TFI-FTS: An efficient transient fault injection and faulttolerant system for asynchronous circuits on FPGA platform.
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| Title: | TFI-FTS: An efficient transient fault injection and faulttolerant system for asynchronous circuits on FPGA platform. |
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| Authors: | Y. N., Sharath Kumar1 sharathkumaryn@gmail.com, P., Dinesha2 |
| Source: | International Journal of Electrical & Computer Engineering (2088-8708). Jun2021, Vol. 11 Issue 3, p2705-2711. 7p. |
| Subjects: | Asynchronous circuits, Very large scale circuit integration, Digital electronics, Threshold logic, Logic circuits |
| Abstract: | Designing VLSI digital circuits is challenging tasks because of testing the circuits concerning design time. The reliability and productivity of digital integrated circuits are primarily affected by the defects in the manufacturing process or systems. If the defects are more in the systems, which leads the fault in the systems. The fault tolerant systems are necessary to overcome the faults in the VLSI digital circuits. In this research article, asynchronous circuits based on effective transient fault injection (TFI) and fault tolerant system (FTS) are modeled. The TFI system generates the faults based on BMA based LFSR with faulty logic insertion and one hot encoded register. The BMA based LFSR reduces the hardware complexity with less power consumption on-chip than standard LFSR method. The FTS uses triple mode redundancy (TMR) based majority voter logic (MVL) to tolerant the faults for asynchronous circuits. The benchmarked 74X-series circuits are considered as an asynchronous circuit for TMR logic. The TFI-FTS module is modeled using Verilog-HDL on Xilinx-ISE and synthesized on hardware platform. The Performance parameters are tabulated for TFI-FTS based asynchronous circuits. The performance of TFI-FTS module is analyzed with 100% fault coverage. The fault coverage is validated using functional simulation of each asynchronous circuit with fault injection in TFI-FTS module. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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