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Motor controller | A Wisdom Archive on Motor controller | | Motor controller A selection of articles related to Motor controller | |
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| ARTICLES RELATED TO Motor controller | | | |  Motor controller: Encyclopedia II - Motor controller - Scope of motor controller applicationsThe scope of motor control technology must be very wide to accommodate the wide variety of motor applications.
Motor controller - Domestic applications.
Electric motors are used domestically in personal care products, small and large appliances, and residential heating and cooling equipment. In most domestic applications, the motor controller functions are built into the product. In some cases, such as bathroom ventilation fans, the motor is controlled by a switch on the wall. Some appliances have provisio ...
See also:Motor controller, Motor controller - Scope of motor controller applications, Motor controller - Domestic applications, Motor controller - Office equipment medical equipment etc., Motor controller - Commercial applications, Motor controller - Industrial applications, Motor controller - Vehicle applications, Motor controller - Power tools, Motor controller - Hobby equipment, Motor controller - Types of motor controllers, Motor controller - Specific motor controller descriptions, Motor controller - H-bridge, Motor controller - Servo controllers, Motor controller - Stepper motor controllers, Motor controller - References Read more here: » Motor controller: Encyclopedia II - Motor controller - Scope of motor controller applications |
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| | | | Motor controller: Encyclopedia II - Electric motor - AC motors A typical AC motor consists of two parts:
An outside stationary stator having coils supplied with AC current to produce a rotating magnetic field, and;
An inside rotor attached to the output shaft that is given a torque by the rotating field.
There are two fundamental types of AC motor depending on the type of rotor used:
The synchronous motor, which rotates exactly at the supply frequency or a submultiple of the supply frequency, and;
The induction motor, which turns slightly slower, and typically (though not necessarily always) takes ...
See also:Electric motor, Electric motor - Operation, Electric motor - DC motors, Electric motor - Wound field DC motor, Electric motor - Universal motors, Electric motor - AC motors, Electric motor - Three-phase AC induction motors, Electric motor - Three-phase AC synchronous motors, Electric motor - Single-phase AC induction motors, Electric motor - Single-phase AC synchronous motors, Electric motor - Stepper motors, Electric motor - Brushless DC motors, Electric motor - Coreless DC motors, Electric motor - Linear motors, Electric motor - Textbooks Read more here: » Electric motor: Encyclopedia II - Electric motor - AC motors |
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| | | | Motor controller: Encyclopedia II - Electric motor - Linear motors A linear motor is essentially an electric motor that has been "unrolled" so that instead of producing a torque (rotation), it produces a linear force along its length by setting up a traveling electromagnetic field.
Linear motors are most commonly induction motors or stepper motors. You can find a linear motor in a maglev (Transrapid) train, where the train "flies" over the ground.
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See also:Electric motor, Electric motor - Operation, Electric motor - DC motors, Electric motor - Wound field DC motor, Electric motor - Universal motors, Electric motor - AC motors, Electric motor - Three-phase AC induction motors, Electric motor - Three-phase AC synchronous motors, Electric motor - Single-phase AC induction motors, Electric motor - Single-phase AC synchronous motors, Electric motor - Stepper motors, Electric motor - Brushless DC motors, Electric motor - Coreless DC motors, Electric motor - Linear motors, Electric motor - Textbooks Read more here: » Electric motor: Encyclopedia II - Electric motor - Linear motors |
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| | | | Motor controller: Encyclopedia II - Electric motor - Coreless DC motors A coreless DC motor is a specialized form of a brush DC motor. Optimized for rapid acceleration, these motors have a rotor that is constructed without any iron core. The rotor can take the form of a winding-filled cylinder inside the stator magnets, a basket surrounding the stator magnets, or a flat pancake (possibly formed on a printed wiring board) running between upper and lower stator magnets. The windings are typical ...
See also:Electric motor, Electric motor - Operation, Electric motor - DC motors, Electric motor - Wound field DC motor, Electric motor - Universal motors, Electric motor - AC motors, Electric motor - Three-phase AC induction motors, Electric motor - Three-phase AC synchronous motors, Electric motor - Single-phase AC induction motors, Electric motor - Single-phase AC synchronous motors, Electric motor - Stepper motors, Electric motor - Brushless DC motors, Electric motor - Coreless DC motors, Electric motor - Linear motors, Electric motor - Textbooks Read more here: » Electric motor: Encyclopedia II - Electric motor - Coreless DC motors |
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| | | | Motor controller: Encyclopedia II - Electric motor - Brushless DC motors Midway between ordinary DC motors and stepper motors lies the realm of the brushless DC motor. Built in a fashion very similar to stepper motors, these often use a permanent magnet external rotor, three phases of driving coils, one or more Hall effect devices to sense the position of the rotor, and the associated drive electronics. The coils are activated, one phase after the other, by the drive electronics as cued by the signals from the Hall effect sensors. In effect, they act as three-phase synchronous motors cont ...
