Redundancy Analysis and Six Sigma

When implementing innovative techniques, though, it isdifferent function, independent of Six Sigma audits
important to remember that not all of them will work.within the DMAIC and DMADV methodologies.
In fact, some innovations may lead to failures orSome Six sigma implementations result in redundancy
redundancies within the system, both of which cost thedue to a failure of company employees to embrace
corporation in terms of money.the system and the changes it promotes.
Six Sigma tools are no exception, although the systemWhile the negative attitude factor is second to the
does allow for redundancy correction.incorrect use of Six Sigma techniques in the first place,
One Size Does Not Fit Allit is still a matter which needs to be addressed.
First of all, it is important to note that just because aMany times, employees labor under the assumption
certain Six Sigma tool worked well in one companythat Six Sigma results will inevitably lead to downsizing,
does not mean the success will transfer over to otherand thus do not display interest in the project.
companies, necessarily.Departments also have a hard time accepting the
Remember that the idea of Six Sigma is to employeeprocess due to the long time span it can take to
the methodologies in a process where there is anachieve desired results.
opportunity to reduce waste and defects. WithoutThere are no special tools that have been developed
determining the effects that Six Sigma implementationat this time when it comes to finding the root cause of
may have on a business process, the chances ofredundancies.
redundancies occurring go up.Theory of Invention Problem Solving (TRIZ) has been
This is why Six Sigma professionals make a point ofemployed by some Six Sigma professionals, but most
analyzing the techniques used, so they can determinecontinue to use the basic tools available for
the root cause of any redundancies.implementation.
Remember, though, that the implementation of the SixThe procedures used to find faults during
Sigma process has probably occurred over a longimplementation can be repeated in the search for
time span, in many cases four to six months,redundancy causes.
depending of course on the size of the project.In order to ensure the proper detection of any root
Determining Redundancy Causescause, it is essential that an employee who is senior
In order to determine the root cause of a redundancy,and has been in the corporation for a long time handle
Six Sigma professionals must look at various areas,the project.
including choice of project, failure modes and effectsThe knowledge about existing processes and systems
analysis (FMEA), assessment of measurementpossessed by this type of employee will be thorough,
system, analysis of variance through ANOVA, andthus making it easier for her to detect the root cause.
statistical process control.An employee in this position is likely to have a better
Six Sigma professionals will also look at documentsrelationship with other employees in the department,
created during the implementation stage to find thewho may be reluctant to share negative views of Six
root cause of redundancies.Sigma with anyone else.
It is important to note that this process is a completely