# Overview for Create Taguchi Design

Use Create Taguchi Design to create a robust parameter design to identify controllable factors in your process that can minimize response variation and make your product insensitive to changes in noise factors. Taguchi designs include control factors, which are factors in the process that you can control, and noise factors, which are factors that you cannot control when the product or process is in use.

Minitab provides two types of Taguchi designs. When you create a design, Minitab stores the design information in the worksheet.
Static design
In a static design, the response has a fixed mean that you are trying to optimize while keeping variation to a minimum.
Once you have collected your data, use Analyze Taguchi Design (Static) to analyze the data.
Dynamic design
In a dynamic design, the response is measured at each level of the signal factor. The goal of the experiment is to improve the relationship between the signal factor and the response.
After you have collected your data, use Analyze Taguchi Design (Dynamic) to analyze the data.

For example, an engineer for a golf equipment manufacturer wants to design a new golf ball that has better flight distance. The engineer has identified four control factors (core material, core diameter, number of dimples, and cover thickness) and one noise factor (type of golf club). Because there is no signal factor, the engineer creates a static Taguchi design.

This Minitab worksheet shows a portion of a static Taguchi design. After collecting the data, the engineer enters the response data in the empty columns of the worksheet and analyzes the design.

C1-T C2 C3 C4 C5 C6
Core material Core diameter Dimples Cover Driver 5-Iron
Liquid 118 392 0.03
Liquid 118 392 0.06
Liquid 156 422 0.03
Liquid 156 422 0.06
Tungsten 118 422 0.03
Tungsten 118 422 0.06
Tungsten 156 392 0.03
Tungsten 156 392 0.06

## Where to find this analysis

Stat > DOE > Taguchi > Create Taguchi Design

## When to use an alternate analysis

If you already have the factor columns in a worksheet, use Define Custom Taguchi Design. Custom designs let you specify which columns are the factors and any other design columns that you already have.

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