See also:Electric motor, Electric motor - Operation, Electric motor - DC motors, Electric motor - Wound field DC motor, Electric motor - Universal motors, Electric motor - AC motors, Electric motor - Three-phase AC induction motors, Electric motor - Three-phase AC synchronous motors, Electric motor - Single-phase AC induction motors, Electric motor - Single-phase AC synchronous motors, Electric motor - Stepper motors, Electric motor - Brushless DC motors, Electric motor - Coreless DC motors, Electric motor - Linear motors, Electric motor - Textbooks Read more here: » Electric motor: Encyclopedia II - Electric motor - Brushless DC motors |
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| | | | Motor controller: Encyclopedia II - Electric motor - DC motors One of the first electromagnetic rotary motors was invented by Michael Faraday in 1821 and consisted of a free-hanging wire dipping into a pool of mercury. A permanent magnet was placed in the middle of the pool. When a current was passed through the wire, the wire rotated around the magnet, showing that the current gave rise to a circular magnetic field around the wire. This motor is often demonstrated in school physics classes, but brine is sometimes used in place of the toxic mercury. This is the simplest form of a class ...
See also:Electric motor, Electric motor - Operation, Electric motor - DC motors, Electric motor - Wound field DC motor, Electric motor - Universal motors, Electric motor - AC motors, Electric motor - Three-phase AC induction motors, Electric motor - Three-phase AC synchronous motors, Electric motor - Single-phase AC induction motors, Electric motor - Single-phase AC synchronous motors, Electric motor - Stepper motors, Electric motor - Brushless DC motors, Electric motor - Coreless DC motors, Electric motor - Linear motors, Electric motor - Textbooks Read more here: » Electric motor: Encyclopedia II - Electric motor - DC motors |
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| | | | Motor controller: Encyclopedia II - Electric motor - Stepper motors Closely related in design to three-phase AC synchronous motors are stepper motors, where an internal rotor containing permanent magnets or a large iron core with salient poles is controlled by a set of external magnets that are switched electronically. A stepper motor may also be thought of as a cross between a DC electric motor and a solenoid. As each coil is energized in turn, the rotor aligns itself with the magnetic field produced by the energized field winding. Unlike a synchronous motor, in its application, the motor may not rotate con ...
See also:Electric motor, Electric motor - Operation, Electric motor - DC motors, Electric motor - Wound field DC motor, Electric motor - Universal motors, Electric motor - AC motors, Electric motor - Three-phase AC induction motors, Electric motor - Three-phase AC synchronous motors, Electric motor - Single-phase AC induction motors, Electric motor - Single-phase AC synchronous motors, Electric motor - Stepper motors, Electric motor - Brushless DC motors, Electric motor - Coreless DC motors, Electric motor - Linear motors, Electric motor - Textbooks Read more here: » Electric motor: Encyclopedia II - Electric motor - Stepper motors |
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| | | | Motor controller: Encyclopedia II - Electric motor - Operation Most electric motors work by electromagnetism, but motors based on other electromechanical phenomena, such as electrostatic forces and the piezoelectric effect, also exist. The fundamental principle upon which electromagnetic motors are based is that there is a mechanical force on any wire when it is conducting electricity while contained within a magnetic field. The force is described by the Lorentz force law and is perpendicular to both the wire and the magnetic field. In a rotary motor, there is a rotating element, the rotor. The rotor rotates because the wires and magnetic field are arranged so that a ...
See also:Electric motor, Electric motor - Operation, Electric motor - DC motors, Electric motor - Wound field DC motor, Electric motor - Universal motors, Electric motor - AC motors, Electric motor - Three-phase AC induction motors, Electric motor - Three-phase AC synchronous motors, Electric motor - Single-phase AC induction motors, Electric motor - Single-phase AC synchronous motors, Electric motor - Stepper motors, Electric motor - Brushless DC motors, Electric motor - Coreless DC motors, Electric motor - Linear motors, Electric motor - Textbooks Read more here: » Electric motor: Encyclopedia II - Electric motor - Operation |
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| | | | Motor controller: Encyclopedia II - Motor controller - Types of motor controllers An electric motor controller can be classified by the type of motor it is to drive such as permanent magnet, servo, series, separately excited, and alternating current.
A motor controller is connected to a power source such as a battery pack or power supply, and control circuitry in the form of analog or digital input signals.
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See also:Motor controller, Motor controller - Scope of motor controller applications, Motor controller - Domestic applications, Motor controller - Office equipment medical equipment etc., Motor controller - Commercial applications, Motor controller - Industrial applications, Motor controller - Vehicle applications, Motor controller - Power tools, Motor controller - Hobby equipment, Motor controller - Types of motor controllers, Motor controller - Specific motor controller descriptions, Motor controller - H-bridge, Motor controller - Servo controllers, Motor controller - Stepper motor controllers, Motor controller - References Read more here: » Motor controller: Encyclopedia II - Motor controller - Types of motor controllers |
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