Multimotor drives have become increasingly important in modern industrial applications due to their ability to provide superior performance, efficiency, and flexibility compared to single-motor systems. Hence, this article presents an overview of recent advancements in multimotor drives, focusing on three main areas: structural diversity, advanced control, and emerging challenges and solutions. First, the various structural configurations of multimotor drives are summarized, which include parallel, cascaded, and hybrid configurations. The features as well as component motors and converters of each configuration are discussed, along with the selection rules of a particular configuration for a given application. Second, from the perspective of different performance requirements, the advanced control technologies used for multimotor drives are discussed. Then, this article highlights the technical challenges associated with multimotor drives, including coordination control, mutual interference, communication, interdependent fault diagnosis, and power quality. Meanwhile, viable solutions to these challenges are summarized. Finally, a discussion of the future directions and opportunities for further research and development in the field of multimotor drives is presented. Through this article, scholars and engineers can gain a comprehensive understanding of current and future developments in multimotor drives, contributing to continued research in this field and facilitating successful integration into various applications.

中文翻译：

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多电机驱动器进步概述：结构多样性、先进控制、具体技术挑战和解决方案


与单电机系统相比，多电机驱动器能够提供卓越的性能、效率和灵活性，因此在现代工业应用中变得越来越重要。因此，本文概述了多电机驱动器的最新进展，重点关注三个主要领域：结构多样性、先进控制以及新出现的挑战和解决方案。首先，总结了多电机驱动器的各种结构配置，包括并联、级联和混合配置。讨论了每种配置的功能以及组件电机和转换器，以及给定应用的特定配置的选择规则。其次，从不同性能要求的角度，讨论了用于多电机驱动的先进控制技术。然后，本文重点介绍了与多电机驱动相关的技术挑战，包括协调控制、相互干扰、通信、相互依赖的故障诊断和电能质量。同时，总结了应对这些挑战的可行解决方案。最后，讨论了多电机驱动领域进一步研究和开发的未来方向和机会。通过本文，学者和工程师可以全面了解多电机驱动器当前和未来的发展，有助于该领域的持续研究并促进成功集成到各种应用中。