Miniature Piezoelectric Motor-Trolley

摘要

In this paper, a miniature piezoelectric motor-trolley that could go freely on the track by applied voltage and driving frequency was described. The miniature piezoelectric motor-trolley was made up by piezoelectric motor, front wheel group, rear wheel group, fixing device, loading platform and circuit wires. Its dimensions and net weight was 100mm×35mm×17mm and 294mN. And the maximum travel speed was 261 mm/sec under 100V_(p-p) applied voltage, 51kHz driving frequency and net weight. In addition, under the condition of 100V_(p-p) applied voltage, 51kHz driving frequency and 1,432 mN loading, its maximum travel speed was 122 mm/s. The average travel speed of the rear wheel driving was higher than the front wheel driving by about 1.09 times.