Field-oriented control boosts servomotor torque and delivers a flatter torque-speed curve. Accelus amplifiers provide up to ±18-A peak current for rapid motor acceleration and ±6-A continuous current. The amplifiers work with analog and digital commands from most system controllers including ±10-V PWM and can run in torque, position, or velocity modes. Copley's Motion Explorer CME2 software contains algorithms for autotuning the current loop and autophasing the motor. The autophase algorithm for brushless motors ensures correct connections and polarities for motor drive power, encoder signals, and Hall sensor data. The motor rotating magnetic field exerts maximum torque on the permanent magnet rotor when the rotor magnetic field and the stator rotating magnetic field are 90° apart. Field-oriented control maximizes motor torque by preserving this 90° displacement at all shaft speeds. The Accelus servoamp uses a dedicated current loop with the amplifier functioning as the current source for tight control of U, V, and W coil currents. There is a critical relationship in brushless
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Products & Services
AC Servomotors
AC servomotors are responsive, high-acceleration motors typically constructed as permanent magnet synchronous motors.
DC Motors
DC motors are most commonly used in variable speed and torque applications. They include brushless and gear motors, as well as servomotors.
Brushless Motors
Brushless motors are synchronous electric motors that have a magnetically (AC induction) or electronically (DC) controlled commutation system instead of a brush-based mechanical commutation system.
Electrical Winding Services
Companies that specialize in the fabrication of custom wound assemblies for a wide range of electrical applications and industries. Electrical winding services also includes the repair and refurbishing of individual wound components.

Product Announcements
Electrical Systems Integrator, L.L.C. - Brushless Motor - Technologies
We provide both brushless motor and motor control technologies that promote energy efficiency, enable more features, enhance performance and deliver more value to your product and customers... (read more)
PERFORMANCE CONTROLS, INC.® - Custom PWM Power Amplifiers
PERFORMANCE CONTROLS, INC. ® designs, manufactures, and services high bandwidth, low noise electronics for precision amplification and/or control of voltages and currents in medical, government and... (read more)

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