Results 71 to 80 of about 600 (183)

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

Applied 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

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

Dianzi 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, Zhang Xiaolei, Kong Lingbo, Hu Huiying   +3 more
doaj   +1 more source

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

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

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

Designs
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, Paulo Oliveira Fael, Pedro Dinis Gaspar, António Espírito-Santo   +3 more
doaj   +1 more source

Simulation and Test Study of Transmission Rattle Sensitivity

Jixie 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, Xiaoqiang Zhou, Junfeng Hu, Xiaolong Deng, Jun Lan, Tianbao Tang   +5 more
doaj  

Research on the Accumulative Damage of Flywheels Due to In-Space Charging Effects

Aerospace
High-speed rotating flywheel bearings, designed for space applications, generate a high-resistance hydrodynamic lubrication film, which isolates the rotor, transforming it into a conductor. This phenomenon introduces a novel failure mode—flywheel bearing
Dong Tian, Yanjun Feng, Hongbo Su, Xiao Zeng, Gang Liu, Yenan Liu, Jing He   +6 more
doaj   +1 more source

Equivalence partition based morphological similarity clustering for large-scale time series. [PDF]

Sci Rep, 2023
Hu S.
europepmc   +1 more source

High-Speed Kinetic Energy Storage System Development and ANSYS Analysis of Hybrid Multi-Layered Rotor Structure

Applied Sciences
Flywheel energy storage systems (FESSs) can reach much higher speeds with the development of technology. This is possible with the development of composite materials.
Cenk Yangoz, Koray Erhan
doaj   +1 more source

Flywheel Energy Storage for Ancillary Services: A Novel Design and Simulation of a Continuous Frequency Response Service for Energy Limited Assets

IEEE Open Access Journal of Power and Energy
With National Grid ESO introducing a suite of new Frequency Response Services for the GB electricity market, there is an opportunity to investigate the ability of low-energy capacity storage systems to participate in the frequency response market.
Andrew J. Hutchinson, Daniel T. Gladwin
doaj   +1 more source

Impact of Storage Technologies upon Power System Losses [PDF]

Journal of Electrical and Electronics Engineering, 2015
The paper describes the main characteristics of storage technologies. The most important storage technologies are the batteries, hydrogen, pumped hydro, flywheels, compressed air, super-capacitors and superconducting magnetic devices.
DULAU Lucian Ioan
doaj