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Shaft head dynamic load calculation method and device, equipment and storage medium

A technology of dynamic load and calculation method, applied in the testing of measuring devices, instruments, vehicles, etc., can solve the problems of low efficiency, long load cycle and high cost, and achieve the effect of high efficiency and cost reduction

Active Publication Date: 2019-11-05
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide a method, device, equipment and storage medium for calculating the dynamic load of the shaft head, aiming at solving the technical problems of long period, low efficiency and high cost of measuring the load of the shaft head by traditional sensor methods

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  • Shaft head dynamic load calculation method and device, equipment and storage medium
  • Shaft head dynamic load calculation method and device, equipment and storage medium
  • Shaft head dynamic load calculation method and device, equipment and storage medium

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Embodiment Construction

[0047] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0048] refer to figure 1 , figure 1 It is a schematic diagram of the electronic equipment structure of the hardware operating environment involved in the solution of the embodiment of the present invention.

[0049] Such as figure 1As shown, the electronic device may include: a processor 1001 , such as a central processing unit (Central Processing Unit, CPU), a communication bus 1002 , a user interface 1003 , a network interface 1004 , and a memory 1005 . Wherein, the communication bus 1002 is used to realize connection and communication between these components. The user interface 1003 may include a display screen (Display), an input unit such as a keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface and a wireless interface. The network interface 1004 may optional...

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Abstract

The invention belongs to the technical field of shaft head dynamic load testing, and discloses a shaft head dynamic load calculation method and device, equipment and a storage medium. The method includes the steps of during test of a car to be tested under a preset road condition, acquiring working condition data corresponding to a sensor at a preset position on the car to be tested in real time;acquiring a transfer function corresponding to the sensor; and according to the working condition data and the transfer function, calculating a dynamic load of a shaft head by means of a preset inverse matrix formula. In the above manner, when the dynamic load of the shaft head is measured, the time period is reduced, so that the cost is reduced and the efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of shaft head dynamic load testing, in particular to a shaft head dynamic load calculation method, device, equipment and storage medium. Background technique [0002] Vehicle noise, vibration and harshness (Noise, Vibration, Harshness NVH) performance is one of the key indicators to measure the performance of the vehicle. Vibration and noise caused by road conditions are important input sources of vehicle NVH. In the NVH simulation system, currently the most advanced road surface excitation vehicle interior vibration and noise analysis in the world usually has two methods, one is to use the tire displacement excitation generated by the road spectrum, that is, to load the displacement spectrum into the model by collecting the road surface displacement spectrum. The ground contact point of the dynamic tire is used to obtain the noise inside the vehicle; the other is to collect the dynamic load of the axle head...

Claims

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Application Information

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IPC IPC(8): G01M17/007G01M17/06G01M99/00
CPCG01M17/007G01M17/06G01M99/007
Inventor 周彬彬金定伟季佳伟王川岳涛汪小朋
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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