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

A 150-W IR WPT Embedded System at 6.78-MHz for the Supply and Control of Linear Motors

Florian, Corrado;Grossi, Marco;Veliu, Kreshnik;Paganelli, Rudi Paolo;Berra, Francesco;Masotti, Diego;Lanzoni, Massimo;Santarelli, Alberto;Ricco, Bruno;Costanzo, Alessandra
2018

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
Proceedings of 2018 Wireless Power Transfer Conference (WPTC)
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Florian, Corrado; Grossi, Marco; Veliu, Kreshnik; Paganelli, Rudi Paolo; Berra, Francesco; Masotti, Diego; Lanzoni, Massimo; Santarelli, Alberto; Ricco, Bruno; Gavesi, Marco; Costanzo, Alessandra
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11585/665897
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