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Method and device for determining sound evaluation index of window lift system

A technology for raising and lowering windows and evaluating indicators. It is used in measurement devices, psychological devices, and voice analysis. It can solve problems such as difficulty in meeting product development needs, difficulty in R&D personnel, and a single sound evaluation standard.

Active Publication Date: 2022-07-01
CHINA FIRST AUTOMOBILE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the above-mentioned first sound performance evaluation method only analyzes the physical attributes of the sound, without considering the psychological attributes of the driver and passengers as sound recipients; while the second sound performance evaluation method can only qualitatively identify the sound level Whether it meets a certain limit value, without quantitative analysis of the sound, the sound evaluation standard is relatively simple when the above two methods are used for sound evaluation, and the sound performance evaluation results obtained according to the above two methods are also lacking in systematicness and consistency. Professionalism, it is difficult to meet the needs of product development, and it is also difficult to provide R&D personnel with reference evaluation results that meet the comfort requirements of drivers and passengers

Method used

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  • Method and device for determining sound evaluation index of window lift system
  • Method and device for determining sound evaluation index of window lift system
  • Method and device for determining sound evaluation index of window lift system

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Experimental program
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Embodiment 1

[0030] figure 1 This is a flow chart of a method for determining a sound evaluation index of a window lift system provided by the first embodiment of the present invention. This embodiment can be applied to the method of determining the index for sound performance evaluation before the sound performance evaluation of the vehicle window lift system. In some cases, the method can be performed by a device for determining the sound evaluation index of a window lift system, which can be implemented by software and / or hardware, and the device for determining a sound evaluation index for a window lift system can be configured with On a computer device, the computer device may be constituted by two or more physical entities, or may be constituted by one physical entity.

[0031] like figure 1 As shown, a method for determining a sound evaluation index of a window lift system provided by the first embodiment specifically includes the following steps:

[0032] S101. Determine sound da...

Embodiment 2

[0047] figure 2 This is a flowchart of a method for determining a sound evaluation index of a window lift system provided in Embodiment 2 of the present invention. The technical solution of the embodiment of the present invention is further optimized on the basis of the above-mentioned optional technical solutions. For the whole sound data during the lifting operation, the intercepted part of the sound data corresponding to the window up time period and the window down time period is used as the friction sound data, and the data intercepted part including the guide groove impact time point in the whole sound data is used as the impact. sound data, and then for the user evaluation scores corresponding to two different sound data, for any one of the sound data, according to the regression equation constructed by the user evaluation score and the psychoacoustic parameters, determine the correlation coefficient of each psychoacoustic parameter relative to the user evaluation score...

Embodiment 3

[0127] Figure 5 A schematic structural diagram of a device for determining a sound evaluation index of a window lift system provided in Embodiment 3 of the present invention. The device for determining a sound evaluation index of a window lift system includes: a sound data determination module 31, a target parameter determination module 32, and a target index determination module 33 and sound index determination module 34 .

[0128] Among them, the sound data determination module 31 is used to determine the sound data when the window lift system performs the lifting operation, and obtain the user evaluation score corresponding to each sound data; the target parameter determination module 32 is used to determine at least the corresponding sound data. Two psychoacoustic parameters, at least one target evaluation parameter is determined according to each psychoacoustic parameter and the user evaluation score; the target index determination module 33 is used for the target evalua...

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Abstract

The embodiment of the invention discloses a method and a device for determining a sound evaluation index of a window lift system. The method includes: determining sound data when a window lift system performs a lifting operation, and obtaining a user evaluation score corresponding to each sound data; determining at least two psychoacoustic parameters corresponding to each sound data, and according to each psychoacoustic parameter and user evaluation The score determines at least one target evaluation parameter; according to the target evaluation score, and the target linear regression equation constructed according to the target evaluation parameter and the user evaluation score, the target evaluation index corresponding to the target evaluation parameter is determined; Corresponding relationship, determine the sound evaluation index of the window lift system. The technical solution of the embodiment of the present invention solves the problem that the sound performance evaluation standard of the window lift system is single and does not consider the user's psychological attribute requirements, and improves the systematicness and professionalism of the sound performance evaluation of the vehicle window lift system.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of vehicle performance testing, and in particular, to a method and device for determining a sound evaluation index of a window lift system. Background technique [0002] With the pursuit of higher quality of automobiles and the requirements for automobile sound, the sound quality of automobiles becomes more and more important. As one of the most commonly used operating parts of the vehicle, the window lift system directly affects the user's car experience, and the sound is one of the most intuitive experiences for the user in the process of using the window lift system. Sound design is critical for window lift systems. [0003] The existing evaluation of the sound performance of the window lift system mainly adopts the following two methods: one is to identify and analyze the sound pressure level of the sound generated when the window is lifted; the other is to analyze the abnormal sou...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G10L25/51G01M17/007A61B5/16
CPCG10L25/51A61B5/165G01M17/007
Inventor 杨雨圣张言邓建交魏可心
Owner CHINA FIRST AUTOMOBILE