A Passive-Constrained Observer and Controller Applied to an In-Wheel Synchronous Machine Implemented on a Fixed-Point DSP

Razvan Mocanu () and Alexandru Onea
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Razvan Mocanu: Department of Automatic Control and Applied Informatics, Faculty of Automatic Control and Computer Engineering, Gheorghe Asachi Technical University of Iasi, 700050 Iasi, Romania
Alexandru Onea: Department of Automatic Control and Applied Informatics, Faculty of Automatic Control and Computer Engineering, Gheorghe Asachi Technical University of Iasi, 700050 Iasi, Romania

Mathematics, 2023, vol. 11, issue 8, 1-21

Abstract: In this paper, we describe a passivity-based control (PBC) approach for in-wheel permanent magnet synchronous machines that expands on the conventional passivity-based controller. We derive the controller and observer parameter constraints in order to maintain the passivity of the interconnected system and thus improve the control system’s robustness to varying loads and plant parameters. The advantages of the proposed PBC technique are demonstrated in contrast with conventional PBC. The control technique is implemented on an electronic development board equipped with a fixed-point digital signal processor and coupled to a gallium nitride voltage source inverter and 350 W electric machine. Test bench results and numerical simulations in Matlab-Simulink demonstrate the control performance and behaviour under varying loads and parameters.

Keywords: passivity; power electronics; observer; DSP; fixed point (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
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