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servomotor

FAQ: What are the different ways that industry classifies servo motors?

April 16, 2016 By Danielle Collins 1 Comment

motor terminology

A servo system is one in which the system’s error (in position, speed, or torque) is corrected through the use of a feedback device that compares the system’s actual performance with its commanded performance. What makes a motor a servo motor, then, has less to do with its construction and operation, and more to do […]

Filed Under: AC Motors, Brushless Motors, DC Motors, FAQs + basics, Motors, Servo Motors Tagged With: asynchronous motor, brushed motor, brushless motor, DC motor, servo motor, servomotor, synchronous motor

FAQ: How are the controls for servo motors tuned?

February 24, 2016 By Danielle Collins 2 Comments

Servo Tuning

Servo motors are used in closed loop systems and operate based on error feedback—the comparison of a target value to the value actually reached by the motor/load. Because mechanical systems have inertia and compliance, the target value is rarely achieved on the first position command—hence, the need for feedback and correction commands. Servo tuning is […]

Filed Under: Controls, Drives + Supplies, FAQs + basics, Motors, Servo Drives, Servo Motors Tagged With: PID, servo controller, servo drive, servo motor, servomotor, tuning

How are servo motors physically different from motors that run open loop?

February 5, 2016 By Danielle Collins Leave a Comment

servo motors

A servo motor is, by definition, one that runs closed-loop, with feedback to control the motor’s position, speed, or torque. Of motors that run open-loop, with no feedback device, stepper motors are the most common type. Despite their different control mechanisms, stepper and servo motors have a few characteristics in common. First, they both have […]

Filed Under: FAQs + basics, Motors, Servo Motors, Stepper Motors Tagged With: servo motor, servomotor, stepper motor

What are servomotors and integrated servomotors? Summary for design engineers

October 7, 2011 By Motion Control Tips Editor 1 Comment

Updated May 2018 by Lisa Eitel || Nailing down the features of a servomotor is a tricky exercise, but the hallmark of any servomotor is the presence of feedback and closed-loop control. Servomotors provide precise control of torque, speed or position using closed-loop feedback. They can also operate at zero speed while maintaining enough torque to maintain a […]

Filed Under: FAQs + basics, Motors, Servo Motors Tagged With: servomotor

What is a Servo Controller? Summary for Motion Engineers

October 7, 2011 By Motion Control Tips Editor Leave a Comment

More specific types of controllers, such as servo controllers, are used to control servomotors. When dealing with servo systems, it’s important to note that definitions for servomotor, servo system, and servo controllers can differ widely throughout industry. When selecting a servo system for an application, it’s best to ask suppliers what exactly their offerings entail. […]

Filed Under: Controls, FAQs + basics, Motors, Servo Motors Tagged With: servo controller, servomotor

Hiperface DSL encoder interface simplifies servomotor connection

April 7, 2011 By Motion Control Tips Editor Leave a Comment

Sick (www.sick.com), a German encoder manufacturer, has unveiled a new digital interface technology that simplifies servomotor connection — the Hiperface DSL (digital servo link) encoder interface. The new interface enables one cable to carry both encoder signal and power. Motors now require a single connector only, which significantly reduces costs and cabling time. For safe […]

Filed Under: Encoders, Motors, Servo Motors Tagged With: servomotor, sick

Siemens offers new high-inertia 1FK7-HI servo motors

July 8, 2010 By Motion Control Tips Editor Leave a Comment

Siemens Industry, Inc. (www.sea.siemens.com) has unveiled its expanded 1FK7 servomotor family that features a new high-inertia style. The design’s higher rotor inertia makes the control response of the latest 1FK7-HI servo motors highly robust and ideal for variable- and high-load inertia applications, such as auxiliary and feed axes on machine tools, as well as unwinders […]

Filed Under: Motors, Servo Motors Tagged With: servomotor, Siemens

FAULHABER Expands BX4 Series Motors

May 26, 2010 By Motion Control Tips Editor Leave a Comment

The BX4 Series from FAULHABER has been expanded by twelve new 32mm Brushless DC-Servomotors. The features of the BX4 line are long operational lifetime, a high cogging-free output torque and no adhesive bonded joints. This makes them ideal for many applications like robotics, automation, medical, machinery, aerospace and aviation. The new BX4 series brushless motors […]

Filed Under: Featured, Motors, Servo Motors Tagged With: Faulhaber, MICROMO of Faulhaber, servomotor

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