CN115306591A - Remote control ignition device of rocket engine and remote control ignition data checking method - Google Patents
Remote control ignition device of rocket engine and remote control ignition data checking method Download PDFInfo
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- 230000000737 periodic effect Effects 0.000 claims abstract description 145
- 238000004806 packaging method and process Methods 0.000 claims abstract description 10
- 238000013024 troubleshooting Methods 0.000 claims description 4
- 239000003550 marker Substances 0.000 claims 1
- 238000007689 inspection Methods 0.000 description 5
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/95—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof characterised by starting or ignition means or arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/96—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof characterised by specially adapted arrangements for testing or measuring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a remote control ignition device of a rocket engine and a remote control ignition data checking method, wherein the remote control ignition device comprises a remote control terminal and a core control terminal, the remote control terminal is used for receiving and analyzing periodic time sequence data, and checking whether the periodic time sequence data is lost or not based on all the received periodic time sequence data; the core control terminal is used for receiving the non-periodic instruction or the time sequence binding instruction, controlling the engine to execute the corresponding instruction based on the non-periodic instruction or the time sequence binding instruction, receiving the engine state information for multiple times, packaging the received engine state information, the corresponding time sequence mark and the time sequence number into periodic time sequence data, and then sending the periodic time sequence data to the remote control terminal. After the timing sequence marks in the periodic timing sequence data are analyzed by the remote control terminal, whether the timing sequence numbers are missing or not is conveniently identified by analyzing all the timing sequence numbers, and the state information of the engine action corresponding to the missing timing sequence numbers can be judged to be lost.
Description
Technical Field
The disclosure belongs to the technical field of engine control, and particularly relates to a remote control ignition device of a rocket engine and a remote control ignition data checking method.
Background
When the variable thrust electric engine gas generator of the liquid rocket is in an ignition scene, the engine can be controlled at a far end and is subjected to an ignition experiment according to an instruction, and when the engine is subjected to the ignition experiment, the engine state data during ignition needs to be recorded, so that the data of the engine in various ignition states can be conveniently analyzed, but data loss can occur during transmission in the data transmission in the prior art.
Disclosure of Invention
In order to solve the above technical problems, an object of the present disclosure is to provide a remote control ignition device for a rocket engine, which is capable of identifying whether the received state data of the engine is lost or not when the engine is ignited remotely.
In order to achieve the purpose of the disclosure, the technical scheme adopted by the disclosure is as follows:
a remote-controlled ignition device for a rocket engine, comprising:
the remote control terminal is used for sending a non-periodic instruction or a time sequence binding instruction to the core control terminal, receiving and analyzing periodic time sequence data, and checking whether the periodic time sequence data is lost or not based on all the received periodic time sequence data; the non-periodic instruction is used for storing a preparation action instruction before the engine works, and the time sequence binding instruction is used for storing an operation instruction and an ignition control time sequence when the engine works;
the core control terminal is connected with the remote control terminal and used for receiving the non-periodic instruction or the time sequence binding instruction, controlling the engine to execute the corresponding instruction based on the non-periodic instruction or the time sequence binding instruction, receiving the engine state information for multiple times, packaging the received engine state information, the corresponding time sequence mark and the time sequence number into periodic time sequence data, and then sending the periodic time sequence data to the remote control terminal;
the time sequence marks in the periodic time sequence data correspond to ignition control time sequences in time sequence binding instructions, and the time sequence numbers are sequentially numbered according to the generation sequence of the periodic time sequence data.
Optionally, the remote control terminal includes:
the command sending module is connected with the control module and used for sending a non-periodic command or a time sequence binding command to the core control terminal;
the data receiving and analyzing module is connected with the control module and used for receiving and analyzing the periodic time sequence data;
and the data checking module is connected with the control module and can check whether the periodic time sequence data is lost or not based on the received time sequence mark and the received time sequence number in the periodic time sequence data.
Optionally, the remote control terminal further includes:
and the drawing module is connected with the control module and used for drawing a relational graph based on the received time sequence mark and the corresponding time sequence number.
Optionally, the core control terminal includes:
the information transceiving module is used for receiving a non-periodic instruction or a time sequence binding instruction sent by the remote control terminal and sending periodic time sequence data to the remote control terminal;
the engine control module is connected with the information transceiving module and is used for controlling the engine to execute corresponding instructions based on non-periodic instructions or time sequence binding instructions;
and the data receiving and analyzing module is connected with the information transceiving module and used for receiving the engine state information for multiple times, packaging the received engine state information, the corresponding time sequence mark and the time sequence number into periodic time sequence data and then sending the periodic time sequence data to the information transceiving module.
