Abstract
A method to change frictional characteristics proposed based on ultrasonic micro driving technique. Exciting clockwise and anticlockwise microscopic elliptical motion of driving points on the ultrasonic transducer two longitudinal bolt-clamped vibrators will change the nature of friction and generate ultrasonic lubricant. Furthermore, the friction can be active controlled by adjusting the vibrator vibrating amplitude. An experimental installation for friction control is designed using aerostatic guide, force sensor and low speed motor. Fuzzy control theory is used in this system, the experimental results indicate the friction has been lessened largely, the friction coefficient reaches 0.0053 when the total mass of ultrasonic transducer and load is 3.8 kg and the motor driving speed is 0.5 mm/s.
| Original language | English |
|---|---|
| Pages (from-to) | 444-448 |
| Number of pages | 5 |
| Journal | Shengxue Xuebao/Acta Acustica |
| Volume | 31 |
| Issue number | 5 |
| State | Published - Sep 2006 |
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