CN110750054A - Small semi-physical intelligent universal simulation platform and method for electric steering engine - Google Patents
Small semi-physical intelligent universal simulation platform and method for electric steering engine Download PDFInfo
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- CN110750054A CN110750054A CN201911037168.9A CN201911037168A CN110750054A CN 110750054 A CN110750054 A CN 110750054A CN 201911037168 A CN201911037168 A CN 201911037168A CN 110750054 A CN110750054 A CN 110750054A
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- 238000012360 testing method Methods 0.000 claims abstract description 101
- 238000005259 measurement Methods 0.000 claims abstract description 33
- 230000003068 static effect Effects 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 claims description 3
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B17/00—Systems involving the use of models or simulators of said systems
- G05B17/02—Systems involving the use of models or simulators of said systems electric
Abstract
The utility model relates to a small-size semi-physical intelligent universal simulation platform and a method for an electric steering engine, wherein the platform comprises: measurement and control combination and test computer, measurement and control combination includes: the machine case set up communication board, primary linear power, digital panel table, communication converter and test cable interface in the machine case, the primary linear power is connected with digital panel table, communication board and test cable interface, the communication board adopts DSP + FPGA communication control module, the combination of observing and controling passes through communication converter and connects test computer. The invention has the advantages that: the realization is simple, adopts the modularized design, and the structure, the function of each subassembly are independent, the dismouting and the maintenance of being convenient for. The measurement and control combined assembly is installed in a portable case, is small in size, light in weight, convenient to carry and carry, high in automation degree and simple to operate, and has the functions of uploading software and updating control parameters on line.
Description
Technical Field
The invention relates to a small semi-physical intelligent universal simulation platform and method for an electric steering engine.
Background
The electric steering engine has the characteristics of high reliability, long working time, small volume, high power-to-quality ratio, single energy source, excellent storage property, testability, maintainability and the like, and is widely applied to various weapon systems. The test sufficiency before delivery and the debugging convenience after loading are important indexes of each test device. Because the semi-physical simulation technology is to insert some physical objects into a computer simulation loop for testing, the test result is closer to the actual situation, the semi-physical simulation platform has the advantages of good real-time performance and the like, can simulate real industrial control and improve the product development quality, and becomes an indispensable component of the electric steering engine test.
The technical scheme adopted by the existing semi-physical simulation platform of the electric steering engine is a mode of testing a computer, a measurement and control combination and a cable, and the difference is only in the composition and the integration level of the measurement and control combination. A communication board in a test computer and measurement and control combination is a control and communication center of a whole semi-physical simulation platform and is mainly used for dynamic and static rudder deflection angle control function simulation, performance test and the like. The defects of the existing semi-physical simulation platform are mainly shown in the following aspects:
(1) the three-dimensional space in the case is not reasonably utilized, the measurement and control combination layout is not compact, the integration level is low, the design redundancy causes large volume and heavy weight of test equipment, and various tests and production debugging are not facilitated to be carried out;
(2) because the general requirements are different, the communication protocols and interfaces of the electric steering engine and the comprehensive control machine are different greatly, and the semi-physical simulation platform developed by the existing company basically takes the matched items as traction, belongs to special test equipment, cannot be well compatible with the test requirements of various electric steering engines, and has low universality and high cost;
(3) in the face of complex test environment, the anti-electromagnetic interference capability is poor, the automation degree is low, and the test requirements of the electric steering engine under various environment tests cannot be met.
