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IEEE Conference on robotics, Automation and Mechatronics

作者： Ho Seok Ahn Dong-Wook Lee Bruce MacDonald Robotics Research Group The University of Auckland Auckland New Zealand Department of Applied Robot Technology Korea Institute of Industrial Technology Ansan Republic of Korea

This paper introduces a human-like narrator robot system called EveR-4E. EveR-4E is an android robot platform having human-like appearance, and explains exhibitions with facial expression and gestures. She has movable upper body and mannequin legs for standing on the floor. The skin of the head, arms, and hands is made of silicon jelly to give human-like texture. EveR-4E has fifty-nine degrees of freedom in the head, neck, arms, hands, and torso. Her gestures are designed based on captured body motions of human to give human-like movement. She can be controlled by remote systems controlled by human guide. She introduces robots in the robot exhibit hall of the EXPO 2012 Yeosu Korea.

关键词： Androids Humanoid robots Service robots Face Conferences Floors

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Graphene oxide MgFe2O4 nanocomposites for Cr(VI) remediation: a comparative modeling study

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Nanotechnology for Environmental Engineering 2018年第1期3卷 1-11页

作者： Hosseini, Seyed Ali Talebipour, Sahar Neyestani, Mahmoud Reza Ranjan, Shivendu Dasgupta, Nandita Department of Applied Chemistry Faculty of Chemistry Urmia University Urmia Iran Department of Chemistry Faculty of Science Zanjan University Zanjan Iran R&D and Technology Development E-Spin Nanotech Pvt Ltd SIDBI Incubation Center IIT Kanpur KanpurUttar Pradesh208016 India Nano-food Research Group School of Bio Sciences and Technology VIT University VelloreTamil Nadu India

The article describes the synthesis and application of magnesium ferrite nanoparticles (MgFe2O4 NPs) and engineered MgFe2O4 nanocomposites (NCs) by graphene oxide as green and easy separable magnetic adsorbents in removal of Cr(VI) from environmental pollutant. The statistical study of the adsorption process and optimization was accomplished with central composite design method of response surface methodology (RSM) approach. The optimum conditions, predicted by RSM, were achieved at pH, contact time, initial Cr(VI) concentration and adsorbent dosage of 2, 60 min, 40 mg L−1 and 0.15 g, respectively. The removal of Cr(VI) under optimum situations was 97%, and the achieved result in practice was found to be 99%. Pareto analysis suggests the importance relative order of the factors as: pH > concentration of Cr(VI) > time > adsorbent dosage under optimized situations. The engineered nanocomposite was further analyzed for real groundwater samples, and 92% Cr(VI) remediation was resulted. The study is the first study for efficient Cr(VI) remediation from real groundwater sample using novel engineered nanocomposites and has potential to have societal as well as industrial impact in the form of process or product development. © 2018, Springer International Publishing AG, part of Springer Nature.

关键词： Nanocomposites

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Corrigendum to “Integrating solar-powered branched GAX cycle and Claude cycle for producing liquid hydrogen: Comprehensive study using real data and optimization” [Energy 283 (2024) 133496]

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Energy 2025年 314卷

作者： Zhang Yamin A.S. El-Shafay Manish Saraswat Ibrahim Mahariq Fahad Mohammed Alhomayani Husam Rajab Sattam Fahad Almojil Abdulaziz Ibrahim Almohana Mika Sillanpää School of Mathematics and Information Science Baoji University of Arts and Sciences 721000 China Department of Mechanical Engineering College of Engineering in Al-Kharj Prince Sattam bin Abdulaziz University Al-Kharj 11942 Saudi Arabia Mechanical Power Engineering Department Faculty of Engineering Mansoura University Mansoura 35516 Egypt Department of Mechanical Engineering LLOYD Institute of Engineering and technology Greater Noida 201306 India Department of Mechanical Engineering Institute of Engineering and technology GLA University Mathura 281406 India GUST Engineering and Applied Innovation Research Center (GEAR) Gulf University for Science and Technology Mishref Kuwait Applied Science Research Center Applied Science Private University Amman Jordan Department of Medical Research China Medical University Hospital China Medical University Taichung Taiwan College of Computers and Information Technology Taif University Saudi Arabia College of Engineering Department of Mechanical Engineering Najran University King Abdulaziz Road P.O Box 1988 Najran Saudi Arabia Department of Civil Engineering College of Engineering King Saud University P.O. Box 800 Riyadh 11421 Saudi Arabia Functional Materials Group Gulf University for Science and Technology Mubarak Al-Abdullah 32093 Kuwait Kuwait School of Technology Woxsen University Hyderabad Telangana India Centre of Research Impact and Outcome Chitkara University Institute of Engineering and Technology Chitkara University Rajpura 140401 Punjab India Division of Research & Development Lovely Professional University Phagwara 144411 Punjab India Department of Civil Engineering University Centre for Research & Development Chandigarh University Gharuan Mohali Punjab India

