Application Catalog

Sort condition
Newest first
Oldest first
Views
  1. 16 – Analysis of a Hybrid Stepper Motor

    OverviewHybrid stepper motors are used as actuators for equipment where position detection accuracy is required, such as the joints of robots or rotary tables for machine tools. The rotor has a construction that sandwiches a magnet that is magnetize…

    30 Oct 2006

  2. 11 – Pull-in/pull-out Analysis of a PM Stepper Motor Using a Control Simulator and the JMAG-RT

    OverviewStepper motors are commonly used for positioning in printers and digital cameras. With a PM stepper motor, there are excitation types such as one phase excitation, two phase excitation, and one-two phase excitation for the excitation system,…

    30 Oct 2006

  3. 8 – Analysis of an Axial Gap Motor

    OverviewUnlike typical cylindrical motors such as radial gap motors, axial gap motors have a structure in which the stator and the rotor, which is arranged on a disk, face each other and produce rotation. For that reason, because it is possible to a…

    30 Oct 2006

  4. 4 – Sound Pressure Analysis of a Reactor

    OverviewReactors are used in a variety of electric power systems. For instance, they fill the role of making the current pulsation between an inverter and a motor more smooth. On the other hand, the sound that originates from a resonance phenomenon …

    30 Oct 2006

  5. 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 their accurate positioning. As an issue for improving performance, people …

    30 Oct 2006

  6. 1 – Torque Characteristic Analysis of a Three Phase Induction Motor

    OverviewAn induction motor is a motor in which the rotating magnetic field of the stator coils causes induced current to flow in an auxiliary conductor, exerting force on the rotor in the rotational direction and causing it to spin. Induction motors…

    30 Oct 2006

  7. 9 – Sound Pressure Analysis of a Loudspeaker

    OverviewA loudspeaker produces sound when the voice coil makes the vibrator vibrate. The general requirement of the loudspeaker is to produce uniform sound over a wide range of the frequencies.Lorentz force is generated in the coil when the magnetic…

    30 Oct 2006

  8. 18 – Thermal Analysis of a Motor

    Exactly how to resolve the problem of rising temperatures is a critical issue when trying to achieve an improvement in a motor's efficiency and output. In order to solve this problem it is important to investigate a magnetic design that reduces the …

    30 Oct 2006

  9. 17 – Inductance Analysis of an IPM Motor

    OverviewAn IPM motor can use both magnet torque and reluctance torque, so by appropriately choosing the current phase it is possible to improve efficiency over a broad spectrum of drive range. It is a motor type that is often used in equipment with …

    30 Oct 2006

  10. 6 – Analysis of the SR Motor Torque Ripple

    OverviewWith the skyrocketing prices of rare earth magnets, expectations have been rising for SR (switched reluctance) motors because they have a motor format that does not use permanent magnets. SR motors have a simple structure that can achieve so…

    30 Oct 2006

  11. 14 – Inductance Analysis of a Bus Bar

    OverviewVoltage surges can damage the components in electrical equipment such as an inverter.Bus bar inductance can be a cause of surges. Therefore, it is important to reduce it to protect the electrical equipment.Using FEM allows for the calculatio…

    30 Oct 2006

  12. 21 – Iron Loss Analysis of an SPM Motor Including the Effect of Shrink Fitting

    OverviewA magnetic steel sheet is used for the iron core in a motor. A frame is shrunk into a stator core in order to sustain the laminated structure and to improve the strong joint between the frames. It is know that a compressive stress is generat…

    30 Oct 2006

  13. 3 – Analysis of a Permanent Magnet Brush Motor

    OverviewA brush motor generates torque through the electromagnetic attraction and repulsion between its rotor and stator. They do not have many parts and do not require drive circuits, so they are widely used as a power source for compact equipment.…

    30 Oct 2006

  14. 19 – Analysis of the Centrifugal Force in an IPM motor

    OverviewWhile motors have started being combined with motor drives and used in a wide range of velocities, further changes toward high output and high efficiency are being demanded of them. While higher speed revolution has been given as a means of …

    30 Oct 2006

  15. 10 – Thermal Analysis of a Radiant Heater

    OverviewQuartz heaters, which are used in semiconductor manufacturing, are a kind of heating device that uses heat radiation phenomena. Thermal radiation is a mechanism of heat transfer, which is defined as the transport of heat through the transmis…

    30 Oct 2006

  16. 7 – Analysis of a Spindle Motor

    OverviewSpindle motors are often used as drive motors where limited space is an issue, as is the case with storage media like hard disks. They employ an outer rotor structure in order to obtain a large torque, but to do so they have to use a great d…

    30 Oct 2006

Search Filter