Adhesion control method of motor train unit

A technology of EMUs and car bodies, applied in the field of rail transit, can solve the problems that affect the effect of sticking control, cannot accurately capture the time point of idling and sliding events, and does not consider the influence of sticking control, so as to achieve the effect of improving the control effect

Active Publication Date: 2015-12-09
ZHUZHOU CSR TIMES ELECTRIC CO LTD
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is: in the existing adhesion control methods for EMUs, the influence of obtaining accurate creep speed on adhesion control is not considered, and the creep speed of the wheel set cannot be accurately obtained, so that the Accurately capture the time point of the idling and sliding event of the wheel set of the EMU, which seriously affects the effect of adhesion control, so that the EMU cannot fully exert the maximum adhesion force

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  • Adhesion control method of motor train unit
  • Adhesion control method of motor train unit
  • Adhesion control method of motor train unit

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[0053] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings and examples, so as to fully understand and implement the process of how to apply technical means to solve technical problems and achieve technical effects in the present invention. It should be noted that, as long as there is no conflict, each embodiment and each feature in each embodiment of the present invention can be combined with each other, and the formed technical solutions are all within the protection scope of the present invention.

[0054] The technical problem to be solved by the present invention is: in the existing adhesion control methods for EMUs, the influence of obtaining accurate creep speed on adhesion control is not considered, and the creep speed of the wheel set cannot be accurately obtained, so that the Accurately capture the time point when the wheelset of the EMU idling and sliding occurs, which seriously affects the effec...

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Abstract

The invention discloses an adhesion control method of motor train units, which is a method of determining slip velocity of wheel sets of the motor train unit. The method includes the following steps: 1) with an improved Sage-Husa self-adaptive Kalman filtering algorithm, performing information fusion and reconstitution to wheel set linear speed, train body speed and train body acceleration; 2) performing mutual determination to the train body speed, the train body acceleration and the wheel set linear speed, and acquiring accurate wave-filtered train body speed by means of on-line estimation to measured noise for filtering electromagnetic interference of sensor signals and undetermined mechanical interferences; and 3) with the wave-filtered train body speed as a reference speed, calculating the slip velocity. The motor train unit control method employs the slip velocity as an important parameter, thereby improving control effect.

Description

technical field [0001] The present invention relates to the technical field of rail transit, in particular to a method for determining the creep speed of a wheel set of an EMU, and also to an adhesion control method based on the method for determining the creep speed. Background technique [0002] The EMU has brought people a fast and comfortable way of travel, making the communication between cities and people closer. The adhesion between the wheel set and the rail of the EMU is the direct driving force for the EMU to move forward, and the adhesion control is an important part of the traction control system of the EMU. [0003] When the EMU is in the traction condition, if the motor torque exceeds the maximum allowable adhesion between the current wheel and rail, the wheelset idling and sliding will occur, resulting in serious wheel and rail abrasions. The creep speed of the wheelset is an important information to determine the effectiveness of sticking control. However, ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B61C17/00B60L15/00
Inventor 张征方曾云胡云卿刘良杰喻励志李科
Owner ZHUZHOU CSR TIMES ELECTRIC CO LTD
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