One of the electromagnetic principles that governs the operation of an electric motor is Faraday’s law, which states that when the magnetic environment of a coil of wire is changed — whether by moving the magnet and coil relative to each other or by changing the magnetic field — a voltage, or electromotive force (EMF), will […]
Servo Motors
Robotic bartender powered by Arduino-compatible controller and BLDC servo motors
Teknic’s Robotic Bartender uses one of Teknic’s new ClearCore controllers (Arduino compatible) and six ClearPath integrated servo motors. A small team of engineers were challenged to demonstrate the flexibility and power of the new controller. They came up with a robotic bartender that lets you order one of 130,000 possible drink combinations for the perfect […]
Teknic’s Hudson industrial brushless servo motors now available online
Teknic’s Hudson industrial grade brushless servo motors have been used by high volume OEM companies for over a decade. These rugged, reliable motors have powered automated equipment in a variety of markets including medical, AOI, and CNC equipment, just to name a few. These field-hardened, OEM-grade motors are now available online in both fast-ship and […]
What is field weakening and how does it affect servo motor performance?
Although servo systems can very precisely control motor speed, position, and torque, in some applications, the motor may not be able to reach the commanded velocity due to limits in the available bus (supply) voltage from the drive. But advanced servo drives offer a technique referred to as field weakening, which alters the motor’s torque-speed […]
What is friction compensation in servo control?
Friction, which is the resistance to relative motion between two bodies, occurs in all sliding and rolling motions. In components that use lubrication to separate rolling or sliding surfaces — such as bearings and gears — there are typically two types of friction: static friction and dynamic friction. Static friction — also referred to as “stiction” […]
What is dual-loop control for servo systems and when is it used?
In servo-driven systems, feedback for position, velocity, and/or torque control is typically provided by a rotary encoder or resolver mounted to the motor. But mechanical components and connections in the drivetrain — such as gearboxes, ball screws, and couplings — are not perfectly rigid and introduce backlash, compliance, and windup into the system. This lack […]
New integrated servo motors from Maxon feature IP65 protection
Maxon’s new IDX compact integrated servo gearmotor + drive combines a powerful, brushless EC-i motor and an EPOS4 positioning controller, which can be complemented with a maxon planetary gearhead when required. This integrated motor features high torque density, high efficiency, maintenance-free components, and a high-quality industrial housing providing IP65 protection. The IDX also features configurable […]
Trio launches new plug-and-play servo motion package
Trio Motion Technology, a member of the Estun Group, has expanded its motion controller range with the launch of a servo drive and motor package. The new DX4 servo drive and MX servo motor series expands Trio’s machine solution and now makes it faster and easier for OEMs to use the high performance motion control […]
Compact 1500-watt integrated servo motor
JVL has developed a new and unique product in the field of integrated motor control. The MAC1500 motor sets completely new standards for the performance and size of servo controls. With a length of only 182 mm for a 1500 W motor with a torque of 4.78/14.3 Nm at 3000 rpm, this MAC motor matches the […]
Comparing three types of stepper and servomotor power supplies
In a recent online article, Teknic engineers have outlined how dc-powered motion-control applications differ from most other dc-powered designs … and how the motors in these applications need specialty power supplies. The article focuses on dc power supplies, which are the most common and suitable for fractional-horsepower motors. What makes dc motion-control applications unique are their […]
