This paper articulates the challenges in the thermal modelling of surface-mounted permanent magnet motors for automotive brake-by-wire systems, which operate by injecting high dc currents in two of the three phases for short time intervals. This unconventional operation requires dedicated thermal models for the prediction of uneven heat distributions inside the machine. This study extends a previous work conducted on slender-shaped motors to a disk-shaped machine where the edge effects could compromise the model accuracy. Additionally, here efforts have been made to minimize the number of experimental tests needed for the correct calibration of the proposed phase-split lumped-parameters thermal models.
Simplified Thermal Model of Disk-Shaped Automotive Smart Braking Actuators / Graffeo, Federica; Vaschetto, Silvio; Miotto, Alessio; Carbone, Fabio; Tenconi, Alberto; Agamloh, Emmanuel; Cavagnino, Andrea. - ELETTRONICO. - (2022), pp. 1-8. (Intervento presentato al convegno 2022 IEEE Energy Conversion Congress and Exposition (ECCE) tenutosi a Detroit, MI, USA nel 09-13 October 2022) [10.1109/ECCE50734.2022.9947428].
Simplified Thermal Model of Disk-Shaped Automotive Smart Braking Actuators
Graffeo, Federica;Vaschetto, Silvio;Miotto, Alessio;Carbone, Fabio;Tenconi, Alberto;Cavagnino, Andrea
2022
Abstract
This paper articulates the challenges in the thermal modelling of surface-mounted permanent magnet motors for automotive brake-by-wire systems, which operate by injecting high dc currents in two of the three phases for short time intervals. This unconventional operation requires dedicated thermal models for the prediction of uneven heat distributions inside the machine. This study extends a previous work conducted on slender-shaped motors to a disk-shaped machine where the edge effects could compromise the model accuracy. Additionally, here efforts have been made to minimize the number of experimental tests needed for the correct calibration of the proposed phase-split lumped-parameters thermal models.File | Dimensione | Formato | |
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https://hdl.handle.net/11583/2973922