一、生产计划.调度系统(PPS)的任务汽车业协作厂的竞争能力和生产效率主要取决于其产品的质量和价格。但是,仅此是不够的。协作厂的供应对象——各汽车制造厂,在其科学生产管理中力求减少成品和协作件的库存,他们要求协作厂的供货期限 1. Tasks of the Production Planning and Dispatch System (PPS) The competitiveness and production efficiency of the auto industry collaboration plant mainly depend on the quality and price of its products. However, this alone is not enough. The suppliers of collaboration plants - each automobile manufacturer - seek to reduce the inventory of finished products and collaboration parts in their scientific production management, and they require the supply period of the collaboration plant.