Results 51 to 60 of about 26,699 (301)
Development of a High-Power Two-Roller Traction Tester and Measurement of Traction Curves
Tribology Online, 2016 Measuring and estimating the traction coefficient is necessary to improve transmitting efficiency and design compact, lightweight toroidal continuously variable transmissions (T-CVTs).
Hirofumi Itagaki +3 more
doaj +1 more source
Rapid Fabrication of Self‐Propelled and Steerable Magnetic Microcatheters for Precision Medicine
Advanced Materials, EarlyView.A rapid Joule heating fabrication method for the production of self‐propelling, adaptive microcatheters, with tunable stiffness and integrated microfluidic channels is presented. Demonstrated through three microrobotic designs, including a steerable guiding catheter, an untethered wave‐crawling TubeBot, and a distal‐end propelled microcatheter, it was ...
Zhi Chen +5 more
wiley +1 more source
Study of the asynchronous traction drive's operating modes by computer simulation. Part 2: simulation results and analysis [PDF]
Transport Problems, 2015 The problem arising at the design of electric locomotives with asynchronous traction drive are considered. The electrical scheme provides the possibility of individual (by axle) control of traction motors.
Pavel KOLPAHCHYAN, Alexander ZARIFYAN Jr
doaj
Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics
Advanced Materials, EarlyView.The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades +7 more
wiley +1 more source
Jixie chuandong, 2009 Two common test methods of traction drive are introduced:four-ball method and two-disc method.Based on the methords,an experiment of roll and disc method is carried out by using traction drive testing machine in reciprocating.
牛永生, 田伟华
doaj
Reducing Operation Emissions and Improving Work Efficiency Using a Pure Electric Wheel Drive Tractor
EngineeringIn response to the problems of excessive greenhouse-gas and particulate emissions and the low traction efficiency of conventional diesel tractors in the field, a purely electric wheel-side drive tractor was studied, including an electric motor drive ...
Chang-Kai Wen +7 more
doaj +1 more source
The Journal of Engineering, 2019 High energy-efficient permanent magnet synchronous machines (PMSMs) with low manufacturing costs and easy controllability are in high demand for the automotive and aerospace industries and in explosive environments (hazardous areas) like mines and the ...
Nijan Yogal +2 more
doaj +1 more source
Temperatures Evaluation in an Integrated Motor Drive for Traction Applications [PDF]
IEEE Transactions on Industrial Electronics, 2008 The integrated propulsion motor is a drive designed for an individual self-driven container rail-platform wagon developed in the ldquointegrated standard transport unitrdquo research and development project, supported by the European commission. This paper presents the study of the motor and the converter temperatures at rated and overload working ...
TENCONI, Alberto +3 more
openaire +1 more source
Mechanically Programmable DNA Hydrogel Microparticles for 3D Cellular Systems
Advanced Materials, EarlyView.DNA hydrogel microparticles are designed to exhibit controllable viscoelasticity and stiffness across three orders of magnitude from 30Pa$30 \,\mathrm{Pa}$ to 6.5kPa$6.5 \,\mathrm{kPa}$. They are uptaken into fibroblast spheroids where they are actively remodeled by cellular forces depending on their mechanical properties.
Tobias Walther +9 more
wiley +1 more source
Harmonic Comparison and Analysis on Traction and Brake Condition of AC Drive Electric Locomotive
, 2012 Four-quadrant converter system of AC drive electric locomotive was stated, and input current harmonic distribution under traction and brake condition was analyzed, which was proved consistent by simulation and experimental ...
ZHANG Jian-bai, ZHAO Chun-ming
core +1 more source