4. Modifying Pre-Generated Rules

Complete the following steps to modify the pre-generated rules to use the correct consequents.

1. Select the first rule in the Rules list to display an IF THEN diagram that shows the Antecedents and Consequents of the rule.
2. In the THEN column, select neg-small as the linguistic term for the steering-angle output linguistic variable. Notice the consequent of the rule in the Rules list changes to THEN 'steering-angle' IS 'neg-small'.
3. Repeat steps 1 and 2 for each rule using the consequents in the following table:
   
   

   

4. Select File�Save to save the fuzzy system.

The fuzzy system now has a complete linguistic rule base with which to analyze input data and produce output data. However, the rule base returns the output data as linguistic terms. The fuzzy controller must defuzzify the output data before the output can apply to the control structure that the fuzzy system automates. You therefore must specify a defuzzification method for the fuzzy controller to use.

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