Chery’s SUV-focused brand Jetour is expanding its plug-in hybrid lineup with the upcoming Shanhai L7 Plus, a more advanced version of the existing Shanhai L7. The Jetour’s Shanhai L7, launched on September 27, 2024, is a midsize plug-in…
Category: Engineering
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China’s researchers to resurrect 2,000-year-old earthquake sensor
Chinese scientists are exploring the possibility of recreating a modern, more sophisticated version of an ancient earthquake sensor allegedly invented nearly 2,000 years ago.
The original, called the Houfeng Didong Yi, was, according to…
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A strange quantum battery concept reveals the second law of entanglement
For more than a century, the laws of thermodynamics have helped us understand how energy moves, how engines work, and why time seems to flow in one direction. Now, researchers have made a similarly powerful discovery, but in the strange world of…
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Research on series arc fault detection method household loads based on voltage signals
Experimental scheme
Regarding the structure of the experimental platform, the power port is connected to the single-phase load after the circuit breaker, and the arc fault generator is connected in series in the line. Voltage transformers are…
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Research into performance optimization control strategy of a hydrostatic drive bulldozer based on the constant speed cruise
Engine performance optimization
Plotting the optimal fuel consumption line
Based on the universal characteristics of the engine, it is known that the working point where the constant power line and the constant fuel consumption rate line are…
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Adaptive distributed stochastic deep reinforcement learning control for voltage and frequency restoration in islanded AC microgrids with communication noise and delay
In this section, we have validated the effectiveness of the proposed DSDRL protocols for the \(380\,\hbox{V}/50\,\hbox{Hz}\) MG system presented in Fig. 222, in the MATLAB/SimPowerSystem software environment. The islanded MG has five DGs and…
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Design and analysis of a single source seven level common ground SC based multilevel inverter topology with high reliability
For the purpose of determining the lifespan of the circuit, industries conduct reliability evaluations on each and every component that is included in the circuit. Using components in the circuit that have a longer life cycle results in a…
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Superior linear and comparable rotational protection of an air-filled helmet versus foam helmets
The air-filled helmet
The air-filled helmet investigated in this study is sold under the commercial name VENTETE (model aH-1 R). It is an inflatable, collapsible helmet. According to the manufacturer, it is designed for use with bicycles, e-bikes,…
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Progressive failure mechanisms and dynamic load redistribution in asymmetric excavation with partial bracing collapse
Analysis of displacement and settlement data
The variations in dial gauge and displacement meter readings are presented in Fig. 2. According to Working Condition 1, no significant ground settlement or lateral displacement of the retaining plates…
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Optimizing base fluid composition for PEMFC cooling: A machine learning approach to balance thermal and rheological performance
Correlation based data analysis
The correlation heatmap and scatterplot matrix together provide insight into the relationships between key variables such as Base Fluid Ratio (BFR), Temperature (T), Concentration (Vol.%), Thermal Conductivity (TC),…
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