Cogging Analysis

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  1. 219 – Axial Gap Motor Cogging Torque Analysis

    In this example, presents a case study to obtain the cogging torque in an axial flux motor.

  2. 173 – Basic Characteristic Analysis of an IPM Motor

    This Application Note demonstrates an analysis in which an IPM motor's cogging torque, torque, magnetic flux density distribution, and iron loss in the stator core are obtained.

  3. 159 – Sensitivity Analysis of Dimensional Tolerance in an SPM Motor

    OverviewThe corners of magnets used in surface permanent magnet (SPM) motors can be filleted, chamfered, etc. However, it is difficult to maintain exactly the same production in t…

  4. 124 – Cogging Torque Analysis of an SPM Motor Accounting for Uneven Stator Diameter

    OverviewWhen a motor is assembled, the inner diameter of the stator can become uneven because of fabrication errors, shrink fitting, press fitting, etc. Cogging torque increases d…

  5. 80 – Cogging Torque Analysis of an SPM Motor with Skewed Magnetization

    OverviewReductions in vibration and noise are being sought after because they are a cause of torque variations in motors, and demands for reduction are particularly strong with mo…

  6. 54 – Analysis of the Cogging Force of a Moving Coil Linear Motor

    OverviewLinear motors have been widely used in carrier devices and the drive units of machine tools due to their capability for high acceleration and deceleration, as well as thei…

  7. 24 – Cogging Torque Analysis of an SPM Motor with a Skewed Stator

    OverviewReductions in vibration and noise are being sought after because they are a cause of torque variations in motors, and demands for reduction are particularly strong with mo…

  8. 15 – Cogging Torque Analysis of an SPM Motor with a Step Skewed Magnet

    OverviewReductions in vibration and noise are being sought after because they are a cause of torque variations in motors, and demands for reduction are particularly strong with mo…

  9. 40 – Cogging Torque Analysis of an SPM Motor

    OverviewThe rotor's rotation in a permanent magnet motor can generate positive and negative torque, even when there is no current flow. This torque is called "cogging torque." Whi…

  10. 2 – Cogging Analysis of a PM Linear Motor

    OverviewLinear motors have been widely used in carrier devices and the drive units of machine tools due to their capability for high acceleration and deceleration, as well as thei…

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