Servo Motors-AC Servo
Articles About Servo Motors-AC Servo
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Transverse magnetic flux motors -- also known as step motors -- become Hybrid Servos when you operate them closed loop. This is the same transformation that happens between running a 3-phase synchronous motor from line voltage as opposed to running it closed loop as a brushless servo. In the case of hybrid motors, there are many degrees of what is advertised as "closed loop," and thus significant differences in the performance improvements seen.
The transverse flux permanent magnet motor -- also known as a hybrid step motor or hybrid servo motor -- has a wide range of performances, depending upon how you drive these motors, and whether you operate them in open loop or one of the many variants of closed loop methods you use. In this third installment we will cover some of the many ways to drive these motors, as well as how these choices affect the performance of these motors.
This is the first of a series of articles on permanent magnet transverse magnetic flux motors - AKA step motors. These articles will be covering the development history and the various drive technologies used with these motors - both open and closed loop.
Welcome to the Age of Information, where flexible, intelligent drive systems separate the haves from the have nots
One of the fun parts of the motion industry is involvement in popular movies! Motor specifications can be a bit rough: "I need to spin a 120-pound actor (and chair) 180 degrees in one-half second. He will be sitting up-right."
Different motor types favor different application areas. No single style has advantages in all application spaces. Direct drive applications favor hybrid servos while high-speed, geared down applications tend to favor the conventional servo motors.
Over the many years, there have been many technical papers and articles about which motor is the best. The short and sweet answer is - let's talk about the application. More recently a number of papers and articles have appeared that compared each motor's advantages and disadvantages in generic or specific terms. Many times, the methods used to drive and control these motors are not completely described due to the many control schemes available for use. A few articles focus on just the open loop step motor and the closed loop servo motor advantages and disadvantages in a laundry list format. This article is attempting to "drill down" into the reasons why and to describe how it is done.
Approximately one quarter of all servo motors around the world require some type of gear reduction in their applications. From large satellite dishes to precision medical devices, gearboxes boost torque and reduce speed for servos in order for them to be sized more efficiently. While gearbox fundamentals haven't changed much over the past 20 years, their effectiveness has improved significantly, driven mostly by the need to accommodate advancements in servo technology.
JBT Corporation benefits from Kollmorgen Hygienic motor design in food and beverage application.
With advances in modern technology reducing demand for envelopes, manufacturers are finding it increasingly hard to justify investment.
Enhancing production with â” and for â” less is the standing order in todayâ™s manufacturing world. Speeding up production while at the same time looking for ways, to cut, for example, energy costs, is a tricky equation with no single answer; where and how management goes about achieving that can take several paths.
Which architecture type delivers the best technical and commercial advantages ?
The complete Industry News section from the October 2013 issue of Power Transmission Engineering.
Q&A: My company manufactures high-speed metal forming machines. We have one application on a feed axis where we are encountering problems with the coupling...
This special product news section takes a look at the latest in motion control products.
The complete product news section from the April 2010 issue of Power Transmission Engineering.
Servo system from Bosch-Rexroth helps create more efficient beverage palletizer.
Sunnen grows product portfolio with motion control solution from Siemens.
The complete Product News section from the October 2009 issue of Power Transmission Engineering.
KD-Rig Puts Accelerating Developments International in Limelight
Servo control system engineers typically work designing new systems or redesigning existing systems for conveyors, pick and place machines, gantries, machine tools or other equipment.
Todayâ™s newspaper advertisers demand vibrant, attractive color printing, and newspaper printers are constantly looking for methods to improve printing processes to meet these demands. When it comes to improving the printing process, the key component is to choose the right printing press.