AC Variable Speed Drive Based on a New Sliding-Mode Variable Structure Strategy
During design of AC drive system, simplified and/or reduced-order models of AC machines are usually used as design models, as the result, for control design based on classical linear controllers, the control performance, both in steady-state and transient-state, will be impacted by inevitable parame...
Saved in:
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | zho |
| Published: |
Editorial Office of Control and Information Technology
2012-01-01
|
| Series: | Kongzhi Yu Xinxi Jishu |
| Subjects: | |
| Online Access: | http://ctet.csrzic.com/thesisDetails#10.13889/j.issn.2095-3631.2012.01.009 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| Summary: | During design of AC drive system, simplified and/or reduced-order models of AC machines are usually used as design models, as the result, for control design based on classical linear controllers, the control performance, both in steady-state and transient-state, will be impacted by inevitable parameters uncertainties, un-modeled dynamic and external disturbance. Take advantages of sliding-mode control in dealing with uncertainties and perturbances, this paper proposes a control scheme of AC variable speed drive based on a new sliding-mode variable structure strategy, which combines sliding-mode variable structure control (SMVSC) with PI. SMVSC is dominant in transient to archive robustness, and PI control plays a leading role to suppress chattering during steady-state process. Simulation results indicate that the proposed strategies eliminate difficulty in chattering and equivalent control design of traditional SMVSC, perfect transient and steady-state characteristic are both achieved. |
|---|---|
| ISSN: | 2096-5427 |