Idling noise optimization method, device and equipment and storage medium

An optimization method and noise technology, applied in the direction of measuring devices, measuring ultrasonic/sonic/infrasonic waves, instruments, etc., can solve problems such as the inability to confirm the size and contribution of the powertrain and exhaust, and the inability to optimize the idling noise of the whole vehicle, etc.

Inactive Publication Date: 2020-08-28
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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Problems solved by technology

[0004] The main purpose of the present invention is an idling noise optimization method, device, equipment, and storage medium, aiming to solve the problem of relying on the experience of NVH engineers in the prior art, which is relatively subjective, and the f...

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  • Idling noise optimization method, device and equipment and storage medium
  • Idling noise optimization method, device and equipment and storage medium
  • Idling noise optimization method, device and equipment and storage medium

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Embodiment Construction

[0058] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0059] The solution of the embodiment of the present invention is mainly: the present invention obtains the corresponding target noise by performing shielding and disconnection operation on the preset components of the vehicle to be tested in the preset test environment; according to the target noise, through the preset sound pressure The formula obtains the noise contribution of each noise of the vehicle to be detected under the idling condition; determines the noise optimization plan of the vehicle to be detected according to the noise contribution; can quickly and effectively solve the main problem points that affect the idling noise in the vehicle Carry out optimization to improve the NVH performance of the whole vehicle, so as to optimize the idling noise of the whole vehicle in a targeted, fast and effective mann...

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Abstract

The invention discloses an idling noise optimization method, device and equipment and a storage medium. The method comprises the steps: carrying out the shielding disconnection operation of a preset part of a to-be-detected vehicle in a preset testing environment, so as to obtain corresponding target noise; according to the target noise and a preset sound pressure formula, obtaining the noise contribution of each noise of the to-be-detected vehicle under the idling working condition; and determining a noise optimization scheme of the to-be-detected vehicle according to the noise contribution amount, so that main problem points influencing idle noise in the vehicle can be quickly and effectively optimized, the NVH performance of the whole vehicle is improved, and the idle noise of the wholevehicle can be quickly and effectively optimized in a targeted manner.

Description

technical field [0001] The invention relates to the field of automobile noise reduction, in particular to an idle noise optimization method, device, equipment and storage medium. Background technique [0002] With the continuous improvement of people's requirements for car comfort, the NVH (Noise, noise; Vibration, vibration; Harshness, sound-vibration roughness) performance of cars has been paid more and more attention by people. The first thing to perceive is also an important factor to evaluate the NVH performance of the whole vehicle; because the noise components contained in the idling noise are relatively complex, including both structural sound and radiation sound, there is no good method for separation and contribution decomposition. The contribution of idling noise has not been clearly analyzed, which is not conducive to the noise reduction work. [0003] Existing methods mainly rely on the experience of NVH engineers, which are relatively subjective. Spectrum anal...

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Application Information

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IPC IPC(8): G01M17/007G01H17/00
CPCG01H17/00G01M17/007
Inventor 冯雷田静周彬彬张静胡庆春
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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