一、引言随着创新的不断加快,设计过程中的更改频次在逐渐增多,当客户需求变化、新产品标准实施、产品出现质量问题,以及生产制造过程中出现偏差时,都需要进行设计更改(也称设计变更),以符合顾客或市场对新产品要求。在产品日益复杂的情况下,单个产品或者部件的设计更改往往引发系统“雪崩”效应,造成整个产品系统的 I. INTRODUCTION As innovation continues to accelerate, the frequency of changes in the design process is gradually increasing. Design changes are required when customer needs change, new product standards are implemented, product quality problems occur, and manufacturing process deviations occur Also known as design changes) to meet the customer or the market for new product requirements. In the increasingly complex product circumstances, the design changes of a single product or component often lead to system “avalanche ” effect, resulting in the entire product system