1 May 1996 Ultrasonic traveling wave linear motor with improved efficiency
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Based on previous investigations an ultrasonic traveling wave motor for a linear motion is developed. The stator consists of straight and curved beams. In order to match the impedance of the piezoceramic elements the straight beams are notched. The notches have to be designed carefully to get two orthogonal bending modes with equal eigenfrequencies. A prototype stator was manufactured. The experimental results are encouraging.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Wolfgang Seemann, "Ultrasonic traveling wave linear motor with improved efficiency", Proc. SPIE 2717, Smart Structures and Materials 1996: Smart Structures and Integrated Systems, (1 May 1996); doi: 10.1117/12.239058; https://doi.org/10.1117/12.239058

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