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[PDF] Top 20 Study on Shimming Method for Open Permanent Magnet of MRI

Has 10000 "Study on Shimming Method for Open Permanent Magnet of MRI" found on our website. Below are the top 20 most common "Study on Shimming Method for Open Permanent Magnet of MRI".

Study on Shimming Method for Open Permanent Magnet of MRI

Study on Shimming Method for Open Permanent Magnet of MRI

... Abstract—The shimming method used for producing high field homogeneity of the open permanent main magnet for magnetic resonance imaging (MRI) is researched in this ...central ... See full document

12

Comparative Study of Closed and Open Loop Control Employing UPF Control Strategy for Standalone Variable Speed Wind Turbine

Comparative Study of Closed and Open Loop Control Employing UPF Control Strategy for Standalone Variable Speed Wind Turbine

... world. Permanent magnet synchronous generators (PMSG) are now being used instead of induction generators, because of improved efficiency, modularity and absence of excitation ... See full document

5

Static Coil Design Considerations for the Magnetic Resonance Imaging

Static Coil Design Considerations for the Magnetic Resonance Imaging

... element method, thereby creating the desired field density for ...Static magnet design aspects that should be considered are: strength, temporal stability, minimization of fringe, homogeneity, patient ... See full document

7

Parametric Study of a Permanent-Magnet Stepper Motor’s Stepping Accuracy Potential

Parametric Study of a Permanent-Magnet Stepper Motor’s Stepping Accuracy Potential

... Optimization of the driving torque and minimization of the detent torque are common tasks in the development of prototype steppers; therefore, many published patents and investigations can be found that relate to these ... See full document

10

Novel Unified Control Method of Induction and Permanent Magnet Synchronous Motors

Novel Unified Control Method of Induction and Permanent Magnet Synchronous Motors

... unified method control base on the rotor flux orientation is ...proposed method is less complicated and has lower costs than ...proposed method was comparable to conventional ... See full document

14

Permanent Magnet Generator pdf

Permanent Magnet Generator pdf

... Take care when handling the magnets. Magnets can damage floppy discs, music tapes, credit cards and other magnetic media. Separate them from each other by sliding them sideways. They attract each other with strong ... See full document

49

Permanent magnet actuation for magnetic bead-based DNA extraction

Permanent magnet actuation for magnetic bead-based DNA extraction

... and permanent magnet used in this study were obtained from a com- mercial DNA extraction kits (MagAttract Suspension G, Qiagen, ...this study aimed to assess the bead-holding performances when ... See full document

9

The ECL Optimization and Experiment of HSPMSM with Improved Method

The ECL Optimization and Experiment of HSPMSM with Improved Method

... electromagnetic effect, amount of ECL and the stress existing in sleeve, with temperature rise.et, resulting in contrary correlativity together, such as increase of sleeve thickness leads to improve its strength, ... See full document

14

Analysis of the Harmonic Response of a Modulation Permanent Magnetic Transmission Equipment Based on ANSYS

Analysis of the Harmonic Response of a Modulation Permanent Magnetic Transmission Equipment Based on ANSYS

... modality is the fundamental frequency modality of the structure, which has a great effect on the actual vibration of the structure. After analyzing and comparing of the initial six order modal displacement response ... See full document

8

Geometry optimization of five-phase permanent magnet synchronous motors using Bees algorithm

Geometry optimization of five-phase permanent magnet synchronous motors using Bees algorithm

... Permanent Magnet Synchronous Motors (PMSMs) are one of the most proper and efficient motors in electricity ...with Permanent Magnets (PMs) makes these motors more efficient than their excited ... See full document

9

Comparative study on a new permanent magnet flux switching machine 
		configuration over segmental and salient rotor structure

Comparative study on a new permanent magnet flux switching machine configuration over segmental and salient rotor structure

... In this paper, design study of the proposed 12S- 8P AlCiRaF PMFSM with SegR and 12S-10P AlCiRaF PMFSM with SalR pole configurations has been inspected and compared. The output performances of both AlCiRaF PMFSMs ... See full document

7

Loss Minimization in Surface Permanent-Magnet Synchronous Motor Drives

Loss Minimization in Surface Permanent-Magnet Synchronous Motor Drives

... ABSTRACT: The loss minimization in surface permanent magnet synchronous motor drives is investigated. In order to reduce motor losses based on theoretical analysis, a Loss model controller is introduced to ... See full document

7

Performance of a Wind Diesel Hybrid Power System with STATCOM as a Reactive Power Compensator

Performance of a Wind Diesel Hybrid Power System with STATCOM as a Reactive Power Compensator

... The paper deals with automatic reactive power control of an isolated wind-diesel hybrid power system. The power is generated by diesel engine and wind turbine as prime movers with electrical power conversion by ... See full document

7

Efficiency improvement in dual inverter 
		fed open end permanent magnet synchronous motor

Efficiency improvement in dual inverter fed open end permanent magnet synchronous motor

... reluctance torques in field weakening region. Because the required operating region of HEV motor is much wider than that of other applications, the reluctance torque and wide field weakening characteristic make IPMSM ... See full document

10

Comparative study on a new permanent magnet flux switching machine configuration over segmental and salient rotor structure

Comparative study on a new permanent magnet flux switching machine configuration over segmental and salient rotor structure

... In this paper, design study of the proposed 12S-8P AlCiRaF PMFSM with SegR and 12S-10P AlCiRaF PMFSM with SalR pole configurations has been inspected and compared. The output performances of both AlCiRaF PMFSMs ... See full document

6

Magnetic Couplings with Cylindrical and Plane Air Gaps: Influence of the Magnet Polarization Direction.

Magnetic Couplings with Cylindrical and Plane Air Gaps: Influence of the Magnet Polarization Direction.

... UMR CNRS 6613, Avenue Olivier Messiaen, Le Mans 72085, France Abstract—This paper presents a comparison of cylindrical and plane air gap magnetic couplings in which the tile permanent magnet polarizations ... See full document

17

Load Management In Wind Systems With Fuzzy Controllers

Load Management In Wind Systems With Fuzzy Controllers

... comparative study of MPPT strategies and a novel singlephase integrated buck-boost inverter for small wind energy conversion systems," XI Brazilian Power Electronics Conference, ..."Experimental ... See full document

7

Prediction of Radiated EMI from Permanent Magnet Synchronous Motor Based on Field-circuit Coupled Method

Prediction of Radiated EMI from Permanent Magnet Synchronous Motor Based on Field-circuit Coupled Method

... Abstract—The Permanent magnet synchronous motor (PMSM) has been widely applied in a pulse width modulation inverter-fed adjustable speed drive (ASD) ...integral method in time domain is highly ... See full document

5

Magnetic resonance imaging investigation of the bone conduction implant – a pilot study at 1.5 Tesla

Magnetic resonance imaging investigation of the bone conduction implant – a pilot study at 1.5 Tesla

... two permanent magnets; one positioned in the implant under intact skin and one in the ...Each magnet is positioned in the center of the transmitter and receiver coil, respectively, to establish an optimal ... See full document

11

Numerical Simulation of Contactless Methods for Measuring jC Distribution of High Temperature Superconducting Thin Film

Numerical Simulation of Contactless Methods for Measuring jC Distribution of High Temperature Superconducting Thin Film

... present study is to develop a nu- merical code for analyzing the time evolution of the shield- ing current density in a HTS thin film for the case with the non-axisymmetric ...inductive method and the ... See full document

5

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