Genichi Taguchi

sandranallelyreyesdiazdeleon — 2022-03-02 01:24:03 UTC

1° The Loss Function
Taguchi designed a graphic descriptive scheme, through which loss was given a value that influences the other stages of the production process.
In this way, he managed to highlight a phenomenon that affects the quality of products and that can be solved by companies and their employees.
This loss value is not considered a sudden factor that definitively affects the final quality of the product. This means that it is expressed in values suitable for the different hierarchical levels of a production chain, this helps those who run the companies to recognize the value of the loss and the variability of production.
L = K * (Y – M)^2
It is the Teguchi quality loss function equation.
2° Continuous improvement.
He says the continuous improvement of the production process and the reduction of variability are essential to survive today. These factors are related.
The continuous improvement of the production process and the reduction of variability are essential to survive today. Both factors are closely related.
3° Variability
It can be quantified in monetary terms, the variability is the performance of the product, this causes a loss to the user, which can be measured as a picture of the difference between the actual performance and the target value.
4° Product design.
In this stage, quality is generated and the final cost of the product is determined.
5 °Optimization of product design.
a product can be designed based on the non-linear part of its response in order to reduce its variability.
6. Process design optimization.
Variability can be reduced through the design of experiments, by selecting the optimal levels of the variables involved in the manufacture of the product.
7.Quality engineering.
Add Taguchi also developed a methodology called quality engineering, which is divided into online and offline, as described below:
Online quality engineering
their respective activities are manufacturing, process control and correction, as well as preventive maintenance. One of the auxiliary techniques is the control chart.
Offline quality engineering
It is responsible for optimizing the design of products and processes. For its application, the design of experiments is used.

Joseph M. Juran

sandranallelyreyesdiazdeleon — 2022-03-02 01:44:12 UTC

Contributions to quality
1.- Pareto Principle:
With this principle, Juran promoted the observation and supervision of the different stages in which the product was formed, since carelessness along the way diminishes the quality of the product.
 2.- Quality management:
Through observation, Joseph Juran was able to recognize the main quality flaws in more traditional American companies: the main problems influencing business quality were resistance to change and poor human relations.
 Juran Trilogy
 Quality planning:
Planning is based on developing what the customer needs, whether it is a product or a service, and thus satisfying it.
 QA
It is the one who supplies the quality standards that will be used for the inspection
Quality improvement
Usually stems from error detection

2 quality authors by

Genichi Taguchi

Joseph M. Juran