5. Proposal of expert system for problem-solving process in SPC
As mentioned in chapter 3.2 good expert system can support problem-solving process in the
frame of SPC and lead to effective and quick realization of its subprocesses. The proposal of
expert system for SPC which is described in this chapter has two main parts: the block for
the selection of the control chart and so called identification block.
5.1 Block for selection of the control chart
This block is the universal part of the expert system. The steps that must be realised to
obtain the recommendation of the suitable control chart are described by the flow chart on
the Fig. 8.
The expert system must contain tools for verification of all statistical pre-conditions about
data. They are summarised in Table 3.