ملخص
Piezoelectric actuators are commonly used for nanopositioning due to their high resolution, low power consumption and wide operating frequency, but they suffer hysteresis, which affects linearity. In this paper, a novel digital charge amplifier is presented. Results show that hysteresis is reduced by 91% compared with a voltage amplifier, but over long operational periods the digital charge amplifier approach suffers displacement drift. A non-linear ARX model with long-term accuracy is used with a data fusion algorithm to remove the drift. Experimental results are presented.
اللغة الأصلية | English |
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رقم المقال | 075016 |
دورية | Smart Materials and Structures |
مستوى الصوت | 22 |
رقم الإصدار | 7 |
المعرِّفات الرقمية للأشياء | |
حالة النشر | Published - يوليو 2013 |
منشور خارجيًا | نعم |
ASJC Scopus subject areas
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- ???subjectarea.asjc.2200.2205???
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- ???subjectarea.asjc.3100.3104???
- ???subjectarea.asjc.2200.2211???
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