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10th DGON Inertial Sensors and Systems, ISS 2016

作者： Bias, J. Mathur, N. Thorpe, T. United States Army Communications and Electronics Research Development and Engineering Command Night Vison and Electronics Sensors 10221 Brubeck Road Fort BelvoiVA22060 United States United States Army Program Executive Office Soldier Product Manager Soldier Precision Targeting Devices 10125 Gratoit Road Fort BelvoirVA22060 United States

ISBN: (纸本)9781509025152

Far Target Location (FTL) is a key element of the US Army's Force Operating Capabilities (FOC) doctrine to see, understand, and act first and foremost on the battlefield. Precise FTL data provides today's Soldier with essential information pertaining to direct and indirect fire, surveillance, and maneuver missions, where reliable and accurate Situational Awareness (SA) is vitally important for dismounted military operations. The US Army in conjunction with our industry partners, have spent the last ten years canvasing the marketplace to develop, optimize, and make available for fielding a lightweight, low power and accurate north finder and position keeping inertial module. This effort has included the technologies of Fiber Optic Gyros (FOGs), Ring Laser Gyros (RLGs), Magnetohydrodynamic gyros (MHD), Hemispherical Resonator Gyros (HRG), and MicroElectroMechanical Systems gyros (MEMS) and various hybrid solutions. Included in these efforts have been major breakthroughs in the evolution of the technologies, many challenges, and a continuing effort to push the boundaries of what is possible in this rapidly changing field. This paper will cover the progress, present state, and visions for the future as it applies to the dismounted soldier and combat vehicle crew members. © 2016 IEEE.

关键词： MEMS

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Utilization of pottery stone as a replacing material for vitreous ceramic sanitary ware production: A case study in Khon Kaen, Thailand 6th

Utilization of pottery stone as a replacing material for vit...

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6th KKU International engineering Conference, KKU-IENC 2016

作者： Sirilar, Pakawadee Srisukhumbowornchai, Nakorn Thanakijkasem, Purit Sirisoonthorn, Somnuk Klein, Gernot Program of Integrated Product Design and Manufacturing Division of Materials Technology School of Energy Environment and Materials King Mongkut's University of Technology Thonburi Bangkok10140 Thailand National Metal and Materials Technology Center National Science and Technology Development Agency Thailand Science Park Pathumthani12120 Thailand Faculty of Engineering University of Applied Sciences Koblenz Koblenz56203 Germany

ISBN: (纸本)9783035710045

The aim of this work was to determine the properties of vitreous ceramic sanitary ware bodies according to the production of Khon Kaen ceramic sanitary ware industry, Thailand. Pottery stone was used as a replacing material in the commercial ceramic sanitary ware body formulation. The cast slurry of seven formulations was prepared by wet milling. The rheological properties (density and torsion viscosity) were investigated before slip casting. The test pieces were fired at 1175, 1200 and 1225°C and the physical-mechanical properties (firing shrinkage, flexural strength, and water absorption) were compared. As a result, pottery stone shows a possibility to replace quartz in the production. It could enhance all of the good properties at lower firing temperature. Using of pottery stone could reduce production cost in term of energy fuel by 4.45% when compared with commercial formulation. © 2017 Trans Tech Publications.

关键词： Water absorption

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Design and synthesis of hydroxychloroquine-sugar conjugates as promising antimalarial agents

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Bioorganic & Medicinal Chemistry Letters 2025年 125-126卷 130289页

作者： Emil Salim Hilkatul Ilmi Aty Widyawaruyanti Natsuhisa Oka Department of Chemistry and Biomolecular Science Faculty of Engineering Gifu University 1-1 Yanagido Gifu 501-1193 Japan Department of Chemistry Faculty of Mathematics and Natural Sciences Universitas Andalas Padang 25163 Indonesia Doctoral Program at the Faculty of Pharmacy Universitas Airlangga Surabaya 60115 Indonesia Natural Product Medicine Research and Development Institute of Tropical Disease Universitas Airlangga Surabaya 60286 Indonesia Department of Pharmaceutical Sciences Faculty of Pharmacy Universitas Airlangga Surabaya 60115 Indonesia Institute for Glyco-core Research (iGCORE) Gifu University 1-1 Yanagido Gifu 501-1193 Japan Center for One Medicine Innovative Translational Research (COMIT) Institute for Advanced Study Gifu University 1-1 Yanagido Gifu 501-1193 Japan

