Results 131 to 140 of about 3,933,823 (312)

An accelerometer based-feedback technique for improving dynamic performance of a machine tool [PDF]

, 2016
A novel concept for improving machine dynamic performance was developed and realised, a virtual metrology frame, for a small size CNC machine with flexible frame. Its implementation in a simplified linear motion system shows a reduction in the magnitude
Abir, Jonathan, Longo, Stefano, Morantz, Paul, Shore, Paul   +3 more
core  

Hierarchical Control in Mechatronic Technological Systems

Machines
The topic of hierarchical control of technological machines is one of the most relevant in mechanical engineering technology. The most difficult issue in this area is the organization of interactions between different control levels, on the one hand, and the choice of automatic control methods for each of these control levels (control by deviation ...
Natalia Lishchenko, Anatoly Gushchin, Vasily Larshin   +2 more
openaire   +2 more sources

Adaptive mixing formation control of multiquadrotor unmanned aerial vehicle systems

Asian Journal of Control, EarlyView.
Abstract This paper presents a distributed adaptive mixing control (AMC) design for formation maintenance of systems of multiquadrotor UAVs (q‐UAVs) during commanded path‐tracking maneuvers. The proposed formation control scheme has a two‐level structure. The high level defines the desired trajectories for rigid and persistent formation acquisition and
Nasrettin Köksal, Barış Fidan, Ahmed Fahim Mostafa   +2 more
wiley   +1 more source

Harnessing Carbon‐Containing Materials for Next‐Generation High‐Temperature Electromagnetic Wave Absorbers

Carbon Energy, EarlyView.
Traditional carbon materials show limited high‐temperature oxidation resistance, which becomes pronounced above 673 K and significantly restricts their practical applicability. To address this challenge, enhancing polarization loss and leveraging its negative temperature dependence to offset the temperature‐induced increase in conductance loss are ...
Yang Li, Yuchang Qing, Wei Li, Chao Ma, Zhongyi Bai, Gang Shao, Hailong Wang, Ming Huang, Xianhu Liu, Bingbing Fan   +9 more
wiley   +1 more source

The Filament Extension Atomization Process for Powder Production of Elastic Fluids

Chemie Ingenieur Technik, EarlyView.
Filament extension atomization is a promising technique for spraying a wide range of materials, enabling narrow droplet size distributions. This study examines the behavior of various fluids and suspensions to define application limits and identify optimal operating conditions.
Moritz Neukötter, Nick Aulbur, Julian Neudorf, Steffen Jesinghausen, Hans‐Joachim Schmid   +4 more
wiley   +1 more source

Interfacial Engineering with Lithium Titanate on MCMB Anode for Lithium‐Ion Batteries

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Graphical illustration of lithium titanate modified artificial graphite anode to enhance the lithium ion diffusion and stabilise the electrode‐electrolyte interface, effectively suppressing the lithium plating and improving electrochemical performance.
Ruby Alphonse Raj, Arul Saravanan Raaju Sundhar, Keyru Serbara Bejigo, Sang‐Jae Kim   +3 more
wiley   +1 more source

Gradient‐Engineered Ultra‐Thin Lithium Metal Anodes with a Li–Si–N Alloy‐Based Lithiophilic Current Collector Interphase

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A novel strategy for fabricating ultra‐thin lithiophilic Li metal anodes for high energy density Li metal batteries is proposed. This anode features a one‐step phase‐transition process, consisting of LixSiy with high mechanical strength and LixNy with excellent ionic conductivity.
Jihyeon Kang, Mihee Park, Jueun Kim, Jihan Park, Byungsuk Lee, Jinhong Lee, Pilgun Oh, Kyujung Kim, Jun‐Woo Park, Minjoon Park   +9 more
wiley   +1 more source

Mitigating Structural Degradation in Hydrated V2O5 for Proton Batteries through Nanoconfinement with a Holey Graphene Matrix

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
HrGO‐supported and confined water‐assisted synergy for faster proton transport in the V2O5 resulted in ultra‐long life over 10 000 cycles at high current density of 1 A g−1. A reaction kinetics study of the ultra‐long cyclability via first principle DFT calculation is also presented. Proton‐based electrochemistry offers a promising solution to the cost
Usman Ghani, Muhammad Usman Muzaffar, Donglin Wang, Hao Sun, Xingke Cai, Dongqing Liu   +5 more
wiley   +1 more source

Optimal Nanoparticle Size in SiO₂/Al₂O₃‐Water Nanofluids for Enhancing Intercooler Thermal Enhancement: A Conjugate Heat Transfer Study

Energy Science &Engineering, EarlyView.
The simulation shows that the comprehensive heat transfer effect of using nanofluids as cooling liquid is greater than 1.30 nm SiO2/water and 40 nmAl2O3/water nanofluids have the best heat transfer enhancement effect, while all nanofluids of 30 nm Al2O3/water have the best heat transfer enhancement effect.
Bing Dai, Jingqi Yin, Juhui Chen, Tao Xu, Michael Zhurakov, Siarhei Lapatsin, Wenrui Jiang   +6 more
wiley   +1 more source

Research on Collaborative Estimation of SOC and SOH for Lithium‐Ion Batteries Based on BS‐SRCKF‐DEKF

Energy Science &Engineering, EarlyView.
This paper presents a novel method for jointly estimating the state of charge (SOC) and state of health (SOH) in lithium‐ion battery systems. A second‐order hysteresis RC model and the BS‐SRCKF‐DEKF algorithm are used to improve estimation accuracy. Simulation and experimental results verify the method′s robustness and superior performance.
Meijin Lin, Haokun Lin, Jiehua Tan
wiley   +1 more source