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Optimization method for transmission precision of RV reducer

A technology of transmission accuracy and optimization method, which is applied in design optimization/simulation, instrumentation, special data processing applications, etc. It can solve the problems of high machining accuracy and difficulty in finding the optimal combination of transmission accuracy, so as to achieve accurate experimental results and save research Cost and time, effect of improving research efficiency

Active Publication Date: 2018-09-21
ZHEJIANG UNIV OF TECH
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Problems solved by technology

[0005] The present invention aims to solve the problem that it is difficult to distinguish the degree of influence of factors such as part error, part fit clearance, and working load on the transmission accuracy of the RV reducer in the process of optimizing the transmission accuracy of the RV reducer. It is difficult to find out the shortcomings of the optimal combination of transmission accuracy, and provide an optimization method for RV reducer transmission accuracy based on virtual prototype technology and BP neural network

Method used

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  • Optimization method for transmission precision of RV reducer
  • Optimization method for transmission precision of RV reducer
  • Optimization method for transmission precision of RV reducer

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Embodiment Construction

[0052] 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.

[0053] The present invention provides a method for optimizing the transmission accuracy of RV reducer based on virtual prototype technology and BP neural network. The process is as follows figure 1 , including the following steps:

[0054] S1. Factors affecting the transmission accuracy of the RV reducer mainly include three aspects: part error, part fit clearance, and working load;

[0055] S11. Select the RV40-E type reducer as the research object. According to the transmission relationship of the components, the two-stage cycloidal transmission is the main research part. Combined with the part error part of the "Practical Gear Design Calculation Manual", the crankshaft eccentricity and cycloidal wheel are selected. There are 5 influencing factors: distance train...

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Abstract

The invention discloses an optimization method for transmission precision of an RV reducer. The method comprises the following steps of determining influence factors of the transmission precision of the RV reducer, wherein the influence factors include a part error, a part fit clearance and a working load; constructing an orthogonal experiment scheme in combination with the influence factors; constructing virtual prototype experiment groups according to the orthogonal experiment scheme by adopting three-dimensional modeling software CREO and many-body dynamic simulation software ADAMS; measuring transmission errors of the virtual prototype experiment groups in the simulation software Adams; analyzing an orthogonal experiment result; and by taking orthogonal experiment result data as inputend data of a BP neural network, performing optimal combination prediction.

Description

technical field [0001] The invention relates to a method for optimizing the transmission accuracy of a high-precision robot RV reducer. Background technique [0002] Due to the manufacturing errors and assembly errors of the RV reducer parts, as well as the existence of temperature deformation and elastic deformation in the transmission process, the input and output rotation angle errors are unavoidable. Rotation angle error refers to the deviation between the actual rotation angle of the output shaft and the theoretical rotation angle, and is an important indicator for evaluating the transmission accuracy of the RV reducer. The application fields of RV reducer are mostly precision transmission devices that require high transmission accuracy, such as robots, radars, precision machine tools, etc. In order to ensure the accuracy of the position of the transmission device when it completes the same cycle of motion multiple times, RV reducer Must have high transmission accuracy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/20
Inventor 金寿松佟小涛王亚良黄雪梅曹海涛
Owner ZHEJIANG UNIV OF TECH
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