CN115950314A - Liquid carrier rocket test bed measurement and control system based on high-reliability communication protocol - Google Patents
Liquid carrier rocket test bed measurement and control system based on high-reliability communication protocol Download PDFInfo
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- CN115950314A CN115950314A CN202211640173.0A CN202211640173A CN115950314A CN 115950314 A CN115950314 A CN 115950314A CN 202211640173 A CN202211640173 A CN 202211640173A CN 115950314 A CN115950314 A CN 115950314A
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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
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- 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
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Abstract
The invention discloses a liquid carrier rocket test bed measurement and control system based on a high-reliability communication protocol, which comprises a sensor sensing system, a valve and initiating explosive device control system, a high-precision time sequence control system, a time sequence and slow variable data acquisition system and a main control platform system, wherein the valve and initiating explosive device control system is connected with the sensor sensing system through a network; the sensor sensing system is used for collecting parameter information of the test run process; the time sequence and delay data acquisition system is used for collecting parameter information acquired by the sensor sensing system; the system is also used for collecting the time sequence output information of the high-precision time sequence control system and transmitting the time sequence output information to the main control platform system; the high-precision time sequence control system is communicated with the main control platform system through a high-reliability communication protocol; the valve and initiating explosive device control system is used for controlling the output of the system according to the high-precision time sequence. The invention can effectively meet the requirements of accuracy, timeliness, flexibility and reliability of time sequence control and closed loop control under a large-scale distributed measurement and control scene.
Description
Technical Field
The invention relates to the technical field of test bed management, in particular to a liquid carrier rocket test bed measurement and control system based on a high-reliability communication protocol.
Background
The liquid carrier rocket engine test is a key link in the carrier rocket development process, and front-end time sequence control equipment is required to have enough flexibility, accuracy, timeliness and reliability in the process of providing test run service for various engines. Therefore, a reliable test bed measurement and control system of the liquid carrier rocket engine needs to be designed.
Disclosure of Invention
The invention aims to effectively meet the requirements of accuracy, timeliness, flexibility and reliability of time sequence control and closed-loop control under a large-scale distributed measurement and control scene.
In order to achieve the aim, the invention provides a liquid carrier rocket test bed measurement and control system based on a high-reliability communication protocol, which comprises a sensor sensing system, a valve and initiating explosive device control system, a high-precision time sequence control system, a time sequence and slow data acquisition system and a main control platform system;
the sensor perception system is used for collecting parameter information of a test run process;
the time sequence and slow variable data acquisition system is used for collecting parameter information acquired by the sensor sensing system and transmitting the parameter information to the high-precision time sequence control system and the master control platform system; the system is also used for collecting the time sequence output information of the high-precision time sequence control system and transmitting the time sequence output information to the master control platform system;
the high-precision time sequence control system is communicated with the main control platform system through a high-reliability communication protocol, receives a downloading time sequence instruction group and triggers a time sequence instruction according to an ignition signal;
and the valve and the initiating explosive device control system are used for executing test run according to the output of the high-precision time sequence control system.
Further, the parameter information includes: temperature, pressure, liquid level, flow, heat flow, vibration, noise, impact.
Further, the performing the test run comprises: at least one of ignition, liquid supply control, gas supply control, emergency power off and emergency shutdown.
Furthermore, a plurality of logic control units are embedded in the high-precision time sequence control system and used for completing closed-loop control of liquid supply and gas supply according to feedback of the parameter information.
Furthermore, the high-precision time sequence control system is also provided with a precise time system, and can output signals with precise time length according to the requirement of precise time intervals.
Further, the sensor sensing system selects the sensor according to at least one factor of measuring range, response frequency, mechanical interface and environment of each measuring point.
Furthermore, a reverse electromotive force release circuit and a current-limiting resistor protection circuit are arranged in the valve and the initiating explosive device control system.
Furthermore, the valve and initiating explosive device control system is also provided with initiating explosive devices and valve combination logic for realization.
Furthermore, a switch valve and an opening valve are further arranged in the valve and the initiating explosive device control system.
Furthermore, the master control platform system is used for setting an adaptive time sequence instruction logic set for each specific test run process by a user.
Compared with the prior art, the invention has the following beneficial effects by adopting the technical scheme:
according to the invention, a plurality of logic control units are embedded in the high-precision time sequence control system, so that closed-loop control of liquid supply and gas supply can be completed according to feedback of parameter information, namely, each parameter index can be monitored in real time, at least one operation of pressure compensation and release, temperature regulation and control and flow control can be provided in time, the test run can be performed orderly and stably, and the requirements of accuracy, timeliness, flexibility and reliability of time sequence control and closed-loop control under a large-scale distributed measurement and control scene can be effectively met;
in addition, a high-reliability communication protocol between the main control platform system and the high-precision time sequence control system is utilized, and a time sequence control logic instruction group is downloaded in real time according to different engine and different test run differentiation requirements, so that high-precision and high-accuracy real-time control is completed.