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Stimuli-responsive smart nanomaterials for theranostics of urological cancers

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Coordination Chemistry Reviews 2025年 539卷

作者： Xu, Yi Moradialvand, Madineh Sala, Francesca Della Zare, Ehsan Nazarzadeh Hushmandi, Kiavash Rahimmanesh, Ilnaz Borzacchiello, Assunta Iravani, Siavash Zare, Iman Shin, Jungah Yoon, Juyoung Kang, Heemin Makvandi, Pooyan Department of Urology Department of Science & Technology Nano Medical Innovation & Collaboration Group (NMICG) The Quzhou Affiliated Hospital of Wenzhou Medical University Quzhou People's Hospital Quzhou 324000 China The Quzhou Affiliated Hospital of Wenzhou Medical University Quzhou People's Hospital Quzhou 324000 China Center for Theoretical Physics Khazar University 41 Mehseti Street Baku AZ1096 Azerbaijan Institute of Polymers Composites and Biomaterials National Research Council (IPCB-CNR) Viale J.F. Kennedy 54 Naples 80125 Italy School of Chemistry Damghan University Damghan 36716-45667 Iran Nephrology and Urology Research Center Clinical Sciences Institute Baqiyatallah University of Medical Sciences Tehran Iran Applied Physiology Research Center Cardiovascular Research Institute Isfahan University of Medical Sciences Isfahan Iran W Nazar ST Boostan Ave Isfahan Iran Research and Development Department Sina Medical Biochemistry Technologies Co. Ltd. Shiraz *** Iran Department of Materials Science and Engineering Korea University Seoul 02841 South Korea Department of Chemistry and Nanoscience Ewha Womans University Seoul 03760 South Korea Graduate Program in Innovative Biomaterials Convergence Ewha Womans University Seoul 03760 South Korea College of Medicine Korea University Seoul 02841 South Korea

Urological cancers, including prostate, bladder, and kidney cancers, contribute significantly to the global burden of cancer-related mortality. While numerous reviews have addressed these cancers individually, this is the first comprehensive review that exclusively focuses specifically on nanotheranostics as a transformative approach for urological cancer. The distinct tumor microenvironments (TMEs) associated with these cancers pose both challenges and opportunities for precise nanotherapeutic interventions. This review provides a thorough examination of current advancements in nanotechnology-based diagnostics and therapeutics tailored to urological cancers. For each primary urological cancer type, we outline key strategies for leveraging nanotheranostics in the detection and treatment of tumors. Furthermore, we address the persisting challenges in enhancing tumor specificity and treatment efficacy. In essence, nanotheranostics offer a promising therapeutic avenue for urological cancers by enabling targeted drug delivery and controlled release of therapeutics within the tumor microenvironment. The objective of this pioneering review is to underscore recent developments and future prospects in utilizing nanotechnology to meet the unmet needs in the diagnosis and treatment of urological cancers. © 2025 Elsevier B.V.

关键词： Bladder Kidney cancers Nanocarriers Nanomaterials Prostate tumor Urological cancers

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Spontaneous combustion liability between coal seams: A thermogravimetric study

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International Journal of Mining Science and technology 2020年第5期30卷 691-698页

作者： Moshood Onifade Bekir Genc Samson Bada Department for Management of Science and Technology Development Ton Duc Thang UniversityHo Chi Minh City 700000Viet Nam Faculty of Applied Sciences Ton Duc Thang UniversityHo Chi Minh City 700000Viet Nam School of Mining Engineering University of the WitwatersrandJohannesburg 2050South Africa Clean Coal and Sustainable Energy Research Group Faculty of Engineering and the Built EnvironmentUniversity of the WitwatersrandJohannesburg 2050South Africa

The spontaneous combustion liability of coal can be determined by using different experimental *** techniques are well-known in their application,but no certain test method has become a standard to prove the reliability of all of them.A general characterisation which included proximate and ultimate analyses,petrographic properties and spontaneous combustion tests(thermogravimetric analysis(TGA)and the Wits-Ehac tests)were conducted on fourteen coal and four coal-shale *** spontaneous combustion liability of these samples collected between coal seams(above and below)were predicted using the TGA and the Wits-Ehac *** different heating rates(3,6,9,15,20 and 25C/min)were selected based on the deviation coefficient to obtain different derivative slopes and a liability index termed the TGspc *** study found that coal and coal-shale undergo spontaneous combustion between coal seams when exposed to oxygen in the *** intrinsic properties and proneness towards spontaneous combustion differ considerably from one seam to the *** Wits-Ehac test results agreed with the TGspc results to a certain extent and revealed the incidents of spontaneous combustion in the coal mines.

