A vibration response optimization design method for spur cylindrical gears

By using a design method based on gear geometry parameters and constraints, combined with the G1-variance coefficient method and the gravity search-simulated annealing hybrid algorithm, the vibration response of spur gears was optimized. This solved the problems of large computational load and complexity of traditional methods, reduced vibration and noise, and improved equipment lifespan.

CN116861585BActive Publication Date: 2026-07-10NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Filing Date
2023-07-04
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Existing technologies are insufficient for effectively optimizing the vibration response of spur gears, and traditional methods involve large computational loads and are not suitable for complex optimization problems.

Method used

A design method based on gear geometry parameters and constraints is adopted. The optimization objective function is established by combining the G1-variance coefficient method with weighted assignment. The optimal design parameters for the spur gear with the best vibration response are obtained by optimizing the solution through a Simulink simulation model and a gravity search-simulated annealing hybrid algorithm.

Benefits of technology

The dynamic response of the gear pair was optimized, reducing component vibration and support bearing load, lowering mechanical equipment noise, and improving service life.

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Abstract

The application discloses a kind of spur gear vibration response optimization design method, belong to gear technical field, including: based on the basic parameters of spur gear calculation gear geometric parameters, based on the range of optimization design parameter value calculated by gear geometric parameters and constraint condition;With gear vibration response as evaluation index, the optimization objective function is established by G1-variation coefficient method combination weighting;According to gear geometric parameters and gear dynamics theory, establish Simulink simulation model;Optimization objective function is optimized and solved using gravitational search-simulated annealing hybrid algorithm;According to gear geometric parameters, bearing contact characteristic parameters and Simulink simulation model, carry out spur gear vibration response simulation, obtain vibration response data;Using gravitational search-simulated annealing hybrid algorithm, until the vibration response optimal spur gear design parameter is obtained.The application is helpful to form spur gear vibration response optimization design model, improve spur gear design level and quality.
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