Canted-cosine-theta (CCT) technology has been studied for its suitability a future-circular-collider (FCC) main dipole in terms of magnetic and mechanical performance, electrothermal protectability, as well efficiency. In this paper, we present lessons learnt from our search efficient CCT solutions by means two-dimensional (2-D) simulations, discuss the 3-D periodic model, electromagnetic analysis end regions. Temperature voltage distributions during quench under simplifying assumptions are...

A swarm intelligence-based procedure to detect critical conditions of a patient, affected by specific disease, at an early stage in absence clinician, is proposed. The be integrated inside remote health care system for patients home, where some physiological parameters related disease are being monitored. significant variation the monitored can lead patient state, thus proposed method aimed predicting possible future bad condition on basis past measurements. Moreover, different contribute...

The Canted-Cosine-Theta (CCT) technology has the potential, by its intrinsic stress-management, to lower coil stresses in high-field accelerator magnets. This is especially relevant for Nb <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sub> Sn magnets, which may be subject irreversible degradation if exceed critical values. internal structure of CCT coils, however, dilutes engineering current density. For an efficient design, structure,...

A method for designing cylindrical hollow superconducting shields cryogenic measurement devices operating in background fields of 1 T is proposed. The shield design based on MgB2 composite, manufactured by the reactive Mg liquid infiltration process [1]. composite allows low-cost with good mechanical resistance to be realized easily. geometrical benchmarked experimental characterization at 4.2 K. case study a DC current transformer reported. Design results show shielding efficiency 70% both...

In this article, we attempt to summarize the 5-year long involvement of PSI through CHART MagDev program with R&D on Canted Cosine Theta (CCT) technology as a candidate for an FCC-hh main dipole magnet. We present test results Dipole 1 (CD1) 1-m-long 10-T Nb <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"><tex-math notation="LaTeX">$_{3}$</tex-math></inline-formula> Sn demonstrator magnet, well subjective list 'pros and cons' CCT that...

At the Paul Scherrer Institute (PSI), Canted-Cosine-Theta (CCT) magnet program aims at demonstrating that CCT technology is a viable candidate for development of 16-T dipole magnets, required future circular colliders. The first step in this direction implementation Nb3Sn 1-m-long, two-layer single-aperture dipole, referred to as Canted Dipole One (CD1), which designed achieve peak field bore ~11 T. in-house manufacturing and assembly CD1 requires infrastructure number fabrication steps be...

The Superconducting Link project at CERN aims developing helium-gas-cooled high-current electrical transfer lines for the powering of superconducting magnets, which are being developed in framework High-Luminosity upgrade Large Hadron Collider. A candidate conductor cables is magnesium diboride (MgB <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> ) round wire operated temperatures up to 25 K. One most important factors be taken into...

A swarm intelligence-based approach to multiple-fault diagnostics for industrial applications is proposed. Drawbacks of swarm-based algorithms in heuristic search strategy related mutual dependence solutions are overcome by a likelihood-based trail intensity modification ant-colony optimization. Numerical results comprehensive characterization through statistical experiment design on high-dimension multiple-faults diagnosis shown. Experimental under the framework an research project...

An accurate and flexible system for magnetic permeability measurements is described. In particular, effects such as eddy currents signal drift are minimized by exploiting the main features: (i) high-performance digital integration means of a integrator, with theoretical resolution 10 ppt using an 18-Bit A/D Converter at 800 kS/s, specifically developed measurements, (ii) flexibility measurement procedure overcoming field non-uniformity errors through generated software framework. background...

A fully digital system, improving measurements flexibility, integrator drift, and current control of superconducting transformers for cable test, is proposed. The system based on a high-performance integration Rogowski coil signal flexible direct the into secondary windings. This allows state-of-the-art performance to be overcome by means out-of-the-shelf components: full-scale 32 kA, measurement resolution 1 A, stability below 0.25 min−1, controller ripple less than ±50 ppm. effectiveness...

Superconductivity is a technology with declared interest in several fields of physics and engineering. Nowadays, superconducting cables [1] are largely exploited such as particle colliders [2] medical machines [3]. The generation electrical energy tokamaks [4] further application low-temperature superconductivity well. Moreover, the promises arising from High Temperature Superconductors (T <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">c</sub>...

