PLM(Product Lifecycle Management)System

本文详细介绍了PLM(产品生命周期管理)系统中各关键阶段的内容,包括产品构想、工程验证测试(EVT)、设计验证测试(DVT)、成熟度验证(DMT)、量产验证测试(MVT)、生产验证测试(PVT)以及最终的量产(MP)。每个阶段的目标、参与者及其主要任务都有详尽说明。

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http://blog.youkuaiyun.com/happy08god/article/details/17417435

PLM(Product Lifecycle Management)System:PLM是协助产品能够顺利完成在新产品开发(NPI:New Product Introduction),以及量产后的相关工程技术执行作业,大至分为五个阶段Planning(产品构想阶段),EVT(工程验证与测试阶段),DVT(设计验证与测试阶段),PVT(生产验证与测试阶段),MP(量产阶段)。

 EVT(Engineering Verification Test)工程验证测试阶段
产品开发初期的设计验证。许多产品刚设计出来仅为工程样本,问题很多需要把可能出现的设计问题一一修正,重点在考虑设计完整度,是否有遗漏任何规格。包括功能和安规测试,一般由RD对样品进行全面验证,因是样品,问题可能较多,测试可能会做N次。

DVT(Design Verification Test)设计验证测试阶段
此为研发的第2阶段,所有设计已全部完成,重点是找出设计问题,确保所有的设计都符合规格。由RD和DQA(Design Quality Assurance)验证。此时产品基本定型。

DMT(Design Maturity Test)成熟度验证
可与DVT同时进行,主要极限条件下测试产品的MTBF (Mean Time Between Failure),HALT(High Accelerated Life Test)& HASS(High Accelerated Stress Screen)等,是检验产品潜在缺陷的有效方法。

MVT( Mass-Production Verification Test)量产验证测试
验证量产时产品的大批量一致性,由DQA验证。

PVT(Production/Process Verification Test)生产/制程验证测试阶段
此阶段产品设计要全数完成,所有设计验证亦要结束,最后只是要做量产前的验证,确定工厂有办法依照标准作业流程做出当初设计的产品。 

MP(Mass Production)量产
当经过以上所有测试阶段,工厂便可将该设计进行大量生产,理论上要进入量产阶段,所有设计及生产问应该没有任何遗漏及错误,成为正式面市产品。
### Product Lifecycle Management (PLM) in IT Context Product Lifecycle Management (PLM) refers to the process of managing the entire lifecycle of a product from its inception, through design and manufacture, to service and disposal[^1]. In an IT context, PLM systems are software solutions that help organizations manage this complex process more effectively by integrating data, processes, people, and business systems. The primary objectives of PLM include improving product quality, reducing time-to-market, enhancing collaboration across teams, ensuring compliance with regulations, and optimizing resource utilization. By leveraging digital tools and platforms, companies can streamline their operations and make informed decisions based on real-time insights into product performance and customer feedback. In contrast to traditional project management techniques which focus primarily on planning, executing, monitoring, controlling, and closing projects within defined timelines and budgets, PLM takes a broader view encompassing all stages of a product's existence. This holistic approach ensures alignment between strategic goals and operational activities throughout different phases such as concept development, prototyping, production ramp-up, market launch, maintenance support, phase-out planning etc. A typical implementation might involve using specialized applications like PTC Windchill or Siemens Teamcenter alongside other enterprise systems including ERP (Enterprise Resource Planning), SCM (Supply Chain Management), CRM (Customer Relationship Management). These integrations enable seamless information flow across departments while maintaining version control over documents/files associated with each stage of the life cycle. Here’s how one could implement basic functionality programmatically: ```python class ProductLifecycleManagementSystem: def __init__(self): self.stages = ["Concept", "Design", "Prototyping", "Manufacturing", "Sales & Service", "End-of-Life"] def track_stage(self, current_stage_index): if 0 <= current_stage_index < len(self.stages): return f"Current Stage: {self.stages[current_stage_index]}" else: raise ValueError("Invalid stage index provided.") plm_system = ProductLifecycleManagementSystem() print(plm_system.track_stage(2)) # Example output showing 'Prototyping' stage. ```
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