Abstract
For electronic devices especially used in extreme-environment, it is very important to ensure high-reliability and long-lifetime operation; so it is significant to develop fault-tolerant mechanisms by adopting evolutionary algorithm. Based on EHW (evolvable hardware), this paper presents a new FPACA (field programmable analog cell array) which is an evolution-oriented reconfigurable architecture and can implement evolution of both analog and digital functions. Adopting single-chromosome evolutionary algorithm, we establish evolutionary reconfiguration mechanism to research the fault- tolerance of evolutionary analog circuits, such as amplifiers, filters or DAC (digital to analog converters). Comparing to FPTA, FPACA has the advantages of low hardware cost and convenience of software analysis and simulation. By implementing a typical amplifier circuit, we illustrate the fault-tolerance of FPACA analog circuits and the experimental results show the correctness and feasibility of FPACA.
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Ji, Q., Wang, Y., Xie, M., Cui, J. (2007). Research on Fault-Tolerance of Analog Circuits Based on Evolvable Hardware. In: Kang, L., Liu, Y., Zeng, S. (eds) Evolvable Systems: From Biology to Hardware. ICES 2007. Lecture Notes in Computer Science, vol 4684. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-74626-3_10
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DOI: https://doi.org/10.1007/978-3-540-74626-3_10
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