Disclosure of Invention
The invention aims to provide a small semi-physical intelligent universal simulation platform for an electric steering engine, which effectively reduces the installation space of the steering engine and greatly improves the measurement reliability.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a general simulation platform of small-size semi-physical intelligence of electric steering wheel which characterized in that includes: measurement and control combination and test computer, measurement and control combination includes: case set up communication board, primary linear power, digital panel table, communication converter and test cable interface in the case, the primary power is connected with digital panel table, communication board and test cable interface, the communication board adopts DSP + FPGA communication control module, DSP connects binary channels CAN communication interface circuit, FPGA connects binary channels RS422 communication interface circuit, RS485 communication interface circuit and dual-redundancy 1553B communication interface circuit, binary channels CAN communication interface circuit, binary channels RS422 communication interface circuit, RS485 communication interface circuit and dual-redundancy 1553B communication interface circuit are connected and are tested cable interface, the combination of observing and controling passes through communication converter and connects test computer.
The invention also aims to provide a small semi-physical intelligent universal simulation method for the electric steering engine, which is characterized by comprising the following steps of: installing test software in a test computer, installing main control software and communication software in a measurement and control combination, opening the test software, filling in a steering engine number, clicking communication self-check, checking the reliability of the communication between the test computer and the measurement and control combination, selecting a corresponding steering deflection instruction according to actual conditions after a test interface pops up a normal communication dialog box, previewing the instruction, clicking to start the test after ensuring the instruction is accurate, performing dynamic and static tests on the electric steering engine, stopping the test at any time during the test, storing test data after the test is finished, opening a test report to check the conditions of overshoot, rising time, load moment, speed, control precision and bandwidth technical indexes of the steering engine, clicking a corresponding button when uploading a program or adjusting control parameters, and powering on a steering engine system again after prompting is finished, wherein,
the measurement and control combination comprises: case set up communication board, primary linear power, digital panel table, communication converter and test cable interface in the case, the primary power is connected with digital panel table, communication board and test cable interface, the communication board adopts DSP + FPGA communication control module, DSP connects binary channels CAN communication interface circuit, FPGA connects binary channels RS422 communication interface circuit, RS485 communication interface circuit and dual-redundancy 1553B communication interface circuit, binary channels CAN communication interface circuit, binary channels RS422 communication interface circuit, RS485 communication interface circuit and dual-redundancy 1553B communication interface circuit are connected and are tested cable interface, the combination of observing and controling passes through communication converter and connects test computer.
Compared with the prior art, the invention has the following beneficial technical effects:
the realization is simple, include: measurement and control combination and test computer, measurement and control combination includes: case set up communication board, primary linear power, digital panel table, communication converter and test cable interface in the case, the primary power is connected with digital panel table, communication board and test cable interface, the communication board adopts DSP + FPGA communication control module, DSP connects binary channels CAN communication interface circuit, FPGA connects binary channels RS422 communication interface circuit, RS485 communication interface circuit and dual-redundancy 1553B communication interface circuit, binary channels CAN communication interface circuit, binary channels RS422 communication interface circuit, RS485 communication interface circuit and dual-redundancy 1553B communication interface circuit are connected and are tested cable interface, the combination of observing and controling passes through communication converter and connects test computer. And modular design is adopted, and the structure and the function of each component are independent, so that the assembly, the disassembly and the maintenance are convenient. The measurement and control combined assembly is installed in a portable case, is small in size, light in weight, convenient to carry and carry, high in automation degree and simple to operate, and has the functions of uploading software and updating control parameters on line.
Drawings
FIG. 1 is a schematic structural diagram of a small semi-physical intelligent universal simulation platform of an electric steering engine;
FIG. 2 is a general layout diagram of a measurement and control combination of the small semi-physical intelligent general simulation platform of the electric steering engine;
FIG. 3 is a schematic view of a chassis interface of the present invention;
FIG. 4 is a software information interaction schematic diagram of the small semi-physical intelligent general simulation method for the electric steering engine.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments, but these examples are only illustrative and do not limit the scope of the present invention.
