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Pantograph active control method based on state feedback accuracy linearization

A state feedback, active control technology, applied in the direction of adaptive control, general control system, control/regulation system, etc., can solve problems such as inability to model control, weakening target contact pressure, etc.

Active Publication Date: 2016-11-09
SOUTHWEST JIAOTONG UNIV
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Problems solved by technology

[0005] To sum up, the existing literature not only requires the empirical design of key parameters in the control strategy design, but cannot carry out precise model control through strict theoretical analysis, but also inevitably weakens the role of the target contact pressure, such as For the LQR optimization design, its dynamic optimal contact pressure is dynamically adjusted by the state weighting matrix and the control weight coefficient

Method used

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  • Pantograph active control method based on state feedback accuracy linearization
  • Pantograph active control method based on state feedback accuracy linearization
  • Pantograph active control method based on state feedback accuracy linearization

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Embodiment

[0062] A pantograph active control method based on state feedback accurate linearization, comprising the following steps:

[0063] The ternary pantograph-catenary coupling dynamic model is as follows: figure 1 As shown, the model is subjected to force analysis, and the pantograph-catenary simplified coupling dynamic equation can be obtained:

[0064] m 1 z ·· 1 + k 1 ( z 1 - z 2 ) ...

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Abstract

The invention discloses a pantograph active control method based on state feedback accuracy linearization. The method comprises the following steps of (1) constructing a ternary bow net coupling dynamics model; (2) carrying out state feedback linearization; (3) calculating a linear equation and acquiring a transfer function; and (4) carrying out zero pole configuration. In the invention, active control is performed on a pantograph so that a coupling vibration condition among bow nets is reduced, generation of abnormal conditions of an off line state, arc burning and pantograph slide plate wear and the like caused by a violent fluctuation of contact pressure among the bow nets is alleviated and safe operation of a train is guaranteed.

Description

technical field [0001] The invention relates to an active control method for a pantograph, in particular to an active control method for a pantograph based on accurate linearization of state feedback. Background technique [0002] In recent years, the research and application of high-speed rail technology has developed rapidly, which has effectively improved the shortage of railway passenger transport capacity. The main characteristics of high-speed trains are fast running speed and complex pantograph-catenary coupling. Therefore, higher requirements are put forward for the pantograph-catenary system in terms of vibration, noise, and flow quality. With the further increase of train running speed, the coupling vibration between pantograph and catenary will become more severe, and the violent fluctuation of contact pressure between pantograph and catenary systems will cause off-line, arcing and wear of pantograph slides, which will seriously affect the flow quality and affect ...

Claims

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Application Information

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IPC IPC(8): G05B13/04
CPCG05B13/042
Inventor 庄哲林建辉施莹黄衍刘泽潮杨恒
Owner SOUTHWEST JIAOTONG UNIV
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