Although strong and damaging earthquakes have hit Zagreb in the past, 22 March 2020 earthquake (Mw 5.4) is first one that was recorded by a modern digital local seismic network, which could be analysed not only macroseismic methods, but also microseismic ones. Herewith we used 3003 carefully located events from year of aftershock sequence to learn more about rate decay, their magnitude distribu...

Part I of this paper set sets forth theory and algorithms for adaptive fault detection/location technique, which is based on Phasor Measurement Unit (PMU). This paper is Part II of this paper set. A new timing device named “Global Synchronism Clock Generator, GSCG” including its hardware and software design is described in this paper. Experimental results show that the synchronized error of ris...

Waveform data from a borehole network of broadband seismographic stations have been used to study microearthquakes along the Parkfield segment of the San Andreas fault (SAF). Analysis of almost 10 years of such data demonstrates that much of the seismicity in this region consists of repeating sequences, quasiperiodic sequences of earthquakes that are essentially identical in terms of waveform, ...

This paper addresses voltage control and load sharing in DC distribution systems. At present, DC distribution systems are utilised in, for example, telecommunication systems. Future applications could also involve distributed power systems based on renewable energy sources. The dynamic and stationary properties of voltage droop control and its load sharing abilities are investigated. The DC bus...

A Matlab/Simulink implementation of a model-based diagnoses system for power transformers based on structured residuals is presented in this work. Process models for thermal behavior and moisture diffusion in paper are observers for transformer temperatures and relative water concentration in oil respectively. An experimental setup consisting of a medium voltage distribution transformer equippe...

Structural reorientations in metallic fcc nanowires are controlled by a combination of size, thermal energy, and the type of defects formed during inelastic deformation. By utilizing atomistic simulations, we show that certain fcc nanowires can exhibit both shape memory and pseudoelastic behavior. We also show that the formation of defect-free twins, a process related to the material stacking f...

STUDY DESIGN Cross-sectional design. OBJECTIVE To compare lumbar multifidus electromyographic activity (EMG) during predictable and unpredictable trunk loading between people with and without recurrent unilateral low back pain (LBP) during symptom remission. SUMMARY OF BACKGROUND DATA Unpredictable loading is a common injury mechanism for LBP. Paraspinal muscle responses to trunk loading di...

In this paper, a new approach for generating test vectors that detects faults in combinational circuits is introduced. The approach is based on automatically designing a circuit which implements the -algorithm, an automatic test pattern generation (ATPG) algorithm, specialized for the combinational circuit. Our approach exploits fine-grain parallelism by performing the following in three clock ...

In this paper, an integrated and distributed modeling and simulation environment is developed for the next generation manufacturing systems. A distributed colored timed Petri net (DCTPN) is the modeling techniques for the proposed environment. Based on the DCTPN, the shop floor process and the manufacturing execution system (MES) can be integrated horizontally and vertically. In addition, a com...

We study numerically the behavior of a two-dimensional elastic plate (a crustal plane) that terntinates along one of its edges at a fault boundary. Slip-weakening friction at the boundary, inertial dynamics in the bulk, and uniform slow loading via elastic coupling to a substrate combine to produce a complex, deterministically chaotic sequence of slipping events. We observe a power-law distribo...