Deming Cycle[戴明循环]

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持续的质量改进。 戴明循环(Deming Cycle)、PDCA循环、PDSA循环 的解析。

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戴明博士简介

威廉·爱德华兹·戴明(William Edwards Deming)是美国统计学家, 他与日本成长为制造业大国以及全面质量管理(Total Quality Management理论的问世关系甚密。 二战后,戴明与另一位美国质量管理大师约瑟夫·莫西·朱兰(Joseph M. Juran)随同盟军占领军来到了日本。 戴明将一系列质量改进方法带到了日本,其中就包括统计法和戴明循环(Deming Cycle)。 1960年,日本天皇为戴明授勋,以表彰他为日本企业所做的服务与贡献。戴明循环、PDCA 循环、PDSA循环


戴明循环、PDCA循环、PDSA循环

戴明循环,或称PDCA循环、PDSA循环,是一个质量持续改进模型, 它包括持续改进与不断学习的四个循环反复的步骤, 即计划(Plan)、执行(Do)、检查(Check/Study)、处理(Act)。 戴明循环有时也被为称戴明轮(Deming Wheel)或持续改进螺旋(Continuous Improvement Spiral)。 戴明循环的研究起源于20世纪20年代,有“统计质量控制之父”之称的著名的统计学家沃特·阿曼德·休哈特(Walter A. Shewhart)在当时引入了“计划-执行-检查(Plan-Do-See)”的概念, 戴明后将休哈特的PDS循环进一步发展成为: 计划-执行-检查-处理(Plan-Do-Study-Act)。
戴明循环与生产管理中的“改善”、“即时生产”紧密相关。
 

戴明循环的优点

  • 适用于日常管理,且同时适用于个体管理与团队管理;
  • 戴明循环的过程就是发现问题、解决问题的过程;
  • 适用于项目管理;
  • 有助于持续改进提高;
  • 有助于供应商管理;
  • 有助于人力资源管理;
  • 有助于新产品开发管理;
  • 有助于流程测试管理。

戴明循环的4个步骤

  • 计划(Plan): 计划先于变化, 分析、预测结果。
  • 执行(Do it): 执行计划,在可控环境下小幅迈进。
  • 检查(Check/Study): 检查执行结果。
  • 处理(Act): 采取处理措施,流程标准化,改进提高。

玛丽·沃森对戴明循环的诠释

玛丽·沃森(Mary Watson)在《戴明的管理方法》(The Deming Management Method)一书中,详细讲述了质量管理大师戴明的一生。 书中写道,作为工业发展史上的一个典型事例,日本的工业奇迹告诉我们,要实现这样的奇迹,一个国家必须以品质为重、目光长远, 而不能只顾医治眼前病痛,追求一剂见效,一鸣惊人。 在过去的40多年里,日本企业已经从低廉、低附加值产品的生产者发展成为举世闻名的高质量、精加工的制造商。 二战后,当戴明博士开始在美国宣传他的理论时,美国朝野还停留在战后的胜利喜悦中, 鲜有人理会戴明的说教。 但是,他和他的理论在日本却受到了意想不到的欢迎。时至今日,在日本企业的生产车间里,我们仍然能够找到戴明质量控制法的痕迹。


参考书: Mary Watson - The Deming Management Method[中译本《戴明的管理方法》,台湾天下文化出版社,1997] -


戴明循环论坛
  Still not fixed words error and new suggestion about Deming Chain
It was long time since Li Wei pointed out the words error, but they have not been fixed yet. Why here has no any lines to introduce Deming Chain? I suggest the author to add that, because Deming Chain explains the reason why organization should sp...
     
 
  Words error
这篇文章有几个错别字,看着扎眼:1)最后一段:“在过去的40多年里,日本企业已经从低廉、低附加值产品的生产者,发展成为举世闻名的高质量、精加工的制造上”中的“上”应为“商...
     
 
  Continuous Improvement is a Lifestyle
I do believe that everybody is much more than he thinks to be, thats why development & improvement are to me not only a paradigm for people, processes and technologies: it is a lifestyle.
In my professional life, I've been playing many differen...
     
