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Control of an inductive power transfer system using a double coil structure
Nataša Prosen, Mitja Truntič, Jure Domajnko, 2022, original scientific article

Abstract: This paper presents the design of the control of the system using a double DD coil structure. The double DD coil is a layered coil structure that consists of two single DD coils, rotated to each other by 90◦. A large-signal and small-signal model of the proposed IPT system are designed for control synthesis. The small-signal model is derived from the large-signal using harmonic approximation and the extended describing functions (EDF). For the small-signal model, voltage and current control schemes were proposed for the purpose of wireless battery charging. The robustness of the control is tested on a small-scale IPT system using double DD coils and resistive load. The results are evaluated at different reference voltages, currents, loads and coupling coefficients.
Keywords: wireless power transfer, double DD coil structure, voltage control, IPT with multiple coils
Published in DKUM: 28.03.2025; Views: 0; Downloads: 2
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Current control of battery pack modules in parallel connection according to SoC
Mario Vražić, Antonio Persic, Peter Virtič, Tomislav Ivanis, 2023, original scientific article

Abstract: Electric vehicles, especially cars, have been in the spotlight for some time now. In the focus of environmentalists, engineers, users, media, etc. With the growth and advancement of the market for such vehicles, other electric vehicles are also focussing on. One of such vehicles is boats, particularly smaller boats up to 8–10 meters in length. Of course, the biggest problem here is charging. The general idea is to use battery modules that can be easily carried and enable hot swapping. This paper investigates scenarios and simulations of the control system for hot swapping of the battery module. Simulations of connection of two and three battery modules to parallel operation and current control are presented in this paper, as well as applied control rules.
Keywords: battery pack, battery modules, parallel connection, Bidirectional multiple input single output synchronous DC/DC converter, BMISO DC/DC converter, Hotplugin, Smart SoC control, Advanced SoC control
Published in DKUM: 08.04.2024; Views: 370; Downloads: 20
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Electro hydraulic load-sensing with closed-loop controlled actuators - theoretical background
Darko Lovrec, Edvard Detiček, Friedrich Faber, 2009, original scientific article

Keywords: electro hydraulic loop, load sensing, close loop controlled actuator, modelling of system, multiple control, control system design
Published in DKUM: 31.05.2012; Views: 1903; Downloads: 38
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