Drawings
Fig. 1 is a relational diagram of a high-precision time sequence control system and a main control platform system of a liquid carrier rocket test bed measurement and control system based on a high-reliability communication protocol in an embodiment of the invention;
fig. 2 is a system block diagram of a test bed measurement and control system of a liquid carrier rocket based on a high-reliability communication protocol in an embodiment of the invention;
Detailed Description
The liquid launch vehicle test bed measurement and control system of the present invention based on a highly reliable communication protocol is described in more detail below with reference to schematic drawings, in which preferred embodiments of the present invention are shown, it being understood that a person skilled in the art may modify the invention described herein while still achieving the advantageous effects of the invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.
The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
As shown in fig. 1 and fig. 2, the present embodiment provides a liquid carrier rocket test bed measurement and control system based on a highly reliable communication protocol, which includes a sensor sensing system, a valve and initiating explosive device control system, a high-precision time sequence control system, a time sequence and slow data acquisition system, and a main control platform system.
Specifically, the sensor sensing system is configured to collect parameter information of a commissioning process, where the parameter information includes: temperature, pressure, liquid level, flow, heat flow, vibration, noise, impact.
In the embodiment, the sensor sensing system has the following specific aspects: on one hand, the sensor sensing system selects a sensor according to at least one factor of the measuring range, the response frequency, the mechanical interface and the environment of each measuring point; on the other hand, the sensor sensing system can establish a cutting distributed sensor system, each sensor is distributed with a fixed ID, and information is transmitted to the time sequence and slow data acquisition system through a Bluetooth signal; moreover, the power supply of the sensor is completed by a self-contained battery, and the battery state is reported together with the sensor signal; and the distributed sensor receives the broadcast time-setting information sent by the time sequence and slow data acquisition system and performs time-setting calibration.
In addition, in this embodiment, the time-series and slow-variable data acquisition system is configured to collect parameter information acquired by the sensor sensing system, and is capable of performing digital processing, and performing framing and storage according to a fixed format; transmitting the parameter information to the high-precision time sequence control system and the master control platform system; and the system is also used for acquiring the time sequence output information of the high-precision time sequence control system, transmitting the time sequence output information to the main control platform system and performing temporary control or emergency control.
As a preferred embodiment, the high-precision time sequence control system is also provided with a precise time system, and can output signals with precise time length according to the requirement of precise time intervals. The system is communicated with the main control platform system through a high-reliability communication protocol, receives a downloading time sequence instruction group, triggers a time sequence instruction according to an ignition signal, can download a time sequence control logic instruction group in real time according to different engines and different requirements of different test runs, and completes real-time control with high precision and high accuracy; moreover, a plurality of logic control units are embedded in the high-precision time sequence control system and used for completing closed-loop control of liquid supply and gas supply according to feedback of the parameter information, monitoring each parameter index in real time, providing operation of at least one of pressure compensation and release, temperature regulation and control and flow control in time, ensuring that test run is carried out orderly and stably, and effectively meeting the requirements of accuracy, timeliness, flexibility and reliability of time sequence control and closed-loop control under a large-scale distributed measurement and control scene; meanwhile, the time sequence and slowly-varying data acquisition system can provide decision basis for a logic control unit in the high-precision time sequence control system.
In another embodiment, the main control platform system provides an open interface for the user to set an adaptive time sequence instruction logic group for each specific test run process; and transmitting the time sequence instruction logic group appointed by the user to a high-precision time sequence control system according to a high-reliability communication protocol.
In addition, the valve and the initiating explosive device control system are used for executing test run according to the output of the high-precision time sequence control system. Specifically, a reverse electromotive force release circuit and a current-limiting resistor protection circuit are arranged in the valve and the initiating explosive device control system; according to the control requirements of liquid supply and gas supply in the test run process, a switch valve and an opening valve are further arranged; and an initiating explosive device and a valve are arranged according to the requirements of ignition, emergency shutdown and emergency power-off in the test run process for realizing logic combination so as to receive the output control of a high-precision time sequence control system.
In the embodiment, firstly, in the test run process, the sensor sensing system collects parameter information of the test run process, and then transmits the parameter information to the time sequence and slowly-varying data acquisition system through a bluetooth signal, the time sequence and slowly-varying data acquisition system provides information input for the high-precision time sequence control system and the main control platform system, and the time sequence and slowly-varying data acquisition system synchronously acquires time sequence output information of the high-precision time sequence control system and transmits the time sequence output information to the main control platform system; the master control platform system starts to send a real-time downloading instruction group request to the high-precision time sequence control system, the high-precision time sequence control system feeds back the real-time downloading instruction group request to the master control platform system to judge whether the real-time downloading instruction group request is consistent or not, after the consistency is confirmed, the time sequence instruction is triggered according to an ignition signal, and finally the valve and the initiating explosive device control system start to execute a test run according to the output of the high-precision time sequence control system.