Optionally, the core control terminal further includes:
the interrupt module is connected with the data receiving and analyzing module and sends an interrupt signal to the data receiving and analyzing module at intervals of preset time;
and the data receiving and analyzing module receives the engine state information after receiving the interrupt signal every time, packages the time sequence mark and the engine state information into periodic time sequence data and sends the periodic time sequence data to the information transceiving module.
The present disclosure also provides a method for checking engine remote control ignition data, comprising:
the remote control terminal sends a non-periodic instruction to the core control terminal, wherein the non-periodic instruction is used for storing a preparation action instruction before the engine works;
the core control terminal controls the engine to execute a preparation action instruction, and sends a preparation action return instruction to the remote control terminal after the preparation action instruction is finished;
after receiving the back command of the approved standby action, the remote control terminal sends a time sequence binding command to the core control terminal, wherein the time sequence binding command is used for storing an operation command and an ignition control time sequence when the engine works;
the core control terminal analyzes the time sequence binding instruction, controls the engine to execute an operation instruction according to an ignition control time sequence, receives the engine state information for multiple times, packages the received engine state information, the corresponding time sequence mark and the time sequence number into periodic time sequence data, and then sends the periodic time sequence data to the remote control terminal; the time sequence marks in the periodic time sequence data correspond to ignition control time sequences in time sequence binding instructions, and the time sequence numbers are sequentially numbered according to the generation sequence of the periodic time sequence data;
and the engine remote control terminal receives and analyzes the periodic time sequence data, and checks whether the periodic time sequence data is lost or not based on all the received periodic time sequence data.
Optionally, the checking whether the periodic time series data is lost based on all the received periodic time series data includes:
analyzing all the periodic time sequence data to obtain a time sequence number;
when the time sequence numbers received by the remote control terminal are continuous according to a preset rule, judging that the periodic time sequence data are not lost;
and when the time sequence number received by the remote control terminal is discontinuous according to a preset rule, judging that the periodic time sequence data is lost.
Optionally, the core control terminal analyzes the time sequence binding instruction, controls the engine to execute the operation instruction according to the ignition control time sequence, receives the engine state information for multiple times, packages the received engine state information, the corresponding time sequence mark and the time sequence number into periodic time sequence data, and then sends the periodic time sequence data to the remote control terminal, and the method includes:
the core control terminal analyzes the time sequence binding instruction;
controlling the engine to execute an operation instruction according to an ignition control time sequence and continuously waiting for an interrupt signal;
and when the interrupt signal is received, receiving the engine state information, packaging the time sequence mark, the time sequence number and the engine state information into periodic time sequence data, and then sending the periodic time sequence data to the remote control terminal.
The present disclosure also provides a readable storage medium having executable instructions thereon, which when executed, cause a computer to perform the steps of the above-described engine remote ignition data troubleshooting method.
Optionally, the executable instructions are compiled based on a Qt platform, and the receiving timing mark is graphically drawn as an X-axis and the timing number is graphically drawn as a Y-axis based on a QCustomPlot component.
The rocket engine remote control terminal comprises an ignition control time sequence when sending a time sequence binding instruction to a core control terminal, the core control terminal generates a time sequence mark according to the ignition control time sequence when controlling the action of an engine according to the ignition control time sequence, simultaneously generates a time sequence number, packs the time sequence mark, the time sequence number and the state information of the action of the engine together to be used as periodic time sequence data and sends the periodic time sequence data to the remote control terminal, and after analyzing the time sequence mark and the time sequence number in the periodic time sequence data, the remote control terminal can know which ignition control time sequence each group of data corresponds to by analyzing all the time sequence marks and/or the time sequence numbers, conveniently identifies whether the time sequence mark or the time sequence number is missing, and can judge that the missing time sequence mark or the state information of the action of the engine corresponding to the time sequence order is lost.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.
FIG. 1 is a schematic view of a rocket engine remote ignition device according to the present disclosure;
FIG. 2 is a data schematic diagram of a remote control ignition device of a rocket engine according to the present disclosure;
FIG. 3 is a method schematic of a method of engine remote ignition data troubleshooting in accordance with the present disclosure;
FIG. 4 is a flow chart of a method of remotely controlling engine ignition data in the present disclosure.
