Response surface method-based engine compartment and seat ring opening reliability calculation system and method

The invention relates to an engine compartment and seat ring opening reliability calculation system and method based on a response surface method, and belongs to the field of reliability evaluation. The system comprises a power cabin and cabin opening position virtual test design module, an opening position dynamics simulation module, an opening deformation response surface module and a reliability calculation module, the virtual test design module is firstly constructed, and a test scheme is determined; constructing a dynamic simulation module of the power cabin and the seat ring of the tracked vehicle, and obtaining the deformation of the opening positions of the power cabin and the seat ring under different working conditions and different test schemes; establishing an opening deformation response surface module according to the engine compartment and seat ring opening deformation and a nonlinear least square method; and obtaining the task reliability of the engine compartment and the seat ring opening thr