Patent · US Expired

Fuzzy logic ladder diagram program for a machine or process controller

US5285376A · kind A · utility

28Cited by
13References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 24, 1991
Grant dateFeb 8, 1994
Priority date
Expiry dateOct 24, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S706/90
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

Fuzzy logic programming is provided for machine and process controllers. New input and output instructions are devised for ladder diagram programming, as well as methods of downloading fuzzy logic instructions from a programming terminal to a programmable controller processor and methods for executing such instructions in the programmable controller processor.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.