In summary, the liquid carrier rocket test bed measurement and control system based on the high-reliability communication protocol provided by the invention has the following advantages:
according to the invention, a plurality of logic control units are embedded in the high-precision time sequence control system, so that closed-loop control of liquid supply and gas supply can be completed according to feedback of parameter information, namely, each parameter index can be monitored in real time, at least one operation of pressure compensation and release, temperature regulation and control and flow control can be provided in time, the test run can be carried out orderly and stably, and the requirements of accuracy, timeliness, flexibility and reliability of time sequence control and closed-loop control under a large-scale distributed measurement and control scene can be effectively met;
in addition, a high-reliability communication protocol between the main control platform system and the high-precision time sequence control system is utilized, and a time sequence control logic instruction group is downloaded in real time according to different engine and different test run differentiation requirements, so that high-precision and high-accuracy real-time control is completed.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A liquid carrier rocket test bed measurement and control system based on a high-reliability communication protocol is characterized by comprising a sensor sensing system, a valve and initiating explosive device control system, a high-precision time sequence control system, a time sequence and slow data acquisition system and a main control platform system;
the sensor perception system is used for collecting parameter information of a test run process;
the time sequence and slow variable data acquisition system is used for collecting parameter information acquired by the sensor sensing system and transmitting the parameter information to the high-precision time sequence control system and the master control platform system; the system is also used for collecting the time sequence output information of the high-precision time sequence control system and transmitting the time sequence output information to the master control platform system;
the high-precision time sequence control system is communicated with the main control platform system through a high-reliability communication protocol, receives a downloading time sequence instruction group and triggers a time sequence instruction according to an ignition signal;
and the valve and the initiating explosive device control system are used for executing test run according to the output of the high-precision time sequence control system.
2. The high-reliability communication protocol-based liquid launch vehicle test bed measurement and control system of claim 1, wherein the parameter information comprises: temperature, pressure, liquid level, flow, heat flow, vibration, noise, impact.
3. The high-reliability communication protocol-based liquid launch vehicle test bed instrumentation system of claim 1, wherein said performing a test run comprises: at least one of ignition, liquid supply control, gas supply control, emergency power off and emergency shutdown.
4. The high-reliability communication protocol-based liquid carrier rocket test bed measurement and control system of claim 1, wherein a plurality of logic control units are embedded in the high-precision time sequence control system, and are used for completing closed-loop control of liquid supply and gas supply according to the feedback of the parameter information.
5. The high-reliability communication protocol-based liquid carrier rocket test bed measurement and control system of claim 4, wherein the high-precision time sequence control system is further provided with a precise time system capable of outputting signals with precise time length according to the requirement of precise time intervals.
6. The high reliability communication protocol based liquid carrier rocket test bed measurement and control system as claimed in claim 1, wherein the sensor sensing system selects sensors according to at least one factor of range, response frequency, mechanical interface, environment of each measuring point.
7. The high-reliability communication protocol-based liquid carrier rocket test bed measurement and control system of claim 1, wherein a back electromotive force relief circuit and a current-limiting resistor protection circuit are arranged in the valve and the initiating explosive device control system.
8. The high-reliability communication protocol-based liquid carrier rocket test bed measurement and control system of claim 7, wherein the valve and initiating explosive device control system is further provided with initiating explosive devices and valve combination logic implementation.
9. The high-reliability communication protocol-based liquid carrier rocket test bed measurement and control system of claim 8, wherein the valve and initiating explosive device control system is further provided with a switch valve and an opening valve.
10. The high-reliability communication protocol-based liquid carrier rocket test bed measurement and control system of claim 1, wherein the main control platform system is provided for a user to set an adaptive sequential instruction logic set for each specific test run process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211640173.0A CN115950314A (en) | 2022-12-20 | 2022-12-20 | Liquid carrier rocket test bed measurement and control system based on high-reliability communication protocol |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211640173.0A CN115950314A (en) | 2022-12-20 | 2022-12-20 | Liquid carrier rocket test bed measurement and control system based on high-reliability communication protocol |
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| CN115950314A true CN115950314A (en) | 2023-04-11 |
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| CN202211640173.0A Pending CN115950314A (en) | 2022-12-20 | 2022-12-20 | Liquid carrier rocket test bed measurement and control system based on high-reliability communication protocol |
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