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High temperature superconducting (HTS) synchronous motors can offer significant weight and size reductions, as well as improved efficiency, over conventional copper-wound machines due to the higher current density of high temperature…

Superconductivity · Physics 2014-10-10 Di Hu , Jin Zou , Tim J. Flack , Xiaozhuo Xu , Haichao Feng , Mark D. Ainslie

Ions stored in Penning traps may have useful applications in the field of quantum information processing. There are, however, difficulties associated with the laser cooling of one of the radial motions of ions in these traps, namely the…

Quantum Physics · Physics 2022-08-12 R. J. Hendricks , E. S. Phillips , D. M. Segal , R. C. Thompson

Muon colliders and neutrino factories are attractive options for future facilities aimed at achieving the highest lepton-antilepton collision energies and precision measurements of parameters of the neutrino mixing matrix. The performance…

Accelerator Physics · Physics 2009-10-22 Daniel M. Kaplan

Muon colliders have been proposed for the next generation of particle accelerators that study high-energy physics at the energy and intensity frontiers. In this paper we study a possible implementation of muon ionization cooling,…

The recent decades have seen various attempts at accelerating the process of developing materials targeted towards specific applications. The performance required for a particular application leads to the choice of a particular material…

In automotive industry, client needs evolve quickly in a competitiveness context, particularly, regarding the fan involved in the engine cooling module. This study has been done in cooperation with the automotive supplier Valeo. Here, we…

Applications · Statistics 2024-10-30 Agnès Lagnoux , T. M. Ngoc Nguyen , Bruno Demory , Manuel Henner

This paper proposes a new control strategy to improve vehicle cornering performance in a model predictive control framework. The most distinguishing feature of the proposed method is that the natural handling characteristics of the…

Systems and Control · Computer Science 2019-11-18 Kyoungseok Han , Giseo Park , Gokul S. Sankar , Kanghyun Nam , Seibum B. Choi

The design and control of winged aircraft and drones is an iterative process aimed at identifying a compromise of mission-specific costs and constraints. When agility is required, shape-shifting (morphing) drones represent an efficient…

This paper describes an investigation of the possible benefits from wing optimisation in improving the performance of Micro Air Vehicles (MAVs). As an example we study the Avion (3.64 kg mass, 1.60 m span), being designed at the CSIR…

Systems and Control · Electrical Eng. & Systems 2024-09-20 Arjun Sharma , Roddam Narasimha

Mechanical ventilators sustain life of patients that are unable to breathe (sufficiently) on their own. The aim of this paper is to improve pressure tracking performance of mechanical ventilators for a wide variety of sedated patients. This…

Systems and Control · Electrical Eng. & Systems 2020-04-02 Joey Reinders , Ruben Verkade , Bram Hunnekens , Nathan van de Wouw , Tom Oomen

Experimental and theoretical activities are underway at CERN with the aim of examining the feasibility of a very-high-flux neutrino source. In the present scheme, a high-power proton beam (some 4 MW) bombards a target where pions are…

Accelerator Physics · Physics 2014-11-18 G. Franchetti , S. Gilardoni , P. Gruber , K. Hanke , H. Haseroth , E. B. Holzer , D. Kuechler , A. M. Lombardi , R. Scrivens

This paper proposes a novel wind power smoothing control paradigm in context of performance-based regulation service. Conventional methods aim at adjusting wind power output using hard-coded filtering algorithms that can result in visually…

Systems and Control · Computer Science 2018-07-17 Xue Lyu , Youwei Jia , Zhao Xu , Jacob Østergaard

We experimentally optimize mixing of a turbulent round jet using machine learning control (MLC) following Li et al (2017). The jet is manipulated with one unsteady minijet blowing in wall-normal direction close to the nozzle exit. The flow…

Fluid Dynamics · Physics 2018-08-13 Zhi Wu , Fan Dewei , Yu Zhou , Ruiying Li , Bernd R. Noack

The core aspects and latest developments of Manoeuvre Intelligence for Space Safety (MISS), a new software tool for collision avoidance analysis and design, are presented. The tool leverages analytical and semi-analytical methods for the…

Instrumentation and Methods for Astrophysics · Physics 2020-10-19 Juan Luis Gonzalo , Camilla Colombo , Pierluigi Di Lizia

We use a phase-separated driven two-dimensional Ising lattice gas to study fluid interfaces exposed to shear flow parallel to the interface. The interface is stabilized by two parallel walls with opposing surface fields and a driving field…

Statistical Mechanics · Physics 2009-11-13 Thomas H. R. Smith , Oleg Vasilyev , Douglas B. Abraham , Anna Maciołek , Matthias Schmidt

A new experimental area designed to develop, test and verify muon ionization cooling apparatus using the 400-MeV Fermilab Linac proton beam has been fully installed and is presently being commissioned. Initially, this area was used for…

Optimal control of magnetizing current for minimizing induction motor power losses during load torque step change was developed. Obtained strategy has feedback form and is exactly optimal of ideal speed controller performance and absence of…

Systems and Control · Computer Science 2014-04-21 Alex Borisevich , Gernot Schullerus

We describe the design concept and estimated performance of an iron-scintillator sampling calorimeter for the future Electron Ion Collider. The novel aspect of this detector is a multi-dimensional readout coupled with foreseen excellent…

Instrumentation and Detectors · Physics 2026-05-29 Rowan Kelleher , Anselm Vossen , William W. Jacobs , Gerard Visser , Simon Schneider , Yordanka Ilieva , Pawel Nadel-Turonski

A high-energy muon collider scenario requires a "final cooling" system that reduces transverse emittance by a factor of ~10 while allowing longitudinal emittance increase. The baseline approach has low-energy transverse cooling within…

Accelerator Physics · Physics 2015-02-11 David Neuffer

This paper deals with a predictive model of kinematical performance in 5-axis milling within the context of High Speed Machining. Indeed, 5-axis high speed milling makes it possible to improve quality and productivity thanks to the degrees…

Classical Physics · Physics 2009-04-08 Sylvain Lavernhe , Christophe Tournier , Claire Lartigue