Frequency control technology for ultrasonic motor based on correlation phase extraction method
In order to solve the problems that the speed of ultrasonic motor is usually affected by the changes of temperature and load, and that due to installation volume and cost of the speed sensor, the closed-loop control based on speed feedback is often limited in some special applications, a frequency c...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | zho |
| Published: |
Hebei University of Science and Technology
2019-04-01
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| Series: | Journal of Hebei University of Science and Technology |
| Subjects: | |
| Online Access: | http://xuebao.hebust.edu.cn/hbkjdx/ch/reader/create_pdf.aspx?file_no=b201902010&flag=1&journal_ |