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Pd single-atom and S-scheme heterojunction synergy in improving charge transport for high performance photocatalyzed hydrogen evolution reaction

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Separation and Purification Technology 2025年 372卷

作者： Xia, Yongmei He, Zuming He, Gang Chen, Xianglian Zhang, Juan Wang, Fahui Hartanto, Yusak Sunarso, Jaka Gapsari, Femiana Chen, Guihua Fu, Xiaofei Yang, Hanpei Jiangxi Provincial Key Laboratory of Power Batteries & Energy Storage Materials Xinyu University Xinyu338004 China China School of New Energy Science & Engineering Xinyu University Jiangxi Xinyu338004 China School of Pharmaceutical and Chemical Engineering Taizhou University Jiaojiang318000 China School of Resources and Environmental Engineering Jiangsu University of Technology Changzhou213001 China Research Centre for Sustainable Technologies Faculty of Engineering Computing and Science Swinburne University of Technology Jalan Simpang Tiga Sarawak Kuching93350 Malaysia Department of Mechanical Engineering Faculty of Engineering Brawijaya University MT Haryono 167 Malang65145 Indonesia School of Microelectronics and Control Engineering Changzhou University Changzhou213164 China Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes Ministry of Education College of Environment Hohai University Nanjing210098 China

Photocatalytic hydrogen production technology is an emerging process with a great significance to alleviate energy crisis and environmental pollution issues. Nonetheless, this technology still not yet commercialized due to the unsatisfactory photocatalytic reaction performance. In this work, we designed and prepared a set of high performance and robust Pd single-atom modified In2O3/Nb2O5-10 (Pd-InNb-10) S-scheme composites via an oil bath co-precipitation, annealing, and reduction reaction strategy. The optimal 1.0 wt%Pd-InNb-10 composite achieved the highest H2 evolution rate of 80.15 mmol h−1 g−1, which was 4.9-and 81.8-fold greater than those of In2O3/Nb2O5-10 (InNb-10) composite and pristine In2O3, respectively, with an outstanding stability and 28.9 % apparent quantum efficiency (AQE) under 400 nm monochromatic light. This work also featured a comprehensive understanding of photocatalyst structure, S-scheme charge transport, enhanced internal electric field, and Pd single-atom promotion effect. The first principal simulations verified the essential role of Pd single-atom in enhancing the adsorption and modulating the H+ adsorption behavior for improving the overall catalytic efficiency. This work presents guide for the development and construction of complex photocatalysts for efficient hydrogen production technology. © 2025 Elsevier B.V.

关键词： Photocatalytic activity

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Interfacing data structures of legacy systems

Interfacing data structures of legacy systems

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8th IEEE International Symposium on Intelligent Systems and Informatics, SIISY 2010

作者： Popov, Srdan Pavlović, Ana Ćosić, Dorde Hlebjan, Miroslav Faculty of Technical Science Department / Institute for Computing and Automatics Novi Sad Serbia Faculty of Technical Sciences Department / Institute for Civil Engineering Novi Sad Serbia Faculty of Technical Sciences Department / Institute for Industrial Engineering and Management Novi Sad Serbia Faculty of Technical Sciences Department / Institute for Environmental Engineering Novi Sad Serbia

ISBN: (纸本)9781424473946

Problems associated with introduction of data in modern models are a challenge in terms of interaction between legacy systems and new technologies. The necessity of adapting old system data structures is reflected primarily in economic non-viability of modernization of those systems, which are operational and functional and where changes to the system might hamper the utilization of the old recorded information. ©2010 IEEE.

关键词： Legacy systems

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Visualization of DTV related data on android platform

Visualization of DTV related data on android platform

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2012 IEEE 2nd International Conference on Consumer Electronics - Berlin, ICCE 2012

作者： Kovacevic, Marko Kovacevic, Branimir Milanovic, Milos Maruna, Tomislav Control and Computing Department Faculty of Technical Sciences Novi Sad Serbia RT-RK Institute for Computer Based Systems Novi Sad Serbia

ISBN: (纸本)9781467315470

This paper presents a solution for visualization of DTV related data on devices with Android OS. The main goal was to display DTV related data on Android graphical layer using native C/C++ code. We have visualized three distinctive DTV related data types: subtitles, multimedia (MHEG) and teletext information, all collected by the DTV middleware software layer. The DTV middleware is responsible for providing all of the DTV related features and is written in C/C++ native code. The Android DTV application communicates with DTV middleware through DTV Java service. The DTV Java service and the DTV middleware are connected through the JNI layer, which converts the DTV related data from C/C++ structures to Java objects and vice versa. All rendering is done in C/C++ native code which provides sufficient speed of program execution and accomplishes high-performance demands requested by our project. © 2012 IEEE.