关键词： Crossing-point temperature Thermogravimetric analysis Wits-Ehac index TGspc index

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Measurement of Shielding Effectiveness in the Microwave Frequency Range using a Dual Focus Flat Cavity

Measurement of Shielding Effectiveness in the Microwave Freq...

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IEEE International Symposium on Electromagnetic Compatibility (EMC)

作者： Toshihide Tosaka Atsuhiro Nishikata Kaori Fukunaga Yukio Yamanaka Applied Electromagnetic Research Center EMC Group National Institute of Information and Communications Technology Japan Center for Research and Development of Educational Technology Tokyo Institute of Technology Japan

We suggested a new measurement method of SE (Shielding Effectiveness) in the microwave frequency range using a DFFC (Dual Focus Flat Cavity). TE waves are transmitted from the transmitting point to the receiving point through the testing material. The shape of the DFFC is oval and the transmitted waves are focused at the receiving point with the same phase. This method has a large dynamic range of about 100 dB. We evaluated this method at a number of frequencies by comparing the calculated value with the measured value using isotropic materials. The differences were less than 3 % at each frequency. The measurement repeatability error was less than 2 %.

关键词： Microwave measurements Frequency measurement Microwave frequencies Materials testing Electromagnetic measurements Electromagnetic shielding Communications technology Tellurium Shape Electromagnetic scattering

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Controlling redundant robot arm-trunk systems for human-like reaching motion

Controlling redundant robot arm-trunk systems for human-like...

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2010 IEEE/RSJ International Conference on Intelligent robots and Systems

作者： Tapomayukh Bhattacharjee Yonghwan Oh Ji-Hun Bae Sang-Rok Oh Cognitive Robotics Center KIST Seoul South Korea Department of Applied Robot Technology Ansan Research and Development Center Ansan South Korea

In this paper, we have developed a novel control law to exhibit human-motion characteristics in redundant robot arm-trunk systems for reaching tasks. This newly developed method nullifies the need for the computation of pseudo-inverse of Jacobian while the formulation and optimization of any artificial performance index is not necessary. The time-varying properties of the muscle stiffness and damping as well as the low-pass filter characteristics of human muscles have been modeled by the proposed control law. The newly developed control law uses a time-varying damping shaping matrix and a bijective joint muscle mapping function to describe the human-motion characteristics for reaching motion like quasi-straight line trajectory of the end-effector and symmetric bell shaped velocity profile. The aspect of self-motion and repeatability, which are inherent in human-motion, are also analyzed and successfully modeled using the proposed method. Simulation results show the efficacy of the newly developed algorithm in describing the human-motion characteristics.

关键词： Joints Muscles Humans Trajectory robot kinematics Solid modeling

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Visualization of boundaries in volumetric data sets using LH histograms

Visualization of boundaries in volumetric data sets using LH...

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作者： Šereda, Petr Bartrolí, Anna Vilanova Serlie, Iwo W.O. Gerritsen, Frans A. Eindhoven University of Technology Department of Biomedical Engineering Image Analysis Group WH 3.2a Postbus 513 5600 MB Eindhoven Netherlands Delft University of Technology Department of Applied Physics Pattern Recognition Group Lorenzweg 1 2628 CJ Delft Netherlands PHILIPS Medical Systems Nederland BV Research and Advanced Development P.O. Box. 10000 5680 DA Best Netherlands Biomedical Engineering Department Eindhoven University of Technology Biomedical Image Analysis Section Biomedical Engineering Department Eindhoven University of Technology Quantitative Imaging Group Department of Imaging Science and Technology Delft University of Technology Biomedical Engineering Department Technische Universiteit Eindhoven Research and Advanced Development Business Group Medical IT Philips Medical Systems Best Netherlands

A crucial step in volume rendering is the design of transfer functions that will highlight those aspects of the volume data that are of interest to the user. For many applications, Boundaries carry most of the relevant information. Reliable detection of Boundaries is often hampered by limitations of the imaging process, such as blurring and noise. We present a method to identify the materials that form the boundaries. These materials are then used in a new domain that facilitates interactive and semiautomatic design of appropriate transfer functions. We also show how the obtained boundary information can be used in region-growing-based segmentation. © 2006 IEEE.

