored in condition information configured through the condition information instruction;
judging the operating conditions of each partition of the condition information instruction every cycle: when the operation condition is met, calling the satellite condition instruction of the partition, otherwise, not calling the satellite condition instruction of the partition; the satellite condition instructions in the same partition are called one by one according to the storage sequence;
after the satellite condition instruction is called, the satellite condition instruction is analyzed through the satellite condition instruction module, the satellite condition instruction criterion information is calculated and interpreted, when the satellite condition instruction meets the criterion condition, the instruction contained in the satellite condition instruction is executed, otherwise, the instruction is not executed; and when the plurality of satellite condition instructions simultaneously meet the criterion condition in the same period, executing the instructions contained in the satellite condition instructions one by one according to the calling sequence of the satellite condition instructions.
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| JP2003050716A (en) * | 2001-08-06 | 2003-02-21 | Matsushita Electric Ind Co Ltd | Software debugger and software development support system |
| CN1302379C (en) * | 2003-12-12 | 2007-02-28 | 上海奇码数字信息有限公司 | Conditioned control management device and method |
| JP2006011723A (en) * | 2004-06-24 | 2006-01-12 | Matsushita Electric Ind Co Ltd | Branch control method and information processor |
| KR100628573B1 (en) * | 2004-09-08 | 2006-09-26 | 삼성전자주식회사 | Apparatus capable of execution of conditional instructions in out of order and method thereof |
| JP4718901B2 (en) * | 2005-05-27 | 2011-07-06 | パナソニック株式会社 | Instruction execution device, debugging method, debugging device, and debugging program |
| GB2487355B (en) * | 2011-01-13 | 2020-03-25 | Advanced Risc Mach Ltd | Processing apparatus, trace unit and diagnostic apparatus |
| CN102520760B (en) * | 2011-12-20 | 2014-09-03 | 北京航天测控技术有限公司 | Processor for arbitrary waveform generating system |
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| US5247627A (en) * | 1987-06-05 | 1993-09-21 | Mitsubishi Denki Kabushiki Kaisha | Digital signal processor with conditional branch decision unit and storage of conditional branch decision results |
| CN101046741A (en) * | 2006-03-30 | 2007-10-03 | 恩益禧电子股份有限公司 | Processor apparatus and complex condition processing method |
| CN110995557A (en) * | 2019-10-17 | 2020-04-10 | 北京空间机电研究所 | Intelligent processing system for bus control parameter instructions of space remote sensing camera |
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