In this article the immunity of ElGamal and related signature schemes against fault cryptanalysis (FA) is examined. Although such schemes have been widely adopted, their resistance against fault cryptanalysis has not been verified in detail. Majority of those schemes are not immune to fault cryptanalysis and can be broken without solving discrete logarithm problem. It will be proved that the se...

Motor current signature analysis has become a widespread fault diagnosis technique for induction machines (IMs), because it is noninvasive and requires low resources of hardware (a sensor) software fast Fourier transform). Nevertheless, its industrial application faces practical problems. One most challenging scenarios the detection broken bars in IMs working at very slip, like large with small...

multistage and semi-mechanized harvesting of rice in khouzestan province, iran, causes much loss. depending on available facilities and conditions, either spike-tooth or rasp-bar cylinders are employed with either direct or indirect combine harvesting methods. the present research studied the effect of these different harvesting methods on the amount of losses in two rice varieties in 2001-2002...

To investigate the dynamic mechanics and post-failure characteristics of fault-cemented rock strata, broken particles were reshaped to obtain cemented samples with various particle size distributions (PSDs). Split Hopkinson pressure bar (SHPB) impact tests performed on under different strain rates. The test results show that plastic deformation occurs in sample as a result its porous structure....

Purpose: The Nuss procedure for pectus excavatum has rapidly gained acceptance among pediatric surgeons. We present the results and lessons learned from our initial 50 patients undergoing the minimally invasive pectus repair. Patients and methods: After obtaining Internal Review Board approval, we retrospectively reviewed patients undergoing the Nuss procedure from April 1998 to September 2002....

The start-up transient signals have been widely used for fault diagnosis of induction motor because they can reveal early defects in the development process, which are not easily detected with the signals in the steady state operation. However, transient signals are non-linear and contain multi components which need a suitable technique to process and identify the fault pattern. In this paper, ...