Detailed Description
The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant matter and not restrictive of the disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
When the engine is controlled at a far end, a remote control ignition terminal and an ignition core control end are needed, the remote control ignition terminal is arranged at a far position and can send a control instruction to the ignition core control end, the ignition core control end controls the engine to act according to the control instruction and collects various state information when the engine acts, and the ignition core control end can also send the state information of the engine back to the remote control ignition terminal.
Referring to fig. 1 and 2, the disclosure provides a remote control ignition device of a rocket engine, which comprises a remote control terminal a and a core control terminal B which are connected with each other in a wired or wireless manner;
the remote control terminal A is used for sending a non-periodic instruction or a time sequence binding instruction to the core control terminal B, receiving and analyzing periodic time sequence data, and checking whether the periodic time sequence data is lost or not based on all the received periodic time sequence data;
the aperiodic command is used for storing preparation action commands before the engine works, such as aperiodic operations of communication interface inspection, self-inspection, file state initialization, variable initialization, time sequence parameter binding and the like; the time sequence binding instruction is used for storing an operation instruction and an ignition control time sequence when the engine works; the time sequence binding instruction can comprise a plurality of operation instructions and ignition control time sequences corresponding to the instructions; for example, the time-series binding instruction may be a plurality of operation commands, and the ignition control timing is an operation time of each operation command; for another example, the plurality of operation instructions may be sequentially set according to a fixed format, the operation time of each operation instruction is fixed, the core control terminal can sequentially operate the engine according to each operation instruction after receiving the command, and each command may also execute a preset fixed duration.
The core control terminal B is connected with the remote control terminal A and is used for receiving the non-periodic instruction or the time sequence binding instruction, controlling the engine to execute the corresponding instruction based on the non-periodic instruction or the time sequence binding instruction, receiving the engine state information for multiple times, packaging the received engine state information, the corresponding time sequence mark and the time sequence number into periodic time sequence data, and then sending the periodic time sequence data to the remote control terminal A;
the time sequence marks in the periodic time sequence data correspond to ignition control time sequences in time sequence binding instructions, and the time sequence numbers are sequentially numbered according to the generation sequence of the periodic time sequence data.
The timing marks are timing marks of the engine for executing the timing binding commands, and the timing marks may correspond to the ignition control timings one by one, for example, the timing marks may be obtained based on the ignition control timings, and for example, the timing marks may also be numbered sequentially according to the execution order of the commands.
The time series numbers are sequentially numbered according to the generation order of the periodic time series data, and may be 1, 2, 3, 4, 10010, 10020, 10030, or the like, for example.
The non-periodic instruction can be firstly sent to the core control terminal B and is used for the engine control part to carry out self-checking and other operations, after the engine self-checking is finished and an instruction is returned to the core control terminal B, the remote control terminal A can send a time sequence binding instruction to the core control terminal B, the core control terminal B operates the engine to ignite according to the time sequence binding instruction, and the engine state information when the engine executes various ignition operations is collected.
The remote control terminal A of the rocket engine comprises an ignition control time sequence when sending a time sequence binding instruction to a core control terminal B, the core control terminal B generates a time sequence mark according to the ignition control time sequence when controlling the action of the engine according to the ignition control time sequence, simultaneously generates a time sequence number, packages the time sequence mark, the time sequence number and the state information of the action of the engine as periodic time sequence data and sends the periodic time sequence data to the remote control terminal A, and after analyzing the time sequence mark and the time sequence number in the periodic time sequence data, the remote control terminal A can know which ignition control time sequence each group of data corresponds to by analyzing all the time sequence marks and/or the time sequence numbers, conveniently identifies whether the time sequence mark or the time sequence number is missing, and can judge that the state information of the action of the engine corresponding to the missing time sequence mark or the time sequence order is lost.
In a specific embodiment, the remote control terminal a is used for remotely controlling the ignition of the engine and can receive status information during the ignition process of the engine, and comprises a command sending module 11 and a data receiving and analyzing module 12, wherein the command sending module 11 and the data receiving and analyzing module 12 are both connected with a control module 13.
