The analytical structure of interval type II fuzzy controllers plays an important role in system stability analysis.To address the issues of tedious and inefficient derivation of the analytical structure of interval type 2 fuzzy controllers,a product type operator and C...MORE The analytical structure of interval type II fuzzy controllers plays an important role in system stability analysis.To address the issues of tedious and inefficient derivation of the analytical structure of interval type 2 fuzzy controllers,a product type operator and Coupland-John reduction algorithm are designed for in...