Cab parameter optimization method and device

The invention provides a cab parameter optimization method and a device. The method comprises the following steps: determining a plurality of cab parameters and a plurality of influence factors influencing the plurality of cab parameters; constructing a sample library based on the plurality of influence factors and the plurality of cab parameters; constructing at least two single approximation models for at least one cab parameter in the plurality of cab parameters, and constructing a combined approximation model according to the at least two single approximation models; optimizing the combined approximation model based on a sample library and a preset optimization algorithm to obtain a cab parameter optimization model; and optimizing the plurality of cab parameters based on the cab parameter optimization model. According to the method, the cab parameters are optimized through the combined approximation model composed of the at least two single approximation models, the optimization precision of the cab param