上游充通大￥ SHANGHAI JIAO TONG UNIVERSITY The generic product development process Planning consists of six phases Concept development Testing and System-level design refinement 八包 二0 Production Detail design ramp-up From Product Design and Development by Karl Ulrich and Steven Eppinger(McGraw-Hill/Irwin)The generic product development process Planning consists of six phases Concept development System-level design Detail design Testing and refinement Production ramp-up