Results 1 to 10 of about 793,059 (169)

Dynamic performance [PDF]

open access: yes, 2020
Nowadays, it is expected from employees that they are flexible and able to deal with unforeseen changes at work. This is what has been called dynamic performance or adaptive performance. In Air Traffic Control, it is even more important that Air Traffic Controllers are able to deal with all the information they receive to ensure safe air traffic.
Jose A. Romagnoli, Ahmet Palazoglu
openaire   +3 more sources

Influence of Posture Change on Train Running Safety under Crosswind

open access: yesApplied Sciences, 2021
High-speed trains serving in a crosswind region are bearing more significant safety risks. Based on the three-dimensional (3D) Unsteady Reynolds-Averaged Navier–Stokes (URANS) turbulence model, a Computational Fluid Dynamics (CFD) computational work was ...
Jian Yan   +6 more
doaj   +1 more source

Performance Variability and Project Dynamics [PDF]

open access: yesComputational & Mathematical Organization Theory, 2005
We present a dynamical theory of complex cooperative projects such as large engineering design or software development efforts, comprised of concurrent and interrelated tasks. The model accounts for temporal fluctuations both in task performance and in the interactions between related tasks.
Bernardo A. Huberman   +1 more
openaire   +3 more sources

Time-Optimal Low-Level Control and Gearshift Strategies for the Formula 1 Hybrid Electric Powertrain

open access: yesEnergies, 2020
Today, Formula 1 race cars are equipped with complex hybrid electric powertrains that display significant cross-couplings between the internal combustion engine and the electrical energy recovery system.
Camillo Balerna   +6 more
doaj   +1 more source

HFBN: An Energy Efficient High Performance Hierarchical Interconnection Network for Exascale Supercomputer

open access: yesIEEE Access, 2022
Supercomputers are trying to be eco-friendly using their main components like- interconnection networks, processors, and shared memory through high power efficiency (GFlops/watts).
Faiz Al Faisal   +2 more
doaj   +1 more source

Parameter Optimization Method for Power System of Medium-Sized Bus Based on Orthogonal Test

open access: yesEnergies, 2022
Accurate and reasonable matching design is a current and difficult point in electric vehicle research. This paper presents a parameter optimization method for the power system of a medium-sized bus based on the combination of the orthogonal test and the ...
Xingxing Wang   +7 more
doaj   +1 more source

Optimization and Simulation of Dynamic Performance of Production–Inventory Systems with Multivariable Controls

open access: yesMathematics, 2021
The production–inventory system is a problem of multivariable input and multivariant output in mathematics. Selecting the best system control parameters is a crucial managerial decision to achieve and dynamically maintain an optimal performance in terms ...
Huthaifa AL-Khazraji   +2 more
doaj   +1 more source

Research on the Influence of the Assembly Parameters of the Junction Surface of Ultrasonic Acoustic Components on the Acoustic Performance Parameters

open access: yesMachines, 2022
The core of the ultrasonic machining system is the acoustic vibration component. Due to the inconsistency of the assembly conditions between the junction surfaces of the acoustic vibration component, the resonant frequency of the ultrasonic acoustic ...
Hongxian Ye   +3 more
doaj   +1 more source

Dynamic performance and stability analysis of an active inerter-based suspension with time-delayed acceleration feedback control [PDF]

open access: yesBulletin of the Polish Academy of Sciences: Technical Sciences, 2022
An active inerter-based suspension with acceleration feedback control is proposed in this paper, the time delay generated in the controllers and actuators is considered, which constitutes the time-delayed active inerter-based (TDA-IB) suspension.
Yong Wang   +4 more
doaj   +1 more source

Research on the Dynamic Response of High-speed Trains under Different Curve Radii Caused by Wind–sand Flow [PDF]

open access: yesJournal of Applied Fluid Mechanics
To investigate how the curve radius parameter affects the safety of high-speed train operation in a wind–sand environment, researchers used the wind–sand section of the Lanzhou–Urumqi high-speed railway as their research backdrop.
Y. Bai   +4 more
doaj   +1 more source

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