Semi-physical simulation platform suitable for ultra-high-speed magnetic suspension

Abstract

The invention discloses a semi-physical simulation platform suitable for superspeed magnetic levitation, a traction control system, a traction power supply system, a traction converter system and an operation control system are connected with a traction simulation system through an interface module, and the traction control system sends a simulation operation control instruction to the traction simulation system. The traction simulation system is used for executing a corresponding simulation action according to a received simulation operation control instruction and feeding back simulation traction state information to the operation control system, and the traction conversion system sends a simulation driving control instruction to the traction simulation system; the traction simulation system is used for simulating operation of the first equipment group according to a received simulation driving control instruction and feeding back the simulated operation state of the first equipment group to the traction converter system, and the traction power supply system is used for sending a simulation power supply control instruction to the traction simulation system. And the traction simulation system simulates the action of the second simulation equipment group according to the received simulation power supply control instruction, and feeds back information acquired by the simulated second simulation equipment group to the traction power supply system.

Description

Technical Field

[0001] The invention relates to the technical field of ultra-high-speed magnetic levitation traction control, and in particular to a semi-physical simulation platform suitable for ultra-high-speed magnetic levitation. Background Art

[0002] With the development of rail transit, the operating speed and transportation capacity of traditional rail transit can no longer meet the growing social needs. Ultra-high-speed maglev trains have attracted widespread attention due to their advantages of running at high speeds. The operating speed of ultra-high-speed maglev trains exceeds 1000km / h, and the suspension propulsion technology, as the "core technology" of the power system, is particularly critical.

[0003] When the ultra-high-speed maglev train runs on the track, the ground traction converter supplies power to the stator segment of the linear motor and generates a traveling wave magnetic field, which drives the train to run. The traction control system adjusts the output voltage of the converter according to the current running status of the train. The switch controller controls the trackside switch stations along the line according to the current position of the train and the step-changing strategy, and controls the frequency, phase and amplitude of the current output to the stator segment of the linear motor, so that the train runs according to the planned trajectory.

[0004] At present, semi-physical simulation technology has become a widely used solution in the modern industrial field due to its characteristics of significantly reducing development costs and shortening development cycles. Semi-physical simulation can enable actual equipment to perform various operating conditions by building a virtual test environment, improve test coverage, and verify product requirements.

[0005] A high-speed maglev train semi-physical simulation platform is proposed in the prior art, in which the connection between the traction control system and the simulator is limited to the converter control unit. However, in the actual operation of the maglev train, the entire train operation requires the cooperation between multiple systems. The communication between the systems and the execution of the control strategies of the systems in response to different working conditions will eventually affect the operation of the train; the interface between the actual equipment and the simulation equipment only has an optoelectronic conversion module, which cannot meet the complex interface requirements required in practice; the train control instructions are missing. In actual applications, it is not only the control of the ground equipment, but also the train body needs to execute certain control instructions. Summary of the invention

[0006] The present invention provides a semi-physical simulation platform suitable for ultra-high-speed magnetic levitation, which can solve the technical problems in the prior art.

[0007] The present invention provides a semi-physical simulation platform suitable for ultra-high-speed magnetic levitation, wherein the simulation platform includes a traction control system, a traction power supply system, a traction converter system, an operation control system, an interface module and a traction simulation system, wherein:

[0008] The traction control system is connected to the operation control system, the operation control system is used to send an operation control instruction to the traction control system, the traction control system is used to perform corresponding actions according to the received operation control instruction, and feed back traction state information to the operation control system;

[0009] The traction control system is connected to the traction inverter system, and the traction control system is used to send a drive control instruction to the traction inverter system, and the traction inverter system drives the first device group to operate according to the received drive control instruction, and feeds back the operating status of the first device group to the traction control system;

[0010] The traction control system is connected to the traction power supply system, and the traction control system is used to send a power supply control instruction to the traction power supply system, and the traction power supply system controls the action of the second device group according to the received power supply control instruction, and feeds back information collected by the second device group to the traction control system;

[0011] The traction control system, the traction power supply system, the traction inverter system and the operation control system are connected to the traction simulation system through the interface module. The traction control system sends a simulation operation control instruction to the traction simulation system. The traction simulation system is used to perform corresponding simulation actions according to the received simulation operation control instruction, and feed back the simulation traction state information to the operation control system. The traction inverter system sends a simulation drive control instruction to the traction simulation system. The traction simulation system is used to simulate the operation of the first equipment group according to the received simulation drive control instruction, and feed back the simulated operation state of the first equipment group to the traction inverter system. The traction power supply system is used to send a simulation power supply control instruction to the traction simulation system. The traction simulation system simulates the action of the second simulation equipment group according to the received simulation power supply control instruction, and feeds back the simulated information collected by the second simulation equipment group to the traction power supply system.

