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

A dynamic load and formula calculation technology, applied in the direction of measuring devices, machine/structural component testing, vehicle testing, 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: 2021-10-29
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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  • Description
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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 to solve the existing technical problems of long period, low efficiency and high cost of measuring the load of the shaft head using the traditional sensor method

Method used

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  • Shaft head dynamic load calculation method, device, equipment and storage medium
  • Shaft head dynamic load calculation method, device, equipment and storage medium
  • Shaft head dynamic load calculation method, 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 device structure of the hardware operating environment involved in the solution of the embodiment of the present invention.

[0049] like 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 optionally inc...

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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, device, equipment and storage medium. The method includes: when the vehicle to be tested is tested under a preset road condition, collecting in real time working condition data corresponding to a sensor at a preset position on the vehicle to be tested; acquiring a transfer function corresponding to the sensor; according to the working condition data With the transfer function, the shaft head dynamic load is calculated by the preset inverse matrix formula. Through the above method, the time period is reduced when measuring the dynamic load of the shaft head, thereby reducing the cost and improving the efficiency.

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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Patent Type & Authority Patents(China)
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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