Hardware design of asynchronous fuzzy controllers

This paper presents a hardware approach to the design of fuzzy controllers which, by exploiting some peculiar characteristics of fuzzy logic computation, allows one to save power consumption and increase computing speed. We show that the computation involved in a fuzzy controller has some statistic features that can be exploited by asynchronous computation. This paper presents a quantitative study of the statistical properties of fuzzy computation. A design methodology is introduced, and two experimental applications are shown.

[1]  Alessandro De Gloria,et al.  Efficient semicustom micropipeline design , 1995, IEEE Trans. Very Large Scale Integr. Syst..

[2]  D. H. Jacobsohn,et al.  A Suggestion for a Fast Multiplier , 1964, IEEE Trans. Electron. Comput..

[3]  M. Sasaki,et al.  7.5 MFLIPS fuzzy microprocessor using SIMD and logic-in-memory structure , 1993, [Proceedings 1993] Second IEEE International Conference on Fuzzy Systems.

[4]  H. Watanabe,et al.  RISC approach to design of fuzzy processor architecture , 1992, [1992 Proceedings] IEEE International Conference on Fuzzy Systems.

[5]  Alessandro De Gloria,et al.  Statistical Carry Lookahead Adders , 1996, IEEE Trans. Computers.

[6]  H.-J. Zimmermann,et al.  Advanced fuzzy logic control technologies in automotive applications , 1992, [1992 Proceedings] IEEE International Conference on Fuzzy Systems.

[7]  Marly Roncken,et al.  Asynchronous circuits for low power: a DCC error corrector , 1994, IEEE Design & Test of Computers.

[8]  Lotfi A. Zadeh,et al.  The concept of a linguistic variable and its application to approximate reasoning-III , 1975, Inf. Sci..

[9]  P. Faraboschi,et al.  An optimized RISC instruction set for fuzzy applications , 1994, Proceedings of 1994 IEEE 3rd International Fuzzy Systems Conference.

[10]  Lotfi A. Zadeh,et al.  Outline of a New Approach to the Analysis of Complex Systems and Decision Processes , 1973, IEEE Trans. Syst. Man Cybern..

[11]  Paolo Faraboschi,et al.  Hardware solutions for fuzzy control , 1995, Proc. IEEE.

[12]  Bruce D. Shriver,et al.  Local Microcode Compaction Techniques , 1980, CSUR.

[13]  J. C. Ebergen.  Translating programs into delay-insensitive circuits , 1989 .