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EnglishThis paper describes a complete system for the wireless supply and control of linear motors for industrial automation. DC power is delivered to a set of five linear motors by means of an inductive resonant wireless power link at 6.78 MHz, exploiting a GaN-HEMT full-bridge inverter and PCB high-Q resonant coils. Additional AC/DC and DC/DC converters are used for the direct connection to the power grid and to regulate a 48-V DC-link for the supply of the motor drives. The WPT link feedback control is provided with a Bluetooth connection, which is also exploited for the wireless command of the motors. A dedicated embedded system with two microcontrollers controls the entire plant, regulating the supply WPT link and the motor functionalities. The system can deliver a maximum average transferred power of 150 W, when the free space between the coils is between 15 to 20 cm
| Titolo: | A 150-W IR WPT Embedded System at 6.78-MHz for the Supply and Control of Linear Motors | |
| Autore/i: | Florian, Corrado; Grossi, Marco; Veliu, Kreshnik; Paganelli, Rudi Paolo; Berra, Francesco; Masotti, Diego; Lanzoni, Massimo; Santarelli, Alberto; Ricco, Bruno; Gavesi, Marco; Costanzo, Alessandra | |
| Autore/i Unibo: | ||
| Anno: | 2018 | |
| Titolo del libro: | Proceedings of 2018 Wireless Power Transfer Conference (WPTC) | |
| Pagina iniziale: | 1 | |
| Pagina finale: | 4 | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1109/WPT.2018.8639088 | |
| Abstract: | This paper describes a complete system for the wireless supply and control of linear motors for industrial automation. DC power is delivered to a set of five linear motors by means of an inductive resonant wireless power link at 6.78 MHz, exploiting a GaN-HEMT full-bridge inverter and PCB high-Q resonant coils. Additional AC/DC and DC/DC converters are used for the direct connection to the power grid and to regulate a 48-V DC-link for the supply of the motor drives. The WPT link feedback control is provided with a Bluetooth connection, which is also exploited for the wireless command of the motors. A dedicated embedded system with two microcontrollers controls the entire plant, regulating the supply WPT link and the motor functionalities. The system can deliver a maximum average transferred power of 150 W, when the free space between the coils is between 15 to 20 cm | |
| Data stato definitivo: | 28-mar-2019 | |
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