A command sending module 11, configured to send a non-periodic command or a time-series stapling command to the core control terminal B;
the data receiving and analyzing module 12 is configured to receive and analyze periodic time series data;
the data checking module 14 can check whether the periodic time series data is lost or not based on the received time series mark and the time series number in the received periodic time series data.
After the core control terminal B operates the engine to execute the ignition step according to the time sequence binding instruction, the state information of the engine is combined with the sending time sequence mark to be packed and sent to the data receiving and analyzing module 12 of the rocket engine remote control ignition device, the data receiving and analyzing module 12 analyzes the state information of the engine during ignition and can analyze a receiving time sequence mark corresponding to the state information, and the data checking module 14 can conveniently know whether the missing receiving time sequence mark exists or not by analyzing the receiving time sequence mark; if there is a missing receive timing tag, then there is data loss, and if there is no missing receive timing tag, then there is no data loss. The device can solve the problem that the real-time data of the traditional engine gas ignition is lost and is difficult to check.
In another embodiment, the remote control terminal a further includes a drawing module 15, and the drawing module 15 is configured to draw a relational graph based on the receiving timing mark and the corresponding timing number. For example, the drawing module 15 can draw by using the time sequence mark as an X axis and the time sequence number as a Y axis, so that a user can quickly and intuitively see whether data is lost, and the problem that the real-time data loss of the conventional engine gas ignition is difficult to check can be solved.
The remote control ignition device of the rocket engine in the disclosure can be developed based on a Qt platform, performs graphic drawing based on a QCustomPlut component, generates configuration of aperiodic instructions or time sequence binding instructions in a self-defined mode based on an XML tree structure, and numbering frame by frame for preventing large-scale real-time periodic data interference, and is used for a technical route of a remote control ignition terminal of a variable thrust electric engine gas generator.
In a specific embodiment, the core control terminal B includes an information transceiver module 21, an engine control module 22 and a data receiving and analyzing module 23, where the connection between the engine control module 22 and the data receiving and analyzing module 23 and the information transceiver module 21 includes:
the information transceiving module 21 is configured to receive a non-periodic instruction or a time sequence stapling instruction sent by the remote control terminal, and send periodic time sequence data to the remote control terminal;
the engine control module 22 is connected with the information transceiving module and is used for controlling the engine to execute corresponding instructions based on non-periodic instructions or time-series binding instructions; and binding according to the time sequence parameters, and carrying out appointed valve operation at corresponding time to realize the trial run of the engine.
And the data receiving and analyzing module 23 is connected with the information transceiving module and is used for receiving the engine state information for multiple times, packaging the received engine state information, the corresponding time sequence mark and the time sequence number into periodic time sequence data and then sending the periodic time sequence data to the information transceiving module.
The engine state information may be received during execution of each of the operation commands or may be received during each of the interrupt periods corresponding to each of the operation commands.
In another embodiment, the engine core control terminal further comprises an interrupt module 24, wherein the interrupt module 24 is connected with the data receiving and analyzing module 23, and sends an interrupt signal to the data receiving and analyzing module at preset time intervals; the execution time of each of the time-series binding instructions may be 100 interrupt cycles, 200 interrupt cycles, or the like, and each interrupt cycle may be set to 10S, 15S, 30S, or the like.
The data receiving and analyzing module 23 receives the interrupt signal each time and then executes receiving of the engine state information, packages the timing sequence mark, the timing sequence number and the engine state information into periodic timing sequence data, and sends the periodic timing sequence data to the information transceiving module. The time sequence operation control is realized by adopting an interrupt mode, the action time sequence operation priority of the data receiving and analyzing module 23 is high, and resources are prevented from being occupied by other tasks.
The interrupt cycle can be carried by the time sequence binding instruction, the time sequence binding instruction can set the interrupt cycle number of each operation instruction, and the interrupt cycle for acquiring the received engine state information can also be set.
The engine core control terminal B in the disclosure has high requirement on control precision, is accurate to the ms level, can adopt a multi-core digital signal processor, such as a multi-core digital signal processor FT-Q6713J/500R, is internally provided with 4 DSP cores with main frequency of 500MHz, has high reliability and high time control precision, can be accurate to the us level, meets the design algorithm, replaces the traditional Windows ecology, and can reach the ms precision level.
