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Injury prediction method for occupants in road traffic accidents

A technology of road traffic and prediction methods, applied in geometric CAD, design optimization/simulation, computer-aided design, etc., can solve the problem that the damage cannot be refined to each body part, achieve the effect of convenient and fast modeling, and improve the output accuracy

Active Publication Date: 2020-05-22
TSINGHUA UNIV
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Problems solved by technology

[0004] Based on this, it is necessary to provide an occupant road traffic accident injury prediction method for the problem that the damage output by the traditional injury prediction model cannot be refined to each body part

Method used

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  • Injury prediction method for occupants in road traffic accidents
  • Injury prediction method for occupants in road traffic accidents
  • Injury prediction method for occupants in road traffic accidents

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[0045] In order to make the above-mentioned purpose, features and advantages of the present application more obvious and understandable, the specific implementation manners of the present application will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the application. However, the present application can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific implementation disclosed below.

[0046]It should be noted that when an element is referred to as being “disposed on” another element, it may be directly on the other element or there may also be an intervening element. When an element is referred to as being "connected to" ...

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Abstract

This application provides a method for occupant road traffic accident injury prediction. By selecting research parameters to form an occupant injury impact simulation matrix, the main effect and interaction effect of each influencing parameter can be analyzed, the coupling analysis between parameters is realized, and the damage prediction is improved. output precision. Through parametric finite element modeling, the accident simulation model under any working condition can be obtained, and the variables can be controlled in the research, and only the influencing parameters to be studied can be changed under the condition that most of the parameters are fixed, which makes up for the individual differences in the accident data Large, lack of uniform standards for parameter extraction. In addition, the finite element modeling is convenient and fast, and provides a database for the development of damage output prediction algorithms. The damage output through finite element simulation can be refined to each body part, which will help provide more direct and detailed damage prediction results in future traffic assistance.

Description

technical field [0001] The present application relates to the field of human injury assessment, in particular to a method for predicting occupant injury in road traffic accidents. Background technique [0002] In recent years, research on occupant injury prediction in road traffic accidents is mostly based on regression fitting of road accident statistics. Take the accident automatic emergency call system used on some cars as an example (advanced automatic collision notification, AACN). The core technical issue of this system is the development of damage prediction algorithms. Most of the current algorithms are based on accident statistics. The database of the transportation department performs regression fitting of damage and accident parameters. Analysis based on accident data usually satisfies objectivity. The AACN system is installed on the vehicle and can obtain real-time vehicle condition information, such as seat belt wearing status, vehicle speed, and the number of...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/23G06F30/15
CPCG06F30/15G06F30/23
Inventor 聂冰冰杨赛超周青
Owner TSINGHUA UNIV
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