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Method and device for converting vehicle public road load and endurance test load

A technology of durability test and conversion method, which is applied in vehicle testing, measuring device, machine/structural component testing, etc., can solve problems such as not directly given, and achieve the realization of durability test load conversion and public road load conversion. Effect

Active Publication Date: 2022-02-01
VOYAH AUTOMOBILE TECH CO LTD
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Problems solved by technology

However, the core algorithm in the conversion process, that is, the algorithm of how to convert the load of the vehicle actually driven by the user on the public road into the endurance test load of the proving ground is not directly given.

Method used

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  • Method and device for converting vehicle public road load and endurance test load
  • Method and device for converting vehicle public road load and endurance test load

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Embodiment Construction

[0082] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on The embodiments of the present invention and all other embodiments obtained by persons of ordinary skill in the art belong to the protection scope of the embodiments of the present invention.

[0083] see figure 1 , figure 1 It is a flow chart of a method for converting public road loads and endurance test loads of vehicles provided by an embodiment of the present invention, specifically including steps 11 to 13.

[0084] Step 11, obtaining public road load data and endurance test load data of the target vehicle.

[0085] Specifically, the target vehicle may be a vehicle obtained by setting type classification criteria based on the displacement, ...

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Abstract

The invention relates to the technical field of vehicle durability tests, in particular to a conversion method and device for vehicle public road loads and durability test loads. In this method, the public road load data and durability test load data of the target vehicle are firstly obtained; then the deviation between the product of the durability test load data and the position matrix of the particle swarm and the public road load data is used as the fitness function to establish the initial particle swarm Algorithm model; finally update the position matrix of the particle swarm by using the velocity matrix of the particle swarm, iteratively calculate the position matrix of the particle swarm, reduce the product of the durability test load data and the position matrix of the particle swarm According to the deviation of public road load data, the transformation matrix of public road load and endurance test load is obtained. The invention can effectively establish the conversion relationship between the public road load and the durability test load, thereby realizing the conversion of the vehicle durability test load and the public road load.

Description

technical field [0001] The invention relates to the technical field of vehicle durability tests, in particular to a conversion method and device for vehicle public road loads and durability test loads. Background technique [0002] As one of the most important performances of automobiles, the durability of automobiles has attracted widespread attention from various OEMs. During the research and development stage of automobiles, OEMs will conduct a large number of vehicle durability tests to verify the durability of the entire vehicle. If the intensity of the vehicle durability test exceeds the intensity of the user's actual driving of the vehicle on public roads, it will lead to over-design of the vehicle. If the strength of the vehicle durability test is less than the strength of the user's actual driving of the vehicle on public roads, it will lead to durable failures such as cracking after the car is launched. Therefore, the strength of the durability test in the automob...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M17/007G06N3/00
CPCG01M17/007G06N3/006
Inventor 丁鼎韩广宇张永仁卢放
Owner VOYAH AUTOMOBILE TECH CO LTD
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