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Investigates performance and efficiency of nine-motor setups, highlighting control strategy challenges.
Single-Inverter Multi-Motor architectures based on Permanent Magnet Synchronous Motors (PMSMs) offer promising opportunities for reducing the complexity, weight, and cost of electric drive systems. While recent works have investigated control and optimization methods for configurations involving three parallel motors, a gap remains regarding the scalability and efficiency of these approaches as the number of motors increases. This paper explores the performance and efficiency implications when extending Single-Inverter Multi-PMSM systems beyond three motors, with a specific focus on a nine-motor setup. Numerical investigations highlight key challenges and validate the effectiveness of advanced control strategies under high-motor-count scenarios.
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Spina et al. (2026) studied this question.
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