Practical Applications of Intelligent Systems pp 141-146 | Cite as
An Auto-Tuning PI Controller for the Speed Control of a Permanent Magnet Synchronous Motor Drive
Abstract
Conventional PI controller is usually found to provide poor performances for nonlinear systems. In this paper, an auto-tuning PI scheme is presented for the speed control of a permanent magnet synchronous motor drive. The aim of this study is to obtain a controller that provides a fast and smooth dynamic response under both moment of inertia change and load disturbance. To improve the transient response, the proportional and integral gains of the proposed controller are continuously modified based on the current process trend. To illustrate the performance of the proposed controller, the simulation is presented separately for the auto-tuning PI controller (ATPIC) and classical PI controller. The results are compared with each other and discussed in detail.
Keywords
Permanent magnet synchronous motor PI controller Auto-tuning Load disturbancePreview
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