Employment Of Fuzzy Logic In Feature Diagrams To Model Variability In Software Families
Journal of Integrated Design & Process Science
Modeling and simulation of combinational CMOS logic circuits by ANFIS
Microelectronics Journal
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Real defects (e.g., resistive stuck at or bridging faults) in very large-scale integration (VLSI) circuits cause intermediate voltages which cannot be modeled as ideal shorts. In this paper, we first show that the traditional zero-resistance model is not sufficient for fault simulation. Then, we present a resistive fault model for real defects and use fuzzy logic techniques for fault simulation and test pattern generation at the gate level. Our method uses Takagi-Sugeno (TS) fuzzy system to accurately model digital VLSI circuits and produces much more realistic fault coverage compared to the conventional methods. The experimental results include the fault coverage and test-pattern statistics for the ISCAS85 benchmarks.