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Earlier sources: Energy
Energy research and engineering concern how power is produced, stored, delivered, and consumed. Follow solar and nuclear power, fusion, geothermal systems, batteries, electricity grids, and changing power demand.
SYMTRI organizes observations from public sources into a living map. Connections reflect shared subject matter; they do not establish causation or endorse a source.
Open in the map ↗718 classified signals in the fourteen-day window. Recent momentum: steady. These counts include signals awaiting readable evidence.
Earlier sources
Up to ten sources with readable evidence, ordered by their feed timestamp. These archive sources can be older than the live fourteen-day window. This list is a sample, not a measure of total activity. Dates distinguish paper publication, repository creation, model/dataset activity, Hacker News posts, and KEV catalog additions. “First archived” records when SYMTRI first stored the signal.
- OpenAlex · Published · First archived
Optimal short-term scheduling of a hybrid pumped storage system coupled with photovoltaic under reservoir-plan guidance ↗
Hybrid pumped storage (HPS) plants can leverage existing cascade reservoirs to provide pumped-storage operation, thereby reducing the need for new reservoirs and lowering capital costs; consequently, they are increasingly viewed as a promising alternative to conventional pumped storage. However, while this configuration improves PV integration and enhances system flexibility, it also poses new challenges for coordinating multi-energy dispatch and managing cascade-reservoir regulation. This study selects the first two reservoirs/plants in the middle reaches of the Yalong River as the case syste…
- OpenAlex · Published · First archived
Outdoor performance of photovoltaic mini-modules with aesthetic front glass designs on a south-facing vertical façade in summer ↗
Aesthetic front glass improves architectural appearance while partially concealing the solar cells. Such glazings are usually evaluated under standard test conditions (STC), and information on their outdoor electrical behaviour remains limited. Four photovoltaic mini-modules with identical cells, encapsulation and rear construction were fabricated, differing only in the front glass: an antireflection-coated transparent reference, a gray polysilazane-coated glass, and two ceramic-printed glasses of identical pattern and 25% printed coverage differing only in pigment colour. The modules were ope…
- OpenAlex · Published · First archived
Cooperative state of charge and state of health estimation for lithium-ion battery packs: An adaptively tuned dual extended Kalman filter enhanced by gated recurrent unit ↗
To enhance the accuracy of state of charge (SOC) and state of health (SOH) estimation for lithium-ion battery packs under wide temperature range, dynamic loads, and aging processes, a dual-branch gated recurrent unit (GRU)-driven dual-time scale dual extended Kalman filter (DEKF) collaborative estimation framework is proposed. An innovative temperature-adaptive equivalent circuit model is designed to characterize the internal polarization characteristics of battery packs at different temperatures. Battery current, voltage, and temperature time-series features are fed into a dual-branch GRU net…
- OpenAlex · Published · First archived
Excellent energy storage performance of polyvinylidene fluoride-based all-organic dielectrics via introducing semi-interpenetrating networks ↗
Polymer film capacitors have attracted much attention in power electronic systems due to high power density and rapid charging/discharging capabilities. However, high dielectric loss under high electric fields severely limits the energy storage performance of polyvinylidene fluoride (PVDF) dielectrics. In this study, the poly(methyl methacrylate - carboxylic anhydride) (P(MMA- co -MA)) copolymer was prepared. 4, 4′-oxydianiline (ODA) was used as a crosslinking agent to introduce an amide crosslinking network into PVDF-based ternary blends (mass ratios of PVDF/PMMA/P(MMA- co -MA) = 50:25:25), w…
- OpenAlex · Published · First archived
Flexible interconnection of highway service-area multi-microgrids via mobile energy storage: A coordinated stochastic planning framework ↗
The rapid electrification of highway transportation is increasing electric-vehicle charging demand at highway service areas, particularly in weak-grid and off-grid regions where reliable power supply is difficult to guarantee. Conventional self-contained service-area energy systems mainly rely on local renewable generation and stationary storage, which may lead to redundant capacity investment because spatial complementarity among geographically distributed service areas is not fully exploited. This paper proposes a mobile-energy-storage system (MESS)-enabled flexible interconnection framework…
