A standing wave type stepping ultrasonic motor and a control method thereof
A technology of ultrasonic motor and control method, applied in the direction of generator/motor, piezoelectric effect/electrostrictive or magnetostrictive motor, electrical components, etc., can solve problems such as complex motor control structure, and achieve simplified stepping motion Effect
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Problems solved by technology
 The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.
 Such as figure 1 and figure 2 As shown, the standing wave stepping ultrasonic motor of the present invention includes a stator, a rotor, a rotating shaft, a bearing, an end cover and a base.
 The stator structure is composed of a piezoelectric ceramic ring, a metal elastic ring and a number of elastic blades. The metal elastic ring and the piezoelectric ceramic ring are fixed by glue. The piezoelectric ceramic ring is inside the stator and occupies most of the volume of the stator, so the motor has relatively large energy. density. The elastic blade is fixed on the outside of the metal elastic ring by welding, and the angle between the normal line of the fixed point of the elastic blade and its angle is guaranteed to be between 25-35 degrees, and the elastic blade is evenly distributed on the outer ring of th...
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