[0012] Preferably, the first equipment group includes a traction converter, and the second equipment group includes a trackside switchyard.

[0013] Preferably, the simulation drive control instruction includes power-on and power-off information of the traction converter and IGBT drive information.

[0014] Preferably, the traction simulation system performs corresponding simulation actions according to the received simulation operation control instruction, including:

[0015] The traction simulation system executes the on-line action, traction action and braking action of the maglev train on the line according to the received simulation operation control instruction.

[0016] Preferably, the traction simulation system comprises a CPU simulation machine, a communication expansion box and a plurality of FPGA simulation machines, and the CPU simulation machine is connected to the plurality of FPGA simulation machines via the communication expansion box.

[0017] Preferably, the traction control system includes a monitoring and management device, a motor controller, an integrated electrical controller, a comprehensive protection controller master station and a switch controller master station, and the traction power supply system includes a trackside switch controller slave station and a trackside comprehensive protection controller slave station. The comprehensive protection controller master station and the switch controller master station cooperate with the trackside comprehensive protection controller slave station and the trackside switch controller slave station to control and protect the traction power supply system.

[0018] Preferably, the traction converter system comprises a plurality of converter controllers.

[0019] Through the above technical solution, a semi-physical simulation platform including a traction control system, a traction power supply system, a traction converter system, a traction simulation system and an operation control system can be set up. Through this simulation platform, the entire process of the ultra-high-speed maglev train from the beginning to the end of the test can be simulated to verify the accuracy and effectiveness of the control of each controller in the system. In the test process, data communication and coordinated control between various systems can verify the correctness and reliability of data and functional interaction between controllers of various systems. The data communication interface of each controller is consistent with the real application environment, and the conversion of the data interface is realized through the interface module, so that the data is transmitted to the traction simulation system. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The included drawings are used to provide a further understanding of the embodiments of the present invention, which constitute a part of the specification, are used to illustrate the embodiments of the present invention, and together with the text description, explain the principles of the present invention. Obviously, the drawings in the following description are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 The diagram shows the architecture of a semi-physical simulation platform suitable for ultra-high-speed magnetic levitation. DETAILED DESCRIPTION

[0022] It should be noted that, in the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0024] Unless otherwise specifically stated, the relative arrangement of the parts and steps described in these embodiments, numerical expressions and numerical values ​​do not limit the scope of the present invention. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0025] Figure 1 The diagram shows the architecture of a semi-physical simulation platform suitable for ultra-high-speed magnetic levitation.

[0026] like Figure 1 As shown, an embodiment of the present invention provides a semi-physical simulation platform suitable for ultra-high-speed magnetic levitation, wherein the simulation platform includes a traction control system, a traction power supply system, a traction converter system, an operation control system, an interface module and a traction simulation system, wherein:

[0027] The traction control system is connected to the operation control system, the operation control system is used to send an operation control instruction to the traction control system, the traction control system is used to perform corresponding actions according to the received operation control instruction, and feed back traction state information to the operation control system;

[0028] The traction control system is connected to the traction inverter system, and the traction control system is used to send a drive control instruction to the traction inverter system, and the traction inverter system drives the first device group to operate according to the received drive control instruction, and feeds back the operating status of the first device group to the traction control system;

[0029] The traction control system is connected to the traction power supply system, and the traction control system is used to send a power supply control instruction to the traction power supply system, and the traction power supply system controls the action of the second device group according to the received power supply control instruction, and feeds back information collected by the second device group to the traction control system;

[0030] The traction control system, the traction power supply system, the traction inverter system and the operation control system are connected to the traction simulation system through the interface module. The traction control system sends a simulation operation control instruction to the traction simulation system. The traction simulation system is used to perform corresponding simulation actions according to the received simulation operation control instruction, and feed back the simulation traction state information to the operation control system. The traction inverter system sends a simulation drive control instruction to the traction simulation system. The traction simulation system is used to simulate the operation of the first equipment group according to the received simulation drive control instruction, and feed back the simulated operation state of the first equipment group to the traction inverter system. The traction power supply system is used to send a simulation power supply control instruction to the traction simulation system. The traction simulation system simulates the action of the second simulation equipment group according to the received simulation power supply control instruction, and feeds back the simulated information collected by the second simulation equipment group to the traction power supply system.

