Six sigma六西格玛
Six sigma is a technique used to continuously improve the process, decrease the failure rate, and mistakes, and improve the quality so on. Six sigma has a few very difficult conditions to achieve the six sigma such as only 3.4% of defects being allowed every million opportunities. It may have a few components in achieving six sigma, which are the define, measure, analyze, improve and also control. For example, the company that has obtained the six sigma certification is the dabbawalas.
六西格玛是一种用于持续改进过程、降低故障率、错误和提高质量等的技术。六西格玛几乎没有非常困难的条件来实现六西格玛，例如每百万次机会中只有 3.4% 的缺陷被允许。实现六西格玛的要素可能很少，即定义、测量、分析、改进和控制。例如，获得六西格玛认证的公司是达巴瓦拉斯。
Employee empowerment员工授权
Employee empowerment is to give the employees a certain degree of the freedom and power to make their own decisions based on their own perspectives without asking for top leaders. This technique can increase quality but also with a higher risk if the employee is not good enough to hold the work and project. This technique may be helpful to decrease the reaction time to a certain decision or changer, especially while the range between employees is far away which can save more time and cost. For example, the company gives the employee the right to access the data, and manage and hire extra employees.
员工授权是赋予员工一定程度的自由和权力，可以根据自己的观点做出自己的决定，而不需要高层领导。如果员工不足以胜任工作和项目，这种技术可以提高质量，但也会带来更高的风险。这种技术可能有助于减少对某个决定或变更者的反应时间，特别是在员工之间的距离较远的情况下，可以节省更多的时间和成本。例如，公司赋予员工访问数据、管理和雇用额外员工的权利。
Continuous Improvement 持续性改进
Continuous improvement is a process that implements non-stop improvement to everything such as the product, process, services, and so on. This technique usually starts with observing, collecting, and finding solutions to improve everything and trying to break through the barrier to another stage to obtain improvement. There are actually many tools to help in the implementation of continuous improvement. FOr example, the PDCA model is to plan, do, check, and act. This technique should take more time to be mature and see its effectiveness sometimes.
持续改进是对产品、流程、服务等一切事物进行不间断改进的过程。这种技术通常从观察、收集和寻找解决方案开始，以改进一切，并尝试突破障碍进入另一个阶段以获得改进。实际上有很多工具可以帮助实施持续改进。例如，PDCA模型是计划、执行、检查和行动。这种技术应该需要更多的时间才能成熟并有时会看到效果。
Just-In-Time (JIT)准时制 (JIT)
Just in time is a technique that is more related to the process, especially appearing often in the supply chain and production line. It was some kind of pulling system or method. This is because, in the just-in-time technique, the supply will only appear while there is a need, which means that needed to pull the supply. There will be no or less stock for future use. This technique will allow the reduction of the inventory level but it was asking for a higher skill and condition in the management of the employee. The just-in-time technique will be more effective if the process can be shortened and simplified. For example, while the material is almost finished and another batch of material has come just at the right time.
准时制是一种与工艺关系更密切的技术，尤其是经常出现在供应链和生产线中。这是某种拉动系统或方法。这是因为在及时技术中，供应只会在需要时出现，这意味着需要拉动供应。将来使用的库存将没有或更少。这种技术将允许降低库存水平，但它要求更高的员工管理技能和条件。如果可以缩短和简化流程，及时技术将更加有效。例如，当材料快要完成时，另一批材料来得正是时候。
Taguchi Concepts田口概念
Taguchi concepts are design methods that are used to improve the product and process. It can be done by identifying the key component and process variables so on. It was focused on identifying and finding out every inefficient or defect and trying to decrease and eliminate the error. Sometimes the Taguchi concept is also known as robustness design which is actually having the ability to continuously produce the product without being affected by the annoying environment.
田口概念是用于改进产品和流程的设计方法。可以通过识别关键组件和过程变量等来完成。它专注于识别和找出每一个低效或缺陷，并试图减少和消除错误。有时田口概念也被称为稳健性设计，它实际上具有连续生产产品而不受烦人环境影响的能力。
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