Referring to fig. 3 and 4, the present disclosure further provides an engine remote control ignition data checking method, including:
s1, an engine remote control terminal A sends an aperiodic instruction to a core control terminal B, wherein the aperiodic instruction is used for storing a preparation action instruction before the engine works; the method is used for controlling non-periodic operations such as engine communication interface inspection, self-inspection, file state initialization, variable initialization, time sequence parameter binding and the like. And when the engine finishes the operation of the non-periodic command, sending the command back to the engine remote control terminal B.
S2, the core control terminal B controls the engine to execute a preparation action instruction, and sends a preparation action return instruction to the remote control terminal A after the preparation action instruction is finished;
s3, after the engine remote control terminal A receives a preparation action return command of the core control terminal B, the engine remote control terminal A sends a time sequence binding command to the core control terminal B, and the time sequence binding command is used for storing an operation command and an ignition control time sequence when the engine works;
the time-series binding instruction may include a plurality of sets of instruction contents and an execution time of each instruction; for example, the instruction content may be a yaw oscillation, a circular oscillation, and other specific operation instructions, the execution time of the instruction may be 100 interrupt cycles, 200 interrupt cycles, and other specific operation instructions, and each interrupt cycle may be set to 10S, 15S, 30S, and other specific operation instructions, or may be set as needed. After receiving the time sequence binding instruction, the core control terminal B performs an ignition operation of the transmitter according to the time sequence binding instruction, for example, the engine performs yaw oscillation for 100 interrupt cycles, and for example, the engine performs circumferential oscillation for 200 interrupt cycles; when the time-series binding instruction has a plurality of groups of instruction contents and the execution time of each instruction, the engine executes each instruction in turn according to the execution time.
S4, the core control terminal B analyzes the time sequence binding instruction, controls the engine to execute an operation instruction according to an ignition control time sequence, receives the engine state information for multiple times, packages the received engine state information, the corresponding time sequence mark and the time sequence number into periodic time sequence data, and sends the periodic time sequence data to the remote control terminal A; the time sequence marks in the periodic time sequence data correspond to ignition control time sequences in time sequence binding commands, and the time sequence numbers are sequentially numbered according to the generation sequence of the periodic time sequence data.
When the engine executes the time sequence binding instruction, the engine can pack the state information, the time sequence marks and the time sequence numbers of the engine at any time or at intervals, and the packed periodic time sequence data is sent to the engine remote control terminal. The state information of the engine can be information such as a sensor state, a valve state, an ignition state, time consumption and the like when the engine executes a command; the time sequence mark in the periodic time sequence data sent by the core control terminal B is a sending time sequence mark, the sending time sequence mark is a time sequence mark for the engine to execute a time sequence binding instruction, the sending time sequence mark may be in one-to-one correspondence with the ignition control time sequence, for example, the sending time sequence mark may be obtained based on the ignition control time sequence, and for example, the sending time sequence mark may also be numbered sequentially according to the execution sequence of the instruction.
In a preferred embodiment, the instructions may be executed by way of interrupt control,
the core control terminal B analyzes the time sequence binding instruction;
controlling the engine to execute an operation instruction according to an ignition control time sequence and continuously waiting for an interrupt signal;
and when the interrupt signal is received, receiving the engine state information, packaging the time sequence mark, the time sequence number and the engine state information into periodic time sequence data, and then sending the periodic time sequence data to the outside.
For example, the engine can package the engine state information, the timing mark and the timing number every time the engine receives the interrupt signal, and the packaged periodic timing data is sent to the engine remote control terminal. The time sequence operation control is realized by adopting an interrupt mode, the action time sequence operation priority of the data receiving and analyzing module 23 is high, and resources are prevented from being occupied by other tasks.
And S5, the engine remote control terminal A receives and analyzes the periodic time sequence data, and whether the periodic time sequence data is lost or not is checked on the basis of all the received periodic time sequence data.
When the engine remote control terminal A finds that the timing sequence mark or the timing sequence number is absent after analyzing the periodic timing sequence data, the engine state information data loss of the ignition control timing sequence corresponding instruction can be known according to the absent timing sequence mark and the absent timing sequence number, and finally the data loss corresponding to which instruction can be positioned.
In some embodiments, in step S5, the specific method for determining whether the periodic time series data is lost may include:
the engine remote control terminal A analyzes all the periodic time sequence data to obtain a time sequence number;
when the time sequence numbers received by the remote control terminal A are continuous according to a preset rule, judging that the periodic time sequence data are not lost; for example, the number of the sequence after the permutation sequence number is 1, 2, 3, 4 \8230 \ 8230:, and if there is no loss, it is determined that the periodic sequence data is not lost.
