Define Measure Analyze Improve Control

Lean Six Sigma is a continuous comeback methodology that focuses on the elimination of waste and reduction of variation from manufacturing, service and design processes. The Lean methodology aims at reducing non-value activities and cycle times while creating value for customers. Half dozen Sigma identifies and reduces variability, improving overall quality. LSS tin can reduce your costs and help yous retain and even gain more customers.
DMAIC vs DMADV
LSS prescribes an improvement process known every bit DMAIC (Define—Measure—Analyze—Improve—Control). However, its application is limited to improving existing processes. It doesn't accost the design of new products, services, or processes.

For developing a new product, service or process, there'due south a modified version called DFSS (Design for Vi Sigma). The process virtually oftentimes used in DFSS is called DMADV (Define—Measure—Analyze—Design—Verify).

DMAIC (Define—Measure—Analyze—Meliorate—Control)

DMAIC is the more than well-known and most-used LSS project method. DMAIC focuses on improving an existing process by incorporating the following phases:

Phase	Description
Define	Define the problem, output to be improved, customers, and process associated with the problem.
Measure	Collect data from the procedure to establish a baseline for the improvements.
Analyze	Clarify the data to observe the root causes of defects.
Improve	Develop, examination, and implement solutions to improve the process.
Command	Implement process controls to sustain the improvements.

DMADV (Ascertain—Measure out—Analyze—Design—Verify)

DMADV is focused on the process of designing a new product, service or process, incorporating the following phases:

Phase	Description
Ascertain	Define the process and design goals.
Measure	Measure out and identify critical-to-quality characteristics of the product, service or process. This includes risk and production capabilities.
Analyze	Analyze the information to find the best design.
Pattern	Design and test the product, service or process.
Verify	Ensure that the pattern output meets the design input requirements (verification) and that the designed product performs satisfactorily nether real or simulated conditions of intended use (validation).

DMADVO is a lesser known DFSS method. The deviation betwixt DMADV and DMADVO is that "O" or "Optimize" has been added. Thus, DMADVO prioritizes the need for the arrangement to optimize the design afterwards implementation.

Similarities of DMAIC and DMADV

Both DMAIC and DMADV:

Use structured methods to reduce variation and solve issues
Collect and analyze data to make informed decisions
Use teams to solve problems
Have a customer focus
Use many of the same tools (brainstorming, FMEA, DOE)

Differences of DMAIC and DMADV

DMAIC addresses the current process; DMADV addresses the design procedure.
DMAIC reduces/eliminates defects (reactive); DMADV prevents defects (proactive).
DMAIC includes specific solutions; DMADV is part of the solution design procedure.
DMAIC includes controls to sustain the gains; DMADV includes verification and validation of the finished design.

DMAIC and DMADV provide a structured procedure for improvement. When applied properly with the applicable improvement tools, they can help ensure the success of your LSS projects, which can reduce costs and increase customer satisfaction.

About Purdue's Online Lean 6 Sigma (LSS) Document Program

Purdue University offers comprehensive online Lean Six Sigma (LSS) document programs designed for working professionals with varying levels of Lean Six Sigma experience. The online Lean Six Sigma certificate courses fix professionals to satisfy the immense demand for Lean expertise, skills and certification.

Purdue offers the following courses 100% online:

Six Sigma Green Belt
Lean Principles
Half dozen Sigma Blackness Chugalug
Six Sigma Light-green Chugalug Refresher

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