Synthesis of analog circuits using a blackboard approach

ABSTRACT

A novel approach to the design automation of analog circuits is presented. The prototype implementation -OASE- has been realized as a set of cooperating expert systems with blackboard architectures. The circuit specific knowledge bases use hybrid representation schemes and are strictly separated from the execution engine. This alleviates the knowledge acquisition process as well as the extension and maintenance of existing knowledge. OASE has been developed as a design assistant, providing a hierarchical design style and fully embedded standard algorithmic tools.

REFERENCES

• 1: E. Berkcan, C.K. Kim, B. Currln, M. d'Abreu: From Analog Design Description To Layout: A New Approach To Analog Silicon Compilation; Proc. Custom Integrated Circuits Conference (CICC), 1989, 4.4
• 2: Bing I. Sheu, Antony H. Ftmg, Ying-Nan Lai: A Knowledge-Base Approach to Analog IC Design; IEEE Transactions on Circuits and Systems, Vol.35, No.2, 1988
• 3: Robert J. Bowman, David J. Lane: A Knowledge-Based System for Analog Integrated Circuit Design; Prec. Int. Conference on Computer Aided Design (ICCAD), 1985, pp.210-212
• 4: Robert J. Bowman: Representation of Analog Circuit Design Knowledge for Machine-Based Reasoning; Proc. Int. Workshop on AI Applications to CAD Systems for Electronics, Oct. 1987, pp. 51-62
• 5: L. Richard Carley , Rob A. Rutenbar, Knowledge-based systems relieve manual bottlenecks, IEEE Spectrum, v.25 n.8, p.26-30, August 1988 [doi>10.1109/6.7160]
• 6: L. Richard Caxley: Analog Circuit Synthesis and Exploration in OASYS; Proc. International Symposium on Circuit and Systems (ISCAS), 1988,Presymposium Workshop: Expert System Tools for Analog Signal Processing Applications
• 7: L.R Carley et al.: ACACIA: The CMU Analog Design System; Proc. Custom Integrated Circuits Conference (CICC), 1989, 4.3
• 8: Marc G.R. Degrauwe et. al.: An Analog Design Expert System; Prec. international Solid State Circuit Conference (ISSCC), 1987
• 9: Marc G.R. Degrauwe et al.: Towards an Analog System Design Environment; IEEE Journal of Solid-State Circuits, Vol. 24, No.3, June 1989, pp.659-671
• 10: F.M. E1-Turky, R.A. Nordin: BLADES: An Expert System For Analog Circuit Design; Proc. International Symposium on Circuit and Systems 0SCAS), 1986, pp.552- 555
• 11: Fatehy E1-Turky, Elizabeth E, Perry: BLADES: An Artificial Intelligence Approach to Analog Circuit Design; IEEE Transactions on Computer-Aided Design, Vol. 8, No. 6, June 1989, pp.680-692
• 12: R. Harjani , R. A. Rutenbar , L. R. Carley, A prototype framework for knowledge-based analog circuit synthesis, Proceedings of the 24th ACM/IEEE conference on Design automation, p.42-49, June 28-July 01, 1987, Miami Beach, Florida, United States [doi>10.1145/37888.37894]
• 13: E.S. Ochotta: The OASYS Vktual Machine: Formalizing the OASYS Analysis Synthesis Framework; Research Report No. CMUCAD-89-25, Masters Thesis, CMU, 1989
• 14: K. Milzner, F. Krohm' A Knowledge Based Simulation Environment; to appear in: Proc. Custom Integrated Circuits Conference (CICC), 1990
• 15: H. Onodera, H. Kanbara, K. Tamaru: Operational Amplifier Compilation with Performance Optimization; Proc. Custom Integrated Circuits Conference (CICC), 1989, 17.4
• 16: Helena Pohjonen: Expert System Support for Parametrized Analog Cells; Proc. international Symposium on Circuit and Systems (ISCAS), 1988, Presymposium Workshop: Expert System Tools for Analog Signal Processing Applications
• 17: B.J. Hosticka: CMOS Operational Amplifier, in "Design of VLSI Circuits for Telecommunications",Editor: Y. Tsividis, P. Antognetfi, Englewood Cliff N.Y., Prentice Hall 1985
• 18: R. Klinke: Entwurf eines leistungsarmen CMOS- Operationsverst~rkers mit Differenzausgang flit Schalter- Kondensator Anwendungen (in German), Studienarbeit der Universitlit Dortmund, 1984
• 19: Penny Nii, The blackboard model of problem solving, AI Magazine, v.7 n.2, p.38-53, Summer 1986
• 20: Penny Nii, Blackboard systems part two: Blackboard application systems, AI Magazine, v.7 n.3, p.82-106, August 1986

INDEX TERMS

Primary Classification:
  B. Hardware
  B.6 LOGIC DESIGN

Additional Classification:
  I. Computing Methodologies
  I.2 ARTIFICIAL INTELLIGENCE
      I.2.4 Knowledge Representation Formalisms and Methods
          Subjects: Representations (procedural and rule-based)
      I.2.6 Learning
          Subjects: Knowledge acquisition

  J. Computer Applications
  J.6 COMPUTER-AIDED ENGINEERING
      Subjects: Computer-aided design (CAD)

General Terms:
Algorithms, Design