And when the time sequence number received by the remote control terminal A is discontinuous according to a preset rule, judging that the periodic time sequence data is lost. For example, the numbers of the sequences after the permutation sequence number are 10010, 10020, 10040 \8230, and in the absence of 10030, it is determined that the periodic sequence data with the sequence number of 10030 is lost, and the remote control terminal a cannot receive the periodic sequence data although the core control terminal has transmitted the periodic sequence data.
In another embodiment, in step S5, the specific method for determining whether the periodic time series data is lost may further include:
s401, arranging corresponding time sequence numbers according to the sequence of the received time sequence marks, wherein the step can be judged by a system, and the time sequence marks can be used as an X axis and the time sequence numbers can be used as a Y axis by a display terminal for drawing, so that an operator can conveniently check the time sequence numbers;
s402, when the time sequence number is continuous according to a preset rule, judging that the periodic time sequence data is not lost;
and when the time sequence number is discontinuous according to a preset rule, judging that the periodic time sequence data is lost.
By the method, whether the periodic time sequence data are lost or not can be conveniently judged.
In another embodiment, the time sequence binding instruction is bound based on an interrupt cycle, so that an engine control end can conveniently control an engine to execute the instruction according to an interrupt mode, and the risk that CPU resource time slices are occupied is avoided. Optionally, the time-series binding instruction is configured through an XML tree structure, and the remote control terminal generates the software configuration item through XML self-definition, so that the portability is good.
The XML configuration file may be configured in the following manner.
The ignition remote control terminal of the variable thrust electric engine gas generator is in a position as a top menu item and comprises a plurality of state modes, and under each state mode, a plurality of inspection classifications are included, and a plurality of different configuration item tests are arranged below each classification. The XML tree structure is configured in conjunction with business requirements.
The present disclosure also provides a readable storage medium having executable instructions thereon, which when executed, cause a computer to perform the steps of the engine remote ignition data troubleshooting method described above. The computer readable storage medium may be: an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system or propagation medium. The computer-readable storage medium may also include a semiconductor or solid state memory, magnetic tape, a removable computer diskette, a Random Access Memory (RAM), a read-only memory (ROM), a rigid magnetic disk and an optical disk. Optical disks may include compact disk-read only memory (CD-ROM), compact disk-read/write (CD-RW), and DVD.
Optionally, the executable instructions are based on a Qt platform, and the receiving timing mark is plotted as an X-axis and the timing number is plotted as a Y-axis based on a QCustomPlot component.
The method for designing the ignition remote control terminal of the liquid rocket variable-thrust electric engine gas generator separates the control core service from the graphical interface, and solves the problem of poor transportability of the traditional engine gas ignition.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/modes or examples and features of the various embodiments/modes or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.
Claims (10)
1. A remote control ignition device of a rocket engine is characterized by comprising:
the remote control terminal is used for sending a non-periodic instruction or a time sequence binding instruction to the core control terminal, receiving and analyzing periodic time sequence data, and checking whether the periodic time sequence data is lost or not based on all the received periodic time sequence data; the non-periodic instruction is used for storing a preparation action instruction before the engine works, and the time sequence binding instruction is used for storing an operation instruction and an ignition control time sequence when the engine works;
the core control terminal is connected with the remote control terminal and used for receiving the non-periodic instruction or the time sequence binding instruction, controlling the engine to execute the corresponding instruction based on the non-periodic instruction or the time sequence binding instruction, receiving the engine state information for multiple times, packaging the received engine state information, the corresponding time sequence mark and the time sequence number into periodic time sequence data, and then sending the periodic time sequence data to the remote control terminal;
the time sequence marks in the periodic time sequence data correspond to ignition control time sequences in time sequence binding instructions, and the time sequence numbers are sequentially numbered according to the generation sequence of the periodic time sequence data.
2. A rocket engine remote ignition device as recited in claim 1, wherein said remote terminal comprises:
the command sending module is connected with the control module and used for sending a non-periodic command or a time sequence binding command to the core control terminal;
the data receiving and analyzing module is connected with the control module and used for receiving and analyzing the periodic time sequence data;
and the data checking module is connected with the control module and can check whether the periodic time sequence data is lost or not based on the received time sequence mark and the received time sequence number in the periodic time sequence data.
