| Zheng Zhaoying (郑兆瑛)* ** ***,Lu Qishuai* **,Zhang Sijiong* **.[J].高技术通讯(英文),2015,21(3):333~338 |
|
| Active disturbance rejection control for precise position tracking of piezoelectric actuators |
| |
| DOI：10.3772/j.issn.1006-6748.2015.03.014 |
| 中文关键词: |
| 英文关键词: active disturbance rejection control (ADRC), piezoelectric actuators, position tracking |
| 基金项目: |
| Author Name | Affiliation | | Zheng Zhaoying (郑兆瑛)* ** *** | | | Lu Qishuai* ** | | | Zhang Sijiong* ** | |
|
| Hits: 852 |
| Download times: 791 |
| 中文摘要: |
| |
| 英文摘要: |
| Positioning with high precision piezoelectric actuators is widely used. To overcome positioning inaccuracy caused by hysteresis and creep of actuators, a precise tracking method for piezoelectric actuators using active disturbance rejection control (ADRC) has been proposed in this paper. This method, in real-time, actively estimates and compensates parameter uncertainties, nonlinear factors such as hysteresis, and external disturbances in the tracking system. Precise tracking of the piezoelectric actuator can be achieved without any form of feedforward compensations. The experimental results demonstrate that the active disturbance rejection controller can reduce tracking errors by over 90% comparing with those using the PID controller. Those features of the proposed control method are very suitable for applications in adaptive optics. |
|
View Full Text
View/Add Comment Download reader |
| Close |