[0031] That is, the corresponding actions can be simulated by the traction simulation system to realize the simulation of the relevant actions / operations of the maglev train, and the simulated maglev train operation information is fed back to the traction control system and the operation control system for monitoring and control.

[0032] The controllers in the traction control system, traction power supply system, traction converter system and operation control system are all real devices, which are consistent with the actual application. The interface module is used to convert the real data interface of the controller into a data interface that can be used by the simulation system to realize data transmission.

[0033] Through the above technical solution, a semi-physical simulation platform including a traction control system, a traction power supply system, a traction converter system, a traction simulation system and an operation control system can be set up. Through this simulation platform, the entire process of the ultra-high-speed maglev train from the beginning to the end of the test can be simulated to verify the accuracy and effectiveness of the control of each controller in the system. In the test process, data communication and coordinated control between various systems can verify the correctness and reliability of data and functional interaction between controllers of various systems. The data communication interface of each controller is consistent with the real application environment, and the conversion of the data interface is realized through the interface module, so that the data is transmitted to the traction simulation system.

[0034] According to one embodiment of the present invention, the first equipment group includes a traction converter, and the second equipment group includes a trackside switch station.

[0035] That is, the traction simulation system can simulate the operation of the power equipment of the maglev train, including, for example, simulating the operation of the traction inverter, the action of the trackside switch station, the power supply of the power supply cable, the operation of the linear motor, the movement of the train, etc.

[0036] According to an embodiment of the present invention, the simulation drive control instruction includes power-on and power-off information of the traction converter and IGBT drive information.

[0037] According to an embodiment of the present invention, the traction simulation system performs corresponding simulation actions according to the received simulation operation control instruction, including:

[0038] The traction simulation system executes the on-line action, traction action and braking action of the maglev train on the line according to the received simulation operation control instruction.

[0039] In other words, the movement of the train in the traction simulation system includes not only the electromagnetic thrust and running resistance output by the linear motor, but also various instructions issued by the operation control system to the train, such as train traction (traction action), on-board braking, etc.

[0040] According to an embodiment of the present invention, the traction simulation system includes a CPU simulation machine, a communication expansion box and a plurality of FPGA simulation machines, and the CPU simulation machine is connected to the plurality of FPGA simulation machines through the communication expansion box.

[0041] Among them, the communication expansion box is used to realize the communication between the CPU simulator and the FPGA simulator.

[0042] That is, through the CPU simulator and FPGA simulator in the traction simulation system, the operation of the power equipment of the maglev train is simulated.

[0043] According to one embodiment of the present invention, the traction control system includes a monitoring and management device, a motor controller, an integrated electrical controller, a comprehensive protection controller master station and a switch controller master station, and the traction power supply system includes a trackside switch controller slave station and a trackside comprehensive protection controller slave station. The comprehensive protection controller master station and the switch controller master station cooperate with the trackside comprehensive protection controller slave station and the trackside switch controller slave station to control and protect the traction power supply system.

[0044] Among them, the connection between the traction control system and the traction power supply system is the connection between the controllers. The monitoring management device is used for overall monitoring management, the motor controller is used for motor control, the integrated electrical controller is used for overall electrical control, the integrated security controller master station and the trackside integrated security controller slave station cooperate for integrated security control, and the switch controller master station and the trackside switch controller slave station cooperate for switch control of the trackside switch.

[0045] According to an embodiment of the present invention, the traction converter system includes a plurality of converter controllers.

[0046] That is, a plurality of converter controllers can control a plurality of traction converters.

[0047] The following describes the working process of the semi-physical simulation platform suitable for ultra-high-speed magnetic levitation according to the present invention with reference to examples.

[0048] Step 1: Connect the communication signals of the controllers of each system. Connect the communication interfaces between the controllers of each system and the communication interfaces between the controllers and the interface modules. After the connection is completed, check the communication. After checking and testing the communication protocol, conduct subsequent tests.

[0049] Step 2: Test the control functions of each system. After checking that the communication signal is correct, perform a control function test to determine whether each controller can be tested according to the design process, whether it responds to the communication control signal normally, and feedback the controller status information.

[0050] Step 3: Check each model of the traction simulation system, check the connection of each part of the system model and the parameter settings, and determine whether it meets the test requirements and test conditions. After the inspection is correct, the traction simulation system is ready.

[0051] Step 4: Debugging the traction simulation system and the interface module. The traction simulation system and the interface module are connected according to the predetermined connection diagram to perform communication and function tests.

[0052] Step 5: Power on each system controller, power on the traction simulation system, and start the interface module. Check the operating status of each device and continue the test after the equipment is running normally.