Referring to fig. 1 to 4, the invention provides a small semi-physical intelligent universal simulation platform for an electric steering engine, comprising: measurement and control combination and test computer, measurement and control combination includes: case set up communication board, primary linear power, digital panel table, communication converter and test cable interface in the case, the primary power is connected with digital panel table, communication board and test cable interface, the communication board adopts DSP + FPGA communication control module, DSP connects binary channels CAN communication interface circuit, FPGA connects binary channels RS422 communication interface circuit, RS485 communication interface circuit and dual-redundancy 1553B communication interface circuit, binary channels CAN communication interface circuit, binary channels RS422 communication interface circuit, RS485 communication interface circuit and dual-redundancy 1553B communication interface circuit are connected and are tested cable interface, the combination of observing and controling passes through communication converter and connects test computer.
In one embodiment, the test computer is connected to the communication converter via a USB bus.
In one embodiment, the communication converter is an RS422 communication converter.
In one embodiment, the rudder system comprises a controller, and the controller is connected with an electric steering engine.
In one embodiment, a digital panel table is disposed on the chassis. The test interface has complete functions and simple operation, and can meet the test requirements of various functions, dynamic and static performance of the electric steering engine, program uploading and control parameter on-line updating.
In one embodiment, the disposable power supply comprises a 28V power supply and a 5V power supply.
In one embodiment, the measurement and control combination is connected with the rudder system through a test cable interface.
In one embodiment, the volume of the chassis is 259mm 240mm 147 mm. Compared with the traditional equipment of the same type, the volume is reduced by about 35 percent, and the weight is reduced by about 50 percent.
The invention also aims to provide a small semi-physical intelligent universal simulation method for the electric steering engine, which comprises the following steps: installing test software in a test computer, installing main control software and communication software in a measurement and control combination, opening the test software, filling in a steering engine number, clicking communication self-check, checking the reliability of the communication between the test computer and the measurement and control combination, selecting a corresponding steering deflection instruction according to actual conditions after a test interface pops up a normal communication dialog box, previewing the instruction, clicking to start the test after ensuring the instruction is accurate, performing dynamic and static tests on the electric steering engine, stopping the test at any time during the test, storing test data after the test is finished, opening a test report to check the conditions of overshoot, rising time, load moment, speed, control precision and bandwidth technical indexes of the steering engine, clicking a corresponding button when uploading a program or adjusting control parameters, and powering on a steering engine system again after prompting is finished, wherein,
the measurement and control combination comprises: case set up communication board, primary linear power, digital panel table, communication converter and test cable interface in the case, the primary power is connected with digital panel table, communication board and test cable interface, the communication board adopts DSP + FPGA communication control module, DSP connects binary channels CAN communication interface circuit, FPGA connects binary channels RS422 communication interface circuit, RS485 communication interface circuit and dual-redundancy 1553B communication interface circuit, binary channels CAN communication interface circuit, binary channels RS422 communication interface circuit, RS485 communication interface circuit and dual-redundancy 1553B communication interface circuit are connected and are tested cable interface, the combination of observing and controling passes through communication converter and connects test computer.
The invention has the advantages of light weight, miniaturization, high integration, intellectualization, good universality, strong anti-electromagnetic interference capability and the like, is convenient for various tests, production debugging and maintenance, has high reliability, can basically meet the test requirements of all electric steering engines, and is beneficial to reducing the production cost and shortening the development period.
In one embodiment, at test time, the method comprises: and controlling parameter adjustment, image operation and report display.
Preferably, the invention adopts a non-special test computer, selects a test instruction through a friendly man-machine interaction interface, receives steering engine response data, draws a curve, processes the data and displays a test report.
In one embodiment, the communication board adopts a DSP + FPGA universal communication control module, CAN meet the parallel processing of multi-channel, multi-type signals, various communication controls and the like, realizes the functions of instruction dispersion, test instruction forwarding to a rudder system and steering engine response data forwarding to a test computer, and CAN flexibly select a CAN bus, a 1553B bus, an RS422 serial port and an RS485 bus to carry out information interaction with the rudder system according to the system requirements.
