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Train electric transmission system semi-physical simulation platform

A semi-physical simulation, electric drive technology, applied in general control systems, control/regulation systems, instruments, etc., can solve problems such as insufficient flexibility, low platform applicability, and inability to achieve closed-loop control, reducing repetitive workloads, The effect of avoiding repeated investment and improving experimental efficiency

Pending Publication Date: 2022-05-10
CRRC YONGJI ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Set up real hardware devices to simulate the sending and receiving signals of RIOM, which can only simulate a single action, cannot realize closed-loop control, cannot complete combined tests related to timing and interval time, and cannot complete the hardware test items of the network control system Second, the RIOM docking equipment is relatively fixed, and the applicability and flexibility of the platform are low after replacing the number of RIOM boards / channels

Method used

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  • Train electric transmission system semi-physical simulation platform
  • Train electric transmission system semi-physical simulation platform

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] Multiple simulation requirements for 4-axis electric traction

[0051] System hardware-in-the-loop simulation environment for 4-axle traction of a certain locomotive

[0052] Implementation steps:

[0053] 1. Confirm that the physical controller has 4 TCUs. It is necessary to build a virtual vehicle bus test environment for issuing traction commands. One network real-time simulation machine is required, and RIOM conditioning equipment is not required; a 4-axis traction simulation environment needs to be constructed, and each axis corresponds to One real TCU needs to be configured with 4 sets of traction single-axis software and hardware environments, 4 sets of real-time traction simulators, and 1 real-time simulator of pantograph-catenary and vehicle dynamics.

[0054] 2. Make sure that the network type connected with the network real-time simulator is MVB, and the power supply voltage level is 110V. The network communication board of the network real-time simulator is...

Embodiment 2

[0060] Half-physical simulation environment for the network control system of locomotive single MPU+2GW internal reconnection

[0061] Implementation steps:

[0062] 1. Confirm that the real thing is 1 MPU device and 2 gateways. It is necessary to build an internal reconnection test environment, 2 network real-time simulators, and no RIOM conditioning equipment; the RIOM controller model must be considered when modeling the model.

[0063] 2. Make sure that the network type connected to the network real-time simulator is MVB, the power supply voltage level is 110V, the network communication board of the network real-time simulator is configured as an MVB board, and the MPU is connected to the network real-time simulator 1 with a MVB special cable, and Connect to GW1, connect GW2 to network real-time simulator 2; use WTB special cable to connect between physical gateway GW1 / GW2.

[0064] 3. Through the reflective memory switch, connect the two network real-time simulators to r...

Embodiment 3

[0069] Half-physical simulation environment for network control system of locomotive 2MPU+4RIOM+4GW external reconnection

[0070] Implementation steps:

[0071] 1. Confirm that the physical objects are 2 MPU devices, 4 gateways, 4 RIOMs, and 4 GWs. It is necessary to build an external reconnection test environment, which requires 4 network real-time simulators and 4 RIOM conversion devices. Among them, it is necessary to determine the electrical signal voltage level, number of channels, and channel definition list of each RIOM device, use this as the input condition to design the mapping table of the RIOM signal transfer device, select and match the corresponding voltage level conditioning device, and complete the hardware access of the RIOM device .

[0072] 2. Confirm that the network category of the network with the network real-time simulator is MVB, and the power supply voltage level is 110V. The network communication board of the network real-time simulator is configur...

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Abstract

The invention relates to a whole train electric transmission system test platform, in particular to a train electric transmission system semi-physical simulation platform. The invention provides a train electric transmission system semi-physical simulation platform which mainly comprises a network control semi-physical simulation system, a pantograph net and vehicle dynamics simulation system, a traction semi-physical simulation system, an auxiliary semi-physical simulation system and a braking semi-physical simulation system according to different simulation requirements of different systems in a train. The train electric transmission system semi-physical simulation system is formed by combining application services such as a visual system and a test master control system. According to the invention, the comprehensiveness and universality of the whole vehicle level semi-physical simulation system are improved, the effective utilization rate of the semi-physical simulation platform is improved, different data acquisition and automatic test systems are configured according to the difference of different requirements, and the system integration test requirements of different vehicle types such as locomotives, bullet trains, urban rails and the like can be met.

Description

technical field [0001] The invention relates to a vehicle test platform for an electric transmission system of a train, in particular to a semi-physical simulation platform for an electric transmission system of a train. Background technique [0002] The electric transmission system of the train, as the key core system of the train, is mainly composed of a network control system, traction system, auxiliary system, and braking system, which involves many fields such as machinery, electricity, control, fluid, and communication. The system is jointly debugged Usually in the whole vehicle test, and the debugging environment is poor, the cycle is long, and the difficulty is great. If there are problems, it is difficult to rectify them. [0003] The emergence of semi-physical real-time simulation technology provides a solution to such problems. The existing technology uses the design idea of ​​semi-physical simulation technology to build a semi-physical simulation platform with a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B17/02
CPCG05B17/02
Inventor 王彬王武俊韩建宁连蓉郑慧丽张瑞峰
Owner CRRC YONGJI ELECTRIC CO LTD
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