A new cryogenic dc current transformer (Cryo-DCCT) has recently been designed and assembled at CERN. The device, whose design is based on that of a high-accuracy 600 market solution suitable for room temperature applications, optimized measuring currents up to 80 kA operation 4.2 K. CryoDCCT conceived with the objective preserving metrological performance original commercial device in extended range operation. For reducing effect interfering magnetic fields arising from test conditions, it...

The design of a cryogenic sensing element for superconducting DC current transformers working up to 100 kA at 4.2 K is proposed. Limitations μ-metal magnetic characteristics conditions are overcome by soft Ni 81-Mo 5-Fe alloy (referred as permalloy). An optimized geometrical allows cores saturation due mechanical constraints be avoided. effectiveness the demonstrated through electromagnetic simulations exploiting measurement results from characterization permalloy samples. Moreover,...

A smart monitoring system for superconducting cable test is proposed with an adaptive current control of a transformer secondary. The design, based on Fuzzy Gain Scheduling, allows the controller parameters to adapt continuously, and finely, working variations arising from nonlinear dynamics. integrated in fully digital loop, all related benefits, i.e., high noise rejection, ease implementation/modification, so on. In particular, accurate model system, controlled by Scheduler transformer,...

A method for modeling and measuring electromagnetic transients due to eddy currents in fast-pulsed resistive magnets is proposed. In particular, an equivalent-circuit model a time-domain measurements of are presented. The needed accurate control the magnetic field quality ensure adequate stability performance particle beam accelerators dynamic conditions (field ramps up about 700 T/s). second part, results experiments definition, identification, validation discussed. tests were carried out...

The photon beam brightness of synchrotron light facilities is increased by reducing the emittance. For upgrade storage ring Swiss Light Source (SLS2), lattice achieving a low emittance foresees longitudinal gradient bending (LGB) magnets producing high peak field values and quasi-hyperbolic profiles to minimize at locations radiation. Two types technologies are studied: 1.4 T magnet based on permanent materials (PM-LGB) superconducting version (SC-LGB) working almost 5 peak, be upgraded 6 in...

High-current MgB <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> cables are being developed for the superconducting Link project at CERN in context of high-luminosity upgrade Large Hadron Collider. These will be connected to magnets by means splices with Nb-Ti Rutherford cables. Electrical one challenges new powering system, due relatively high-resistance matrix wires. In addition, operation gaseous helium requires specific optimization....

Newer generation circular light sources shall radiate at even higher brightness, requiring a reduction of their emittance. Furthermore, high-energy photons are needed for research in materials science, biology, and chemistry. These requirements can be met by using superconducting longitudinal gradient bend magnets, foreseen the upgrade Swiss source. The design this kind magnets is challenging due to need quasi-hyperbolic field profile with peak around 6 T providing warm bore an antechamber...

To improve the performance of Swiss Light Source (SLS) at Paul Scherrer Institute (PSI), an upgrade is ongoing (referred to as SLS 2.0), 2021-2025, that includes complete renewal storage ring, providing about 40 times lower emittance in user operation mode and therefore enhanced brightness. 2.0 imposes very strict requirements terms field quality magnetic alignment on more than 1000 magnets, which are being produced magnetically qualified. For first time a light source will operate with...

One of the main requirements for operations Large Hadron Collider (LHC) at European Organization Nuclear Research (CERN) is a suitable correction multipole errors in magnetic field. The feed-forward control LHC based on Field Description (FiDel), capable forecasting magnet's behavior order to generate adequate current ramps and corrector magnets. Magnetic measurements campaigns aimed validating model underlying FiDel highlighted need improving harmonic compensation third-harmonic (b <sub...

This article proposes a general method to model and simulate the process of magnetic field mapping; aim our work is combination effect bench position uncertainty with measurements' uncertainty. The based on study positioner kinematics using multi-body system approach. geometrical errors manipulator, including manufacturing tolerances assembling nonidealities are included in homogeneous transformation matrix (HTM), numerically estimate end-effector positioning <inline-formula...