Fusion sensor design optimization method and device

The invention provides a fusion sensor design optimization method and device, and relates to the technical field of sensors, and the method comprises the steps: obtaining a fusion sensor according to piezoelectric element data, spring data, matching base data and ultrasonic input voltage of the fusion sensor; the ultrasonic output sensitivity, the ultrasonic resonant frequency, the vibration output sensitivity and the vibration working frequency band are obtained respectively; generating a parameter group by taking the vibration output sensitivity, the vibration working frequency band, the ultrasonic resonant frequency and the ultrasonic output sensitivity as parameters, and generating a plurality of parameter groups through a preset multi-objective optimization genetic algorithm according to the parameter group; and obtaining a comprehensive score corresponding to each parameter group through the weight relationship, and determining the parameter group corresponding to the maximum weight as an optimal parame