In one embodiment, a primary linear power supply with small output voltage ripple, high precision and high reliability is selected to convert 220V voltage into 28V and 5V working voltage for output, and the voltage and current required by the 4 rudders of the product under development of the current company can be simultaneously met.
In one embodiment, the reliability of information interaction between the test computer and the communication board and between the communication board and the rudder system is ensured by optimizing the layout and electromagnetic interference suppression measures and good grounding.
In one embodiment, the USB-RS 422 communication converter is adopted to realize the information interaction between the test computer and the communication board.
In one embodiment, the operating voltage and current of the rudder system and the communication board are monitored in real time through a digital panel meter.
In one embodiment, the semi-physical simulation platform designed by the invention has the advantages of compact spatial layout, high integration level, light weight and miniaturization, and ensures the convenience for carrying out various tests and production debugging;
in one embodiment, a design mode of a DSP + FPGA universal communication control module is adopted in the measurement and control combined communication board, so that the parallel processing of multi-channel, multi-type signals, multiple communication controls and the like CAN be met, various common communication protocols (CAN, RS422, RS485, 1553B and the like) for information interaction between the electric steering engine and the missile-borne control system CAN be met, the maximum communication rate CAN reach 4Mbps, and the high universality and the good real-time performance are realized;
in one embodiment, various communication interface circuits adopt a dual redundancy control design scheme, have strong anti-electromagnetic interference capability and high reliability, and can meet various complex test environments;
in one embodiment, the device is friendly in man-machine interaction interface, complete in function, simple and convenient to operate, capable of intelligently achieving dynamic and static functions and performance tests of various electric steering engines, high in test precision and high in automation degree, and has the functions of uploading programs and updating control parameters on line.
Experiments prove that the semi-physical intelligent simulation platform can meet the test requirements of miniaturization, intellectualization, universality and the like of the semi-physical intelligent simulation platform of the electric steering engine. The volume of the device is 259mm 240mm 147mm, and compared with the traditional device of the same type, the device has the advantages that the volume is reduced by about 35 percent, and the weight is reduced by about 50 percent; the test interface has complete functions and simple operation, and can meet the test requirements of various functions and dynamic and static performance of the electric steering engine, and the uploading of programs and the online updating of control parameters; the system CAN meet all communication protocols (CAN, RS422, RS485, 1553B and the like) for information interaction between the electric steering engine and the missile control system in research of companies, and the maximum communication rate CAN reach 4 Mbps; the semi-physical simulation test is carried out by simulating the function of the on-board control system, so that the development period of the product is shortened, the production cost is reduced, and the delivery node of the product is ensured. The development of the simulation platform fully refers to the mature technology of similar equipment, the technical state is clear, the demonstration is full, the simulation platform has better technical foundation and transportability, the overall structure is reasonable in arrangement, the operation and the maintenance are convenient, the size is small, the quality is light, the intelligence is realized, and the universality is good.
The invention achieves the following beneficial technical effects:
the realization is simple, include: measurement and control combination and test computer, measurement and control combination includes: case set up communication board, primary linear power, digital panel table, communication converter and test cable interface in the case, the primary power is connected with digital panel table, communication board and test cable interface, the communication board adopts DSP + FPGA communication control module, DSP connects binary channels CAN communication interface circuit, FPGA connects binary channels RS422 communication interface circuit, RS485 communication interface circuit and dual-redundancy 1553B communication interface circuit, binary channels CAN communication interface circuit, binary channels RS422 communication interface circuit, RS485 communication interface circuit and dual-redundancy 1553B communication interface circuit are connected and are tested cable interface, the combination of observing and controling passes through communication converter and connects test computer. And modular design is adopted, and the structure and the function of each component are independent, so that the assembly, the disassembly and the maintenance are convenient. The measurement and control combined assembly is installed in a portable case, is small in size, light in weight, convenient to carry and carry, high in automation degree and simple to operate, and has the functions of uploading software and updating control parameters on line.
