A self-adaptive control method for train control levels

An adaptive regulation and train control technology, applied in the control system of the transportation center, railway car body parts, transportation and packaging, etc., can solve the problems of lack of flexibility and shorten the safety distance between trains, so as to shorten the safety distance and improve The effect of train density

Active Publication Date: 2022-05-20
SOUTHWEST JIAOTONG UNIV
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Problems solved by technology

[0005] In the study of coordinated control of multiple trains, a single control method is often inflexible to complex and changeable systems. MPC has poor performance in resisting large disturbances, while MRAC has better performance in resisting small disturbances. Therefore, it is necessary to propose A compound structure composed of model predictive control and model reference adaptive control, used for adaptive predictive control method, to enhance the anti-disturbance ability and shorten the safety distance between trains when disturbances of different degrees occur

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  • A self-adaptive control method for train control levels
  • A self-adaptive control method for train control levels
  • A self-adaptive control method for train control levels

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[0051] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only It is a part of the embodiments of this application, not all of them. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without...

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Abstract

The present invention relates to the technical field of train control, in particular to an adaptive control method for train control levels; the present invention establishes a predictive model for model predictive control calculation through an ideal train model, and can estimate the basic resistance coefficient when the train is running. During the running of the train, the basic resistance coefficient will change with the train running environment, wind speed, etc., but the present invention can resist different degrees of interference through the respective advantages of model predictive control and model reference adaptive control. And the invention establishes the prediction model based on the ideal model of the train; the relative distance braking mode is added as a constraint into the model prediction control, so as to shorten the safety distance between trains and increase the train running density.

Description

technical field [0001] The invention relates to the technical field of train control, in particular to an adaptive control method for train control levels. Background technique [0002] The train automatic driving system is one of the key technologies for the development of intelligent high-speed railway in the future. However, the high-speed train runs at a high speed and the operating environment is complex and changeable. The system is affected by internal and external unknown disturbances, showing fast time-varying and strong nonlinear characteristics. , leading to the design of the controller is still a difficult point. [0003] Model predictive control (MPC) is also a method commonly used in control technology, including predictive models, rolling optimization and feedback checking. MPC has the ability to explicitly deal with constraints, and can solve the influence of large disturbances, but the uncertainty of parameters and the large control step of MPC make it not ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B61L23/00B61L27/20
CPCY02T10/40
Inventor 孙鹏飞方倩王青元张传鑫唐海川鄢克勤
Owner SOUTHWEST JIAOTONG UNIV
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