An image forming apparatus for forming images on a recording medium on the basis of an electrophotography system includes a calculator for determining the quantities of state and quantities of control using fuzzy sets and for calculating, for each color, quantities of control. Each quantity of control...http://www.google.com.au/patents/US5465111?utm_source=gb-gplus-sharePatent US5465111 - Method and apparatus for correcting image formation using fuzzy logic
