Page 308 - The Handbook for Quality Management a Complete Guide to Operational Excellence
P. 308

Measure stage objectives include (Keller, 2011a):

                                    •  Process definition. Define the process at a detailed level including
                                      decision points and functions.
                                    •  Metric definition. Define metric to reliably establish process estimates.
                                    •  Process  baseline.  Use  the  defined  metrics  to  establish  the  current
                                      state of the process, which should verify the assumptions of the
                                      Define stage. Determine whether the process is in statistical control.
                                    •  Measurement systems analysis. Quantify errors associated with the
                                      metric.


                      Process Definition
                                A process flowchart is simply a tool that graphically shows the inputs,
                                actions, and outputs of a given system. These terms are defined as follows:
                                   Inputs.  The  factors  of  production  or  service:  land,  materials,  labor,
                                   equipment, and management.
                                   Actions. The way in which the inputs are combined and manipulated
                                   in order to add value. Actions include procedures, handling, storage,
                                   transportation, and processing.
                                   Outputs.  The  products  or  services  created  by  acting  on  the  inputs.
                                   Outputs  are  delivered  to  the  customer  or  other  user.  Outputs  also
                                   include  unplanned  and  undesirable  results,  such  as  scrap,  rework,
                                   pollution, etc. Flowcharts should contain these outputs as well.
                                   Flowcharting  is  such  a  useful  activity  that  the  symbols  have  been
                                stand ardized by various ANSI standards. There are special symbols for
                                special processes, such as electronics or information systems. However,
                                in most cases activities are contained within simple rectangles; decision
                                points within diamonds, with one input and only two potential outputs
                                (a yes/no path).
                                   Flowcharts can be made either more complex or less complex. As a
                                rule of thumb, to paraphrase Albert Einstein, “Flowcharts should be as

                                                                                                295






          14_Pyzdek_Ch14_p293-304.indd   295                                                          11/20/12   10:32 PM
   303   304   305   306   307   308   309   310   311   312   313