- OpenAlex · Published · First archived
A Coordinated Active and Reactive Power Optimization Method for Integrated Energy System Based on an XGBoost Surrogate Model for Voltage Stability Margin ↗
Conventional integrated energy system (IES) dispatch generally enforces bus-voltage limits but does not quantify proximity to the static voltage-instability boundary, while repeated physics-based stability calculations are computationally expensive for multi-period optimization. This study proposes a coordinated active- and reactive-power dispatch framework for an electricity–heat IES. The minimum singular value of the reduced power-flow Jacobian is used as a physics-based static voltage-stability margin. Monte Carlo operating states are labeled through AC power-flow and Jacobian calculations…
- OpenAlex · Published · First archived
Cross-Scale Analysis of Basalt Rock-Mass Deformation and Energy Evolution Based on In Situ Bearing Plate Tests and DEM Simulation ↗
Reliable characterization of rock-mass deformability is essential for rock-supported infrastructure. This study combined six in situ rigid bearing plate tests with two-dimensional discrete element method (DEM) simulations implemented in Particle Flow Code (PFC2D) to investigate basalt deformation and energy evolution at the Gushui Hydropower Station. Five nested loading–unloading cycles reached 10.203 MPa. Mean deformation/elastic moduli were 15.402/22.236 GPa for weakly weathered basalt and 18.082/30.205 GPa for slightly weathered basalt; excluding fault-controlled E2-2 increased the weakly w…
- OpenAlex · Published · First archived
Coupled electro-thermal investigation of series-parallel lithium-ion battery packs with phase change materials-based cooling at high discharge rates ↗
Owing to their extended cycle life, high energy density, superior power-to-weight ratio, and low self-discharge, the lithium-ion batteries (LIBs) are widely adopted in next-generation electric vehicles (EVs). However, excessive heat generation at high discharge rates can compromise safety and performance. This study investigates the electro-thermal behaviour of pouch-type LiMn 2 O 4 cells in six series-parallel configurations (12S1P, 6S2P, 4S3P, 3S4P, 2S6P, and 1S12P) at discharge rates of 3C 9C using a Multi-Scale Multi-Domain (MSMD) framework coupled with the Newman-Tiedemann-Gu-Kim (NTGK) b…
- OpenAlex · Published · First archived
Lite-MSTFNet: A lightweight sEMG gesture recognition network BASED on multi-scale spatiotemporal fusion and dynamic gated attention ↗
Surface electromyography (sEMG) has emerged as a promising modality for gesture recognition in deep learning applications. However, deploying state-of-the-art deep learning models on resource-constrained embedded devices remains a critical challenge due to their substantial computational demands. To address this, we propose Lite-MSTFNet, a lightweight multi-scale spatio-temporal fusion network specifically tailored for efficient sEMG-based gesture recognition on edge devices. The architecture leverages a parallel multi-branch design with depthwise separable convolutions to effectively capture…
- OpenAlex · Published · First archived
An Energy-Stable Variable-Step SAV Finite Element Method for a Droplet Thin-Film Coarsening Model with a Lennard–Jones Singular Potential ↗
We develop an energy-stable variable-step BDF2-based scalar auxiliary variable (SAV) finite element scheme for a droplet thin-film coarsening model with a Lennard–Jones singular potential. The method uses continuous piecewise linear finite elements in space and retains the original linear SAV update. We prove discrete mass conservation, modified-energy decay under an admissible step-ratio condition, and solvability of the coupled algebraic system. A Sherman–Morrison realization exploits the rank-one coupling and reduces each accepted time step to two solves with the same sparse base matrix. Nu…
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How to assess evidence about Energy
Check each original source for its methods, release status, limitations, and supporting data. A repository announcement, a preprint, and a published study provide different kinds of evidence. SYMTRI’s subject classification helps discovery; it does not independently validate the source’s claims.
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