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An ultrasonic motor is a type of piezoelectric motor powered by the ultrasonic vibration of a component, the stator, placed against another component, the rotor or slider depending on the scheme of operation (rotation or linear translation).
Insides of a slip-stick piezoelectric motor. Two piezoelectric crystals are visible that provide the mechanical torque. [1]A piezoelectric motor or piezo motor is a type of electric motor based on the change in shape of a piezoelectric material when an electric field is applied, as a consequence of the converse piezoelectric effect.
An adjustable speed motor drive is a system that includes a motor that has multiple operating speeds. A variable speed motor drive is a system that includes a motor that is continuously variable in speed. If the motor is generating electrical energy rather than using it, the motor drive could be called a generator drive but is often still ...
Haynes Owner's Workshop Manuals (commonly known as Haynes Manuals) is a series of manuals from the British publisher Haynes Publishing Group.The series focuses primarily on the maintenance and repair of automotive vehicles and covers a range of makes and models, with manuals for over 600 car and 225 motorcycle models.
In vector control, an AC induction or synchronous motor is controlled under all operating conditions like a separately excited DC motor. [21] That is, the AC motor behaves like a DC motor in which the field flux linkage and armature flux linkage created by the respective field and armature (or torque component) currents are orthogonally aligned such that, when torque is controlled, the field ...
The rotating shaft of the motor was also the axle for the wheels. In the case of French TGV power cars, a motor mounted to the power car's frame drives each axle; a "tripod" drive allows a small amount of flexibility in the drive train allowing the trucks bogies to pivot. By mounting the relatively heavy traction motor directly to the power car ...
A policeman walks through the shuttered Christmas market the day after a car-ramming attack killed 5 and injured 200 in Magdeburg, Germany, Dec. 21, 2024.
Besides four-wheel drive units, NAPCO also provided winches, auxiliary transmissions, tandem drive axles, hydrovac systems, and dump truck bodies. In a partnership with Sherman Products Inc., NAPCO also produced a Front Wheel Drive ( FWD ) Assist kit for Ford 600 and 800 series tractors in the mid-1950s.