关键词： Volumetric analysis

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Programmable High-Precision Weight Bank Based on Integrated Semiconductor Optical Amplifier Array

Programmable High-Precision Weight Bank Based on Integrated ...

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2023 Asia Communications and Photonics Conference/2023 International Photonics and Optoelectronics Meetings, ACP/POEM 2023

作者： Liu, Jiahui Tang, Kaifei Ji, Xiang Zhou, Xin Zhang, Chuanbo Wang, Ling Sun, Wentao Dai, Pan Li, Shaobo Ma, Xiang Xiao, Rulei Chen, Xiangfei College of Engineering and Applied Sciences Nanjing University Nanjing210023 China Nanjing University National Laboratory of Solid-State Microstructures Naning210093 China The 54th Research Institute of China Electronics Technology Group Corporation Optical Communication Research and Development Center Shijiazhuang050081 China

ISBN: (纸本)9798350312614

The primary challenge in in-memory photonic computing lies in achieving high-precision weight control, which enables efficient parallel multiply accumulate (MAC) operations and enhances computing accuracy. Due to environmental factors like temperature fluctuations, achieving accurate weight control in photonic computing becomes challenging. To address the aforementioned issue, our solution involves an integrated array of semiconductor optical amplifiers (SOAs) as photonic synapses, forming a programmable weight bank. We have designed and fabricated a monolithically integrated 8-channel DFB-SOA chip, which demonstrates a remarkable record-high precision of 9.2 bits for weight control. © 2023 IEEE.

关键词： photonic computing photonic synapse semiconductor optical amplifier weight bank

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Timing and noise analysis of five millisecond pulsars observed with MeerKAT

arXiv

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arXiv 2025年

作者： Chisabi, M. Andrianomena, S. Enwelum, U. Gasennelwe, E.G. Idris, A. Idogbe, E.A. Shilunga, S. Geyer, M. Reardon, D.J. Okany, C.F. Shamohammadi, M. Shannon, R.M. Krishnan, V. Venkatraman Abbate, F. Kramer, M. Department of Physics & Astronomy University of Nigeria Nsukka410101 Nigeria Department of Physics The Copperbelt University Jambo Drive Kitwe21696 Zambia SARAO Liesbeek House River Park Liesbeek Parkway Settlers Way Cape Town7705 South Africa Department of Physics & Astronomy University of the Western Cape Cape Town7535 South Africa Department of Science Laboratory Technology University of Nigeria Nsukka Nigeria Department of Physics University of Botswana Gaborone Botswana National Space Research and Development Agency Centre for Basic Space Science Nsukka410102 Nigeria Department of Physics Chemistry and Material Science University of Namibia Private Bag 13301 Windhoek Namibia Group Department of Mathematics and Applied Mathematics University of Cape Town Rondebosch7701 South Africa Centre for Astrophysics and Supercomputing Swinburne University of Technology P.O. Box 218 HawthornVIC3122 Australia Australia Max-Planck-Institut für Radioastronomie Auf dem Hügel 69 BonnD-53121 Germany INAF - Osservatorio Astronomico di Cagliari Via della Scienza 5 SelargiusI-09047 Italy

Millisecond pulsars (MSPs) in binary systems are precise laboratories for tests of gravity and the physics of dense matter. Their orbits can show relativistic effects that provide a measurement of the neutron star mass and the pulsars are included in timing array experiments that search for gravitational waves. Neutron star mass measurements are key to eventually solving the neutron star equation of state and these can be obtained by a measure of the Shapiro delay if the orbit is viewed near edge-on. Here we report on the timing and noise analysis of five MSPs observed with the MeerKAT radio telescope: PSRs J0900−3144, J0921−5202, J1216−6410, J1327−0755 and J1543−5149. We searched for the Shapiro delay in all of the pulsars and obtain weak detections for PSRs J0900−3144, J1216−6410, and J1327−0755. We report a higher significance detection of the Shapiro delay for PSR J1543−5149, giving a precise pulsar mass of Mp = 1.349+−00043061 M☉ and companion white-dwarf mass Mc = 0.223+−00005007 M☉. This is an atypically low mass measurement for a recycled MSP. In addition to these Shapiro delays, we also obtain timing model parameters including proper motions and parallax constraints for most of the pulsars. Copyright © 2025, The Authors. All rights reserved.

关键词： White dwarfs

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