Developing android application to guide lean six sigma pdca project
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Date
2018-05
Authors
Ong, Sin Joo
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Abstract
The knowledge of Lean Six Sigma can be learned through online training, university course
and company training program. There is no existing guideline available for practitioner to
carry out the Plan-Do-Check-Act (PDCA). This often leads to confusions and misuse of
lean tools. Mobile application grows rapidly with abundant of application development.
This research aims to develop an Android-based approach to provide guidelines of PDCA.
Massachusetts Institute of Technology (MIT) App Inventor was selected as the application
development platform. Guidelines to PDCA, including the associated lean tools for
different stages were collected from the literature review. The graphical user interface was
designed by follow with application algorithm. Testing of the application was conducted
on seven projects from six yellow belt and four advanced lean students. The results
obtained through the system usability scale (SUS) survey were analyzed and discussed.
The SUS score obtained from the seven projects were in a range of 52.5 to 67.5 which
considered as a moderate system and seek for improvement. Improvements were made
accordingly. As the practical contribution, the work produces a ready to use mobile
application to help practitioners in particular those in the industry at the early stage of lean
journey. The mobile application provides guidance for them to ensure methodological
problem solving. Some recommendations were suggested for future development.