[0053] Step 6: The system joint debugging test begins. Each system controller issues instructions and feedbacks their respective operating status. The traction simulation system receives the control instructions and performs corresponding actions (for details, see the above Figure 1 description), and conduct targeted experiments.

[0054] Step 7: Test result determination: After the test is completed, determine the operating data of each controller and traction simulation system to determine whether the test is successful.

[0055] Step 8: After the test is completed, the test data is collected and stored for subsequent data analysis, and the system is powered off.

[0056] It can be seen from the above embodiments that the semi-physical simulation platform suitable for ultra-high-speed maglev described in the above embodiments of the present invention can simulate the operation of the traction control system, traction power supply system, traction converter system and operation control system. Among them, the controllers of the traction control system, traction power supply system, traction converter system and operation control system are consistent with the actual application. Power equipment such as traction converters, power supply cables, trackside switch stations, linear motors and trains are simulated by traction simulation systems. Building a semi-physical simulation platform can simulate the entire process of ultra-high-speed maglev trains from the beginning to the end of the test, and verify the accuracy and effectiveness of the control of each controller in the system. In the test process, data communication is carried out between each system, and the control is coordinated to verify the correctness and reliability of the data and function interaction between the controllers of each system. Functional testing and verification of the controller of the whole system under different operating conditions are realized, the test cost is reduced, the technical risk is released in advance, and the development progress of the whole system is accelerated.

[0057] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the devices or elements referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention. The directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0058] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" may include both "above" and "below". The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0059] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the present invention.

[0060] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A semi-physical simulation platform suitable for ultra-high-speed magnetic levitation, characterized in that: The simulation platform includes a traction control system, a traction power supply system, a traction converter system, an operation control system, an interface module and a traction simulation system. The traction control system is connected to the operation control system, the operation control system is used to send an operation control instruction to the traction control system, the traction control system is used to perform corresponding actions according to the received operation control instruction, and feed back traction state information to the operation control system; The traction control system is connected to the traction inverter system, and the traction control system is used to send a drive control instruction to the traction inverter system, and the traction inverter system drives the first device group to operate according to the received drive control instruction, and feeds back the operating status of the first device group to the traction control system; The traction control system is connected to the traction power supply system, and the traction control system is used to send a power supply control instruction to the traction power supply system, and the traction power supply system controls the action of the second device group according to the received power supply control instruction, and feeds back information collected by the second device group to the traction control system; The traction control system, the traction power supply system, the traction inverter system and the operation control system are connected to the traction simulation system through the interface module. The traction control system sends a simulation operation control instruction to the traction simulation system. The traction simulation system is used to perform corresponding simulation actions according to the received simulation operation control instruction, and feed back the simulation traction state information to the operation control system. The traction inverter system sends a simulation drive control instruction to the traction simulation system. The traction simulation system is used to simulate the operation of the first equipment group according to the received simulation drive control instruction, and feed back the simulated operation state of the first equipment group to the traction inverter system. The traction power supply system is used to send a simulation power supply control instruction to the traction simulation system. The traction simulation system simulates the action of the second simulation equipment group according to the received simulation power supply control instruction, and feeds back the simulated information collected by the second simulation equipment group to the traction power supply system.

2. The simulation platform according to claim 1, characterized in that: The first equipment group includes the traction converter, and the second equipment group includes the trackside switch station.

3. The simulation platform according to claim 2, characterized in that: The simulation drive control instruction includes power-on and power-off information of the traction converter and IGBT drive information.

4. The simulation platform according to claim 1, characterized in that: The traction simulation system performs corresponding simulation actions according to the received simulation operation control instruction, including: The traction simulation system executes the on-line action, traction action and braking action of the maglev train on the line according to the received simulation operation control instruction.

5. The simulation platform according to claim 4, characterized in that: The traction simulation system comprises a CPU simulation machine, a communication expansion box and a plurality of FPGA simulation machines, and the CPU simulation machine is connected to the plurality of FPGA simulation machines through the communication expansion box.

6. The simulation platform according to claim 4, characterized in that: The traction control system includes a monitoring and management device, a motor controller, an integrated electrical controller, a comprehensive protection controller master station and a switch controller master station. The traction power supply system includes a trackside switch controller slave station and a trackside comprehensive protection controller slave station. The comprehensive protection controller master station and the switch controller master station cooperate with the trackside comprehensive protection controller slave station and the trackside switch controller slave station to control and protect the traction power supply system.

7. The simulation platform according to claim 6, characterized in that: The traction converter system includes a plurality of converter controllers.

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