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Magnetostatic (2D/3D)

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  1. 236 – Magnetic Circuit Optimization for Plastic Magnets in an Axial Magnetic Field

    OverviewPlastic magnets are characterized by light weight with high strength and have a high degree of freedom in shaping, and very suitable for mass production.Anisotropic plastic magnets with good …

    24 Oct 2018

  2. 242 – Solenoid Valve Attractive Force Analysis Taking into Account Movable Part Motion

    OverviewSolenoid valves are used to adjust the inflow or outflow of liquids or gases by translational movement of the iron core. If an electric current is passed through the coil, an electromagnet is…

    15 Mar 2018

  3. 247 – Plastic Magnet Radial Anisotropic Magnetic Circuit Optimization

    OverviewPlastic magnets are characterized by small size, light weight, high strength, and a high degree of freedom in shape, and are superior for mass production.Molds are required to manufacture pla…

    14 Mar 2018

  4. 246 – Analysis of Electromagnetic Force Acting Between a Coil and a Magnet

    OverviewIn recent years, magnets and coils are being used for many parts in electrical equipment, but with the miniaturization of electrical equipment, even a slight interaction between them is cause…

  5. 222 – Irreversible Thermal Demagnetization Analysis of Incompletely Magnetized Magnets

    OverviewMagnets are used in motors and display large variation in their properties verse temperature. For rare earth magnets at temperatures in the hundreds of degrees demagnetization can occur. Sinc…

    13 Mar 2018

  6. 158 – Superimposed Direct Current Characteristic Analysis of a Reactor That Accounts for Minor Hysteresis Loops

    OverviewHigh-frequency reactors used in equipment like DC-DC converters have a high-frequency current accompanying the switching direct current. The reactor's performance requires a stable inductance…

    27 Dec 2010

  7. 129 – Analysis of a PM Stepper Motor Accounting for Magnetization

    OverviewStepper motors are commonly used for positioning in printers and digital cameras. In PM stepper motors, the motor's characteristics are determined through design of the magnetization state of…

    26 Nov 2009

  8. 126 – Magnetization Analysis Accounting for Eddy Currents

    OverviewA magnet's magnetizing state largely affects the characteristics of a device that uses permanent magnets. A magnetization device performs magnetization by applying an extremely strong magneti…

    27 Oct 2009

  9. 46 – Sensitivity Analysis of the Magnetization Pattern of an SMP Motor

    OverviewThe magnet in a surface permanent magnet (SPM) motor is arranged on the rotor's surface, facing the stator. The motor produces torque from the interaction between the magnetic field produced …

    10 Sep 2009

  10. 102 – Magnetic Field Analysis of a Magnetic Sensor

    OverviewWith recent improvements in the functionality of electric devices and home appliances, magnetic sensors are being used more for contactless sensing of whether device doors, etc. are open or c…

    14 Apr 2009

  11. 101 – AL-Value Current Characteristic Analysis of a Choke Coil

    OverviewA choke coil is an electric component that is intended to filter high-frequency current. The AL-value is a vital parameter in a choke coil design that determines the cutoff frequency of a hig…

    9 Mar 2009

  12. 143 – Inductance Analysis of an Air Core Coil

    OverviewElectric components such as choke coils and chip inductors are used for purposes such as reducing electromagnetic noise by taking advantage of their own inductance. Air core coils have smalle…

    29 Jan 2009

  13. 55 – Integrated Magnetization Analysis of an IPM Motor

    OverviewInterior permanent magnet (IPM) motors often use strong rare earth magnets. They have poor workability, however, because the magnets are inserted into the rotor's small gaps during the assemb…

    27 Nov 2008

  14. 79 – Analysis of an Effect of Magnetic Field Orientation on Magnetization

    OverviewA magnet's magnetizing state largely affects the characteristics of a device that uses permanent magnets. The manufacturing process of a magnet is divided into two parts: the orientation proc…

  15. 81 – AL-value Analysis of a Choke Coil

    OverviewA choke coil is an electric component that is intended to filter high-frequency current. The AL-value is a vital parameter in a choke coil design that determines the cutoff frequency of a hig…

  16. 72 – Analysis of Attractive Force between Steel Plates and a Magnet

    OverviewMany electronic products that have movers use the attractive force generated between magnets and magnetic materials. Even magnetic materials that are not magnetized themselves take on magneti…

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