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High level fault modeling and fault propagation in analog circuits using NLARX automated model generation technique

Farooq, Muhammad Umer and Xia, Likun and Hussin, Fawnizu Azmadi and Malik, Aamir Saeed (2012) High level fault modeling and fault propagation in analog circuits using NLARX automated model generation technique. In: 4th International Conference on Intelligent and Advanced Systems (ICIAS 2012), 12-14 June 2012, Kuala Lumpur.

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Abstract

It is known that fault modeling and fault propagation in analog circuits are extremely important and more challenging than in digital circuits. Several automated model generation (AMG) techniques are developed to model the nonlinear behavior of faulty analog circuits. However, most of the modeling techniques are performed under the MATLAB environment which is impractical and the models cannot be utilized in electronic circuits. To perform high level fault modeling (HLFM) and fault propagation (FP) on system level, the models need to be translated into hardware description language (HDL) models such as VHDL-AMS or Verilog-AMS models. In this paper, several faults are modeled for transistor level analog circuits using nonlinear autoregressive exogenous (NLARX) AMG technique in MATLAB. The resulting MATLAB models are translated into VHDL-AMS behavioral models. HLFM and FP are successfully implemented for benchmark analog circuits: inverting amplifier and biquadratic low-pass filter circuits.

Item Type:Conference or Workshop Item (Paper)
Academic Subject One:Academic Department - Electrical And Electronics - Pervasisve Systems - Analogue Electronics - Analogue Integrated Circuit Design
Departments / MOR / COE:Centre of Excellence > Center for Intelligent Signal and Imaging Research
ID Code:11986
Deposited By: Dr Fawnizu Azmadi Hussin
Deposited On:07 Oct 2016 01:42
Last Modified:19 Jan 2017 08:21

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