Abstract
For permanent magnet synchronous linear motor (PMSLM), the traditional controller tuning method needs to identify the thrust coefficient and the mover mass separately. In order to simplify the parameter identification required for controller tuning of PMSLM, a strategy identifying the parameter named gain is proposed in this article. The gain is a parameter that combines the mover mass and thrust coefficient of PMSLM. The convergence time of the strategy is analyzed as well as the influence of the detent force on the identification error is investigated. After that, a controller tuning method based on the frequency domain is proposed and the geometric constraint relationship between the controller parameters is revealed. Eventually, combining the methods mentioned above, the experiment is carried out on a PMSLM prototype. The effectiveness of the proposed strategies is proved.
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