Design and Analysis of a Double-Layer Magnetic Circuit Structure for High-Force Density Hybrid Fuel Injector

Linear switched reluctance actuators are a focus of study for many applications because of their simple and robust electromagnetic structure, despite their lower thrust force density when compared with linear permanent magnet synchronous motors. This chapter deals with incremental linear actuator have switched reluctance structure. First, the different topologies of linear incremental actuators are mentioned. Furthermore, a special interest is focused on the switched reluctance linear actuator then the operating principal is explained. In addition, an analytical model of the proposed actuator is developed without taking account of the saturation in magnetic circuit. Finally, the control techniques that can be applied to the studied actuator are presented.

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Analysis and Performance Evaluation of a High Thrust Force Density Segmental Stator Linear Switch Reluctance Machine for Low Cost Conveyor Applications

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.416-417.181 ◽

2013 ◽

Vol 416-417 ◽

pp. 181-186

Author(s):

Dao Han Wang ◽

Xiu He Wang

Keyword(s):

Performance Evaluation ◽

Magnetic Circuit ◽

Thrust Force ◽

High Reliability ◽

Low Cost ◽

Force Density ◽

Reluctance Machine ◽

And Performance ◽

High Thrust

This paper presents a novel linear switch reluctance machine (LSRM) with segmental stator. The principle of the presented machine is given and compared to the well-known teeth type linear switch reluctance machine. Because the presented machine incorporates a simple concentric winding and concrete ferrite-magnetic segmentations, it features unique magnetic circuit compared to teeth type linear reluctance machine. It is found that the presented linear reluctance machine gains favorable superiority over the teeth type linear reluctance machine in terms of high force density, high reliability and low cost. Different topologies of the presented machine are given and both their merits and demerits are discussed.

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Dynamic analysis of radial force density in brushless DC motor using 3-D equivalent magnetic circuit network method

IEEE Transactions on Magnetics ◽

10.1109/20.717736 ◽

1998 ◽

Vol 34 (5) ◽

pp. 3142-3145 ◽

Cited By ~ 20

Author(s):

Jin Hur ◽

Yen-Do Chun ◽

Ju Lee ◽

Dong-Seok Hyun

Keyword(s):

Dynamic Analysis ◽

Magnetic Circuit ◽

Dc Motor ◽

Radial Force ◽

Brushless Dc Motor ◽

Force Density ◽

Brushless Dc ◽

Network Method

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Design and Static Magnetic Analysis of Magnetostrictive (Tb0.3Dy0.7Fe1.95) Fuel Injector with Flexible Piston Hydraulic Displacement Amplification

Advanced Engineering Forum ◽

10.4028/www.scientific.net/aef.18.66 ◽

2016 ◽

Vol 18 ◽

pp. 66-74

Author(s):

Mukund A. Patil

Keyword(s):

Magnetic Field ◽

Fuel Injection ◽

Magnetic Circuit ◽

Combustion Engine ◽

Fuel Injector ◽

Giant Magnetostrictive Material ◽

Magnetic Analysis ◽

Working Principle ◽

Amplification Mechanism ◽

Injection Technology

This paper presents the conceptual design of fuel injector based on giant magnetostrictive material, with displacement amplification mechanism. The permissible emission level EURO norms become stricter in case of fuel injection technology of modern combustion engine. The magnetic circuit of the magnetostrictive fuel injector is analyzed using finite element method. Based on the structure and working principle of our magnetostrictive fuel injector (MFI), the properties of driving magnetic field are researched.

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