NVH objective quantification method based on market driving

A market-driven, quantitative method of technology, applied in instrumentation, business, data processing applications, etc., can solve problems such as random data distribution, difficult to quantify data indicators, and lack of methods for setting goals, so as to facilitate accurate measurement and avoid randomness Effect

Pending Publication Date: 2021-07-30
JIANGLING MOTORS
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AI Technical Summary

Problems solved by technology

However, the data distribution of competing cars is relatively random, lacking a specific method for setting goals, and it is difficult to quantify specific data indicators

Method used

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  • NVH objective quantification method based on market driving
  • NVH objective quantification method based on market driving
  • NVH objective quantification method based on market driving

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0029] Objectively quantify as follows:

[0030] (1) According to the positioning and sales forecast of the R&D model, compare the models sold on the market, and select the core competing products and general competing products compared with the R&D model positioning. In this embodiment, 6 vehicles are selected to be measured, including 2 core competing products Cars, 4 general competing cars;

[0031] (2) Test procedure (1) Selected core competing products and NVH performance data of general competing products. In this embodiment, the NVH data of 6 vehicles under idling conditions are tested, as shown in the following table:

[0032] Table 1 NVH data of core and general competing products under idling conditions

[0033]

[0034] (3) Calculate the average value of the core competing products. In this embodiment, the average value=(38.7+39.2) / 2=38.95.

[0035] (4) According to Calculate the standard deviation of core competing products and general competing products, wh...

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Abstract

The invention belongs to the field of automobile vibration and noise control (NVH), and particularly relates to an NVH objective quantification method based on market driving. According to the method, different grades of whole vehicle NVH objective target quantification methods are formulated based on market driving, a standard coefficient determination method based on a large number of tests is applied to the field of vehicle NVH, and therefore different market input NVH targets are accurately obtained. According to the method, an objective quantized NVH index can be provided for different market driving requirements, data processing based on the market driving requirements is standardized, randomness of subjective feeling is effectively avoided, accurate measurement based on market driving requirement targets is facilitated, different market driving quantized target values are determined, and a clear and objective quantitative target evaluation method is provided for working conditions such as idle speed, acceleration, deceleration and constant speed of the whole vehicle.

Description

technical field [0001] The invention belongs to the field of automobile vibration and noise control (NVH), and in particular relates to a market-driven NVH objective quantification method. Background technique [0002] The formulation of NVH targets mainly relies on market-driven input and competing car data. The market-driven input is mainly analyzed and forecasted through market data, and different levels of targets are formulated, including 1) being at the leading level; 2) higher than the average level of core competing products, But it has not reached the leading level; 3) The average level range of core competing products; 4) Four grades lower than the average level of core competing products. However, the data distribution of competing cars is relatively random, lacking a specific method for setting goals, and it is difficult to quantify specific data indicators. Contents of the invention [0003] Different grades of vehicle NVH objective target quantification meth...

Claims

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Application Information

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IPC IPC(8): G06Q30/02G06Q10/06
CPCG06Q10/0639G06Q30/0202
Inventor 林胜丁文敏钟秤平段龙杨陈清爽徐高新
Owner JIANGLING MOTORS
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