Back in the early 2000s, engineers working for the Techint Group, a multinational conglomerate based in Italy and Argentina, were trying to fine-tune a new electric arc furnace at a steel plant. But something strange happened. The carbon…
Category: Engineering
-
Finland breaks quantum record with 1-millisecond qubit coherence
Finnish researchers at Aalto University have made a significant advancement in quantum computing. The team achieved a new scientific record for transmon qubit coherence time, a key performance metric in quantum computing.
Specifically, they…
Continue Reading
-
2,000-year-old steel acupuncture needles unearthed in Chinese tomb
The world’s earliest known steel “acupuncture needles,” dating back roughly 2,000 years, have been unearthed in China.
It’s been reported that ancient needle-like artifacts were recovered from the famed tomb in East China’s…
Continue Reading
-
A novel obfuscation method based on majority logic for preventing unauthorized access to binary deep neural networks
Functional simulations and comparative analysis
The proposed protected filter is simulated using the Cadence Virtuoso and HSPICE tools based on the well-established TSMC 40 nm CMOS technology and the experimentally validated MTJ model described…
Continue Reading
-
A bi-decision model for electric vehicle dispatch and battery swapping station charging schedule problem
EV dispatch
Solution type
In the first decision, the variables are defined as discrete values. The decision is composed of \(1 \times |{E}|\) dimensional vectors, such as \(\left\{ x_0,x_1…,x_i,…, x_{{|E|}-1} \right\}\). Each \(x_i\) is a…
Continue Reading
-
Preparation and characterization of bio-waste derived chitosan/hydroxyapatite/pectin green biocomposite
Characterization of biomaterials
FTIR analysis
The FTIR spectra of primary chitin, Cs, HA, and Pe are shown in Fig. 5. In Fig. 5a, distinctive peaks were observed at 3417, 2878, 1646, 1378, and 1075 cm− 1 for chitin, while Cs exhibited peaks…
Continue Reading
-
Mechanical response characteristics and key technology of construction control of roof of long span string beam structure
Model construction
Element selection and boundary condition simulation
-
(1)
Element s election
…
Continue Reading
-
(1)
-
Physics-informed neural networks for robust equivalent damping parameter inversion and fault diagnosis in gas-insulated switchgear vibration systems
This section introduces parameter inversion theory using physics-informed neural networks (PINNs). The process begins with abstracting the physical model of the studied GIS shell based on the actual problem. Following this, the governing…
Continue Reading
-
Effects of calcined dolomite on the fatigue performance of asphalt concrete affected by water with variable acidity
Figure 1 summarizes the research methodology. Silica and lime-based aggregate, PG 58-22, PG 64-16, and calcined dolomite additive at 0.5% and 1% by bitumen weight were utilized as raw materials. Dynamic shear rheometer (DSR) and semi-circular…
Continue Reading
-
Microstructural damage analysis during drilling in composite laminate with and without smart magneto-elastomer backup
Fabrication of CFRP
In the present study, two identical CFRP composites were considered: unidirectional CFRP and bidirectional CFRP, as shown in Fig. 1. The raw materials used to prepare the composite and their parameters are listed in Table 1….
Continue Reading