Novel hydroxychloroquine (HCQ)-sugar conjugates were evaluated for their antimalarial activity against chloroquine-sensitive ( Pf 3D7) and multi-resistant ( Pf Dd2) strains of Plasmodium falciparum , cytotoxicity, and hydrolytic stability. HCQ-galactose conjugate with a 1,2-orthioester linkage exhibited the highest activity against Pf 3D7 (IC 50 value of 0.018 ± 0.001 μg/mL). Per- O -acetyl-β- d -glucopyranosyl-HCQ exhibited the highest activity against Pf Dd2 (IC 50 = 0.20 ± 0.02 μg/mL), while also maintaining comparable activity against Pf 3D7. Orthoester-linked conjugates were gradually hydrolyzed in human serum, resulting in HCQ release, which may contribute to their high activity. Glycosidic bond-linked conjugates showed high hydrolytic stability, retaining a certain level of activity, possibly without releasing HCQ. Toxicity assessments using the BHK21 cell line indicated significantly lower cytotoxicity for all HCQ-sugar conjugates compared to HCQ.

关键词： Glycosylation Hydroxychloroquine Malaria Plasmodium falciparum Sugar conjugate

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Characterization of Electrical Steels for High Speed Induction Motor Applications: Going Beyond the Standards

Characterization of Electrical Steels for High Speed Inducti...

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IEEE Energy Conversion Congress and Exposition

作者： Andre S. L. Costa Rodrigo R. Bastos Sebastiao C. Paolinelli Sebastiao L. Nau Ramon M. Valle Braz J. Cardoso Filho Universidade Federal de Minas Gerais Graduate Program in Electrical Engineering Belo Horizonte Brazil APERAM South America - Dept of Research Timoteo MG Brazil WEG Motors - Dept of Research and Product Development Jaragua do Sul Brazil

ISBN: (纸本)9781479957774

The objective of the present work is to assess the impact of improvements in standard characterization figures of merit of electrical steels, typically found in manufacturers catalogs (B_(50) and W_(10/400)), in the performance of high speed electrical motors. From the motor manufacturer standpoint, changing to new materials may represent a complicated and costly procedure. Besides, the motor manufacturer has to deal with process variability and building tolerances that may overcome minor improvements in the electric steel. The electrical steel manufacturer has to deal with numerous process variables and long and expensive development times to come up with new products. Hence, even a small improvement in the B_(50) and W_(10/400) figures are considered to be great achievements. In order to verify if such improvements really translate into real gains in electrical motors, a series of prototypes were constructed with newly developed electrical steels. The core losses of these prototypes were determined by the loss segregation method. Test results support the conclusion that the standard steel characterization figures of merit do not carry enough information for steel and motor manufacturers to conclude on the performance of an electrical steel grade. A datasheet of the electrical steel is proposed. Such datasheet carries useful information for the electrical motor designer and should also be used in the steel development process as a new product assessment tool.

关键词： electric sheet PROTOTYPE Electric motors Core loss Steels High speed MANUFACTURER Process variables Motor Advanced materials

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Modelling and analysis of a nine-phase induction motor with third harmonic current injection

Modelling and analysis of a nine-phase induction motor with ...

