Abstract: A standardized microcontroller-based fuzzy logic processing module for generating control signal values in response to variable input signal values in accordance with constraints imposed by propositions or "rules" stored in memory in a standardized format. Each rule consists of one or more input conditions and an output directive. Each input signal and the output signal values are characterizable by their degree of membership in a predetermined number of fuzzy sets, each fuzzy set being defined by a membership function. Each input condition is composed of a reference to a particular input variable, which has been preprocessed into integer (whole number) normalized form and a reference to a membership function. Each output directive includes a reference to a further membership function.
Type:
Grant
Filed:
September 22, 1994
Date of Patent:
February 13, 1996
Assignee:
Ford Motor Company
Inventors:
Dinu P. Madau, Lee A. Feldkamp, Steven H. Seippel, Fumin Yuan, Leighton I. Davis