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With advances in wireless communication and mobile positioning technologies, location-based mobile services have been gaining increasingly popularity in recent years. Privacy preservation, including location privacy and query privacy, has recently received considerable attention for location-based mobile services. A lot of location cloaking approaches have(More)
In this paper, a control system which is fed by indirect matrix converter (IMC) for Permanent Magnet Synchronous Motor (PMSM) based on fuzzy PI is proposed. Firstly, the configuration and working principles of indirect matrix converter is introduced. Secondly, PMSM close-loop control system based on fuzzy PI is designed. The fuzzy PI controller performs(More)
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