Results 81 to 90 of about 2,334 (218)

Dynamic Characteristics and Feedforward Control Methods of Magnetic Bearing Flywheels Under Moving Base Conditions

open access: yesApplied Sciences
Magnetic bearing flywheels, characterized by frictionless operation and long service life, are increasingly recognized as promising actuators for spacecraft attitude control.
Yuan Zeng, Peng Xiao, Jingbo Wei
doaj   +1 more source

Augmented Lagrangian approach for multi-objective topology optimization of energy storage flywheels with local stress constraints

open access: yes, 2023
Flywheel energy storage systems (FESS) used in short-duration grid energy storage applications can help improve power quality, grid reliability, and robustness. Flywheels are mechanical devices that can store energy as the inertia of a rotating disk. The
Aage, Niels   +2 more
core   +1 more source

Flywheels on Mianus engines owned by Charley Abbott

open access: yes, 2012
Large spoked flywheels on Mianus ...
Carey, Joelle
core  

Disturbance-observer-based high precision control of small reaction flywheels

open access: yesDianzi Jishu Yingyong
Reaction flywheels is a key component of the satellite attitude control system, and its performance is directly related to the control accuracy of optical remote sensing satellites.
Shen Ying   +3 more
doaj   +1 more source

Rim-spoke composite flywheels: Stress and vibration analysis [PDF]

open access: yes, 1976
Elementary relations are described to determine the material utilization efficiency of a thin wall rim composite flywheel over other configurations. An algorithm is generated for the automatic selection of the optimum composite material for a given thin ...
Kiraly, L. J., Chamis, C. C.
core  

Design of dual flywheels with connecting rods for gamma-type Stirling engine [PDF]

open access: yesBulletin of the Polish Academy of Sciences: Technical Sciences, 2018
S. Lekchaum, K. Locharoenrat
doaj   +1 more source

Demonstration of Single Axis Combined Attitude Control and Energy Storage Using Two Flywheels

open access: yes, 2004
The energy storage and attitude control subsystems of the typical satellite are presently distinct and separate. Energy storage is conventionally provided by batteries, either NiCd or NiH, and active attitude control is accomplished with control moment ...
Santiago, Walter   +4 more
core  

An Innovative Mechanical Approach to Mitigating Torque Fluctuations in IC Engines during Idle Operation

open access: yesDesigns
Internal combustion engines have been a major contributor to air pollution. Replacing these engines with electric propulsion systems presents significant challenges due to different countries’ needs and limitations.
Daniel Silva Cardoso   +3 more
doaj   +1 more source

Simulation and Test Study of Transmission Rattle Sensitivity

open access: yesJixie chuandong, 2021
Taking a DCT transmission preliminary gear 3 to 2 as an example,through the analysis of rattle theory and influence factors,the precise comparison verification result between simulation and test of rattle sensitivity are obtained.
Lü Pin   +5 more
doaj  

Specific Energy and Energy Density Analysis of Conventional and NonConventional Flywheels

open access: yes, 2013
Flywheels are widely used as a means of energy storage throughout different applications such as hybrid electric vehicles, spacecraft, and electrical grids. The research presented here investigates various steel flywheel constructions.
Reyna, Ruben
core  

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