关键词： Middleware

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Java implementation of DTV services on the android platform

Java implementation of DTV services on the android platform

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2012 IEEE 2nd International Conference on Consumer Electronics - Berlin, ICCE 2012

作者： Vidakovic, Milan Kuzmanovic, Nikola Savic, Milan Mihic, Velibor Control and Computing Department Faculty of Technical Sciences Novi Sad Serbia RT-RK Institute for Computer Based Systems Novi Sad Serbia

ISBN: (纸本)9781467315470

This paper gives an overview of both specification and implementation details for integration of DTV services into the Android OS, using Java programming language. Since Java programming language is the language of choice for application development in the Android OS, we have proposed and implemented DTV services in this programming language. Java cannot be used to implement the entire DTV services functionality, so the native library has been developed to implement performance critical parts. The proposed Java API offers Java developers a wrapper around the native implementation, which encapsulates all relevant data structures and functions regarding DTV content manipulation. We have demonstrated our proposal on four key elements of DTV services: channel list, EPG, teletext, and subtitles. © 2012 IEEE.

关键词： Java programming language

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RESTful web services and the Common Information Model (CIM)

RESTful web services and the Common Information Model (CIM)

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2010 IEEE International Energy Conference and Exhibition, EnergyCon 2010

作者： Lendak, Imre Varga, Ervin Erdeljan, Aleksandar Gavric, Milan Computing and Control Department Faculty of Technical Sciences Novi Sad Serbia CIM and GIS Group Telvent DMS Llc Novi Sad Serbia

ISBN: (纸本)9781424493807

This paper shows one possible way to enhance power system software integration by combining RESTful web services (RESTful WS) and the IEC 61970 set of standards. We also discuss the differences between SOAP and RESTful web services in the context of this research. We propose a web service, which wraps the resource oriented power system data model defined in the IEC 61970301 Common Information Model (CIM) and the generic query interface defined in IEC 61970403 Generic Data Access (GDA). We will demonstrate that a RESTful WS atop of existing IEC 61970 standards can significantly loose the couplings between different software packages used in power system control centers. We have performed tests on real life power system data models (some used in CIM interoperability tests) to make the tests more realistic. The proposal depicted in this paper provides another powerful tool for creating truly distributed power system software solutions. © 2010 IEEE.

关键词： Web services

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Application of Ada language in a Real-Time Database System - A perspective

Application of Ada language in a Real-Time Database System -...

引用

9th IFAC Workshop on Programmable Devices and Embedded Systems, PDES 2009

作者： Moryc, Pavel Černohorský, Jindřich Department of Measurement and Control Faculty of Electrical Engineering and Computer Science Technical University of Ostrava Ostrava Czech Republic

This paper outlines further research possibilities in the field of Real-Time Database Systems. It is based on the previous research accomplished at the technical University of Ostrava, including the V4DB Real-Time Dat... 详细信息

ISBN: (纸本)9783902661418

关键词： Real time systems

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Technological control system in Linux 6

Technological control system in Linux

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6th IFAC Workshop on Programmable Devices and Systems, PDS 2003

作者： Slanina, Zdenek Srovnal, Vilem VSB - Technical University of Ostrava Faculty of Electrical Engineering and Computer Science Department of Measurement and Control Czech Republic

This article deals with using operating system Linux, for solution of problems on the field of technological control and measurement. Linux is developed by student Linus Torvalds in cooperation with programmers in the world by other operating system UNIX. Thanks to powerful tools for programmers and further convenient properties is Linux good to use in automatic control problems. Copyright © 2003 IFAC.

