Straight toothed spur gear vibration response optimization design method

The invention discloses a straight toothed spur gear vibration response optimization design method, which belongs to the technical field of gears, and comprises the following steps: calculating gear geometric parameters based on basic parameters of a straight toothed spur gear, and calculating an optimization design parameter value range based on the gear geometric parameters and constraint conditions; taking the gear vibration response as an evaluation index, and establishing an optimization objective function through G1-variable coefficient method combination weighting; establishing a Simulink simulation model according to the gear geometric parameters and the gear dynamics theory; carrying out optimization solution on the optimization objective function by adopting a gravitational search-simulated annealing hybrid algorithm: carrying out straight spur gear vibration response simulation according to gear geometric parameters, bearing contact characteristic parameters and a Simulink simulation model to obtai