Journal ArticleDOI
Adaptive Speed Control for Permanent-Magnet Synchronous Motor System With Variations of Load Inertia
Shihua Li,Zhigang Liu +1 more
TLDR
Simulation and experimental results show that the proposed adaptive control scheme for the permanent-magnet synchronous motor speed-regulation system achieves a better speed response in the presence of inertia variations.Abstract:
Considering the variations of inertia in real applications, an adaptive control scheme for the permanent-magnet synchronous motor speed-regulation system is proposed in this paper. First, a composite control method, i.e., the extended-state-observer (ESO)-based control method, is employed to ensure the performance of the closed-loop system. The ESO can estimate both the states and the disturbances simultaneously so that the composite speed controller can have a corresponding part to compensate for the disturbances. Then, considering the case of variations of load inertia, an adaptive control scheme is developed by analyzing the control performance relationship between the feedforward compensation gain and the system inertia. By using inertia identification techniques, a fuzzy-inferencer-based supervisor is designed to automatically tune the feedforward compensation gain according to the identified inertia. Simulation and experimental results both show that the proposed method achieves a better speed response in the presence of inertia variations.read more
Citations
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Journal ArticleDOI
Generalized Extended State Observer Based Control for Systems With Mismatched Uncertainties
TL;DR: By appropriately choosing a disturbance compensation gain, a generalized ESOBC (GESOBC) method is proposed for nonintegral-chain systems subject to mismatched uncertainties without any coordinate transformations, able to extend to multi-input-multi-output systems with almost no modification.
Journal ArticleDOI
Active disturbance rejection control: Methodology and theoretical analysis
Yi Huang,Wenchao Xue +1 more
TL;DR: Several breakthroughs for control of nonlinear uncertain systems, made possible by ADRC, are discussed and the latest results in theoretical analysis of the ADRC-based control systems are introduced.
Journal ArticleDOI
Speed Control for PMSM Servo System Using Predictive Functional Control and Extended State Observer
Huixian Liu,Shihua Li +1 more
TL;DR: The speed regulation problem for permanent magnet synchronous motor (PMSM) servo system is studied and an improved PFC method, called the PFC+ESO method, is developed, which introduces extended state observer (ESO) to estimate the lumped disturbances and adds a feedforward compensation item based on the estimated disturbances to the P FC speed controller.
Journal ArticleDOI
Nonlinear Speed Control for PMSM System Using Sliding-Mode Control and Disturbance Compensation Techniques
TL;DR: In this article, a sliding-mode control method based on one novel slidingmode reaching law (SMRL) is presented, which allows chattering reduction on control input while maintaining high tracking performance of the controller.
Journal ArticleDOI
Disturbance/Uncertainty Estimation and Attenuation Techniques in PMSM Drives—A Survey
TL;DR: When dealing with uncertainties, it is shown that DUEA has a different but complementary mechanism to widely used robust control and adaptive control and other promising methods such as internal model control and output regulation theory.
References
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Speed Control for PMSM Servo System Using Predictive Functional Control and Extended State Observer
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