A state evaluation method and device for a converter based on multi-information fusion
A multi-information fusion and state evaluation technology, applied in measuring devices, neural learning methods, instruments, etc., can solve problems such as unfavorable vehicle safe operation, high operation and maintenance costs, and low efficiency
Active Publication Date: 2022-04-15
ZHUZHOU CSR TIMES ELECTRIC CO LTD
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Problems solved by technology
The operation and maintenance cost of this fault alarm method is high and the efficiency is low, which is not conducive to the safe operation of the vehicle.
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[0047] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Although the description of the invention will be presented in conjunction with a preferred embodiment, it is not intended that the features of the invention be limited to that embodiment only. On the contrary, the purpose of introducing the invention in conjunction with the embodiments is to cover other options or modifications that may be extended based on the claims of the present invention. The following description contains numerous specific details in order to provide a thorough understanding of the present invention. The invention may also be practiced without these details. Also, some specific details will be omitted from the description in order to avoid obscuring or obscuring the gist of the present inventio...
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The invention relates to a state evaluation method and device of a converter, and a computer-readable medium. The method includes establishing a performance parameter database of the converter, where the performance parameter database includes a set of historical performance parameters collected about at least one functional component of the converter, wherein each functional component stores multiple sets of performance parameters in association; performing feature extraction on the performance parameters of each functional component in the performance parameter database to obtain multiple sets of performance characteristic parameters for each functional component; Performance characteristic parameters are calibrated to determine the key performance index values corresponding to each set of performance characteristic parameters; and neural network modeling is performed based on multiple sets of performance characteristic parameters and their corresponding key performance index values of each functional component to obtain the performance of each function The performance evaluation model of the mapping relationship between the key performance index value of the component and the performance characteristic parameter.
Description
technical field [0001] The present invention relates to the fault warning technology of converters, in particular to a multi-information fusion-based converter state evaluation method, a multi-information fusion-based converter state evaluation device, and a computer-readable medium . Background technique [0002] Safety is the eternal theme of rail transit. With the increase of my country's rail transit operation and construction mileage and the increasingly complex structure of rail transit vehicles, the guarantee of rail transit safety and reliability is facing severe challenges. As the core component of the train power traction system, the traction converter's operation safety and reliability are directly related to the driving safety. The abnormal parking of the vehicle caused by the failure of the traction converter will not only cause the delay of the vehicle and the confusion of dispatching, but also cause the panic of the passengers, resulting in serious economic ...
Claims
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IPC IPC(8): G01R31/00G01M17/08G06N3/04G06N3/08
CPCG01R31/00G01M17/08G06N3/084G06N3/045
Inventor 徐绍龙刘永江贺冠强李华陈俊王亮臧晓斌万伟伟彭宣霖李榆银吴书舟曾祥浩
Owner ZHUZHOU CSR TIMES ELECTRIC CO LTD