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A method for determining sound evaluation index of wiper system

A technology for evaluating indicators and determining methods, applied in the testing of instruments, machines/structural components, and measuring ultrasonic/sonic/infrasonic waves, etc., which can solve the problem of single evaluation criteria, difficulty in R&D personnel, and failure to consider the psychological attributes of the sound receivers of drivers and passengers And other issues

Active Publication Date: 2022-08-05
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 noise detection method only determines the sound pressure level of the noise during the operation of the wiper, that is, it only analyzes the physical properties of the sound, and does not consider the psychological properties of the drivers and passengers as sound receivers. When the above method is used to evaluate the sound characteristics of the wiper during operation, the evaluation standard is relatively simple and has great limitations.
At the same time, the sound performance evaluation results obtained by the above two methods are not systematic and professional, and 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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  • A method for determining sound evaluation index of wiper system
  • A method for determining sound evaluation index of wiper system
  • A method for determining sound evaluation index of wiper system

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Embodiment 1

[0031] figure 1 This is a flowchart of a method for determining a sound evaluation index of a wiper system provided in the first embodiment of the present invention. This embodiment can be applied to determine the sound performance evaluation before the sound performance evaluation of the wiper system of the windshield glass of a vehicle. The method can be executed by the device for determining the sound evaluation index of the wiper system, and the device for determining the sound evaluation index of the wiper system can be realized by software and / or hardware, and the sound evaluation index of the wiper system is determined. The apparatus can be configured on a computer device, and the computer device can be composed of two or more physical entities, or can be composed of one physical entity.

[0032] like figure 1 As shown, a method for determining a sound evaluation index of a wiper system provided in the first embodiment specifically includes the following steps:

[003...

Embodiment 2

[0049] figure 2 This is a flowchart of a method for determining a sound evaluation index of a wiper 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. The whole sound data under different preset working conditions and the different acquisition conditions of different sound data are used to determine the wiper sound data, reversing sound data and Water spray sound data. Then, for the user evaluation scores corresponding to the above three different sound data, for any one of the sound data, according to the regression equation constructed by the user evaluation scores and the psychoacoustic parameters, determine the correlation coefficient of each psychoacoustic parameter relative to the user evaluation score, and then according to The correlation coefficient selects the candidate evaluation parameters corresponding to...

Embodiment 3

[0139] Image 6 A schematic structural diagram of a device for determining a sound evaluation index of a wiper system provided in Embodiment 3 of the present invention. The device for determining a sound evaluation index of a wiper 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 .

[0140] Among them, the sound data determination module 31 is used to determine the sound data when the wiper system is working, and obtain the user evaluation score corresponding to each sound data; the sound data includes the sound data of the wiper, the sound data of reversing, and the sound of water spray data; the target parameter determination module 32 is used to determine at least two psychoacoustic parameters corresponding to each sound data, and at least one target evaluation parameter is determined according to each psychoacoustic parameter and the user eva...

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Abstract

The embodiment of the present invention discloses a method for determining an evaluation index of a wiper system. The method includes: determining sound data when the wiper system is working, and obtaining user evaluation scores corresponding to each sound data; determining at least two psychoacoustic parameters corresponding to each sound data, and determining according to each psychoacoustic parameter and the user evaluation score 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, determine the target evaluation index corresponding to the target evaluation parameter; according to the corresponding relationship between each target evaluation index and each sound data , to determine the sound evaluation index of the wiper system. The technical solution of the embodiment of the present invention solves the problem that the sound performance evaluation index of the wiper 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 wiper system of the vehicle.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of vehicle performance testing, and in particular, to a method for determining a sound evaluation index of a wiper 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 wiper system directly affects the user's car experience, and the sound is one of the most intuitive experiences of the user in the process of using the wiper system. Sound design is critical to a wiper system. [0003] The existing evaluation of the sound performance of the wiper system mainly adopts the following two methods: one is for the detection of the noise during the operation of the wiper; the other is for the noise reduction method of the wiper during the operation. Detect and adjust the running speed...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M17/007G01H17/00
CPCG01M17/007G01H17/00
Inventor 杨雨圣邓建交毕金亮
Owner CHINA FIRST AUTOMOBILE