Results 21 to 30 of about 715,328 (344)

Performance Analysis and Experimental Research of Electromagnetic-Ring Active Balancing Actuator for Hollow Rotors of Machine Tool Spindles

open access: yesApplied Sciences, 2019
Active balancing actuators are essential components of intelligent machine tool spindles to automatically reduce the unbalance vibration and promote machining accuracy and efficiency.
Xin Pan   +5 more
doaj   +1 more source

A Modular Active Balancing Circuit for Redox Flow Battery Applied in Energy Storage System

open access: yesIEEE Access, 2021
To improve the operation performance and energy conversion efficiency of the redox flow battery (RFB), a modular active balancing circuit for redox flow battery applied in the energy storage system is proposed in this paper. Detailed topology description,
Weide Guan, Xiaoqing Huang
doaj   +1 more source

Physical activity, energy balance and obesity [PDF]

open access: yesPublic Health Nutrition, 2007
AbstractObesity appears when energy intake exceeds energy expenditure. The most important variable compound of energy expenditure is physical activity. The global epidemics of obesity seem closely related to reduced physical activity and sedentariness widely increasing nowadays.
Griera, José Luís   +5 more
openaire   +3 more sources

Physical activity and energy balance [PDF]

open access: yesPublic Health Nutrition, 1999
AbstractEnergy expenditure rises above resting energy expenditure when physical activity is performed. The activity-induced energy expenditure varies with the muscle mass involved and the intensity at which the activity is performed: it ranges between 2 and 18 METs approximately.
openaire   +2 more sources

Measured impact of crooked traceroute [PDF]

open access: yes, 2011
Data collected using traceroute-based algorithms underpins research into the Internet’s router-level topology, though it is possible to infer false links from this data.
claffy, kc   +3 more
core   +2 more sources

Operating Principle and Performance Optimization of a Three-Level NPC Dual-Active-Bridge DC-DC Converter [PDF]

open access: yes, 2015
© 1982-2012 IEEE. Aiming to improve the performance features of conventional two-level dual-active-bridge (DAB) converters, this paper presents a three-level neutral-point-clamped (NPC) DAB dc-dc converter.
Bordonau Farrerons, José   +3 more
core   +2 more sources

Multi-layer state of health balancing control for a battery-based energy storage system to extend cycle life based on active equalization circuits

open access: yesFrontiers in Energy Research, 2022
State of health (SoH) imbalance causes capacity waste and cycle life reduction of the battery-based energy storage systems (BESS), which demands SoH balancing control of the parallel-connected packs and the series-connected cells of the BESS.
Xiaohang Li   +5 more
doaj   +1 more source

A predictive control with flying capacitor balancing of a multicell active power filter [PDF]

open access: yes, 2008
Unlike traditional inverters, multicell inverters have the following advantages: lower switching frequency, high number of output levels, and less voltage constraints on the insulated-gate bipolar transistors.
Defaÿ, François   +2 more
core   +1 more source

Inverted Pendulum Human Transporter Balance Control System Based on Proportional Integral Derivative – Active Force Control [PDF]

open access: yes, 2011
Many research for the balancing of inverted pendulum control system to develop the performance. This paper will simulate a Proportional Integral Derivative – Active Force Control (PID-ACF) methods to swing a pendulum attached to a cart from an initial ...
Pitowarno, Endra, putra, kamajaya
core   +2 more sources

Software-based fast failure recovery in load balanced SDN-based datacenter networks [PDF]

open access: yes, 2016
Load balancing is currently considered as a candidate solution to tackle the emerging problem of increasing bandwidth demand in intra-datacenter networks.
GIORGETTI, Alessio, Raeisi, Behrouz
core   +1 more source

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