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High Electric Power, High Density Mounting Module
SAE Technical Paper Series, 1990<div class="htmlview paragraph">As the car-mount electronic control devices are increasing in number and variety, power train control devices for controlling actuators such as motors and solenoids are intensively developed at great speed. The electronic circuits used in these devices contain microcomputers, LSIs and ICs that have arithmetic ...
Takahiro Manabe +4 more
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High power density SiGe millimeter-wave power amplifiers
International Journal of Microwave and Wireless Technologies, 2011This paper presents measured results for two-stage and three-stage high-voltage/high-power (HiVP) amplifiers implemented in a commercial 0.12 μm silicon germanium (SiGe) heterojunction bipolar transistor (HBT) bipolar Complementary Metal Oxide Semiconductor (BiCMOS) process at millimeter wave.
Thomas J. Farmer +4 more
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High-Density Avionic Power Supply
IEEE Transactions on Aerospace and Electronic Systems, 1980Dramatic reductions in size and weight have been achieved in the area of signal and information processing. Power conditioning circuits have not kept pace, primarily due to the relatively slow proggress ress in the passive energy storage and transformation devices.
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A high-power-density DC/DC converter for high-power distributed power systems
IEEE 34th Annual Conference on Power Electronics Specialist, 2003. PESC '03., 2004This paper presents a zero-voltage-switching (ZVS) three-level DC/DC resonant converter for high-power distributed power systems. The paper first addresses the operation of the converter at a fixed frequency, which is achieved by applying phase-shift control between the primary and the secondary sides of the transformer.
F. Canales +3 more
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SH3: high code density, low power
IEEE Micro, 1995Hitachi's SH series microprocessors feature 32-bit RISC architecture with a 16-bit, fixed-length instruction set. We describe SH3, a pipelined implementation of the SH architecture with on-chip cache, MMU, and software-programmable power management.
A. Hasegawa +5 more
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Power Density Optimization in High Fidelity Power Drive
IEEE International Conference on Electric Machines and Drives, 2005., 2005This paper analyzes factors determining power density in high current and high MVA power electronic converters & solid-state switches and recommends practical approaches to increase power density. For years increase in power density was the result of improvements in the power semiconductors density, which is the determining factor in medium power ...
Y. Khersonsky, null Chi Mak, G. Robinson
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High energy and high power density electrochemical capacitors
Journal of Power Sources, 1996Abstract High energy density electrochemical capacitors were built with a newly discovered electrode material (amorphous RuO 2 · x H 2 O). Energy densities as high as 96 J/g (26 Wh/kg) were obtained based on the RuO 2 · x H 2 O electrode material alone. However, the power density of the capacitor is low.
J.P. Zheng, T.R. Jow
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High power density high voltage power supply based on AC-link
2015 54th Annual Conference of the Society of Instrument and Control Engineers of Japan (SICE), 2015High power density is one of the developing directions of the high voltage converter. The converter based on AC-link has less energy conversion steps than the DC-link based; With the same switches, the transferred power capacity with continuous current mode of resonant circuit could be nearly 2 times than with the discontinuous mode, so converter based
Wei Li, Qingxiang Liu, Zhengquan Zhang
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High power-density thermoacoustic sound projectors
The Journal of the Acoustical Society of America, 2018Design, fabrication, and performance of large size and high power-density encapsulated thermoacoustic sound projectors driven by short pulses will be presented. The analysis of enhanced energy conversion efficiency using proper signal processing and low-dimensional thermodynamics will be given.
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Gearing Design for High Power Density
2020High power density is one of the major attributes of gearing systems. It could primarily be achieved by adopting designs that feature multiple power paths, which make some of the gears multi-mesh gears, in particular the larger and heavier ones, and some of the pinions double-mesh ones.
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