A wet dual-clutch automatic transmission gear knocking simulation method and system

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: 2019-09-24
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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 transmission, which solves the problem that the prior art cannot fundamentally eliminate or reduce the knocking noise

Method used

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  • A wet dual-clutch automatic transmission gear knocking simulation method and system
  • A wet dual-clutch automatic transmission gear knocking simulation method and system
  • A wet dual-clutch automatic transmission gear knocking simulation method and system

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Embodiment Construction

[0060] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar parameters or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0061] The purpose of the present invention is to propose an accurate and efficient gear knocking simulation method for a wet dual-clutch automatic gearbox, which is used to better guide gearbox product design, 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 part of the transmission system. The commercial software AMESim is used to establish a wet-type dual The percussion simulation...

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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 gear knocking simulation of a wet double-clutch automatic transmission. Background technique [0002] The gearbox is one of the core components of the vehicle's power transmission system. Its task is to transform the power obtained from the engine and transmit it to the driving wheels, so as to meet the driving requirements of the vehicle. [0003] Since the gas explosion pressure of the engine changes periodically, coupled with the unbalanced inertial force generated by the reciprocating motion 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, and the light-loaded or no-load driven gear is under the action of inertial force. The tooth surface will have repeated imp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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