While the invention has been described with reference to preferred embodiments, it is not intended to be limited thereto. It is obvious that not all embodiments need be, nor cannot be exhaustive here. Variations and modifications of the present invention can be made by those skilled in the art without departing from the spirit and scope of the present invention by using the design and content of the above disclosed embodiments, and therefore, any simple modification, parameter change and modification of the above embodiments based on the research essence of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a general simulation platform of small-size semi-physical intelligence of electric steering wheel which characterized in that includes: measurement and control combination and test computer, measurement and control combination includes: case set up communication board, primary linear power, digital panel table, communication converter and test cable interface in the case, the primary power is connected with digital panel table, communication board and test cable interface, the communication board adopts DSP + FPGA communication control module, DSP connects binary channels CAN communication interface circuit, FPGA connects binary channels RS422 communication interface circuit, RS485 communication interface circuit and dual-redundancy 1553B communication interface circuit, binary channels CAN communication interface circuit, binary channels RS422 communication interface circuit, RS485 communication interface circuit and dual-redundancy 1553B communication interface circuit are connected and are tested cable interface, the combination of observing and controling passes through communication converter and connects test computer.
2. The small semi-physical intelligent universal simulation platform of the electric steering engine according to claim 1, wherein the test computer is connected to the communication converter through a USB bus.
3. The small semi-physical intelligent universal simulation platform of the electric steering engine according to claim 2, wherein the communication converter is an RS422 communication converter.
4. The small semi-physical intelligent universal simulation platform of an electric steering engine according to claim 3, wherein the rudder system comprises a controller, and the controller is connected with the electric steering engine.
5. The small semi-physical intelligent universal simulation platform of the electric steering engine according to claim 2, wherein a digital panel is arranged on the case.
6. The small semi-physical intelligent universal simulation platform of the electric steering engine according to claim 5, wherein the disposable power supply comprises a 28V power supply and a 5V power supply.
7. The small semi-physical intelligent universal simulation platform of the electric steering engine according to claim 4, wherein the measurement and control combination is connected with the rudder system through a test cable interface.
8. The small semi-physical intelligent universal simulation system of an electric steering engine according to claim 1, wherein the volume of the chassis is 259mm x 240mm x 147 mm.
9. A small-sized semi-physical intelligent universal simulation method for an electric steering engine is characterized by comprising the following steps: installing test software in a test computer, installing main control software and communication software in a measurement and control combination, opening the test software, filling in a steering engine number, clicking communication self-check, checking the reliability of the communication between the test computer and the measurement and control combination, selecting a corresponding steering deflection instruction according to actual conditions after a test interface pops up a normal communication dialog box, previewing the instruction, clicking to start the test after ensuring the instruction is accurate, performing dynamic and static tests on the electric steering engine, stopping the test at any time during the test, storing test data after the test is finished, opening a test report to check the conditions of overshoot, rising time, load moment, speed, control precision and bandwidth technical indexes of the steering engine, clicking a corresponding button when uploading a program or adjusting control parameters, and powering on a steering engine system again after prompting is finished, wherein,
the measurement and control combination comprises: case set up communication board, primary linear power, digital panel table, communication converter and test cable interface in the case, the primary power is connected with digital panel table, communication board and test cable interface, the communication board adopts DSP + FPGA communication control module, DSP connects binary channels CAN communication interface circuit, FPGA connects binary channels RS422 communication interface circuit, RS485 communication interface circuit and dual-redundancy 1553B communication interface circuit, binary channels CAN communication interface circuit, binary channels RS422 communication interface circuit, RS485 communication interface circuit and dual-redundancy 1553B communication interface circuit are connected and are tested cable interface, the combination of observing and controling passes through communication converter and connects test computer.
10. The small semi-physical intelligent universal simulation method of the electric steering engine according to claim 9, wherein during testing, the method comprises the following steps: and controlling parameter adjustment, image operation and report display.
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