关键词： Programmable logic controllers

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Model Identification and control of Electromagnetic Actuation in Continuous Casting Process With Improved Quality

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IEEE/CAA Journal of Automatica Sinica 2023年第1期10卷 203-215页

作者： Isabela Birs Cristina Muresan Dana Copot Clara Ionescu Research Group of Dynamical Systems and Control Faculty of Engineering and ArchitectureGhent University and with EEDT Decision&ControlFlanders Make ConsortiumTech Lane Science Park 125 and 131B-9052 GhentBelgium.I.Birs the Automation Department Faculty of Automation and Applied InformaticsTechnical University of Cluj-NapocaRomania IEEE

This paper presents an original theoretical framework to model steel material properties in continuous casting line process. Specific properties arising from non-Newtonian dynamics are herein used to indicate the natural convergence of distributed parameter systems to fractional order transfer function models. Data driven identification from a real continuous casting line is used to identify model of the electromagnetic actuator device to control flow velocity of liquid steel. To ensure product specifications, a fractional order control is designed and validated on the system. A projection of the closed loop performance onto the quality assessment at end production line is also given in this paper.

关键词： Electromagnetic actuator fractional order control fractional order system model non-Newtonian material

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Optimum Trajectory Generation for Redundant/Hyper-Redundant Manipulators

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IFAC-PapersOnLine 2016年第21期49卷 493-500页

作者： Ayten, K. Koray Sahinkaya, M. Necip Dumlu, Ahmet Department of Electrical and Electronic Engineering Erzurum Technical University Erzurum25700 Turkey Faculty of Science Engineering and Computing Kingston University LondonKT1 2EE United Kingdom

This paper presents an optimization technique to develop minimum energy consumption trajectories for redundant/hyper-redundant manipulators with pre-defined kinematic and dynamic constraints. The optimization technique presents and combines two novel methods for trajectory optimization. In the first method, the system's kinematic and dynamics constraints are handled in a sequential manner within the cost function to avoid running the inverse dynamics when the constraints are not satisfied. Thus, the complexity and computational effort of the optimization algorithm is significantly reduced. For the second method, a novel virtual link concept is introduced to replace all the redundant links to eliminate physical impossible configurations before running the inverse dynamic model for the trajectory optimization. The method is verified on a three-degree-of-freedom redundant manipulator. © 2016

关键词： Robot programming Aerodynamics Cost functions Degrees of freedom (mechanics) Energy utilization Industrial manipulators Inverse problems Kinematics Redundant manipulators Trajectories Constraint handling Energy minimization Hyper redundant manipulator Trajectory Planning Virtual Link

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Enhancing electrolysis performance: Nanoparticles and micro-arc oxidation in green hydrogen generation

Results in Engineering

引用

Results in Engineering 2025年 26卷

作者： Mohammad Hamdan Randa Abulail Osama Ayadi Khadeejeh Afaneh Ubiedullah Al-Qawabeha Ahmad Sakhrieh Department of Renewable Energy Engineering Faculty of Engineering and Technology Applied Science Private University Amman Jordan Department of Mechanical Engineering The University of Jordan Amman Jordan Faculty of Engineering Tafila Technical University Tafila Jordan Department of Mechanical Engineering School of Engineering and Computing American University of Ras Al Khaimah P.O. Box 10021 Ras Al Khaimah UAE

Green hydrogen is vital for the global energy transition, offering a sustainable and emissions-free alternative to fossil fuels. This research aims to enhance the performance of alkaline electrolysis systems and reduce their cost by exploring two key strategies: improving aluminum electrodes through surface treatment and integrating nanomaterials into the process. To address material degradation and efficiency challenges, aluminum electrodes were treated using micro-arc oxidation (MAO), which created a corrosion-resistant ceramic-like surface layer. This treatment increased electrode durability and enhanced interaction with the electrolyte, significantly boosting hydrogen production. Additionally, incorporating nanomaterials such as copper oxide and zinc oxide nanoparticles optimizes electrochemical activity, reduces energy requirements, and improves system performance. Experimental results confirmed the efficiency of these enhancements. MAO-treated electrodes improved hydrogen output by up to 30 % at lower potassium hydroxide (KOH) concentrations and maintained a 5 % boost even at higher concentrations. Including nanoparticles provided remarkable results: copper oxide increased hydrogen production by 107 %, while zinc oxide achieved an astounding 745 % improvement. These findings underscore the transformative potential of these techniques in advancing clean hydrogen production technologies.

关键词： Green hydrogen production Water electrolysis Nanoparticles Micro arc oxidation Surface treatment Corrosion resistance Aluminum electrodes

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