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International Conference on Power Electronics (ICPE)

作者： R. R. Bastos R. M. Valle S. L. Nau B. J. Cardoso Filho Graduate Program in Electrical Engineering Federal University of Minas Gerais Belo Horizonte MG Brazil UFMG Belo Horizonte Brazil Dept of Research and Product Development WEG Motors Jaraguá do Sul Brazil Universidade Federal de Minas Gerais Belo Horizonte MG BR

Using electric motors with a number of phases greater than three may present some advantages over conventional three phase machines in the following applications: high power levels, electric vehicles and applications that require high levels of reliability. Multiphase machines, meaning designs comprising more than three phases, also allows an increase in torque density from the injection of harmonic currents. It is shown in this paper a comprehensive approach for the derivation of equivalent circuits for steady state operation for both fundamental and third harmonic frequencies for a nine-phase motor with concentrated windings and full pitch. Besides that, simulation of the dynamic model of the machine is done to obtain the expected torque improvement.

关键词： Harmonic analysis Torque Windings Mathematical model Integrated circuit modeling Induction motors Equivalent circuits

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A predictive control strategy for doubly-fed induction generator direct power control

A predictive control strategy for doubly-fed induction gener...

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IEEE/IAS International Conference on Industry Applications (INDUSCON)

作者： Alfeu J. Sguarezi Filho M. E. de Oliveira Filho Ernesto Ruppert Graduate Program in Electrical Engineering Federal University of Minas Gerais Belo Horizonte MG Brazil Graduate School of Engineering Okayama University of Science Okayama Japan Mechanical Engineering Department UFMG Belo Horizonte Brazil Department of Inteligent Mechacical Enginnering Fuculty of Engineering Okayama University of Science Okayama Japan Dept of Research and Product Development WEG Motors Jaraguá do Sul Brazil

This paper proposes a model based predictive controller for direct power control of DFIG. The control law is derived by optimization of an objective function that considers the control effort and the difference between the predicted outputs (active and reactive power) and the specific references, with predicted outputs calculated using a linearized state-space model. Because the generator leakage inductance and resistance information were required for this control method, the influence of the estimation errors for these parameters was also investigated. Simulation results are presented for validation the proposed controller.

关键词： Rotors Reactive power Stators Capacitors Conferences

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COMPUTER-AIDED MANUFACTURING OF ADVANCED MICROWAVE MODULES

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INTERNATIONAL JOURNAL OF MICROWAVE AND MILLIMETER-WAVE COMPUTER-AIDED engineering 1991年第1期1卷 90-111页

作者： PAVIO, AM PAVIO, JS CHAPMAN, JE BOGGAN, GH Texas Instruments Incorporated P.O. Box 655474 Dallas. Texas 75265 Jeanne Pavio is the Manager of the Microwave Advanced Packaging Group at Texas Instruments where she has been cmployed since 1980. She received the BA degree in 1971 and the MS in 1972 both from the University of Connecticut. Her experience base has included the fabrication and assembly of thick and thin film hybrids. At the Texas Instruments Hybrid Microelectronics Laboratory Jeanne implemented nitrogenfireable thick film for ceramic application in surface-mount technology and hybrids. For the last six years she has focused on the automated assembly and packaging of GaAs Monolithic Microwave Integrated Circuits and devices. This has encompassed development of fluxless furnace reflow and void-free vacuum reflow of GaAs components as well as development of automated wirebonding to GaAs Microwave Hybrids. She was instrumental in directly applying this technology to active phased array module production. Her efforts presently involve the implementation of high-volume techniques and automation for insertion of MMIC technology in a cost-effective highvolume environment. She has authored numerous papers involving hybrid fabrication and assembly technology and in particular involving automated assembly and packaging of GaAs MMIC devices. James E. Chapman Jr. was born in Dallas Texas in 1943. He received the BS and MS degrees in Electrical Engineering from Southern Methodist University (SMU) in 1966 and 1968 respectively. During this time he was associated with the Semiconductor Group of Texas Instruments Incorporated as an undergraduate engineering cooperative student working with various silicon products and processes. Mr. Chapman is currently a Senior Member of the Technical Staff assigned to the Microwave Technology and Products Division of the Defense Systems and Electronics Group. In this position he is currently technical director of the Technology Development for Solid-state Phased-Arrays (TDSSPA) Program. This program is a task-ordere

The application of computer-aided manufacturing (CAM) techniques to the assembly and test of a low-cost, high-volume X-band Radar T/R module will be investigated by highlighting the differences between low frequency and microwave CAM methods, focusing on the difficulties of automated testing, evaluation, and circuit tuning. The problems encountered when implementing high-precision automated assembly and test methods, which include wire-bonding, soldering, piece-part placement, thin wafer GaAs probing, and a novel implementation of a microwave circuit laser-tuning technique will also be discussed. These CAM techniques, combined with integrated MMIC technology, are then used to illustrate a manufacturing philosophy targeted toward high-volume microwave module production.