3. A rocket engine remote ignition device as recited in claim 2, wherein said remote terminal further comprises:
and the drawing module is connected with the control module and used for drawing a relational graph based on the received time sequence mark and the corresponding time sequence number.
4. A rocket engine remote control ignition device as recited in claim 1, wherein said core control terminal comprises:
the information transceiving module is used for receiving the non-periodic instruction or the time sequence binding instruction sent by the remote control terminal and sending periodic time sequence data to the remote control terminal;
the engine control module is connected with the information transceiving module and is used for controlling the engine to execute corresponding instructions based on non-periodic instructions or time sequence binding instructions;
and the data receiving and analyzing module is connected with the information transceiving module and is used for receiving the engine state information for multiple times, packaging the received engine state information, the corresponding time sequence mark and the time sequence number into periodic time sequence data and then sending the periodic time sequence data to the information transceiving module.
5. A rocket engine remote control ignition device as recited in claim 1, wherein said core control terminal further comprises:
the interrupt module is connected with the data receiving and analyzing module and sends an interrupt signal to the data receiving and analyzing module at intervals of preset time;
and the data receiving and analyzing module receives the engine state information after receiving the interrupt signal every time, packages the time sequence mark and the engine state information into periodic time sequence data and sends the periodic time sequence data to the information transceiving module.
6. An engine remote control ignition data checking method is characterized by comprising the following steps:
the remote control terminal sends a non-periodic instruction to the core control terminal, wherein the non-periodic instruction is used for storing a preparation action instruction before the engine works;
the core control terminal controls the engine to execute a preparation action instruction, and sends a preparation action return instruction to the remote control terminal after the preparation action instruction is completed;
after receiving the back command of the approved standby action, the remote control terminal sends a time sequence binding command to the core control terminal, wherein the time sequence binding command is used for storing an operation command and an ignition control time sequence when the engine works;
the core control terminal analyzes the time sequence binding instruction, controls the engine to execute an operation instruction according to an ignition control time sequence, receives the engine state information for multiple times, packages the received engine state information, the corresponding time sequence mark and the time sequence number into periodic time sequence data, and then sends the periodic time sequence data to the remote control terminal; the time sequence marks in the periodic time sequence data correspond to ignition control time sequences in time sequence binding instructions, and the time sequence numbers are sequentially numbered according to the generation sequence of the periodic time sequence data;
and the engine remote control terminal receives and analyzes the periodic time sequence data, and checks whether the periodic time sequence data is lost or not based on all the received periodic time sequence data.
7. The method for checking engine remote ignition data according to claim 6, wherein checking whether periodic time series data is lost based on all the received periodic time series data comprises:
analyzing all the periodic time sequence data to obtain a time sequence number;
when the time sequence numbers received by the remote control terminal are continuous according to a preset rule, judging that the periodic time sequence data are not lost;
and when the time sequence number received by the remote control terminal is discontinuous according to a preset rule, judging that the periodic time sequence data is lost.
8. The method for checking the ignition data of the engine remotely controlled according to claim 6, wherein the core control terminal analyzes the time sequence binding command, controls the engine to execute the operation command according to the ignition control time sequence, receives the engine state information for a plurality of times, packages the received engine state information, the corresponding time sequence mark and the time sequence number into periodic time sequence data, and then sends the periodic time sequence data to the remotely controlled terminal, and the method comprises the following steps:
the core control terminal analyzes the time sequence binding instruction;
controlling the engine to execute an operation instruction according to an ignition control time sequence and continuously waiting for an interrupt signal;
and when the interrupt signal is received, receiving the engine state information, packaging the time sequence mark, the time sequence number and the engine state information into periodic time sequence data, and then sending the periodic time sequence data to the remote control terminal.
9. A readable storage medium having executable instructions thereon, which when executed, cause a computer to perform the steps of the engine remote ignition data troubleshooting method of any one of claims 6-8.
10. The readable storage medium of claim 9 wherein the executable instructions are compiled based on a Qt platform and the QCustomPlot component graphically plots the receive timing marker as an X-axis and the timing number as a Y-axis.
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| CN202210962577.5A CN115306591A (en) | 2022-08-11 | 2022-08-11 | Remote control ignition device of rocket engine and remote control ignition data checking method |
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