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- 저자 : Czarkowski, Dariusz (검색결과 3 건)
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Transition Control of Standby and Operation Modes of Wireless Charging System for Inspection Robots
Liu, Han,Tan, Linlin,Huang, Xueliang,Czarkowski, Dariusz The Korean Institute of Power Electronics 2019 JOURNAL OF POWER ELECTRONICS Vol.19 No.3
To solve the problems in the contact charging of inspection robots, a wireless charging system for inspection robots and a control strategy are introduced in this paper. Circuit models of a wireless power system with a compound compensation circuit and a three-phase Class-D resonant inverter are set up based on circuit theory. An output voltage control method based on the equal spread regulation of the phase difference between adjacent phases and the parameter correction method in the primary compound compensation circuit are proposed. The dynamic characteristics of the key parameters varying with the secondary coil position are obtained to further investigate the adaptive location scheme during the access and exit processes of moving robots. Combining the output voltage control method and the adaptive location scheme, a transition control strategy for the standby and operation modes of the wireless charging systems for inspection robots is put forward to realize the system characteristics including the low standby power in the standby mode and the high receiving power in the operation mode. Finally, experiments are designed and conducted to verify the correctness of the theoretical research.
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Transition Control of Standby and Operation Modes of Wireless Charging System for Inspection Robots
Han Liu,Linlin Tan,Xueliang Huang,Dariusz Czarkowski 전력전자학회 2019 JOURNAL OF POWER ELECTRONICS Vol.19 No.3
To solve the problems in the contact charging of inspection robots, a wireless charging system for inspection robots and a control strategy are introduced in this paper. Circuit models of a wireless power system with a compound compensation circuit and a three-phase Class-D resonant inverter are set up based on circuit theory. An output voltage control method based on the equal spread regulation of the phase difference between adjacent phases and the parameter correction method in the primary compound compensation circuit are proposed. The dynamic characteristics of the key parameters varying with the secondary coil position are obtained to further investigate the adaptive location scheme during the access and exit processes of moving robots. Combining the output voltage control method and the adaptive location scheme, a transition control strategy for the standby and operation modes of the wireless charging systems for inspection robots is put forward to realize the system characteristics including the low standby power in the standby mode and the high receiving power in the operation mode. Finally, experiments are designed and conducted to verify the correctness of the theoretical research.
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Multi-channel inductive power transfer system based on ISOP topology
Qijun Deng,Lixian Wang,Peng Luo,Dariusz Czarkowski,Wenshan Hu 전력전자학회 2024 JOURNAL OF POWER ELECTRONICS Vol.24 No.3
With the expansion of mid-voltage DC distribution, inductive power transfer (IPT) systems supplied directly by DC distribution with a high input voltage become a possibility. A high input voltage leads to an enhanced power transfer level and low losses with the DC bus under a certain power transmission. However, the ultra-high input voltage of single-channel IPT is impossible because of the limits on the voltage/current ratings of converter components. Thus, a multi-channel IPT system based on an input-series output-parallel (ISOP) topology is proposed. Parameter differences among various channels result in an unbalanced input voltage for series inverters, which affects the system's operation stability and life. A leader–follower control strategy is proposed to implement input voltage sharing and output load voltage tracking for the proposed ISOP-based IPT system. One of the inverters serves as the lead control unit to keep the output voltage constant, while the remaining inverters function as followers that trace the input DC voltage of the main channel to implement voltage sharing among the inverters. A three-channel ISOP-based IPT prototype is constructed to verify the eff ectiveness of the control strategy. Experimental results show that the input voltage sharing and constant output voltage are both achieved under the designed controller.
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