关键词： Microwave devices

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Are Human Factors Professionals Needed for product development?

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Proceedings of the Human Factors and Ergonomics Society Annual Meeting 2014年第1期58卷 1801页

作者： Walter Herbst Professor and Director Master of Product Development Program Department of Mechanical Engineering Northwestern University Evanston IL

Walter Herbst was invited by the product Design Technical Group to give a keynote address on product development at the first of the Group’s meeting sessions. As an expert in product development, he has a long career in both industry and academia. His presentation focusses on the product development cycle and the roles of Industrial Design and of Human Factors in supporting it. His perception of Human Factors’ role may challenge your current thinking about it.

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Advances in lightweight precision north finding and positioning systems

Advances in lightweight precision north finding and position...

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DGON Inertial Sensors and Systems Symposium

作者： J. Bias N. Mathur T. Thorpe United States Army Communications and Electronics Research Development and Engineering Command Night Vison and Electronics Sensors Directorate Fort Belvoir Virginia UNITED STATES OF AMERICA United States Army Program Executive Office Soldier Product Manager Soldier Precision Targeting Devices Fort Belvoir Virginia UNITED STATES OF AMERICA

ISBN: (纸本)9781509025169

关键词： Accelerometers Earth Azimuth Gyroscopes Sensor systems Micromechanical devices

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Ensuring a strong U.S. engineering workforce for technology innovation and competitiveness: A partnership between academia and industry

Ensuring a strong U.S. engineering workforce for technology ...

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2008 ASEE Annual Conference and Exposition

作者： Keating, Donald Stanford, Thomas Rencis, Joseph J. Deloatch, Eugene Noori, Mohammad Sullivan, Edward Woodall, David Egbert, Norman Quick, David Olson, Roger Truesdale, Samuel McHenry, Albert Lindquist, Timothy Tidwell, Joseph Palmer, Harvey Smith, Mark Dunlap, Duane Schuver, Mark Segner, Edmund Farbrother, Barry Tricamo, Stephen Burbank, Ken Purdy, Carla Holmes, Randall University of South Carolina Department of Mechanical Engineering College of Engineering University of South Carolina Graduate Studies Division National Collaborative Task Force Department of Chemical Engineering University of South Carolina University of Arkansas Department of Mechanical Engineering University of Arkansas Morgan State University School of Engineering Morgan State University American Society of Engineering Education North Carolina State University College of Engineering California State Polytechnic University California Polytechnic State University Department of Civil Engineering College of Engineering California State Polytechnic University Oregon Institute of Technology Engineering Research Council Rolls-Royce Corporation Engineering and Technology Rolls-Royce Corporation R and D Customer Requirements R and T Strategy Rolls-Royce North American Technologies College Industry Partnership Division American Society for Engineering Education Employee Development Engineering Business Improvement Organization Rolls-Royce Corporation Arizona State University Arizona State University Polytechnic College of Technology and Innovation Arizona State University Polytechnic Joint Alliance of Companies Managing Education for Technology JACMET Rochester Institute of Technology Kate Gleason College of Engineering Rochester Institute of Technology Product Development and Manufacturing Leadership Program Kate Gleason College of Engineering Rochester Institute of Technology Purdue University College of Technology Purdue University Graduate Studies Division American Society for Engineering Education University of Alabama Birmingham United States Department of Civil Engineering University of Alabama Birmingham United States University of New Haven Tagliatela College of Engineering University of New Haven New Jersey Institute of Technology Department of Industrial and Manufacturing Engineering Western Carolina University Department of Engineering and Technology Western Carolina University Un

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