Information about Motor Speed Controllers

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About Motor Speed Controllers

Motor speed controllers are electronic devices that control motor speed. They carry specifications for drive type, product classification, electrical ratings, and operating parameters. Drive type describes the category of motor or system that is driven or controlled. Choices for alternating current (AC) products include induction motors, synchronous motors, pole number control drives, sensor-less vector drives, vector or feedback drives, and servos or brushless motors. Choices for direct current (DC) motors include brushed motors, brushless motors, and servomotors. Drive-type categories for stepper motors include unipolar stepper, bipolar stepper, permanent magnet stepper, variable reluctance stepper, and hybrid stepper. Full-step, half-step, mini-step and micro-step products are also available. Suppliers of motor speed controllers may also offer products for linear, voice coil, pneumatic, and hydraulic motors.

Products & Services Related to Motor Speed Controllers

AC Motor Drives

AC motor drives interface controllers to AC motors. They match the control signals (voltage and power levels) as well as the signal type (analog or digital). They also provide power conversion, amplification, and the sequencing of waveform signals.

DC Motor Drives

DC motor drives act as the interface and power supply between a motion controller and a DC motor.

Motion Control Systems

Motion control systems contain matched components such as controllers, motor drives, motors, encoders, user interfaces and software. Components in these systems are optimally matched by the manufacturer.

Motion Controllers

Motion controllers range from simple linear controllers to complex, user-programmable modules that act as controllers within complex integrated multi-axis motion systems.

Motor Controllers

Motor controllers receive supply voltages and provide signals to motor drives that are interfaced to motors. They include a power supply, amplifier, user interface, and position control circuitry.

Servo Drives

Servo drives provide electrical drive outputs to servo motors in closed-loop motion control systems where position feedback and corrective signals optimize position and speed accuracy.

Stepper Motor Drives

Stepper motor drives power unipolar and bipolar stepper motors in full step, half step, and microstep motion control applications.

Engineering Web: Motor Speed Controllers - Machine Design

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Programmable Logic Controller (PLCS) - Servo Control -... reference information about programmable logic controllers ( PLCS), servo control units, motor controllers and many other types of controllers.
AC Controllers \| Machine Design More sophisticated controllers, sometimes called drives, regulate motor torque, speed, or horsepower in response to remote commands.
Correcting errors that never happen \| Machine Design Today's modern controllers have the processing power needed to map servo errors at the first (acceleration) and second (jerk) derivatives of speed.

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