 
  PDCA and ISO 9001 Standard
The ISO 9001 standard is based on the PDCA principle. You could say all certified companies are using PDCA.
However there are great differences in to what extent the companies are getting real value out of the practice. My experience is that ...
     
 
  Risks and Challenges in applying the Deming Cycle
What are the main risks and challenges in the execution of the Deming cycle method? Thanks......
     
 
  Deming / Nelson Funnel Experiment
I am researching the Deming / Nelson funnel experiment. Have any of you used it? How? What results did you achieve? I am especially interested in using the Deming / Nelson funnel to introduce continuous improvement / PDSA....
     
 
  How can We Put Deming's PDCA Theory in to Practice?
It is an excellent method that was introduced by Prof. Deming, but my fear is: how many of us are using it in the real work life? Are Bill Gates or Warren Buffer using these theories in their practical business environment?...
     
 
  Deming Cycle Supports Growth of Organisations
Improvements of operations or processes is vital for fast growing organizations, so I find Deming's cycle a good model to use....
     
 
  PDCA + Fayol's Theory + PMBOK
My own company is working on a new product development and transformation of management and conduct. For both projects, we applied the PDCA method into our application, but it seems not adequate enough, as it is a very genuine theory. Later, we tried...
     
 
  Investors in People - IiP
Investors in People is a HRM model which sets out a level of good practice for the training and development of people in order to achieve business goals. It is clearly based on the Deming Cycle. The IiP model contains three phases: 1. Developing stra...
     
 
  Deming /Shuarts cycle
My opinion, the Plan, Do, Check, Act cycle DOES work very well, even in the US. But, only if it is clearly understood, embraced and applied in an accountable manner. If people "have no real idea of what is going on" then... they need to find out, or...
     
 

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最佳实践 - 戴明循环 高级帐户
  What are Quality Circles?
In short, a quality circle (QC) is a participatory group of employees, aimed at solving problems related to their own jobs. They are normally found in manufacturing environments.
Definition of quality circle:
In their book Japanese Q...
     
 
  Deming Cycle is a Spiral
I like to conceptulaize the Deming cycle as a spiral, moving outward with each full turn, rather than a circle coming back to the same point. The idea is that improvement opens new space and leads to further improvement. The idea of a wheel rolling u...
     
 
  Kanban / Kaizen / JIT Manufacturing does not Work in the USA
I have just completed my first exposure to Kanban / Kaizen JIT manufacturing as an assembly technician. The system does not work in the USA!
The problem is - as I see it - that when you take away structure from the employees to the point that a...
     
 

Expert Tips (ENG) - Deming Cycle (PDSA) 高级帐户
 

How to Prepare for a PDCA?

Any PDCA process can be preceded and prepared with a FOCUS process. FOCUS is an acronym for Find, Organize, Clarify, Uncover, and Start.
The 5 FO...
Usage (application)The 5 Steps to Prepare for PDCA | FOCUS PDCA | FOCUS PDSA
 
 
 

Capturing Learned Lessons

Knowledge from bad and good experiences will lead you and your organization to better future performance. You can improve your learning culture with <...
Usage (application)Check / Study Phase
 
 
 

Alternate Process Improvement Model

The IDEAL Model.
Originally, the IDEAL model was a life-cycle model for software process improvement based upon the Capability Maturity Mo...
Usage (application)Process Improvement, Continuous Improvement, Kaizen, CMM
 
 
 

Levels of Quality Management

Joseph M. Juran taught quality approaches to the Japanese, and has been a significant academic in the quality focus worldwide. His philosophy emphasiz...
Usage (application)Implementation of Quality Philosophy
 
 
 

The Deming Prize

According to Dr. Samuel C. Certo Dean of school of business at Rollins College, the Deming Prize was established in 1951 by the Japanese Union of Scie...
Usage (application)Deming Cycle Benefits
 
 

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比较: Hoshin Kanri[方针管理] - Policy Deployment[政策展开]  |  8D Problem Solving[8D问题求解]  |  Six Sigma[六西格玛]  |  Value Chain[价值链]  |  Value Stream Mapping[价值流程图]  |  Quality Function Deployment[质量功能展开]  |  OODA Loop[包以德循环]  |  Fourteen Points of Management[质量管理14要点]  |  Training Within Industry[业内训练]  |  Value Engineering[价值工程]


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