Gear knock simulation method and system for automatic gearbox of wet dual clutch

A wet dual clutch, automatic transmission technology, applied in the field of computer simulation, can solve problems such as the inability to eliminate or reduce knocking noise.

Active Publication Date: 2017-09-05
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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  • Abstract
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Problems solved by technology

[0007] The present invention provides a gear knocking simulation method and system of a wet double-clutch automatic

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  • Gear knock simulation method and system for automatic gearbox of wet dual clutch
  • Gear knock simulation method and system for automatic gearbox of wet dual clutch
  • Gear knock simulation method and system for automatic gearbox of wet dual clutch

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[0060] The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals indicate the same or similar parameters or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary, and are only used to explain the present invention, and cannot be construed as limiting the present invention.

[0061] The purpose of the present invention is to provide an accurate and efficient gear knocking simulation method for a wet dual-clutch automatic gearbox, which is used to better guide the design of gearbox products, so as to improve development efficiency and save development costs. The model provided by the present invention includes the moment of inertia, stiffness, damping, contact relationship and various losses of each component of the drive train. The commercial software AMESim is used to es...

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Abstract

The invention discloses a gear knock simulation method and system for an automatic gearbox of a wet dual clutch. The method comprises the following steps: pre-collecting a material, wherein the material comprises a structure principle chart of a power transmission system, a key parameter of a transmission part and a three-dimensional model of each gear shaft system; pre-utilizing the structure principle chart of the power transmission system and constructing a knock simulation model of the whole power transmission system according to a lump-mass method; then constructing mass equivalent models of all parts in the power transmission system according to the material; successively constructing sub models of all the parts according to the mass equivalent models of all the parts; inputting the sub models of all the parts and the key parameter of the transmission part into the knock simulation model; as the torsional vibration of the transmission system is an important factor generated by gear knock, the sub models of all the parts and the key parameter of the transmission part can briefly and accurately reflect the torsional vibration, so that the knock simulation method and system disclosed by the invention can perform gear knock simulation on power transmission systems under different working conditions.

Description

Technical field [0001] The invention relates to the technical field of computer simulation, in particular to a method and system for simulating a wet dual-clutch automatic gearbox gear knocking. Background technique [0002] The gearbox is one of the core components of the vehicle power transmission system. Its task is to transform the power obtained from the engine and transfer it to the driving wheels to meet the requirements of vehicle driving. [0003] Because the gas explosion pressure of the engine changes periodically and the unbalanced inertial force generated by the reciprocating movement of the piston, the output torque of the engine is unstable and the output speed fluctuates periodically. There is a meshing gap between the gears in the gearbox. The driving gear is affected by the fluctuation of the engine speed. Under the action of the inertial force of the light-loaded or no-load driven gear, the tooth surface will have repeated impacts of disengagement and contact, ca...

Claims

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/17G06F30/20Y02E60/00
Inventor 朱凌云陈伟刘炼营
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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