Method and system for estimating welding spot failure

The invention relates to the technical field of automobile computer aided design, in particular to a method for estimating welding spot failure. The method includes: obtaining first feature information and second feature information matched with the first connection object, and third feature information and fourth feature information matched with the second connection object; forming a first failure parameter, a first calculation factor and a second calculation factor according to the first feature information, the second feature information, the third feature information and the fourth feature information; forming first failure data and second failure data according to the first failure parameter, the first calculation factor and the second calculation factor; forming a welding spot failure collision model according to the first failure data and the second failure data; and obtaining welding spot failure risk parameters according to the collision model. 本发明涉及汽车计算机辅助设计技术领域，具体是一种焊点失效的预估方法及系统，其中一种焊点失效的预估方法，其中包括