叙述了产品概念设计的界定、内容、方法和特点 ,采用正向推理与反馈的设计规则 ,建立了基于知识、面向用户需求的概念产品设计模型 ,并以机器人为设计实例作了说明 The definition, contents, methods and features of product conceptual design are described. The design rules of forward reasoning and feedback are established. The conceptual product design model based on knowledge and user-oriented requirements is established. The design example of robot is taken as an example